Senior Fullstack
JS Developer (Node/React)


16 000 - 22 000 PLN net
monthly pay


B2B or employment


Lublin or Warsaw, Poland or remotely

Hello JS Experts!

Join us remotely or in our Warsaw or Lublin office to deliver innovative digital projects. Exciting international clients and partners in a company focused on creating a meaningful change await you!

About Frontkom

Frontkom empowers businesses and impactful organisations to discover and leverage digital opportunities. We help people adopt technology for growth, innovation and positive world impacts. We’re a team of over 70 specialists - designers, developers and business consultants working in a collaborative, international environment from offices in Lublin, Warsaw, Oslo, Fredrikstad, Funchal and Berlin. We support the free and open web and love to invest in open source projects.

Joining Frontkom means

  • 16000-22000 PLN net monthly pay (take-home pay on B2B contract)
  • participation in creating innovative and ambitious digital products for the global market and startups – we work to drive digital innovation especially for education, healthcare and climate impact focused organizations
  • ability to develop and implement your solutions and ideas – we work in small agile teams, so everyone has a significant influence on how we work and the direction we take
  • delivering team-based long-term projects in collaboration with international colleagues and partners
  • educational budgets, and the possibility to attend conferences and other events
  • employee referral program
  • weekly English lessons
  • fruits and beverages and social events
  • sports card co-financing and an option to join Compensa group medical insurance

Your responsibilities

  • help our clients make the world a better place
  • build and maintain web apps on Node/React
  • develop APIs
  • design and maintain database schemas and integrations
  • create command line tools to aid other teams
  • be a team player

Required qualifications and skills

  • 3+ years of experience in JavaScript and backend development
  • relevant real world experience with complex projects on Node and React
  • great command of English - spoken and written
  • excellent knowledge of JS fundamentals (ES6+)
  • experience with modern CSS and frontend tools (Sass, Webpack, etc.)
  • experience developing REST APIs in Node with Express and/or Hapi
  • experience designing and maintaining SQL and NoSQL databases (MySQL, Postgres, MongoDB, Redis)
  • experience with Javascript testing tools (unit and integration)
  • experience in working with Git 
  • experience with state management libraries
  • familiarity with Node ORM tools (Sequelize, Mongoose)
  • ability to write SOLID and DRY code

Nice to have skills

  • experience with GraphQL
  • experience with Progressive Web Apps
  • familiarity with serverless platforms such as Heroku and Netlify
  • familiarity with other static site generators
  • knowledge of CI/CD, Gitlab, and Docker

Join us on the journey of bringing digital change to our customers. Please send your resume in English. If you are selected to continue the interview process, we will contact you via phone.

Two men discussing

What does the recruitment process look like?

  • We will review your resume and when you are selected to continue the interview process, our HR Manager will get in touch with you via phone or email. You will have a 20-minute talk about your experience and expectations
  • In the next phase of recruitment, our HR Manager will schedule the date of the technical interview with Senior Developer who will run a 60-minute technical interview with you
  • Depending on your portfolio and technical interview score you can be asked to do homework - we will send you a task and wait for your solution when you are ready
  • In the space of two weeks, HR Manager will share our feedback with you