backend developer English-speaking jobs in Świdnica

Senior AI Backend Engineer will design, build, and operate production-grade APIs and integrations for AI and GenAI solutions. Responsibilities include building backend infrastructure, integrating with LLMs and data pipelines, and ensuring reliable delivery to end users. Requires expertise in Python, API development, AI productization, data persistence, cloud platforms, and DevOps practices.

Perform end-to-end R2R activities including journal entries, accruals, reconciliations, and monthly, quarterly, and annual closing activities. Support the transition and stabilization of R2R processes into a newly established SSC.

Data Analyst will design, implement, and develop analysis, tools, and reports for Visa's internal clients. Responsibilities include analyzing, cleaning, and visualizing data sets, creating reports, and collaborating with stakeholders to provide data-driven insights. Requires 4+ years of experience applying analytical and statistical solutions to business problems, proficiency in SQL, Excel, and BI tools, and intermediate knowledge of Python.

Senior Backend Engineer to design, develop, and maintain scalable systems using Java, Spring Boot, and Postgres. Experience with REST APIs, microservices, and TDD/DDD is required.

Design and develop AI-powered applications using LLMs and cloud services. Collaborate with business teams to translate requirements into technical solutions. Implement MLOps workflows and CI/CD pipelines.

Senior Software Engineer to join a fast-growing team focused on Tripadvisor.com, mobile apps, and supporting infrastructure. This full-stack role requires backend experience with some front-end projects. The team uses Java, React, TypeScript, GraphQL, Kubernetes, SQL and NoSQL databases, and AWS.

Develop and maintain applications based on Guidewire ClaimCenter. Collaborate with development teams and technical stakeholders. Design, implement, test, and maintain software solutions. Ensure software quality, optimization, and long-term maintainability.

Experienced Android Developer needed for a dynamic team. Design, build, and maintain a comprehensive mobile application platform. Collaborate with cross-functional teams and integrate with external data sources.

Manage IT contracts end-to-end, including planning, drafting, negotiating, and executing changes. Oversee obligations, deliverables, financial management, and agreement changes throughout the contract lifecycle. Drive risk management activities and regulatory compliance. Provide contract expertise and guidance to stakeholders.

The Clinical Specialist implements customer-focused solutions, provides HCP consulting and clinical support, and delivers product and educational trainings. Requires fluency in Polish and English, a nursing certification with 3+ years experience, and 4+ years in medical/clinical roles.

Program Manager to lead technology projects, coordinate with business experts, architects, vendors, and developers. Manage a team of up to 10 people, mentor team members, and contribute to global staffing strategy.

SAP SCM Inhouse Consultant supporting and improving forecasting and demand planning processes. Maintains and validates planning data, ensuring correct information flow between SAP ECC and planning tools. Requires strong understanding of supply chain planning concepts, MRP parameters, and SAP master data. Collaborates with demand planners, supply chain teams, and the SAP Inhouse Team.

Senior Market Development Specialist will build market insights, engage with stakeholders, support tender processes, and collaborate with distributors. Requires 2-4 years of experience in market development, technical sales support, or related roles. Proficiency in English and French is required. Travel up to 25% is expected.

Software Engineer interns will develop and enhance applications supporting asset management functions. Interns will gain exposure to AI, machine learning, big data, and cloud computing. Strong programming skills in Python, Java, C++, or similar, along with experience with front-end web technologies and software development methodologies are required.

SAP PLM Consultant (S/4HANA) will analyze business requirements, design solutions, and manage implementations for Schaeffler's Order Generation and Launch Management Processes.

Senior HPC Cluster Administrator to design, deploy, and maintain large-scale GPU compute clusters for deep learning workloads. Responsibilities include infrastructure lifecycle management, storage solutions design, automation, job scheduling, observability, and collaboration with software and research teams. Requires 5+ years of experience in deploying and administering HPC or ML training clusters, deep Linux systems administration expertise, and strong scripting and automation skills.

Experienced HR Specialist to support HR administration, time management, and employee experience. Ensures compliance with Polish labor law and internal policies. Provides guidance on HR topics and working time regulations. Minimum 5 years of HR Operations experience in Poland required. Strong knowledge of Polish Labor Code and HR administration processes. Excellent communication and problem-solving skills.

Mechanical Product Implementation Engineer needed for product development, tooling design, and new product implementations in an R&D environment. Requires 5+ years of mechanical design/R&D experience, 3D CAD and PDM proficiency, and knowledge of NPI, testing, and validation processes. Must have strong analytical skills, technical documentation experience, and English language proficiency (B2 level).

Develop and maintain scalable backend applications and APIs using Java and modern frameworks. Create REST-based integrations, ensuring reliability and scalability. Participate in architecture discussions and contribute to technical design decisions. Troubleshoot production issues and optimize performance.

Lead and grow a team of engineers, driving a quality-first engineering culture across the release lifecycle. Own automated systems that turn game submissions into actionable readiness signals. Foster an inclusive, high-performing environment and contribute to the broader Games strategy.