backend developer English-speaking jobs in Olsztyn

Our mission as a company providing IT services is to provide our clients all over the world with the best solutions. We manage to do this by analyzing the needs of our clients and matching them to the skills and aspirations of our employees. Therefore, one of our main motivations is to provide each Employee and Consultant with a satisfying experience.

Delivery Director for a growing AI Portfolio, managing up to 100 FTEs. Requires 10+ years of software engineering experience, 5+ years in technical or delivery management, and experience leading globally distributed teams. Strong understanding of SDLC methodologies, data pipelines, and AI/ML integration concepts is essential. Proven experience managing large-scale AI/Data/Cloud platform programs is required.

The Strategic IT Procurement Manager is responsible for procurement and strategic management of IT equipment, including supplier management, contract management, cost optimization, and stakeholder communication.

Senior Technical Expert will lead the evolution of Altimi's Data Marketplace, transitioning from a modular monolith to a microservices ecosystem. Responsibilities include architectural design, Java development, AI integration, data stewardship, and cloud infrastructure management.

Support business users during SAP FI/CO S/4HANA migration testing. Validate financial processes, identify inconsistencies, and report test results. Minimum 2 years experience as a SAP FI/CO Key User (S/4HANA) required.

Senior Engineer responsible for the design and delivery of secondary engineering systems for High Voltage Substations. Focus on protection, control, automation, and communication systems. Requires 4+ years of experience in secondary systems engineering for HV/EHV Substations and experience delivering secondary design packages for EPC/Design-Build projects.

Leads the design and development of analytics solutions for Talent Acquisition, including reports, dashboards, and analyses. Analyzes sourcing channel effectiveness and develops integrated analytics linking Quality of Hire to channel performance.

Senior Java Developer to build and optimize scalable microservices for fintech products. Requires 5+ years of backend development experience with Java (Java 11+), Spring Boot, REST APIs, and microservices architecture. Solid understanding of SQL (PostgreSQL preferred), messaging systems (Kafka or RabbitMQ), CI/CD, containerization (Docker), and cloud platforms (AWS/GCP).

Senior ServiceNow Developer with 8+ years of experience needed for end-to-end HAM Pro and SAM Pro implementations. Must have strong JavaScript skills and experience with CMDB, Discovery, Agent Client Collector, Flow Designer, REST APIs, and IntegrationHub.

Software Engineer (Backend) will design, develop, and maintain core backend services for a scalable, microservices-based IoT device management platform. Requires proficiency in a JVM language (Java or Scala), secure software development practices, and data storage technologies.

Workplace Strategy Consultant to partner with clients, define workplace objectives, and develop tailored strategies. Synthesize data, identify insights, and develop compelling presentations for C-level stakeholders.

Leads the BD Operational Support Centre of Excellence, providing global operational support to BD teams. Manages a team to deliver process support, data management, and coordination for pitches, matters, and marketing initiatives.

Leads and matures enterprise vulnerability and exposure management across IT, cloud, applications, and operational technology environments. Manages the vulnerability lifecycle, including discovery, assessment, prioritization, remediation tracking, and validation. Leads and mentors a team of security engineers and analysts. Requires 7+ years of IT Security Management experience, strong cloud security knowledge, and experience leading technical teams.

The Safety Data Lead analyzes and interprets adverse event reports, ensuring compliance with regulations and internal processes. They manage case activities for investigational and marketed products, collaborating with stakeholders to resolve issues and optimize processes.

Drive BI development and serve as a trusted contact for financial stakeholders. Build and enhance BI solutions using SAP BW/4HANA, SAP Datasphere, and SAP Analytics Cloud. Support BI migration projects and rollouts within the financial domain.

Manage end-to-end recruitment processes for assigned European markets. Partner with Hiring Managers, drive recruitment projects, and ensure excellent candidate experience.

Experienced Python Developer sought to design, develop, and maintain scalable backend applications and AI-powered solutions. Responsibilities include building RESTful APIs, microservices, and integrating LLM technologies (OpenAI, GPT). Requires 5+ years of experience in Python, relational databases (SQL/Alchemy), and AI development.

As a Application Security Engineer, you will manage the vulnerability lifecycle, lead dynamic testing efforts, and secure multi-cloud and on-premise environments. You will partner with DevOps to embed security in infrastructure-as-code and container deployments. You will also act as a technical expert, guiding developers on secure coding practices.

Financial Reporting Analyst needed for a leading telecommunications company. Fluent in French and English required. Experience in finance, controlling, or accounting with strong Excel and PowerPoint skills. Knowledge of Power BI / Power Query is a plus.

UX/UI Developer to design and implement user interfaces. Requires 2+ years experience, proficiency in Figma, HTML, CSS, JavaScript, and a JavaScript framework (React, Angular, or Vue.js).