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05.06.2026 | Pełny etat, Freelancer | Katowice | Monterail Sp. z o.o.Technologies-expected - Java technologies-optional Redux - Zustand - Context API - Java about-project We're looking for a Senior React Developer (7+ years) with some Java skills to join a product team building a multi-app system centered around an operator console - a real-time interface fo

03.06.2026 | Pełny etat, Freelancer | Warszawa | Monterail Sp. z o.o.Technologies-optional Python - - Ruby - OpenAI - Anthropic about-project We're building a network of LLM Engineers who can design, build, and integrate practical AI features into existing products. We're looking for people to collaborate with on a freelance basis - part-time or full-time, de

03.06.2026 | Pełny etat, Freelancer | Gdańsk (Gdańsk) | Monterail Sp. z o.o.Technologies-optional Python - - Ruby - OpenAI - Anthropic about-project We're building a network of LLM Engineers who can design, build, and integrate practical AI features into existing products. We're looking for people to collaborate with on a freelance basis - part-time or full-time, de

03.06.2026 | Pełny etat, Freelancer | Kraków | Monterail Sp. z o.o.Technologies-optional Python - - Ruby - OpenAI - Anthropic about-project We're building a network of LLM Engineers who can design, build, and integrate practical AI features into existing products. We're looking for people to collaborate with on a freelance basis - part-time or full-time, de

03.06.2026 | Pełny etat, Freelancer | Wrocław | Monterail Sp. z o.o.Technologies-optional Python - - Ruby - OpenAI - Anthropic about-project We're building a network of LLM Engineers who can design, build, and integrate practical AI features into existing products. We're looking for people to collaborate with on a freelance basis - part-time or full-time, de

03.06.2026 | Pełny etat, Freelancer | Poznań | Monterail Sp. z o.o.Technologies-optional Python - - Ruby - OpenAI - Anthropic about-project We're building a network of LLM Engineers who can design, build, and integrate practical AI features into existing products. We're looking for people to collaborate with on a freelance basis - part-time or full-time, de

22.05.2026 | Pełny etat, Freelancer | Poznań | NETGURU S.A.Technologies-expected Java - Spring - Spring Boot - Kubernetes about-project We are looking for a Senior Backend Engineer with strong architectural skills to join a long-term project for a European client in the laboratory and biotech domain. This is a single-developer project, where you will work c

22.05.2026 | Pełny etat, Freelancer | Poznań | NETGURU S.A.Technologies-expected Python - Django technologies-optional - Quasar - Docker - Linux about-project How freelancing works at Netguru? - As a Netguru freelancer, you can choose what works well for you. You decide when, where, and how you work on projects and tasks. - We match you with work tha

22.05.2026 | Pełny etat, Freelancer | Poznań | NETGURU S.A.Technologies-expected Java - Spring Boot - SQL technologies-optional AWS about-project We are looking for a Mid-level Java Developer to join our client’s engineering team and support the development of a SaaS platform used by enterprise customers. This role requires working in close collaboration wi