3+ years of experience





Selection process duration: 3h+

Back-end Node.js Developer

Not Active

3+ years of experience





Selection process duration: 3h+

Why should you apply?

If you are a crypto enthusiast, seize the opportunity to work with one of the fintech giants! You will not only gain a stable job, professional challenge, and a steady income stream, but also develop the knowledge and skills to build your own financial future and personal goals.

About this company

Awarded as the Best Crypto wallet for 2021, our client is a global fintech company. With their amazing platform and native cryptocurrency token, they are on a mission to disrupt the financial industry and introduce financial freedom through crypto!

Selection process

  • FCS Tech Screening Questionnaire - 20-30min

  • FCS HR Video Screening - 20min

  • Client-side HR Interview - 30-60min

  • Client-side Technical Task if requested

  • Client-side Tech Interview -1h

Position details 

As a Node.JS Developer, you will be responsible for scaling the infrastructure, user base, and features of the platform. 

You will be free to speak up when you think something could be done better, but you will also need to be able to distinguish constructive criticism from personal quarrels.

If you join as a Senior Developer you will be expected to work independently and help younger developers.

Project details

You will work on an internal, live product which is a global fintech platform that offers interest-bearing savings accounts, borrowing, and payments with digital assets. The product itself is growing in all fields - currently 500.000+ users, $15B in assets under management, and awarded for the best wallet of the year.

Key responsibilities 

  • Ensure that the app can successfully fetch and deliver data through various APIs or to/from different service providers or even communicate to the Blockchain directly 

  • Build scalable systems, maximize security and manage authentication and verification processes 

  • Take responsibility for security, authorization, and verification

  • Write tests and testable code

  • Web application security

  • Troubleshoot API problems with external clients 

  • Identify, reproduce, and isolate bugs, and drive the issues to completion


  • Experience with relational databases. Preferably PostgreSQL or MySQL 

  • Deep understanding of standard web dev methodologies (tests, logging, CI, monitoring, and similar)

  • Familiarity with Unix-like operating systems and CLI tools 

  • Hands-on experience with test automation processes and tools

  • Ability to quickly accommodate in the unknown environment, learn while working, and critically think about problems and ways of solving them

  • Ability to define concrete tasks from high-level objectives and present the results of your work


  • 3+ years of relevant software development experience with Node.js

  • Proficiency in JS (ES6)

  • Understanding and experience with REST APIs 

  • Minimum B2 level of proficiency in English language


There are 13 teams focused on different user experiences and features. They also have traditional departments divided into Frontend (WebApps - React.JS; Mobile: React Native, Native app) and Backend (Node JS + TypeScript + PostgreSQL).

Working conditions 

  • Remote-first company, meaning you can work from anywhere

  • Offices in downtown Belgrade

  • Flexible working hours

  • No-limit vacation policy

  • Bonuses - defined by project milestones. Employees can earn them by taking ownership of different projects and leading the effort.  Here’s an example: “Reduce the number of bugs found in the development phase by 25%”

  • Full equipment - MacBooks, monitors, mouses, keyboards, headphones. 


  • Learning & development culture

  • Bonuses & promotions

  • Flexible working hours

  • Hybrid working model

  • Unlimited days off 

Seems like a job made for you?

Fill in the form and apply today, we’ll reach out shortly.