8570 backend developer English-speaking jobs in Poland

We are looking for an experienced PL/SQL Developer to support and enhance core life insurance systems

Senior Go developer with 5+ years of IT experience and 3+ years in Go engineering sought to collaborate on a public cloud solution focused on security, privacy, and compliance.

Senior Full-Stack Engineer will design, implement, and maintain reusable frameworks and libraries. Responsibilities include writing code, establishing standards, mentoring junior engineers, and troubleshooting issues. Experience with C#, Blazor Framework, MS Fabric, and other languages is required.

We are seeking an experienced Senior Flutter Developer to join a project for one of the largest foundations

JAVA DEVELOPER (Mobile Online Services)Location: Łódź, Poland. Permanent work.

Senior .NET Developer will apply object-oriented and functional programming to software engineering problems. Experience with .NET technologies (C#, .NET Core, Entity Framework or NHibernate, WCF), Azure services (Functions, Logic apps, Web Apps, SQL Server), and web services/APIs is required. Fluent English is necessary.

SAP ABAP Developer will operate solutions within KION SAP systems, monitor and support customer applications, and collaborate with a team to build and deploy releases.

The international IT company SoftTeco invites Axapta Developer (Microsoft Dynamics AX 2012) to our team

Senior .NET Developer will participate in the full application development cycle, creating scalable code and collaborating with various teams. Requires at least 5 years of .NET experience, C# proficiency, and familiarity with databases and ORMs. Experience with cloud computing and TDD is a plus.

Overview We are looking for a developer with excellent knowledge of Java craftsmanship, who can share

Back-end Developer to design, develop, and implement features for a blockchain-based social media platform. Requires 2+ years of Java and Kotlin experience, REST API development, and cloud provider familiarity.

Job Description:We are on the search for a talented React Native Developer to join our innovative team

Python Developer (for Market Finance) – M/F/D Societe Generale Apply to join our team.

Develop and integrate Microsoft Dynamics 365 solutions, including plugins, workflows, and custom business logic. Integrate Dynamics 365 with internal and external systems via APIs. Configure entities, fields, forms, and views to align with business processes. Troubleshoot issues and provide technical support. Collaborate with business analysts and stakeholders to gather requirements. Participate in Agile ceremonies.

Front-End Developer needed to design, implement, and maintain the company's e-commerce platform. Requires 3+ years of front-end experience, 1.5+ years with React, TypeScript, and related technologies. Experience with jQuery, SSR, Jest, React Testing Library, SCSS, and Styled Components is essential. Must have strong communication skills and knowledge of Docker and Kubernetes.

Develop and maintain the frontend of HRappka.pl using Vue.js and PHP. Collaborate with QA, find and fix bugs, and contribute to application improvements.

Senior Android Developer with 6+ years of experience building and enhancing Android architectures. Expertise in Kotlin, Coroutines, Kotlin Flow, Jetpack Compose, and UI/UX design for B2C apps. Strong understanding of software architecture patterns, Agile methodologies, and CI/CD. Excellent communication skills and fluency in English (B2+).

of technology and build a more sustainable, more inclusive world.YOUR ROLEAs a Microsoft PowerApps Developer

Software Developer Engineer, Internship Strategic Student Program, Poland 2026 Siemens Digital Industry

Key Responsibilities Design, develop, and maintain robust backend services using C#, VB.NET, and .NET