backend developer English-speaking jobs in Świdnica

Provide Level 3 engineering support and ownership of the Microsoft security platform, including Defender, Sentinel integration, and Security Copilot. Resolve complex technical issues, perform deep root cause analysis, and implement approved platform and policy changes.

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible.

Senior Internal Auditor will execute financial, operational, compliance, and IT audits within the Europe Segment. Responsibilities include identifying and assessing risks, evaluating internal controls, and making recommendations for improvement.

Senior Mobile App Product Manager will own and drive the product roadmap for a European online car market app. Responsibilities include leading the product lifecycle, collaborating with cross-functional teams, and using data to inform decisions and optimize performance. Requires 5+ years of experience in mobile app product management, experience in marketplaces or e-commerce, and fluency in English.

Software Engineer on the Payment Operations team will design, develop, and ship internal systems and automation to ensure accurate and timely payment processing. Responsibilities include building reconciliation infrastructure, developing monitoring systems, and collaborating with Engineering, Product, and Finance to identify and resolve operational issues. Requires 3+ years of experience in a software engineering role with exposure to payment systems, backend services, or data pipelines, strong SQL skills, and familiarity with RESTful APIs.

Global IT Auditor will support 2-3 audits per year, performing walkthroughs, ITGC testing, and automated checks. Responsibilities include building and maintaining PowerApps, developing Power Automate flows, and building Copilot Studio bots for audit documentation and insights. The role requires 2-5 years of experience, understanding of audit workflows, and proficiency in PowerApps and Power Automate.

Lead Data Manager for clinical projects, ensuring deliverables are completed on time and in accordance with protocols and GCP standards. Requires a university degree or certification in a related field, fluency in English, and 2+ years of clinical data management experience.

Leads a team of engineers in the development and delivery of high-quality game features and systems for mobile and web casino games.

Technical Account Manager to support content partners (e.g., Netflix, Disney) with video application integration into Xperi's Smart TV and Automotive media platform.

Promote and sell Medtronic's coronary vascular products in southern Poland. Build relationships with healthcare professionals and hospital stakeholders. Provide educational sessions and conduct market research. Requires 5+ years of sales experience, 3+ years in medical devices, and proficiency in English.

Lead full-scope accounting operations in accordance with Polish Accounting Act and Group standards. Manage tax oversight, prepare financial statements, and support a 3-person accounting team.

Tango seeks a NOC Engineer to ensure production stability and user satisfaction. Responsibilities include incident management, system monitoring, troubleshooting, and knowledge base maintenance. Requires 3+ years of application monitoring or production support experience, familiarity with Prometheus, Grafana, Datadog, and strong communication skills.

Zoho Projects Consultant will manage client engagements, providing training, implementation, and custom development support.

Vessel IT Engineer provides IT support for a fleet of vessels and the Gdynia office. Responsibilities include troubleshooting, network administration, hardware deployment, and user support. Requires 5+ years of IT experience, knowledge of Windows Server, Microsoft 365, and networking concepts, and fluency in English.

Provide first and second-level IT support for Constantia employees worldwide via various channels. Diagnose, troubleshoot, and resolve hardware, software, and network issues. Manage user accounts and assist with software installations and updates.

Full Stack Engineer to develop AI-powered applications for healthcare. Expertise in Python (FastAPI/Django), PyTorch, LLM, LangChain, React (Typescript) and healthcare sector experience required.

Senior Database Administrator needed for managing, optimizing, and securing PostgreSQL and MySQL database environments. Experience with Terraform, Ansible, and Linux system administration is required. Auto failover, DNS management, and load balancing experience is crucial.

As a Fullstack Developer in the Post-Purchase-Experience Team, you will enhance customer service and post-purchase processes. You will write, test, and maintain code for frontend applications with Next.js/React and backend services in Golang. You will work with product managers, UX/UI designers, and other developers to implement new features and enhancements for the post-purchase process.

Provides technical advisory support for Active Directory services in OT/manufacturing environments. Reviews and assesses OT domain configurations, Group Policies, DNS, and access models. Supports troubleshooting and recommends improvements for stability, security, and operational efficiency. Collaborates with OT, infrastructure, cybersecurity, and site teams to ensure secure and compliant Active Directory services.

Manual QA Engineer will design and execute test cases, identify defects, and collaborate with developers and business teams to improve product quality. Experience in manual API and mobile application testing is required.