backend developer English-speaking jobs in Świdnica

Python Developer to build and maintain web and mobile application backends. Responsibilities include API design, server management, and troubleshooting. Requires Python scripting, Linux terminal familiarity, and API expertise. Node.js, database management, and Git experience are also needed.

Experienced Business Data Analyst needed to support reference data onboarding, governance, and management. Requires 5+ years of experience in Capital Markets / Banking, deep domain understanding of financial instruments, and hands-on experience with reference data systems and data modeling.

Develop UI components using React and Redux. Collaborate on real-time data solutions with WebSockets and REST APIs. Build responsive interfaces with CSS and component libraries. Participate in code reviews and testing.

Acts as a trusted advisor to clients, maximizing project profitability and supporting new business sales. Manages and develops a delivery team, overseeing project execution and ensuring client satisfaction. Requires experience in delivery, business, or client management roles within the professional services industry. Fluent in English and Polish.

Support the development and improvement of R&D systems, tools, and processes across Europe. Contribute to cross-functional projects and translate operational needs into solutions.

The Technical Product Owner translates business needs into technical solutions, owning the end-to-end delivery of a product module. You will work with engineering teams and vendors to ensure high-quality execution, driving sprint planning and delivery outcomes.

Business Systems Specialist needed to provide support, training, and data management for a new work planning system. Experience with application support, data handling, and enterprise systems is required. Strong communication and problem-solving skills are essential.

Senior Java Full Stack Engineer to design, develop, and deploy innovative applications using Java, Spring, and React. Full development lifecycle ownership, including architecture, DevOps, and TDD/BDD.

Leads and manages an engineering team focused on agent-based systems, driving the development and operationalization of next-generation agentic capabilities. Owns the design, development, and evolution of Neo's agentic platform components. Collaborates with product, AI research, cloud, and change teams to translate strategic needs into implementable solutions.

Investment Banking Associate for Central & Eastern Europe coverage. Assists on execution, marketing, and coverage for M&A, divestitures, and equity capital markets transactions. Requires investment banking or corporate finance experience, strong analytical and modeling skills, and fluency in Polish.

Solution Architect will investigate technical optimizations, coordinate development processes across seven teams, and evaluate front-end technologies. Requires 5+ years web development experience, 3+ years in architecture, and fluency in English. Deep understanding of Next.js, NodeJS, TypeScript, and Web performance is essential. Familiarity with Kubernetes, CMS Systems, and Commerce systems is a plus.

Senior Machine Learning / LLM Systems Engineer will scale and optimize large-scale ML and LLM systems. Responsibilities include designing and operating distributed training and inference systems, benchmarking AI workloads, and identifying performance bottlenecks. Requires minimum 5 years of experience with LLM models and Machine Learning workloads, strong experience with machine learning in production environments, and hands-on work with large-scale distributed ML systems.

Global Purchasing Indirect Lead for Software seeks a buyer with 5+ years experience managing software and SaaS in international environments. Responsibilities include leading sourcing processes, managing supplier relationships, and negotiating contracts. Must be fluent in English, French, and Polish.

WAYF is seeking a Full Stack Developer to join their team permanently. The role involves working with key clients on exciting projects using a modern tech stack including TypeScript, React.js, Next.js, and Node.js.

Junior SAP Fiori Developer to design, develop, and maintain SAP Fiori applications. Experience with ABAP RAP, CDS, ODATA, SAP Business Application Studio, and SAP Fiori Launchpad required. Minimum 1 year of experience with SAP Finance & Controlling (FICO) modules. Bachelor's or Master's degree in a related field. Strong English communication skills.

ETL / Integration Developer to design, develop, and maintain ETL workflows using IBM DataStage and Apache Airflow. Integrate banking applications and third-party systems using APIs. Develop data processing scripts using SQL and Python.

Financial Center Banker provides financial options to clients through a consultative approach. Conducts financial assessments, analyzes customer accounts, and offers personalized recommendations. Ensures compliance with banking regulations and delivers exceptional customer service.

Embedded Linux developer for the Linux team. Develops Linux vision and architecture for Power Grids products. Maintains Power Grids Linux solutions and tools. Requires 5+ years of Linux experience, Yocto Project knowledge, and scripting/programming skills.

Architect, implement, and optimize RAG pipelines for enterprise use cases in on-premises environments. Design retrieval mechanisms with generative models and fine-tune components for accuracy and low latency.

Senior Network Engineer to design, implement, and optimize complex enterprise network environments. Focus on project delivery, technical ownership, and network transformation initiatives. Requires 5+ years of experience, strong Cisco networking skills, and fluency in Polish and English.