backend developer English-speaking jobs in Świdnica

Keycloak Expert needed for architecture design, installation, and configuration on Red Hat Enterprise Linux. Requires deep expertise in Keycloak client configuration, token lifecycle management, and integration with identity providers and enterprise directories.

Support international accounting processes and financial reporting using cutting-edge systems. Verify, post, and analyze invoices and AP documents. Collaborate with vendors and accounting departments.

Operational Finance Assistant supports intercompany accounting processes, including reconciliation, payments, and reporting. Requires a finance or accountancy degree, advanced Excel skills, and fluency in English (B2 level).

Experienced Database Administrator (Db2) to support enterprise databases in hybrid environments. Focus on maintaining, optimizing, and migrating Db2 databases while ensuring high availability and security.

Leads and supports tender, study, and pre-engineering activities within Controls & Automation. Ensures high-quality technical delivery, supports project start-up and execution, and provides technical leadership to engineering teams.

Lead the AI Engineering Lab, architecting and deploying multi-agent systems to automate engineering workflows. Drive technical excellence by implementing high-standard code and mentoring peers. Evaluate and prototype LLMs, transforming theoretical advancements into production-ready tools. Own the full development lifecycle, from concept to production deployment.

Leads end-to-end talent acquisition (TA) transformation across processes, technology, and operating models. Designs future-state TA strategy, roadmap, and maturity improvements.

Trademarkia seeks a Poland-based Paralegal to support UK trademark filings and legal operations. This role involves preparing legal documents, coordinating filings, and maintaining accurate records. Strong organizational skills, attention to detail, and experience with AI tools are required.

Product Manager will shape the future of Ziflow's product, translating customer and market insights into actionable requirements. Responsibilities include gathering user needs, defining product strategy, and collaborating with cross-functional teams to deliver and iterate on features.

Technical Product Manager will develop new data products for Sensor Tower's mobile intelligence platform. Responsibilities include defining technical requirements, collaborating with engineering and data science teams, and communicating product details to various stakeholders. Requires 7-8 years of experience in data roles, preferably at a SaaS company, mobile, or F2P gaming company. Experience with AI and BI industry players is essential.

Software Engineer to design, build, and maintain enterprise-grade applications using Angular 20+, ASP.NET Core (.NET 9+), and cloud-native technologies. Requires expertise in Azure AD, MSAL, Entity Framework Core, SQL Server, Docker, Kubernetes, and CI/CD.

Senior Data Engineer to lead the retirement of Talend Open Studio and redesign data integration architecture using ELT principles. Experience with Snowflake, dbt, and Git-integrated data workflows required.

Senior Backend Engineer will design, build, and maintain scalable backend systems using Node.js, TypeScript, MySQL, Redis, and ElasticSearch. Collaborate with product, design, and engineering teams to deliver solutions aligned with product goals. Mentor other engineers and contribute to continuous improvement of engineering practices. Requires 5+ years of software development experience with a proven track record of delivering end-to-end backend solutions. Must have deep expertise in Node.js, TypeScript, and relational databases (particularly MySQL). Excellent written and verbal communication in English is required. Must be based in Copenhagen or elsewhere in the EU with legal authorization to work.

Data Architect will lead data storage strategy and design for a multi-product SaaS platform. Requires strong knowledge of AWS OpenSearch/Elasticsearch, relational and NoSQL databases, and cloud technologies. Experience with SaaS, multi-tenant environments, and operational excellence is needed.

Senior Logistics Systems Specialist will analyze SAP EWM process flows, develop optimization ideas, and implement technical solutions. Provides support for change processes, manages tests, and processes change requests. Collaborates with project partners, creates documentation, and trains SAP key users globally. Requires a degree in Business Informatics or related field, experience in logistics, and strong SAP WM/EWM knowledge. Fluency in Polish and English is required.

Support the development of machine learning solutions across data preparation, training, inference, and evaluation. Contribute to use cases in computer vision, forecasting, classification, and related analytics workflows.

Delivers exceptional guest service, builds relationships, and creates a welcoming atmosphere. Requires minimum two years of experience in a 4/5 star hotel, excellent Polish and English communication skills, and strong problem-solving abilities.

Collections Specialist with native Italian fluency required to manage customer ledgers, meet collection targets, and collaborate with OpCos and HGSS teams. Experience in Order to Cash/Customer Service, SAP, and Excel is essential.

Android Developer needed for a project developing a mobile banking platform with a focus on secure identity and authentication features. Responsibilities include designing, building, and maintaining Android capabilities, developing reusable SDKs, and translating business requirements into technical designs. Must have 4+ years of experience in native Android development with strong Kotlin proficiency and experience with modern Android architectures and tools.

Senior Software Developer will develop, maintain, and enhance applications using C#/.NET. Collaborate with architects, engineers, and product teams to deliver business-critical functionality.