FullStack Javascript Developer

This role is perfect for creative people who want to have an impact on the product they're working on. We need developers who will care about the product & actively participate in its development.

We’re looking for an experienced Fullstack Developer to be a key member of our team working on a leading visual analytics application. Spotlyt, the application written in JavaScript, can handle complex queries on billions of rows of data, delivering results in milliseconds visualized on charts and maps. We’re delivering unique solutions to diverse clients from an array of sectors For example, a global telecoms company that uses Spotlyt to allow them to discover previously inaccessible insights through our intuitive dashboard that converts raw data into decision-ready information. 

You’ll be working on the end-to-end technical design, integration, testing and deployment of new products and features. You'll improve and extend our application that’s built with React, Redux & Node.js. For example, designing and implementing new visualisation methods, optimizing client-side performance, providing integrations with external services, and creating innovative SAAS functionalities.  

In our team you’ll work with our partners and clients to deliver great code, great products and great experiences. Innovation is key to us so be ready to create, share and defend new ideas and solutions. Then we’ll give you the space to work on your new ideas and implement them in a way you’re proud of.   


  • actively participate in Spotlyt's development
  • work in a team of JavaScript developers headed by a team leader. 
  • mainly work on new features.
  • cooperate with C++ and sales teams.
  • proactively provide solutions and implement them


  • Integration tests
  • QA Manager
  • Unit test - TDD
  • Tester - 1
  • Agile Management
  • Code reviews
  • Static code analysis - eslint
  • Build server - GitLab

We need:

  • 3 years' + commercial programming experience
  • 2 years+ commercial programming experience in JavaScript
  • Some knowledge of React and Redux stack
  • Some knowledge of SQL
  • English (B2 level)
  • Experience or willingness to get experience in backend technologies (Node.js)

Nice to have:

  • Know about libraries for data visualization (d3, Plotly, etc.)
  • Know about mapping services (Mapbox, Google Maps, etc.)
  • Experience with Docker
  • Mathematics, statistics or a data science background 
  • Experience with stats or business insights tools, e.g., PowerBI, Tableau, R Studio 


  • 12-25,000 PLN monthly B2B
  • permanent contract or possibility for a B2B contract
  • private medical
  • remote working 100% whilst the current restrictions are in place. Possibility of a partial or fully remote role afterwards. 
  • Salary review every 6 months, 1,000PLN potential raise

Or, know someone who would be a perfect fit? Let them know!

Perks & Benefits

  • Warsaw workplace

    Our villa at Marina Mokotów is in a leafy and quiet estate just around the corner from Pole Mokotowskie. Coffee and free parking are provided along with summer barbeques on our terrace. Getting to us by bike is easy and a shower is available if required.

  • Comprehensive private health care package

  • Training budget

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