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FullStack Engineer

🇪🇸 Spain

Next.js

Jest

Node.js

JavaScript

TypeScript

Angular

Docker

Kubernetes

PostgreSQL

Webpack

Git

GitHub

Machine Learning

Design

Blockchain

Redis

UI/UX

Backend

Frontend

Devops

FullStack Engineer

from 🇪🇸 Spain

We are looking for a FullStack Engineerwith a strong backend focus to help build and scale Enterprise products.

You will work closely with Product and Engineering teams to develop partner-facing experiences, widgets, and internal applications.


Responsibilities

  • Build and maintain frontend applications, widgets, partner portals, and landing pages.
  • Design and implement backend services and APIs.
  • Prototype new partner integrations and B2B solutions.
  • Work closely with Product Managers and Designers from requirements to production.
  • Own features end-to-end, including deployment and support.
  • Participate in code reviews and architecture discussions.
  • Actively leverage AI tools to accelerate development and increase productivity.

Backend

  • Commercial experience with Node.js and TypeScript.
  • Experience building and maintaining REST APIs.
  • Good understanding of PostgreSQL and Redis.
  • Understanding of asynchronous patterns and message queues.
  • Familiarity with JWT and OAuth2.

Frontend

  • Strong JavaScript and TypeScript skills.
  • Solid experience with React or Angular.
  • Experience building responsive web applications.
  • Experience with component-driven architecture and reusable UI patterns.
  • Experience with HTML, CSS, SCSS, and modern frontend tooling (Webpack, Vite, ESLint, Prettier).
  • Experience writing UI tests using Jest or similar frameworks.



Engineering Fundamentals

  • Strong Git workflow and code review practices.
  • Experience with CI/CD and GitLab CI.
  • Docker and local development environments.
  • Comfortable working with Linux and CLI tools.
  • Understanding of software architecture and distributed systems concepts.



AI-First Engineering

  • Experience using Cursor, GitHub Copilot, Claude Code, or similar tools.
  • Experience with AI-assisted coding, debugging, and documentation.
  • Understanding of prompt engineering and LLM capabilities.
  • AI-first mindset and willingness to continuously learn.



Nice to Have

  • Experience with Web3 or blockchain products.
  • Experience integrating third-party APIs (payments, KYC providers, etc.).
  • Familiarity with Kubernetes and GitOps.
  • Experience integrating OpenAI, Anthropic, or other LLM APIs.
  • Experience with Next.js and SSR.

  • Professional growth: support for courses, conferences, and English learning (up to 100% coverage).
  • Work-life fit: remote or hybrid format with flexible hours across international teams.
  • Paid leave: up to 20 vacation days +  8 company holidays + 5 personal days per year
  • Recognition programs: structured performance reviews and team awards.
  • Team culture: retreats in international locations (for example, company apartments in Cyprus).
by @maxrusakovic