backend developer English-speaking jobs in Elbląg

Senior Software Engineer to lead design and development of complex Android features for a platform used by millions. Drive technical solutions using Kotlin, Jetpack Compose, and media frameworks. Mentor engineers and shape platform architecture.

Electronics Project Engineer manages basic engineering projects for fire alarm control and detection certifications, focusing on UL and EN standards. Responsibilities include test program setup, technical reporting, and coordination. Requires an electrical engineering degree and fluent English.

LLM Engineer Freelancer to design, build, and integrate practical AI features into products. Requires strong software engineering skills (Python, Node.js, or Ruby) and experience with LLM APIs, RAG pipelines, and vector search.

Senior Embedded Linux Developer needed for industrial automation. Requires 5+ years in C, strong experience with Embedded Linux and Zephyr RTOS, and low-level ARM microcontroller development. Focus on firmware, communication, and security.

Financial Controller will oversee financial operations, ensuring regulatory compliance and supporting strategic decision-making. Responsibilities include reviewing financial records, monitoring accounts payable and receivable, conducting P&L reviews, and overseeing month-end and year-end closing processes. Requires 5+ years of accounting or finance experience, strong knowledge of accounting standards and tax regulations, proficiency in SQL, and advanced Excel skills.

Supervise a team providing Level 1 holistic support for Sabre Agency Workspace to B2B Travel Agents. Responsibilities include coaching, meeting KPIs, and driving operational improvements. Prior people management experience is required.

Experienced IT Application Manager to own OneStream and Group Reporting solutions. Manage application lifecycle, drive process improvements, and collaborate with Finance teams to ensure system stability and data accuracy.

Technical Consultant role requires 3-7 years experience. Responsibilities include managing customer relationships, translating complex requirements into scalable solutions, and leading technical implementations. Fluent English is mandatory.

Cybersecurity Project Manager role requires 10+ years of IT experience and 8+ years in a similar position. Must hold multiple cybersecurity and project management certifications. Focus is on managing the full project lifecycle.

Support Specialist needed to maintain and develop the ELO Digital Office platform. Responsibilities include system administration, resolving user issues, and creating scripts. Requires 5+ years with ELO, SQL knowledge, and strong English/Polish.

Senior QA Engineer develops test plans and cases for various testing types. Responsibilities include testing applications, providing usability feedback, and writing test automation code. Requires 3+ years in QA with programming experience in Python, Java, or C#.

Salesforce & Gen AI Builder to own end-to-end technical delivery for global operations. Requires 3+ years in Salesforce Admin/BA, Gen AI project deployment, API integration, and Apex knowledge. Fluent Polish and professional English are required.

Lead a team of 6 engineers to drive core features of the advertising platform. Oversee campaign management, guiding architecture from TypeScript frontend to Java/Kotlin backend. Requires full-stack leadership and strong business acumen.

Senior SAP HCM Full-Stack Developer to design, write, and maintain code for SAP HCM systems. Focus includes building Fiori/UI5 apps and ABAP/OData backend logic. Requires 5+ years in SAP development.

Design and maintain automated solutions for Windows server provisioning, patch deployment, and software installation. Troubleshoot complex issues across Windows Server 2012 to 2025. Requires expertise in PowerShell, Active Directory, and testing methodologies.

Programme Support Consultant requires fluency in Korean and English to provide programme support for IOM Poland's activities supporting refugees and migrants. Tasks include research, drafting documentation, and partnership support.

Solutions Architect, Marketing Technology to architect solutions for marketing tech platforms like Adobe Analytics and SAS. Requires 10+ years in software engineering, expertise in marketing tech, and skills in Java, cloud, and data warehousing.

Software Engineer - Data to build next-gen data infrastructure. Responsibilities include building agentic workflows, defining data models, and creating enterprise-grade data services using Python. Requires 3+ years in software engineering.

Lead Software Engineer (Java) to design and develop scalable backend systems. Focus on greenfield development, building REST APIs, and engineering microservices using Java 25 and Spring Boot. Requires Java fluency and a degree in a relevant technical field.

Java Developer sought for hybrid role. Requires proficiency in Java programming, software design patterns, and Agile methodologies. Strong analytical and communication skills are essential.