(Updated: July, 2018)
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
Flat Organization
Work/Life Balance
Open Communication
Actively Practices Inclusion
Start-to-Finish Ownership
Open Source Contributor
Eats Lunch Together
B2B
Technical Founder(s)
Remote-OK
Tech Stack
Python MySQL Redis Kinesis HAProxy Linux Javascript React Redux Flux Flow Elasticsearch AWS Jenkins MyPy nginx
Enabling software teams to ship better software, faster
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Impressive Team Members
Open Communication
Start-to-Finish Ownership
Data-Driven
Creative + Innovative
Team is Diverse
Customer Comes First
Work/Life Balance
B2B
Technical Founder(s)
Tech Stack
JavaScript Java Groovy Spring MVC Python Go Kubernetes Docker AWS Awesomeness
Find yourself outside
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 Sass Redis ElasticSearch Postgres Heroku Airflow Python 3
AI to Organize Your Photos of Your Kids
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Ideal for Parents
Bonded by Love for Product
Product-Driven
Committed to Personal Growth
Wears Many Hats
Eats Lunch Together
Work/Life Balance
Start-to-Finish Ownership
B2C
Technical Founder(s)
Tech Stack
Python, Django, Postgres, Objective-C, Swift, PyTorch
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)
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
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
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
Subscription Styling Service for Sizes 14+
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
High Quality Code Base
Work/Life Balance
High Employee Retention
Uses Agile Methodologies
Rapidly Growing Team
Continuous Delivery
B2C
Remote-OK
Tech Stack
Engineering: Ruby on Rails, React, Postgresql, ElasticSearch Data: Python + Go, Docker, AWS services (e.g. Kinesis, Lambda, ECS, Fargate…)
Worker-Run Development Shop
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Team is Diverse
Actively Practices Inclusion
Safe Environment to Fail
Open Communication
Work/Life Balance
High Quality Code Base
Pair Programs
Wears Many Hats
B2B
Self-Funded
Technical Founder(s)
Tech Stack
Ruby on Rails, Java, Python, Haskell, Postgres, Redis, AWS, Docker
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
Mobile Engagement Automation Platform
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Flexible Work Arrangements
Impressive Team Members
Creative + Innovative
Customer Comes First
Cross-Department Collaboration
Committed to Personal Growth
Uses Agile Methodologies
B2B
Tech Stack
Single source multi-tenant AWS SaaS offering Leveraging many AWS services (Lambda, Kinesis, Redshift, etc.) Backend - Clojure / Java / Node.JS / Python Frontend - Angular DB - Couchbase / Postgres / Redshift
AI-Powered Analytics for Sales Calls
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Customer Comes First
Fast-Paced Environment
Committed to Personal Growth
Open Communication
Wears Many Hats
Rapidly Growing Team
Heavily Team Oriented
B2B
Technical Founder(s)
Tech Stack
Rails for user facing side React Python for backend integrations/data science
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)
Pet Sitting and Dog Walking Platform
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Work/Life Balance
Fast-Paced Environment
High Quality Code Base
Safe Environment to Fail
Rapidly Growing Team
Start-to-Finish Ownership
Cross-Department Collaboration
Impressive Team Members
B2C
Technical Founder(s)
Tech Stack
Python, Django, React, Redux, MySQL, Postgres SQL
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.
Programming Copilot
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Engineering-Driven
Creative + Innovative
Bonded by Love for Product
Impressive Team Members
Start-to-Finish Ownership
Open Communication
Work/Life Balance
Internal Mobility
B2C
Technical Founder(s)
Tech Stack
Go and JS (React) are the main languages we use. We also use objective C and C# for OS specific code as well as some Python and Java.
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).
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.
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 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
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).
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
Online Dating App
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Team is Diverse
Risk-Taking > Stability
Engineering-Driven
Creative + Innovative
Continuous Feedback
Bonded by Love for Product
Safe Environment to Fail
Committed to Personal Growth
B2C
Remote-OK
Tech Stack
Python / Django Scala Golang Postgres Cassandra ElasticSearch Redis AWS (EC2, S3, ALB, EBS, Kinesis, SQS) Linux (Ubuntu)
Oncology Data for Accelerated Research
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Team is Diverse
Cross-Department Collaboration
Ideal for Parents
Committed to Personal Growth
Internal Mobility
EQ > IQ
Flexible Work Arrangements
High Employee Retention
B2B
Technical Founder(s)
Tech Stack
Python | C# | JavaScript | AngularJS | React | PostgreSQL | MSSQL
Analytics to help teams build better products
Top Engineering Values
Each team is asked to select, explain, and rank their top 8 values in order of importance.Customer Comes First
Impressive Team Members
Heavily Team Oriented
Open Communication
Fast-Paced Environment
Continuous Delivery
Product-Driven
Risk-Taking > Stability
B2B
Technical Founder(s)
Tech Stack
Python, Java, Javascript, React, Node, Postgres, GraphQL. Our product sits on top of Kafka, Redis, Amazon S3, DynamoDB, and Elasticsearch.
Company data powered by AI
Senior Software Engineer (Full-Stack, Web)
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
Committed to Personal Growth
Actively Practices Inclusion
Open Communication
Impressive Team Members
Cross-Department Collaboration
Heavily Team Oriented
Work/Life Balance
B2B
Technical Founder(s)
Tech Stack
MongoDB, Solr, Node, ES6, Ember, Python
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