backend developer English-speaking jobs in Świdnica

Tech QA Analyst needed to conduct comprehensive testing and verification of new game and engine features. Collaborate with programmers to validate code changes and develop test cases, test suites, and test plans. Analyze test results, identify root causes of issues, and provide actionable insights. Requires proven experience as a Tech QA Analyst and strong knowledge of testing methodologies and game engines.

Senior Relationship Manager will oversee onboarding, integration guidance, and retention for Tier 1 clients. Responsibilities include leading client kickoff calls, identifying cross-sell opportunities, and providing feedback to leadership on client needs. Requires 5+ years of experience in sales or relationship management within the cards and payments industry, with a focus on fraud and dispute management.

Senior Java Engineer to design, develop, and maintain backend services for a next-generation endpoint protection platform. Collaborate in an Agile environment, leveraging AI-assisted development tools. Requires 5+ years of experience in Java, distributed systems, microservices, cloud platforms (AWS/GCP), and Kubernetes.

Software Development Engineer III will design, implement, and maintain software solutions to improve service performance, durability, cost, and security for Trainium and Inferentia. Collaborate with cross-functional teams to influence business decisions and automate processes. Requires 5+ years of software development experience, including design and architecture of new and existing systems. Experience in the Generative AI space is required.

Freelance Data Center Technician needed for on-demand support of global data centers. Responsibilities include hardware installation, troubleshooting, network management, and documentation. Requires 3+ years of experience in data center operations, expertise in Cisco and Juniper networking devices, and proficiency in Windows and Linux systems.

Senior Business Analyst to join a global tech company. Gather, analyze, and document business requirements. Translate goals into user stories and use cases. Collaborate with product managers, developers, and designers. 5+ years of experience as a Business Analyst in software development required. Strong communication and stakeholder management skills.

Junior Frontend Developer program (July 2026 start) focused on building e-commerce applications with React or Angular. Learn AI integration, collaborate with teams, and gain experience with Node.js, cloud platforms, and databases. Solid frontend fundamentals, JavaScript, TypeScript, and RESTful APIs required. Communicative English and Polish.

Develop, customize, and test SAP Manufacturing objects. Provide 2nd line functional manufacturing support. Create system documentation and support user training programs. Collaborate with business stakeholders.

Golang Developer with 2+ years of experience in Golang and Kubernetes development. Develop and maintain scalable code, design Kubernetes applications, and collaborate with teams on new features.

Support recruitment team by managing job postings, applications, and social media. Strong English (C1 level), communication, and organizational skills required. Bachelor's degree or higher.

Manage end-to-end recruitment processes for entry-level gaming roles. Source candidates, analyze data, and partner with hiring managers. Requires 1+ years of experience, data analysis skills, and fluency in English (B2) and Polish (C1 or native).

Test Automation / Manual Tester with expertise in storage domain, hardware validation, and debugging. Responsibilities include system validation, performance optimization, and conducting manual and automated tests on Linux & Windows systems. Requires strong programming skills in .NET/C# and Python, experience with HLK Validation, and knowledge of storage protocols and file systems.

Java Engineer needed for full-time position (40 hours/week) with a British retail company. Requires 4-5 years of experience delivering Java solutions, strong Spring Boot knowledge, microservice architecture experience, and SQL database expertise. Must have Kubernetes, Helm, CI/CD pipeline, and Azure platform experience. Agile methodologies and collaboration tools experience is also required.

WhitePress® seeks an Influencer Marketing Intern to analyze the influencer landscape, identify influencers, and negotiate campaign terms.

Backend Developer (Java) to design, code, and lead functional deliverables for data processing solutions applications. Requires 5+ years of Java experience, microservices knowledge, and strong problem-solving skills. Bachelor's degree in Computer Science, Math, or related field. Experience with AI-assisted development tools is a plus.

Product Owner to own and accelerate the growth of the eSIM product, defining and executing the roadmap, optimizing the user journey, and collaborating cross-functionally to scale performance.

RE Partners seeks Senior Java Engineers to develop innovative software solutions. Successful candidates will have deep Java expertise (Concurrency, JVM, JMM), experience with Kafka, Oracle/MongoDB, and Multithreading. Strong Kubernetes skills and experience building Kubernetes operators are highly desired.

The Shift Lead oversees daily Product Support team activities, manages escalated support issues, and ensures smooth operational transitions. This role monitors service levels, advises management on support needs, and manages employee schedules.

About Comrade Digital MarketingWe are a mid-sized marketing company established in 2008 and headquartered in Chicago. We provide search marketing services, namely SEO, GEO, PPC, web design and development. And we do it well! We have an amazing team with very low turnover because we all love it here.

We are a young, dynamic team driven by collaboration and a shared commitment to results. We thrive in a fast‑paced environment and value open communication and teamwork. What awaits you?