Hybrid Full-Stack Blockchain Developer – Junior to Mid

Rumblefish; Kraków; Hybrid; PLN 40,000 - 60,000; Full time

Benefits offered by this job

Paid holidays

Training budget

Private healthcare

Non-corporate culture

Flexible hours

Multisport Plus or gym pass

Supportive team

Job summary

A software development company in Poland is looking for a Junior/Mid FullStack Developer with Blockchain experience. The ideal candidate will build modern web applications using technologies like React, Node.js, and AWS, and work on exciting blockchain projects. Excellent communication skills and a willingness to learn new technologies are essential. The position offers a hybrid work model with various benefits including paid holidays, a training budget, and private healthcare.

Qualifications

• Basic understanding of frontend/backend structure and AWS services exposure.
• Familiarity with React and TypeScript.
• Basic knowledge of Rust and willingness to learn.
• Comfortable working with APIs (REST, GraphQL).
• Basic blockchain concepts and interest in applied cryptography.
• Excellent communication skills and openness to new tools.

Responsibilities

• Build and develop full-stack applications (React, Rust, AWS).
• Work on real blockchain/Web3 projects.
• Integrate frontend and backend with blockchain data.
• Design and implement APIs for indexing and data processing logic.
• Work closely with a product team and communicate in English daily.

Skills

React

TypeScript

Node.js

NestJS

Material UI

REST

Docker

AWS

Rust

Stellar Blockchain

Postgres

Job description

A software development company in Poland is looking for a Junior/Mid FullStack Developer with Blockchain experience. The ideal candidate will build modern web applications using technologies like React, Node.js, and AWS, and work on exciting blockchain projects. Excellent communication skills and a willingness to learn new technologies are essential. The position offers a hybrid work model with various benefits including paid holidays, a training budget, and private healthcare.