FullStack Engineer

GoMining; Polska; Hybrid; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Professional growth: courses and 1:1s

Remote or hybrid format with flexible,

Paid leave: 20 vacation days, 8 public

Team retreats in international places

Job summary

GoMining is seeking a FullStack Engineer with a strong backend focus to build and scale Enterprise products. You will collaborate with Product and Engineering teams to develop partner-facing experiences, widgets, and internal applications.

Responsibilities include building frontend apps, designing backend services, prototyping B2B integrations, and owning features end-to-end from development to deployment and support. AI-assisted coding and modern tooling are encouraged.

Qualifications

• 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.
• Strong JavaScript/TypeScript skills and frontend frameworks.
• Experience with React or Angular and responsive web apps.
• Experience with modern frontend tooling (Webpack, Vite, ESLint, Prettier).
• Experience writing UI tests using Jest or similar frameworks.
• Strong Git workflow, CI/CD and Docker in development environments.
• Comfortable with Linux and CLI tools.
• Knowledge of software architecture and distributed systems.

Responsibilities

• Build and maintain frontend applications, widgets, and portals.
• Design and implement backend services and APIs.
• Prototype partner integrations and B2B solutions.
• Collaborate with Product and Design from requirements to production.
• Own features end-to-end, including deployment and support.
• Participate in code reviews and architecture discussions.
• Leverage AI tools to accelerate development and productivity.

Skills

Node.js

TypeScript

REST APIs

PostgreSQL

Redis

JWT

OAuth2

JavaScript

React

Angular

HTML/CSS/SCSS

Testing (Jest)

CI/CD

Git

Docker

Linux

AI tools

Next.js

Kubernetes

Tools

Webpack

Vite

ESLint

Prettier

Jest

GitLab CI

Docker

Kubernetes

Job description

Requirements

We are looking for a FullStack Engineer with 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

Requirements

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

Benefits

• 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)