Senior Javascript Architect / Team Leader

This role is perfect for creative people who want to have an impact on the product they're working on.

We are looking for an experienced Senior Front End Architect /Team Leader to lead our team working on our leading visual analytics application.  

Location: Poland based - fully remote or hybrid remote & Warsaw office. 

Spotlyt is a visualisation workbench for data analytics. The application is written in JavaScript and can handle complex queries on billions of rows of data, delivering results in milliseconds visualized on charts and maps.  

We are delivering unique solutions to diverse clients from an array of sectors. For example, over thirty of the world’s largest mobile operators use Spotlyt to discover previously inaccessible insights by building intuitive dashboards using our platform to convert billions of rows of raw data into decision-ready information in milliseconds. 

You will lead a team working on end-to-end technical design, integration, testing and deployment of new products and features. You will be responsible for improving and extending our application using React, Redux and 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 will 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 innovate ideas and solutions. In return we will give you the space to work on them and implement them in a way you are proud of. 

You will -   

  • find technical solutions for challenging business problems 
  • coach and mentor teammates and encourage their self-development by following a “servant leadership” attitude 
  • identify required technical work in a business context 
  • closely cooperate with business 


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

We are looking for :  

  • At least 3 years’ experience in leading decent size agile teams 
  • At least 8 years’ commercial development experience with 5 or more projects 
  • JavaScript / Typescript developers 
  • Excellent communication skills 
  • Experts in software and architecture development 
  • Experts in complex technical solutions delivery 
  • Software testing evangelists 
  • Experience in SaaS product development 
  • Very good Polish and English  

Tech stack - 

Must have: 

  • TypeScript 
  • React + Redux 
  • Node.js 
  • Microservices Architecture 
  • REST 
  • MongoDB 
  • PostgreSQL 
  • Docker, GitLab CI/CD, AWS 
  • Jest, 
  • webpack 
  • nginx 

Nice to have: 

  • Styled Components 
  • Mapbox 
  • D3 
  • Web Workers 
  • WebSockets 


  • Attractive salary 
  • permanent contract UoP or a B2B  
  • private medical  
  • remote working or office 
  • Salary reviews every 6 months 


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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