backend developer English-speaking jobs in Świdnica

Drive market entry and growth for a global leader in renewable energy electrical solutions. Lead new business development across Northern and Central Europe, focusing on wind power and electrical industries. Build a client portfolio from the ground up and secure strategic partnerships.

Lead and support a Localization Tech engineering team focused on dialogue authoring and pipelines in Unreal Engine. Collaborate with designers, writers, and project managers to deliver top-quality dialogue experiences. Manage processes and team to support multiple projects.

DevOps Engineer will plan and implement automated pipelines and workflows for MLOps on Databricks. Responsibilities include extending unit tests, ensuring robust code development, and supporting product development. Requires fluency in English and Polish, strong software development experience, and expertise in Azure Databricks, including Unity Catalog, Delta Lake, MLflow, Databricks Workflows, and Lakehouse monitoring. Successful deployment of ML projects in production environments using Databricks is also required.

InPost seeks a skilled AI Principal Java Software Engineer with experience integrating Generative AI (GenAI) models, such as Large Language Models (LLMs), into business applications. This role involves designing, implementing, and deploying AI-enhanced applications, focusing on microservices, cloud-native systems, and API development. Responsibilities include leading the technical architecture, collaborating with stakeholders, and mentoring engineering teams.

Python Data Developer will design, develop, and maintain microservices using Python and FastApi. Responsibilities include database management, task workflows, API development, AI service integration, and collaboration with cross-functional teams. Requires expertise in Python, PostgreSQL, distributed systems, and containerization technologies.

Frontend Engineer will build and evolve frontend features using React and TypeScript. Collaborate with backend engineers to design and consume APIs. Own features end-to-end, from design and implementation to testing and maintenance. Improve frontend architecture and code quality.

Head of Partnerships will design and launch a structured partner program, define KPIs, and build a mature partner ecosystem across Europe. Experience in open-source models and C-level stakeholder engagement is required.

The Karol Szymanowski Academy of Music in Katowice is seeking a Rector. Applicants must have a Master of Arts degree and significant teaching achievements.

Research & Innovation Engineer will lead 6G research projects, focusing on LiquidRAN™ technology. Responsibilities include designing and validating 5G/6G algorithms, contributing to network digital twin platforms, and conducting simulations. Requires a Master's degree in a relevant field and experience in 5G networks and 6G research trends. Strong Python scripting skills are required, and Matlab and C/C++/Java knowledge are beneficial.

Provides comprehensive support to the client Merchandising team with a focus on Spaceman. Develops, builds, and maintains product databases and planograms. Reviews planogram performance and space allocations. Supports National Buying with the annual commodity review.

Senior DevOps Engineer to develop and maintain DevOps tools, support SaaS Operation & Product Development, and contribute to the strategic SaaS platform development deployments. Responsibilities include developing automation tools, handling application releases, conducting root cause analysis, and onboarding new products.

Experienced Accounting Manager / Finance Manager to lead accounting, financial reporting, and compliance activities in Poland. Ensures accurate statutory reporting, tax compliance, and internal controls while supporting cross-border activities. Manages local tax filings, interacts with external authorities, and provides accounting expertise to support operations.

Senior Android Engineer to design, develop, and maintain high-quality Android applications using Kotlin and Kotlin Multiplatform. Responsibilities include writing unit tests, managing platform dependencies, and collaborating with product managers and designers. Requires at least 5 years of experience developing Android apps, strong Kotlin knowledge, and experience with architectural design patterns.

Software Architect needed for large-scale enterprise platforms. 5+ years of commercial software development experience required, including 2+ years as a Software Architect or Technical Lead. Strong knowledge of .NET, C#, .NET Core, Web APIs, relational databases, and cloud-based solutions. Experience with Agile/Scum teams, CI/CD pipelines, and communication with technical and non-technical stakeholders. Define system architecture, design technical solutions, and collaborate with stakeholders.

Experienced leader to manage and grow a 100+ person international service and maintenance team. Full P&L responsibility for the division. Develop and implement service strategies, manage KPIs, and support sales activities. Proven experience in service operations, P&L management, and leading geographically dispersed teams required. Fluency in English is essential.

Senior Machine Learning Engineer will focus on expanding AI infrastructure to automatically select cost-efficient and high-performing large language models (LLMs) for Kubernetes. Responsibilities include analyzing LLM performance, optimizing token usage, and designing and implementing AI-related infrastructure decisions. Requires 5+ years of experience in Data Science and Machine Learning, strong Python skills, and expertise in ML inference optimizations.

Software QA Engineer will own mission-critical domains of the First Connect Rater, including Quote Connector, Quote Binder, and Appetite Finder. Responsibilities include collaborating with the Engineering Team, partnering with Product Managers, and working with SDETs to expand automated test coverage. The role requires 2-4 years of experience, working knowledge of backend and technical tooling, and a comfort with dynamic environments.

Support executive sales leadership in a fast-paced global SaaS company. Analyze data, suggest improvements, drive project planning, prepare presentations, and support sales processes. Collaborate with cross-functional teams and gain exposure to core business operations and strategy.

Senior Site Reliability Engineer to design, implement, and maintain reliable, scalable cloud services. Collaborate with development teams, define SLOs, and drive automation and observability best practices.

Senior Ruby on Rails engineer contractor needed to build and ship MVPs end-to-end. Requires 8+ years of experience with Ruby on Rails in production, proven track record of shipping MVPs, and strong experience building or integrating PWAs. Solid frontend fundamentals (HTML, CSS, JS) are essential.