Backend Developer

50 - 80 PLNNet per hour - B2B

Backend Developer

JavaScript

-, Kraków +4 Locations

MindPal

50 - 80 PLN
Net per hour - B2B
Full-time
B2B
Mid
Remote

Tech stack

    English

    B2

    Supabase

    regular

    PostgreSQL

    regular

    Backend

    regular

    Node.js

    regular

    API

    regular

    MySQL

    regular

Job description

🔥 Backend Developer Wanted – Energize Our Renewable Energy Platform!

Hey, are you a Backend maestro ready to code for a cause? We're on a mission to revolutionize renewable energy and need your expertise to accelerate our impact. Dive into a role where your coding fuels sustainability and your decisions shape the future.


🟪 Responsibilities:

  • Develop robust backend services using Node.js and Supabase to deliver secure, scalable, and high-performance applications for our US-based clients.

  • Implement advanced security features, including Row Level Security (RLS) and encryption with pgsodium.

  • Design and optimize APIs that integrate seamlessly with frontend applications and third-party services.

  • Collaborate closely with product, frontend, and DevOps teams to deliver solutions that align with business goals and user needs.

  • Maintain high-quality code standards through best practices, code reviews, and testing strategies.


🟪 Requirements:

  • 2+ years of commercial experience in backend development with Node.js.

  • Strong knowledge of Supabase features, including RLS and authentication flows.

  • Experience working with PostgreSQL (designing schemas, optimizing queries, managing performance).

  • Ability to design, document, and implement RESTful or GraphQL APIs.

  • Solid understanding of application security principles and data encryption (pgsodium experience is a plus).

  • Familiarity with version control (Git and Git-flow).

  • English at B2+ for smooth communication with international teams.


🟪 Nice to have:

  • Experience with serverless architectures.

  • Familiarity with automated testing frameworks for backend.

  • Knowledge of CI/CD processes.

Published: 20.08.2025

Meet the company

MindPal

Are you looking for your dream job? Let recruiters discover your talent. Feel fulfilled and appreciated.MindPal is a recruiters powerhouse where dream jobs meet the best talents. Let personal AI HR Assistants drive talents in their career. Be free. Focus on loved ones.

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