Instacart | Sr Full-stack Engineer, Sr Data Engineer, Data Scientist, Machine Learning Engineer, Sr iOS/Android Engineer | onsite in San Francisco | https://instacart.com

Instacart (YC S12) is building the best way for people everywhere in the world to shop for groceries. Using your phone or the web, you can order groceries and have them delivered to your door in minutes. You can choose from a variety of local stores, as well as being able to mix items from multiple stores into one order.

Every day, we solve incredibly hard problems to create an experience for our customers that is magical. We aim to give our customers back their invaluable time so they can spend it doing the things they love with the people they love.

Hiring Process depends on the position, but will generally follow this flow: Phone screen + simple challenge / Take-home challenge / On-site. We're pretty flexible and can work with you on this.

We care that you can ship product and enjoy taking ownership over what you're working on. We don't really care where you went to school or what companies you've worked for.

Tech:

• Ruby (on Rails) • ES6+ • React / Redux • PostgreSQL • Elasticsearch • Memcached / Redis Data Analysis & Data Science: SQL, R, Python

Learn more about us and apply directly at:

• https://careers.instacart.com/ • http://tech.instacart.com • http://stackshare.io/posts/the-tech-behind-instacarts-grocery-delivery-service

Software Engineer | Zenysis (YC W16) | SF or Paris | Onsite, Fulltime

Zenysis is building a data analysis product for national healthcare systems in developing countries. Our work is used by governments and institutions that provide services for over 130 million people. In the past year, we've helped governments fight epidemic outbreaks, respond to natural disasters, and allocate hundreds of millions of dollars in healthcare spending.

Our goal is to help policymakers make data-driven decisions. We're building early warning systems for disease outbreaks, automatically detecting low-quality data, and developing other ways to identify and visualize the most effective health interventions across entire countries.

We're looking for other mission-focused engineers who care about seeing their impact in the world and are comfortable building complex, critical systems.

Apply here: https://www.zenysis.com/#careers

Uncountable | San Francisco (Onsite) | Full Stack / Front End, Machine Learning, Enterprise Sales https://www.uncountable.com/careers Uncountable accelerates the innovation of the world’s largest manufacturers. By leveraging advanced artificial intelligence techniques, Uncountable's algorithms get better material and chemical products to the market in half the time. We currently have fewer than 15 employees and are located in the Design District in SF.

Senior Full Stack / Frontend Engineers | $120k - $170k + Equity

---> Uncountable is looking for an experienced engineer who can spear head the development of the Uncountable Web Platform. The position is an 70/30 mix of front-end and back-end with the primary challenge being overcoming UX challenges.

Machine Learning Engineers | $150k - $220k + Equity

---> Uncountable is building a world-class machine learning team that can push the boundaries of what is currently possible with Bayesian optimization. You will have the opportunity to innovate in machine learning at a small startup.

---> This position requires both experience with statistical learning theory and software development.

Enterprise Sales | $70k - $120k + Commission & Equity

---> Uncountable is looking for resourceful, scrappy, and driven professionals to grow out our sales and business development team. As a sales representative, you will be responsible for generating leads, pitching Uncountable’s AI platform to Directors/VPs, and closing enterprise deals.

These are all onsite, full-time positions in San Francisco, CA. Learn more: https://www.uncountable.com/careers

Contact: Email is hidden

CALA | https://ca.la | Full-Stack Software Engineer | New York City | FULLTIME | ONSITE

We’re building a platform for fashion designers & brands — our customers design clothing with our software, and we develop and produce them with our network of manufacturers. Our customers are the world's most creative fashion and apparel designers, ranging from indie designers to major celebrities.

We’re a small but growing team in NYC, looking for experienced engineers with a passion for building great experiences. As an early member of our engineering team, you'll help define our team culture, technology choices, and roadmap, and be a key part of the next phase of our growth.

Our tech stack is mostly TypeScript/node/React/Postgres right now, but with some other fun things in the mix too. You’ll be working across the whole stack; web, backend services and APIs, iOS and more.

https://jobs.ca.la/engineering | Email is hidden

PromptWorks | Multiple positions | Philadelphia PA | ONSITE https://promptworks.com/ We are a development shop that focuses on software craftsmanship. Our calling is to help companies create amazing, intuitive web & mobile applications, APIs, products, and services. Pair programming, continuous integration & delivery, kaizen, and TDD/BDD aren't just ideas we pay lip service to, but core practices of our day-to-day work. We love polyglots. We use lots of Ruby, Python, Elixir and JavaScript (mostly React and React-Native). Open positions:

• Director of Product Design (UX/UI) • Director of Engineering • Senior Software Engineer & Software Engineer • Senior React Native Engineer • Senior UX Designer https://www.promptworks.com/jobs

Chargehound (YC W14) | Account Manager | Oakland, CA | Full Time

https://www.chargehound.com/jobs/account-manager

Checkr (YC S14) | San Francisco, CA | ONSITE | Senior Software Engineers For the unfamiliar, Checkr's a 5 year old company, redefining the way background checks are run today and how they influence the job market of the future. From the YC S14 class to raising a $100 million Series C in April 2018 to the profitable, fast-growing company we are today, it's been quite the ride.

A little about our stack: Ruby/Sinatra/Rails, MySQL and Mongo, RabbitMQ and Kafka for queueing, React frontends, growing Golang and Python microservices, Kubernetes and Docker for deploying, Presto for our data warehouse, moving to gRPC for service communication.

We are looking for:

- Engineers: Backend, Frontend, Fullstack, DevOps, Data/ML, Security

- Product: Designers, PMs, Program Managers

Backend/Fullstack - https://grnh.se/sw604uyn1

DevOps Engineer - https://grnh.se/e9b0b7fe1

SRE - https://grnh.se/b05154951

Sr PM - https://grnh.se/f97c45151

If you have questions feel free to reach out to me at Email is hidden

Memrise | Software Engineers | London UK | Full-Time, Onsite, Visa sponsorship and relocation available | https://www.memrise.com Memrise gives people learning superpowers!

We've got:

* An impactful mission - Memrise helps users achieve confident, real-world language skills & connect with new cultures.

* Exciting technical challenges for you to work on. We build for scalability & high availability; use machine learning powering real-world, user-facing features; have big data to process and feed into our adaptive learning algorithms; and smooth, refined user interfaces to build that our users will adore.

* Funding - we closed our Series B at $15.5M!

* A large user base - we now have about 40M users!

* An awesome team - https://www.youtube.com/watch?v=worv8j1n0y8

We're looking for:

* Backend Engineer

* Frontend Engineers (React) - Mid-level and Senior

* DevOps Engineer

* Data Scientist

Apply at https://www.memrise.com/jobs/

Oracle | Senior Data Scientist | San Francisco | ONSITE

We're a new team based in San Francisco that's solving problems which the world's largest businesses need to solve. Our team is responsible for incorporating machine learning into ERP, the software that many large companies use to manage their operations. We're mainly a Python shop with an open source stack.

https://www.linkedin.com/jobs/view/1169233540?trk=cap_redire...

Housecall Pro | Lead React Front-End Engineer (Gatsby) | San Diego OR San Francisco, CA | Onsite | Full time

Housecall Pro | Senior Ruby/RoR Software Engineer | San Diego, CA | Onsite | Full time

https://housecallpro.com

We are the operating system for home services labor across the US and Canada. Backed by top tier VCs, we are focused on making the lives of service professionals better with technology.

Our Engineering team is extraordinary. We’re a hardworking and focused team driven to deliver industry-leading tech to our service pro customers. Our success is their success. Our team of entrepreneurial, client-focused team members are the "engine room" of Housecall Pro.

See full job descriptions and apply here: https://www.housecallpro.com/careers

https://hire.withgoogle.com/public/jobs/housecallprocom/view...

https://hire.withgoogle.com/public/jobs/housecallprocom/view...