5777 backend developer English-speaking jobs in Poland

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

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

Develop a distributed debugger for complex production environments, working in multi-cloud and on-premises settings. Collaborate with Product Managers, Architects, and a mature development team.

Software Engineer (C++) to support GPU infrastructure for a global tech company. Responsibilities include library integration, debugging, build maintenance, validation, and automation. Requires strong C++, Linux systems programming, and analytical skills. Must be based in Europe.

Paid 3-month JavaScript internship for a front-end team member. Develop innovative digital products, maintain ongoing projects, and contribute to internal product development. Requires a computer science or related degree, JavaScript programming experience, and B2 English proficiency.

Develop intelligent agents, including perception, reasoning, and action execution modules. Design scalable architectures for agentic systems and integrate machine learning models to enhance agent capabilities. Automate tasks, optimize workflows, and solve real-world problems.

CyberArk Architect will design and implement CyberArk solutions, develop governance frameworks, and provide architectural and technical leadership for projects. Responsibilities include translating business requirements into technical specifications, ensuring compliance with regulatory standards, and mentoring junior architects. Requires 10+ years of experience in IAM/PAM architecture and compliance management with a CyberArk certification.

sponsors to ensure a high-quality platform meeting the needs of a global trading business.As a Senior Developer

Lead and execute enterprise IT projects focused on Power Platform solutions. Design business solutions, translate requirements into technical designs, and provide technical expertise. Supervise platform projects and portfolios from an architectural perspective.

Senior Flutter Developer to design, develop, and improve platform components. Requires 3+ years mobile development experience (Android or iOS) and 2+ years Flutter experience (1+ released app). Solid Dart, mobile architecture, OOP/SOLID, REST, and CI/CD knowledge needed.

Salesforce Developer II will implement functionalities in the Salesforce system, ensuring quality and consistency of solutions. Collaborate with the testing team and support maintenance in resolving issues. Must have 3-4 years of experience with Salesforce platform, including Sales Cloud, Service Cloud, Experience Cloud, and Lightning Platform. Proficiency in Apex, Lightning Components, and integrations with third-party systems is required.

Develop software for innovative game titles using C++17 standards. Implement advanced graphical effects and collaborate with international designers.

Designs and develops integration solutions using Oracle Integration Cloud (OIC), including scheduled orchestration, app-driven flows, and file-based integrations. Develops integration logic using REST/SOAP APIs, XSLT, JavaScript, and OIC adapters. Configures connections, mappings, fault handling, and security policies in OIC. Performs unit, system, and end-to-end testing of integrations. Creates technical design documents, interface specifications, deployment plans, and user guides.

contract: Contract of employment Salary range: 13800 PLN gross-21200 PLN gross As a Senior Android Developer

CyberArk Architect to design, implement, and govern CyberArk solutions, ensuring compliance with standards like DORA. Requires 10+ years of IAM/PAM experience, CyberArk certifications, and strong stakeholder management skills.

Experienced Xamarin Developers needed to create mobile applications for sports performance analysis. Must have strong C# skills and experience designing and executing mobile app projects. Experience with OOD, Agile Development, Scrum, Unit Testing, Design Patterns, and Continuous Integration is a plus.

Develops and deploys AI systems and workflows, including DAISY (Dentons' internal AI system) and Microsoft's AI suite. Designs AI functionalities, automates processes, and collaborates with teams to implement AI solutions.

Senior Android Developer needed for a banking project in Warsaw, Poland. Responsibilities include implementing new Android functionalities using Kotlin, resolving issues, and ensuring high quality through unit testing. Requires minimum 4 years of experience developing Android apps, strong Kotlin skills, and knowledge of Android SDK, Jetpack Compose, and design patterns.

Assists in designing, developing, and implementing Salesforce applications. Supports all phases of development, testing, and deployment. Provides technical assistance and troubleshooting. Requires Java knowledge, basic understanding of Git, JavaScript, CSS, HTML, and the Salesforce Platform. Fluency in English is required.