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Node.js Backend Developer
Builds and maintains a Node.js-based financial document processor that uses AI agents to extract and validate supplier data via REST APIs and Azure services.
Java Backend Developer
Builds and maintains a Java/Spring-based tax-automation backend, writes unit/integration tests, and deploys via Docker and Azure DevOps.
Backend Developer with Python
Build backend services in Python (Flask/Django) for web apps, IoT, smart-city, and blockchain projects, collaborating from design through deployment.
Mid Backend Developer (PHP/Symfony)
Builds and maintains the backend of an HR platform using PHP/Symfony, fixing bugs and adding features while collaborating with QA and senior devs.
Backend Developer (Project manager)
Builds and maintains a web-based crypto-alert terminal that connects to exchanges via API and lets users program advanced alerts on cryptocurrency price movements.
Senior Backend Developer (ST)
Builds and maintains backend services in Java/Spring Boot, optimizes systems, and ensures software quality with PostgreSQL/Oracle, Kafka/RabbitMQ, and testing tools.
Starszy Java Backend Developer - Zdalnie
Senior Java backend developer building microservices-based systems with Spring and Hibernate, working remotely on aviation traffic safety systems.
Senior Backend Developer @ mysite.ai
Build and own backend services in Python/FastAPI that power a SaaS platform for restaurants, integrating POS, ads, and AI-driven analytics while ensuring scalable, observable, and secure production systems.
Backend Developer (with AI) @ Antal
Builds and maintains scalable backend services in Node.js/TypeScript, leveraging AI tools to improve code quality and productivity while designing RESTful APIs and data models.
Kotlin Backend Developer
Build and maintain backend services for a social casino game using Kotlin and Spring Boot, ensuring scalable, clean, and testable code.
Backend Developer
Build and maintain PHP/Node.js microservices powering Instapage, a high-traffic adtech platform serving 10M+ users daily with 78M API requests.
Backend developer
Builds and maintains web apps, themes, plugins, and databases using PHP, MySQL, Laravel/Symfony, Docker, and WordPress.
Backend Developer
Builds and maintains a NestJS/TypeScript backend for a Polish energy-trading fintech, implementing billing engines, API integrations, and data pipelines for gas-market operations.
Senior Backend Developer
Build and maintain backend services for an e-commerce fashion brand using PHP 8.x, Symfony/Laravel, PostgreSQL/MySQL, and Docker.
AI GenAI Python Fullstack Developer — Remote or Hybrid
Builds full-stack Python apps and integrates AI/GenAI components, working with frontend and backend frameworks.
Senior Backend Developer (Python/ Django)
Builds and optimizes the backend of a SaaS platform that pulls e-commerce data, runs pricing analytics, and automates decisions using Python, Django, PostgreSQL, Elasticsearch, and Redis.
Software Development Engineer
Build and run automated tests for 4G/5G cellular systems, scripting in Python and maintaining CI/CD pipelines with Jenkins, Docker, and Kubernetes.
Software Developer with Python i Django (m/f)
Builds and maintains Python/Django back-end services for clinical data analysis tools used by hospitals and researchers, with exposure to Go and microservices.
Python Developer (M/K) – Kraków (Małopolskie), Polska K/M Astek
Build full-stack Python applications and modern frontends, deploy and maintain services on Microsoft Azure, and optimize data-heavy systems.
Python Developer (M/K) - Kraków (Małopolskie), Polska K/M
Build and maintain full-stack Python applications with modern frontend layers, deploy on Microsoft Azure, and optimize data-heavy services.