4000 backend developer English-speaking jobs in Poland

Responsibilities We are looking for an experienced developer experienced in Progress OpenEdge with solid ... Mandatory Skills Proven experience as a Progress 4GL OpenEdge DBA / Developer Progress OpenEdge technical

revenues as of 12 months ending March 2026 totaled $14.7B Overview of the Role As an L3 Agentic AI Developer ... Skill Requirements Proven hands‑on experience as a Python Developer building production‑grade applications

As an energy park developer, the UKA Group plans, builds, operates and sells wind farms and solar parks

Senior Erlang Developer will design, implement, and debug Erlang/OTP code in the GTT framework. Responsibilities include investigating and resolving technical issues, collaborating with development teams, and ensuring GTT remains a reliable tool. Requires strong hands-on experience with Erlang/OTP, functional programming, and Linux/bash scripting.

We are looking for a Dynamics 365 Developer for our well‑known client.

in software development Hands-on experience with Kotlin in commercial projects Experience building backend

Kotlin Multiplatform Developer (KMM) – Zero Trust Architecture (m/f/d) Role Overview We are looking for ... a Kotlin Multiplatform Developer to join a team building secure mobile solutions aligned with Zero Trust

Consolidated revenues as of 12 months ending March 2026 totaled $14.7BOverview of the Role:As a Medior Pega Developer

Bachelor’s or Master’s degree in IT, Computer Science, or similar Strong experience as a Senior Java Developer

Senior full‑stack SharePoint developer for an EU agency near‑site contract in Warsaw. ... ICT‑relevant degree (Level 6+) and 4+ years of ICT professional experience 2+ years in a full‑stack SharePoint developer

Technical Requirements Minimum 5 years of commercial experience in a developer role (projects involving

Senior Java Developer with Strong Application Security Focus (m/f/d) The role is a security‑minded senior ... developer focused on application security and vulnerability remediation within the development context

We are looking for a high-caliber, autonomous Tableau Developer to join our Data & Analytics team as

Senior .NET Developer to design, develop, and modernize applications using .NET, C#, and ASP.NET Core. Experience with Agentic AI, Claude Code, and GitHub Copilot required. Must have 6+ years of commercial experience building scalable, enterprise-grade applications and APIs.

days per month)Type of contract: B2BRole OverviewWe’re looking for a highly experienced Senior React Developer ... Multisport card.Stable, long-term projects with full-time employment.If you’re an experienced React Developer

As a Senior Java Developer, you will work in a complex, integration-heavy environment where understanding

Automation Senior Developer – Fixed‑term Contract (3‑month probation, then fixed until Dec 2027) Location ... We’re seeking an experienced Automation Senior Developer to design, develop and maintain automation solutions

ResponsibilitiesYour responsibilities include developing scalable, reliable and maintainable backend ... a technology transformation towards a modern Node.js / TypeScript ecosystem.RequirementsCommercial backend

Join our team as a Senior Java Developer! ... As a Senior Java Developer, you will play a key role in designing, developing, and integrating modern

We are looking for a talented Senior Game Developer with a good understanding of the casual mobile game ... optimization and performance Excellent written and verbal communication skills in English A creative, hands‑on developer