backend developer English-speaking jobs in Świdnica

Design, implement, and maintain enterprise-grade network infrastructure in Data Center and cloud environments. Architect and integrate AWS networking solutions, ensuring high availability and security.

QA Automation Engineer will build, develop, and maintain automated tests using Java, Selenium WebDriver, TestNG, and Maven. Responsibilities include converting manual test cases into automated scripts, testing UI and API layers, and integrating tests into CI/CD pipelines. Requires 4+ years of test automation experience, 3+ years of Java experience, and proficiency in Selenium WebDriver, TestNG, and Maven.

Senior Data Science / AI Engineer to design, build, and scale advanced AI systems, with a focus on LLM-powered applications. Requires 5+ years of experience, strong Python skills, and expertise in production-grade systems, LLMs, and NLP.

Java & API Developer will deliver engineering expertise for payment processing capabilities, focusing on highly available and resilient software. Responsibilities include designing APIs, developing microservices, and collaborating with DevOps teams. Requires 8+ years of Java experience, expertise in cloud technologies, and experience in financial institutions.

Java API Developer with 8+ years of experience in back-end microservices, application security, and authentication. Expertise in JVM tuning, distributed systems, and cloud technologies. Strong SQL skills and experience in financial institutions preferred.

Lead a global initiative to digitalize People Management processes and unify employee data management at Knauf. Manage project design, planning, implementation, and hypercare phases, ensuring stakeholder expectations are met. Facilitate communication between the project team and stakeholders.

Senior Mainframe Application Support Engineer needed for BizDevOps SAFe Agile team. Focus on application maintenance, lifecycle management, incident and problem management. Requires deep z/OS experience, DB2, JCL, TWS/OPC, payments processing knowledge, and strong English skills.

Leads a centralized User Acquisition department delivering UA-as-a-Service to product teams. Defines and owns the overall UA strategy across all platforms. Manages and mentors a team of UA Managers. Oversees large-scale budget management and develops strategic growth plans. Collaborates with product, creative, and data science teams.

Engineering Manager for Site Reliability Engineering will own the SRE roadmap, drive infrastructure evolution, and advocate for developer experience. Lead a team of 4-6 SRE engineers, contribute to architectural discussions, and manage compliance and security for the business unit. Requires hands-on SRE or infrastructure engineering experience, cloud-native infrastructure knowledge, and experience managing engineering teams.

Insight Analyst will partner with internal and external stakeholders to deliver insights and recommendations based on research and sales data. Responsibilities include building relationships, analyzing data to understand category and brand performance, and creating presentations for clients.

Develop and maintain .NET solutions, participate in full software development lifecycle, and contribute to code reviews and testing. Requires 2+ years of .NET experience, proficiency in C#, SQL and NoSQL databases, and familiarity with microservices architecture and Angular.

Senior Business Analyst to drive development of a user-facing desktop application. Collaborate with stakeholders, analyze requirements, and guide development. 5+ years of BA experience, Product Owner experience, and excellent English communication skills are required. Experience with complex web applications, HCI/ergonomics, and collaboration tools is essential.

Maintenance Manager responsible for ensuring the operation and maintenance of all machines and equipment. Manages maintenance and repair processes, implements TPM systems, and plans preventive maintenance activities. Requires experience in a manufacturing environment, team management, and technical knowledge of mechanics, electrics, pneumatics, and industrial automation.

Senior Product Manager will lead end-to-end product strategy and execution for scalable SaaS solutions. Responsibilities include managing product lifecycle, specifying market requirements, analyzing the competitive landscape, and driving product solutions from planning to release. Requires proven end-to-end product ownership, 4+ years of experience with product discovery, roadmap, and MVP definition, and strong stakeholder management.

The Director, Medical Writing provides leadership and strategic direction for clinical regulatory documents. This role ensures quality and adherence to standards for documents authored by internal and external writers. The Director collaborates with the Medical Writing team and other functional areas to drive best practices and innovation.

Data Analyst – Finance Reporting Team As our Data Analyst, you will play a key role in modernising Coty’s global Finance reporting landscape, designing intuitive dashboards and analytics that enable accurate, timely, and data‑driven decision‑making across the organisation. The Role Design, develop, and deploy global Finance dashboards supporting Actuals, Forecasts, and performance insights.

Develop new business relationships and accounts within the Gaming industry. Source and close clients through direct sales, managing the entire sales process from lead generation to account ownership.

Full Stack Engineer needed to build, extend, and maintain systems supporting core business processes. Experience with Node.js, TypeScript, React, NestJS, and PostgreSQL required. Must have 3+ years of commercial experience and be fluent in English and Polish.

Senior backend-first product engineer to build and scale an AI-powered cost intelligence platform. Design, build, and productionalize AI-enabled features, collaborating closely with product to turn vision into shipped features.

Workday Administrator to design, maintain, and optimize Talent Management, Learning, and Peakon Employee Voice systems. Responsibilities include configuring business processes, managing learning content, ensuring data security, and providing user support. Requires 3+ years of Workday experience, proficiency in Talent Optimization, Learning Management, and Peakon, and strong analytical and communication skills. Fluency in English is required.