(Updated: September, 2019)
IoT Sensors + Software for Operations
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Fast-Paced Environment
Start-to-Finish Ownership
Customer Comes First
Open Communication
Wears Many Hats
Rapidly Growing Team
Promotes from Within
Work/Life Balance
B2B
Technical Founder(s)
Tech Stack
We use Golang for our backend, Typescript and React for our web client, GraphQL to fetch data from our backend, and React Native for our mobile app. Direct experience with these technologies is not required.
Modern platform to transact insurance
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Cross-Department Collaboration
Start-to-Finish Ownership
EQ > IQ
Product-Driven
Customer Comes First
Data-Driven
Continuous Feedback
Safe Environment to Fail
B2B
Technical Founder(s)
Tech Stack
Backend: Node + Express, Typescript, Go Microservices. Frontend: Next.js, React + Hooks, Storybook. Infrastructure: Heroku + AWS, CircleCI, DataDog.
Transforming education to solve 21st century problems
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
Wears Many Hats
Work/Life Balance
Flexible Work Arrangements
Start-to-Finish Ownership
Product-Driven
Committed to Personal Growth
Fosters Psychological Safety
B2B
B2C
Remote-OK
Tech Stack
Our core application tech is built in Python/Django/DRF, Backbone.js/Marionette, React/Redux, Node.js/ShareDB, WebRTC and websockets. We deploy to AWS with EKS, Docker, Terraform, and Chef.
The Internet's best printing company
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.High Employee Retention
Team is Diverse
Work/Life Balance
Flexible Work Arrangements
Cross-Department Collaboration
Good for Junior Devs
Promotes from Within
B2B
B2C
Self-Funded
Remote-OK
Tech Stack
Backend: NodeJS, Go, Ruby on Rails. DB: Postgres, MySQL, Redis. Frontend: React, Redux, Webpack. APIS: GraphQL, GCloud PubSub. Google Cloud Platform. Docker, Kubernetes.
Social learning platform for education
Senior Full-stack JavaScript Engineer (React / Node.js)
Remote w/in GMT +/- 6 hours
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Actively Practices Inclusion
Continuous Feedback
High Employee Retention
Ideal for Parents
Fosters Psychological Safety
Flexible Work Arrangements
Product-Driven
Bonded by Love for Product
B2B
Technical Founder(s)
Remote-OK
Tech Stack
We use React and React Native for our frontends and Node.js for our backend, which is built around the microservices paradigm. Some services have been migrated to serverless logic, in order to have more concurrent users on Aula simultaneously.
In order to support this architecture, we use Docker and everything is deployed and managed on our AWS infrastructure which is defined by Terraform code. More details here!
Helping people buy homes by providing time, flexibility, and certainty
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Start-to-Finish Ownership
Heavily Team Oriented
Actively Practices Inclusion
Customer Comes First
Rapidly Growing Team
Impressive Team Members
Committed to Personal Growth
Cross-Department Collaboration
B2C
Technical Founder(s)
Tech Stack
Web stack: Django, GraphQL, React, Postgres. Data pipeline: Spark, Kafka, Elastic Search, Scala. Infra: AWS.
Book personalized video shoutouts from your favorite people
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Open Communication
Rapidly Growing Team
Committed to Personal Growth
Product-Driven
Start-to-Finish Ownership
Bonded by Love for Product
Eats Lunch Together
Fast-Paced Environment
B2C
Technical Founder(s)
Remote-OK
Tech Stack
React, React Native, Node.js, Elasticsearch, Redis, Heroku, AWS
Unique venues for meetings, events, photo and film shoots
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Start-to-Finish Ownership
Fast-Paced Environment
Safe Environment to Fail
Promotes from Within
High Employee Retention
Ideal for Parents
Work/Life Balance
Flexible Work Arrangements
B2C
Remote-OK
Tech Stack
GCP, K8s, Docker, Clojure, Elastic Search, SQL, Node, Swift, React Native, React, Redux
Distributed tracing and observability for your complex environment
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.EQ > IQ
Work/Life Balance
Internal Mobility
High Quality Code Base
Team is Diverse
Heavily Team Oriented
Open Source Contributor
B2B
Technical Founder(s)
Remote-OK
Tech Stack
d3.js/React/Redux single page webapp, Go backend, multi-language support for client libraries
Affordable clean energy for the planet’s poorest billion
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Heavily Team Oriented
EQ > IQ
Open Communication
Committed to Personal Growth
Team is Diverse
Impressive Team Members
Work/Life Balance
High Quality Code Base
B2B
Technical Founder(s)
Tech Stack
React/Redux, Android (native, Kotlin), Python (using Flask / SQLAlchemy), Postgresql, AWS
Find awesome products designed by independent artists
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Committed to Personal Growth
High Quality Code Base
Continuous Delivery
Team is Diverse
Open Communication
Pair Programs
Heavily Team Oriented
Work/Life Balance
B2C
Tech Stack
Back End: Ruby on Rails, NodeJS, Elixir, Golang, Scala. Front End: ReactJS, GraphQL. DevOps: Kubernetes. Cloud: AWS, GCP. Mobile: Swift, Android.
A mobile creative channel for creators
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Customer Comes First
Cutting-Edge Technologies
High Quality Code Base
Open Communication
Product-Driven
Safe Environment to Fail
Team is Diverse
Work/Life Balance
B2C
Tech Stack
React, MySQL, Java, MongoDB, Redis, Amazon S3, Go, Amazon RDS, Swift, Objective-C, Kafka, Scala, Cassandra, Amazon DynamoDB, Kotlin, Apache Spark, Amazon Redshift, gRPC, Amazon Redshift Spectrum, Elasticsearch, Mixpanel, TensorFlow, GitHub, Jenkins, Webpack, Kubernetes, Datadog, Terraform, Chef, Crashlytics, Bazel, Envoy
Career network for college students and recent grads
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
EQ > IQ
Actively Practices Inclusion
Fast-Paced Environment
Committed to Personal Growth
Safe Environment to Fail
Start-to-Finish Ownership
Customer Comes First
B2B
B2C
Technical Founder(s)
Remote-OK
Tech Stack
Backend: Ruby on Rails, Postgres, Elasticsearch, Google Cloud Platform, Kubernetes
Frontend: Typescript, React, Redux
Data: BigQuery, BigTable, DataFlow, DataProc
Security management for small companies
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Impressive Team Members
Bonded by Love for Product
Start-to-Finish Ownership
Fosters Psychological Safety
Open Communication
Continuous Feedback
Flexible Work Arrangements
Ideal for Parents
B2B
Technical Founder(s)
Remote-OK
Tech Stack
For Comply: JS, React, Ruby, Flow, Postgres. For Deploy: Cloud IaaS (AWS), Docker, PostgreSQL, Redis, sqlite.
Creating cloud-managed IT that simply works
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Start-to-Finish Ownership
Wears Many Hats
Safe Environment to Fail
Creative + Innovative
Open Communication
Continuous Delivery
Engages with Community
Work/Life Balance
B2B
Technical Founder(s)
Tech Stack
Javascript (React/Redux), Ruby on Rails, Scala, Postgres, LittleTable
Helping companies launch successful card programs quickly and confidently
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Customer Comes First
Flexible Work Arrangements
Start-to-Finish Ownership
Flat Organization
Committed to Personal Growth
Wears Many Hats
EQ > IQ
Fast-Paced Environment
B2B
Tech Stack
AWS (ECS, ECR, EC2, S3, Cloudwatch…), Docker, Ruby (Sinatra), Python, Postgresql, Mysql, Swift, Kotlin, Sentry, Jenkins, React.js
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Wears Many Hats
Customer Comes First
Creative + Innovative
Continuous Delivery
Actively Practices Inclusion
Promotes from Within
Fast-Paced Environment
Continuous Feedback
B2C
Technical Founder(s)
Tech Stack
Frontend is React Native for mobile, and we’re experimenting with React Native Web on the web side.
Backend is currently Java deployed using kubernetes, but we have a polyglot approach to problem solving, and we will likely end up with a backend that reflects that.
The world’s platform for change
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Work/Life Balance
Committed to Personal Growth
Actively Practices Inclusion
Engages with Community
Team is Diverse
Data-Driven
Start-to-Finish Ownership
B2C
PBC / B-Corp
Tech Stack
Ruby on Rails, Elixir, React.js, GraphQL, Node.js, AWS, Redis, Spark & Scala (Data team)
The unified frontend for cryptocurrency
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Product-Driven
Customer Comes First
Fast-Paced Environment
Creative + Innovative
Engineering-Driven
Open Communication
Start-to-Finish Ownership
Work/Life Balance
B2C
Technical Founder(s)
Tech Stack
Python, Flask, PostgreSQL, Redis, Heroku, AWS, GraphQL, React Native
Premium cannabis vaporizers
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Customer Comes First
Data-Driven
Cross-Department Collaboration
Creative + Innovative
Actively Practices Inclusion
EQ > IQ
Continuous Delivery
Work/Life Balance
B2B
B2C
Tech Stack
Cloud Foundry on AWS for hosting all servers, Akamai CDN, Java 8/Kotlin used on all backend services and APIs, RDS (AWS MySQL) used for account data storage, AWS S3 used for raw storage, RedShift used for analytics, React.js used for web based front end clients (including dashboards), Swift for iOS, Kotlin for Android, Python for Data Science
A collaborative toolkit enabling anyone to create software
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
High Quality Code Base
Start-to-Finish Ownership
Actively Practices Inclusion
Open Communication
Eats Lunch Together
Flexible Work Arrangements
B2B
B2C
Technical Founder(s)
Tech Stack
Airtable’s core stack is written using JavaScript, augmented with static type checking and other tools. We use Node.js on the backend, and mostly-React on the frontend, but our application requirements drive a substantial amount of custom software architecture; that is, Airtable is pretty far from a boilerplate “React + Express” application. We also periodically evaluate adding other languages into our codebase for ecosystem or performance reasons. Mobile apps are currently written in the standard platform language, mixed with JavaScript in webviews where appropriate. Our production infrastructure runs on a variety of AWS services, principally using Terraform for deployment; for data collection, aggregation, monitoring, and alerting, we use a mixture of ELK and some carefully selected third-party services.
Team messaging app for small and medium sized businesses
Software Engineer (React, TypeScript, GraphQL, and Node.js)
San Francisco, CA or Remote
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Customer Comes First
Continuous Feedback
Open Communication
Light Meetings
EQ > IQ
Creative + Innovative
Impressive Team Members
Work/Life Balance
B2B
Technical Founder(s)
Remote-OK
Tech Stack
Our clients (Android, iOS, and web) and backend are all built in JavaScript using technologies like React, React Native, Nodejs, and GraphQL.
Native marketing solution for chat
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Customer Comes First
Creative + Innovative
Work/Life Balance
Heavily Team Oriented
Start-to-Finish Ownership
Bonded by Love for Product
Promotes from Within
Cutting-Edge Technologies
B2B
Technical Founder(s)
Tech Stack
Frontend: express, react, redux, bootstrap
Middleware: express
Backend: everything but dominantly GoLang running on AWS
Beautiful, personalized, interactive docs
Product-focused Node/React Developer
San Francisco, CA
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
Creative + Innovative
Flexible Work Arrangements
Wears Many Hats
Start-to-Finish Ownership
Work/Life Balance
High Quality Code Base
Light Meetings
B2B
Technical Founder(s)
Tech Stack
Backend: Node.js, Express, MongoDB/Mongoose, Testing (Mocha, Jest, Supertest, Nock), and Nginx (Caching server, SSL certificate generation service)
Frontend: Angular 1, React
Hosting/Infrastructure: Heroku, AWS, MongoDB Atlas, GitHub, Codeclimate, CircleCI
Enable immigrants to use their data to land on their feet
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Continuous Feedback
Impressive Team Members
Start-to-Finish Ownership
Creative + Innovative
Open Communication
Work/Life Balance
Actively Practices Inclusion
Wears Many Hats
B2B
B2C
Technical Founder(s)
Remote-OK
Tech Stack
Node.js, Postgres, AWS, Terraform, Ansible, React
CRM for recruiting
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Open Communication
Fast-Paced Environment
Customer Comes First
Wears Many Hats
Team is Diverse
Work/Life Balance
Eats Lunch Together
B2B
Technical Founder(s)
Tech Stack
Python, Javascript, React, GraphQL, PostgreSQL, Chrome extensions
Decentralized internet and developer platform
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Start-to-Finish Ownership
Customer Comes First
Engages with Community
Flexible Work Arrangements
Rapidly Growing Team
Committed to Personal Growth
Open Source Contributor
Impressive Team Members
B2B
B2C
Technical Founder(s)
PBC / B-Corp
Remote-OK
Tech Stack
Our engineering team builds software using JavaScript/ES6, React, Redux, Swift, and Objective-C on the frontend and Python, bash, and Bitcoin Core on the backend.
Machine learning applied to retail
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Safe Environment to Fail
EQ > IQ
Flat Organization
Open Communication
Actively Practices Inclusion
Flexible Work Arrangements
Committed to Personal Growth
Engineering-Driven
B2B
Technical Founder(s)
Tech Stack
The bulk of our infrastructure is dedicated to distributed processing for machine learning, powered by Apache Hadoop: Hive, Presto, and Spark. Our web app uses React on the frontend and Ruby on Rails on the backend. We’re hosted on AWS.
Leading Software-Powered Freight Forwarder
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Fast-Paced Environment
Product-Driven
Work/Life Balance
Open Communication
Wears Many Hats
Promotes from Within
Light Meetings
Impressive Team Members
B2B
Tech Stack
Frontend: React, Relay, Flow, Jest, Enzyme
Mobile: React Native, Apollo
Backend: Ruby on Rails, Postgres, GraphQL, Python, RSpec
CI: GitHub, Buildkite
Infrastructure: AWS, Python
Build an awesome website from your iPhone
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
Committed to Personal Growth
Flexible Work Arrangements
Open Communication
Design-Driven
Engages with Community
Fast-Paced Environment
Impressive Team Members
B2C
Remote-OK
Tech Stack
Swift, Node.js, React, Vapor, Heroku, Cloudkit, Postgres
Real-Time Cannabis Marketplace
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
Creative + Innovative
Open Communication
Continuous Feedback
Promotes from Within
Committed to Personal Growth
Continuous Delivery
EQ > IQ
B2B
B2C
Technical Founder(s)
Remote-OK
Tech Stack
Backend: Ruby on Rails, Frontend: ReactJS
Urban Air Mobility for the World’s Cities
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Pair Programs
EQ > IQ
Continuous Delivery
Product-Driven
Start-to-Finish Ownership
Work/Life Balance
Committed to Personal Growth
B2B
B2C
Technical Founder(s)
Tech Stack
Ruby on Rails, React, React Native (iOS & Android), Postgres, Sidekiq … and lots of testing and CI tools!
Premium air travel concierge
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Work/Life Balance
Flat Organization
Continuous Delivery
High Quality Code Base
Bonded by Love for Product
Cross-Department Collaboration
Open Communication
Fast-Paced Environment
B2C
Tech Stack
Web: Typescript, React Native Web
Backend: Typescript, Express, TypeORM, PostgreSQL hosted on Heroku
Agent: Typescript, React, Material UI
Personalized Finance
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Customer Comes First
Work/Life Balance
Impressive Team Members
Product-Driven
Start-to-Finish Ownership
Has Internship Program
Wears Many Hats
EQ > IQ
B2C
Remote-OK
Tech Stack
Web - Node, React, Python, PostgreSQL
Mobile - React Native, Swift (iOS) / Java (Android)
Feature flagging and toggle management for continuous delivery
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Cross-Department Collaboration
High Employee Retention
Team is Diverse
Work/Life Balance
Committed to Personal Growth
Bonded by Love for Product
Engages with Community
Engineering-Driven
B2B
Technical Founder(s)
Tech Stack
Golang, React, Redux, MongoDB, ElasticSearch, Redis, HAProxy, NATS, Kafka, Redis, and Cassandra
Modern REST API for email, contacts, and calendar
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Engineering-Driven
Team is Diverse
Actively Practices Inclusion
Committed to Personal Growth
Heavily Team Oriented
Work/Life Balance
Open Communication
Start-to-Finish Ownership
B2B
Technical Founder(s)
Tech Stack
Python, MySQL, Redis, Kinesis, HAProxy, Linux, Javascript, React, Redux, Flux, Flow, Elasticsearch, AWS, Jenkins, MyPy, nginx
Automated security and compliance for internet businesses
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Customer Comes First
Start-to-Finish Ownership
Product-Driven
Internal Mobility
Team is Diverse
Wears Many Hats
Light Meetings
Risk-Taking > Stability
B2B
Technical Founder(s)
Tech Stack
Node.js, TypeScript, React, GraphQL, Docker, Terraform, Go, AWS
Team-Coordination Software for High-Performance Cultures
Software Engineer
San Francisco or Remote
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Fosters Psychological Safety
Committed to Personal Growth
Open Communication
Product-Driven
Start-to-Finish Ownership
Work/Life Balance
Fast-Paced Environment
Continuous Delivery
B2B
Technical Founder(s)
Remote-OK
Tech Stack
We have a service oriented stack deployed on AWS using containers. Most of our backend services are written in Go, with the exception of an NLP/ML service written in Python. Services talk to each other using gRPC.
Our web application is served statically from Cloudfront/S3 and is written using React. Is is a Progressive Web App, with a service worker to speed up delivery.
We integrate with third party software such as Google Drive, Calendar, Jira, GitHub, Asana, Slack. These areas are some of the most complex parts of our systems. They’re also some of the most important: integrations enable the “magic” of a user coming to Range in the morning and seeing all of their work from the previous day already gathered in one place.
Infrastructure to build the future of financial services
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.High Quality Code Base
Open Communication
Flexible Work Arrangements
Committed to Personal Growth
Fosters Psychological Safety
Engages with Community
Start-to-Finish Ownership
Product-Driven
B2B
Technical Founder(s)
Tech Stack
Back: Node, Golang
SRE: Terraform, Kubernetes, Rancher, AWS, MongoDB, Postgres, RabbitMq, ElasticSearch, Docker
Front: React-like frameworks, Webpack, Javascript, AngularJS (only until we kill the old product)
Responsive web design tool, CMS, and hosting platform
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
Creative + Innovative
Flat Organization
Work/Life Balance
Ideal for Parents
Start-to-Finish Ownership
High Employee Retention
Product-Driven
Technical Founder(s)
Remote-OK
Tech Stack
Node.js, React.js, Redis / Mongo, AWS, Kubernetes / Terraform / Docker
Payroll, Benefits, and HR for Modern Companies
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Start-to-Finish Ownership
Customer Comes First
Open Communication
Pair Programs
Actively Practices Inclusion
Committed to Personal Growth
Rapidly Growing Team
Work/Life Balance
B2B
Technical Founder(s)
Remote-OK
Tech Stack
Ruby, Rails, Javascript, React, MySQL, Kubernetes
Free, Online Personal Styling Service for Men
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Committed to Personal Growth
Continuous Feedback
Cross-Department Collaboration
Impressive Team Members
Open Communication
Fast-Paced Environment
High Quality Code Base
Eats Lunch Together
B2C
Technical Founder(s)
Tech Stack
Some of the technologies we use to build Thread include: Python, Django, ReactJS, PostgreSQL, Redis, Debian, Docker, Memcache, nginx, Ansible, Jenkins, Gunicorn, Luigi, Pandas, scikit-learn, git.
Software Product Development Firm
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Start-to-Finish Ownership
Cutting-Edge Technologies
Uses Agile Methodologies
Pair Programs
Impressive Team Members
Cross-Department Collaboration
Work/Life Balance
Creative + Innovative
B2B
Self-Funded
Technical Founder(s)
Tech Stack
Some popular languages and frameworks we use are: (Web) JavaScript, Python, Go, Java, PHP, Ruby | Node.js, Express, Spring, ReactJS, Redux, Typescript, Rails. (Android) Kotlin, Java | RxJava, React Native. (iOS) Swift, Objective-C | RxSwift, React Native
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
EQ > IQ
High Quality Code Base
Open Communication
Work/Life Balance
Start-to-Finish Ownership
High Employee Retention
Thoughtful Office Layout
B2C
Technical Founder(s)
Tech Stack
Ruby on Rails, React, Redux, React Native, Backbone, Apollo, GraphQL, Redis, ElasticSearch, Postgres, Heroku, Airflow, Python 3
Translating the World’s Videos
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Cutting-Edge Technologies
Fast-Paced Environment
Product-Driven
Light Meetings
Committed to Personal Growth
Good for Junior Devs
Rapidly Growing Team
B2B
Technical Founder(s)
Tech Stack
Right now (from front to back): VueJS (ReactJS), Flask, AWS Simple Queue Service, Docker/Kubernetes, Tensorflow/PyTorch
Marketplace for Local Care Services
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Data-Driven
Committed to Personal Growth
Continuous Feedback
Safe Environment to Fail
Promotes from Within
Cross-Department Collaboration
Flexible Work Arrangements
Start-to-Finish Ownership
B2C
Technical Founder(s)
Tech Stack
Ruby 2.3, Rails 4.2+, Rspec React, Jest ES6+, Babel NodeJS 8.1 GraphQL PostgreSQL, MySQL Redis AWS Periscope
Seed Funding for Startups
First Product Designer
San Francisco, CA
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Start-to-Finish Ownership
Customer Comes First
Ideal for Parents
Flat Organization
Creative + Innovative
Impressive Team Members
Cross-Department Collaboration
B2B
Technical Founder(s)
Tech Stack
The YC internal software is mostly written in Ruby on Rails and React. We’re hosted on AWS and PostgreSQL. Some experience developing web apps would be helpful, but we don't care if you've used Rails before.
Note: Hacker News is written in Lisp, but Hacker News is run by a separate team. While we don't use Lisp anymore in our internal software, we retain the original motivation for it, and welcome Lisp hackers to join us.
Data Sharing Partnerships for Marketers
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Start-to-Finish Ownership
Customer Comes First
Wears Many Hats
Impressive Team Members
High Quality Code Base
Open Communication
Promotes from Within
High Employee Retention
B2B
Technical Founder(s)
Tech Stack
React
Ruby on Rails
Java
AWS
Peer Feedback for Teachers and Students
Full-Stack Developer
Copenhagen, Denmark or Remote
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
Start-to-Finish Ownership
Friends Outside of Work
Continuous Feedback
Impressive Team Members
Committed to Personal Growth
Fast-Paced Environment
Eats Lunch Together
B2B
B2C
Technical Founder(s)
Remote-OK
Tech Stack
Python (Flask)
ReactJS / Redux
MongoDB
API for Background Checks
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Engages with Community
Cross-Department Collaboration
Continuous Delivery
Fast-Paced Environment
Safe Environment to Fail
Rapidly Growing Team
Eats Lunch Together
Team is Diverse
B2B
Technical Founder(s)
Tech Stack
Ruby / Javascript / Python / Golang
Sinatra / Rails / React
MySQL / Mongo
Presto for data warehouse
Docker / Kubernetes for deployment
REST / JSON / gRPC for service communication
AI-Powered Communications Assistant
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Creative + Innovative
Cutting-Edge Technologies
Impressive Team Members
High Employee Retention
Cross-Department Collaboration
Fosters Psychological Safety
Eats Lunch Together
B2C
Tech Stack
Frontend: Javascript, React, Typescript, Flow, Mobx, Stylus, Redux, Reactive JS, Styled Components, Focal (our own in-house, open-sourced state management framework)
Mobile (iOS and Android): Java, OkHttp, Butterknife, Retrofit, XCode, Swift, ReactiveCocoa, ReactiveSwift, Kickstarter-Prelude, Argo, Runes, Curry
Desktop app: CoffeeScript, Electron.js, C#, F#, ReactiveUI
Internal tools: Angular, Elm, ClojureScript
Backend: Java, Scala, Python, Haskell, Lisp, Clojure, Go, C++
NLP/Research teams: sklearn, TensorFlow, PyTorch, CNN, RNN, Keras, Seq2Seq, xgboost, CRFs, nltk/spacy/OpenNLP, OpenNMT, Jupyter notebooks
Team Project Management
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Committed to Personal Growth
Work/Life Balance
High Quality Code Base
Open Communication
Actively Practices Inclusion
Product-Driven
Fosters Psychological Safety
Impressive Team Members
B2B
Technical Founder(s)
Tech Stack
TypeScript, JavaScript, and React
Scala (high performance backend)
Python (infrastructure management and data analysis)
Android and iOS
Luna1 (legacy in-house functional reactive framework, similar to Meteor)
Marijuana Delivery
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
Customer Comes First
Product-Driven
Start-to-Finish Ownership
Cross-Department Collaboration
Actively Practices Inclusion
EQ > IQ
Committed to Personal Growth
B2C
Tech Stack
Our backend is a mix of an inherited .NET monolith and Node.js microservices we’re carving out of the .NET stack. Our front-end websites are written in React and Redux, and our native clients are written in React Native.
Labor Automation Cloud Platform
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Work/Life Balance
Open Communication
Impressive Team Members
Safe Environment to Fail
Flexible Work Arrangements
Committed to Personal Growth
Uses Agile Methodologies
Team is Diverse
B2B
Tech Stack
Frontend: React/Redux. Legacy JSP (although increasingly less!)
Monolith backend: Java on Tomcat.
Microservices backend: Java on Spring.
API: Java w/ Swagger.
TechOps: Hashicorp stack + Docker on EC2/AWS. Cloudflare, EBS, Redis. Git/GitHub for Source Control. Jenkins for CI. Ruby/Cucumber for testing.
Databases: MySQL
Search: SOLR
Data: Python (pandas, AirFlow, etc.). Redshift/Postgres.
OnForce Platform (subsidiary): PHP on baremetal LAMP (deprecating, moving to AWS).
Building the future of mobile app discovery with deep links
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Engineering-Driven
High Quality Code Base
Start-to-Finish Ownership
Work/Life Balance
Customer Comes First
Fast-Paced Environment
Team is Diverse
Open Communication
B2B
Technical Founder(s)
Tech Stack
React, Redux, Node, Java, Postgres, AWS
Planning Platform for Public Transit
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Bonded by Love for Product
Continuous Feedback
Customer Comes First
Product-Driven
Engages with Community
Open Communication
Actively Practices Inclusion
Eats Lunch Together
B2B
Technical Founder(s)
Tech Stack
Our main app is a Ruby on Rails API, with a Postgres and PostGIS database and a front-end built using React.js. It’s hosted in Heroku. We also have a variety of services built in Python that are hosted on AWS.
Digital Products for Mobile and Web
Fullstack Developer
Hamburg, Germany
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Heavily Team Oriented
Open Communication
Work/Life Balance
Flat Organization
Uses Agile Methodologies
Flexible Work Arrangements
Continuous Feedback
Committed to Personal Growth
B2B
Tech Stack
mindmatters develops software for a variety of customers. Depending on the project specifics we choose mostly Java/Spring Boot, Ruby on Rails, JavaScript, React, Angular 2+, Swift, Objective-C, Android
Small Group Adventure Travel
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.EQ > IQ
Good for Junior Devs
Committed to Personal Growth
Bonded by Love for Product
Work/Life Balance
Start-to-Finish Ownership
Safe Environment to Fail
Cross-Department Collaboration
B2C
Self-Funded
Tech Stack
We’re primarily a Python shop, using Django for our websites. We also have a few services written in Go and have started to build out our front ends using React. We use Github to host our code, Jenkins (for now) to automate our tests, and right now most of our applications and code live in VMs in a Colo just outside of Toronto. We’re in the process of transitioning to AWS. Other common technologies we use are Postgres (primary DBs), Redis (cache and key/value store), RabbitMQ (messaging broker) and Celery (task queue).
Modern Pharmacy for Prescription Deliveries
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Customer Comes First
Actively Practices Inclusion
Impressive Team Members
Engages with Community
Start-to-Finish Ownership
Cross-Department Collaboration
Fast-Paced Environment
Rapidly Growing Team
B2C
Technical Founder(s)
Tech Stack
React Native, React, Ruby on Rails, Go
Smart Money Sidekick
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Start-to-Finish Ownership
Work/Life Balance
Continuous Delivery
Data-Driven
Open Communication
Light Meetings
Continuous Feedback
High Employee Retention
B2C
Technical Founder(s)
Tech Stack
JavaScript/CoffeeScript, Python, Node.js, React + React Native, AWS Lambda, Spark, Kinesis, MongoDB, Redshift
Route Optimization for Delivery Businesses
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Open Communication
Heavily Team Oriented
Committed to Personal Growth
Fosters Psychological Safety
High Quality Code Base
Product-Driven
Friends Outside of Work
Promotes from Within
B2B
Technical Founder(s)
Tech Stack
Our stack consists of Koa.js, MongoDB, and Angular – because they were the hottest things a few years ago. Now we’re playing with React, React Native, Flow.js, and Postgres – because Postgres is cool again :)
Enterprise Cloud Storage
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Start-to-Finish Ownership
Product-Driven
Cross-Department Collaboration
Heavily Team Oriented
Committed to Personal Growth
Team is Diverse
EQ > IQ
Rapidly Growing Team
B2C
Technical Founder(s)
Tech Stack
Tech stack varies from team to team: PHP, React, Java, Node, Scala, Objective-C, Go, etc.
Cross-Functional Team Collaboration Software
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Heavily Team Oriented
Open Communication
Open Source Contributor
Flexible Work Arrangements
EQ > IQ
Safe Environment to Fail
Continuous Feedback
Has Internship Program
B2B
Technical Founder(s)
Remote-OK
Tech Stack
Our tech stack is very future-forward and designed to enable Google Docs-like realtime collaboration. From back-to-front: rethinkdb, redis, NodeJS, GraphQL, Relay Modern, React using ES2015+
In Home Care Services
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Team is Diverse
Bonded by Love for Product
Cross-Department Collaboration
Open Communication
Eats Lunch Together
Fast-Paced Environment
B2B
B2C
Technical Founder(s)
Tech Stack
AWS rds + mysql for data storage API is in python + flask apache thrift for interface definition android app is in java ios apps in swift 3 front-end web is in python, flask, node, and react
Search API Platform
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Continuous Feedback
Team is Diverse
Cross-Department Collaboration
Safe Environment to Fail
Internal Mobility
Start-to-Finish Ownership
Eats Lunch Together
Flexible Work Arrangements
B2B
Technical Founder(s)
Tech Stack
C++, Go, RoR, JavaScript, PHP, Swift, Java (Android), Javascript (ReactJS, VueJS), NodeJS
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