Tech Lead Engineer at Rainbow Weather (Hybrid/Warsaw/B2B/UoP)

We are a start-up called "Weather Forecast Technologies - Rainbow.app" and we are building the most accurate weather service in the world Rainbow Weather. Our team collects data from a wide range of sources (radar, satellites, barometers, etc) and applies ML models to it, making an innovative product.
Our solution includes: web, android, ios client applications, a technologically diverse back-end, several different AI/ML services, monitoring and metrics collection.
You must have seen us as winners of the day and week at Product Hunt last August and the other day as nominees for the Golden Kitty Awards in the best mobile app category.

If you don't know about us, you can listen to the podcast with investor Yura Melnicek.

Over the last year of operation, we have done
  • By metrics we make the best precipitation forecast two hours ahead with updates every 10 minutes.
  • By metrics in North America and Britain we get ahead of Apple and worldwide we got ahead of AccuWeather and of The Weather Channel
  • We made an app that became successful on Product Hunt in the Golden Kitty Awards award in the best mobile app category.

What makes us different from other apps?
We have cool features that make us better than others. For example, push notification for sudden weather changes. If it rains in your location, we'll make sure to let you know to bring an umbrella.

Our goals for 2024
  • The best minute-by-minute weather forecast in the world for 24 hours with updates every 5-10 minutes.
  • We want our app to operate covering the entire globe
  • Strengthening the development of our application and separately its B2B direction

We are now looking an excellent Lead Technical Engineer!

Your Responsibilities:
  • A lot of interesting engineering tasks: creating solutions for highly loaded distributed systems, designing various B2B APIs, etc.
  • Working with Big Data and algorithms
  • Participating in building the product and technology
  • Collaboration with colleagues with B2B clients
  • Team hiring and interviewing, mentoring

Technical Stack
  • Python Fast API Numpy, OpenCV, Asyncio

Will be a plus
  • C++ Go Rust JS
  • CI/CD, Unit Test, AWS, GCP, Azure, GIS.
  • Docker, Kubernetes, Ansible, Terraform
  • PyTorch, TensorFlow

Experience and skills desired
  • You have experience in commercial product development in leading roles (Tech Lead, Architect, CTO, Staff Engineer, etc.)
  • You've previously been involved in designing back-end, microservice architecture, b2b APIs, high load projects, etc.
  • Experience in a startup as well as in the mapping and meteorology domain is a significant plus
  • Willingness to grow with the product and team by learning new technologies (experimenting with them).
  • Excellent communication skills
  • Team player
  • Good oral and written English language skills - B2+

We offer in return
  • A very smart and intelligent team of guys
  • B2B or UoP registration
  • Comfortable and cozy office in the center of Warsaw (Attrium center).
  • Hybrid work format. We are in favor of live communication and will be very happy to see you in the office!
  • Paid sick leave and vacation
  • Mac equipment and machinery
  • Salary linked to USD
  • Stock option for Key Person
  • Visa support and legalization if needed

A few words about the team

And you will fit perfectly into the team if
  • You are an engaged, curious and open to new experience performer.
  • You can't imagine your growth without technical challenges
  • You are a team player and are ready to support the guys in any situation
  • You understand what a start-up is,  that your opinion and time is important for the whole team and sometimes it is hard to replace you.
  •  You are very independent and responsible
  • You have or have had a pet project
  • You have a great sense of humor )

Stages of the interview
1. Prescreen with the recruiter (45 minutes)
2. interview (60 minutes)
3. Pre-offer meeting (30 minutes)





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