114 English-speaking jobs in Białystok

Middle/Senior Backend Engineer to architect and scale a modern Ads platform. Design high-performance backend systems and APIs for campaign management, targeting, delivery, and reporting. Collaborate with product, data, and partner teams to translate business requirements into technical solutions.

OverviewJoin Hostinger, and we’ll grow fast! We’re shaping the future of online success - powered by AI and driven by people. With 900+ talented professionals and over 5 million clients in 150 countries, we help creators and entrepreneurs bring their ideas to life faster and easier than ever before.

ServiceNow Architect needed to ensure the architecture and security of the ServiceNow platform, focusing on the Strategic Portfolio Management module. Lead technical direction, develop reusable components, and collaborate with business units to design and maintain scalable solutions.

Design, build, and maintain scalable infrastructure for performance testing in cloud environments (AWS, Docker, Kubernetes). Automate deployments and integrate testing processes into CI/CD pipelines (GitLab CI/CD). Build, configure, and maintain monitoring and observability solutions (Prometheus, Grafana, InfluxDB). Support performance engineers by enabling the execution of performance tests (Locust, Gatling, K6) and providing the necessary infrastructure.

Performance Tester to join a team of testers in Poland's largest Testing Services Center. Responsibilities include planning and implementing performance tests, building test environments, and analyzing performance data. Requires 4+ years of automated testing experience, 1+ year of performance testing experience, and proficiency in programming languages like JavaScript, Python, Scala, or C#.

Business Analyst will join consulting or implementation teams for IT projects within financial institutions, primarily insurance companies. Responsibilities include conducting business analysis, defining functional requirements, testing solutions, and supporting UATs. Must have a bachelor's degree, strong English skills (C1 level), and understanding of agile methodologies.

Develop and integrate Python-based AI solutions for international clients, focusing on LLMs, agentic architectures, and data-centric engineering.

Manages and coordinates internal and external resources for IT projects. Develops and implements project management plans and supervises project requirements. Provides project escalation management and supports customer Product Owner. Requires 5+ years of experience in a similar managerial role within IT and a valid certification (PRINCE2 Practitioner, PMP, or AgilePM Practitioner).

Analyzes and models project, portfolio, and operational processes. Designs and configures solutions in Jira Software and Jira Service Management. Supports PMO with project methodology and reporting standards. Translates business requirements into system configuration. Builds and maintains project, program, and portfolio structures in Jira and BigPicture. Creates dashboards and reports. Runs workshops with users, Product Owners, and Project Managers. Takes part in Jira Cloud and Data Center implementation projects. Cooperates with administrators and IT teams.

Technical Support Engineer will diagnose and resolve advanced technical issues across multiple programming languages, build environments, and deployment scenarios. This role requires strong knowledge of Java 11+, Atlassian SDK, and Atlassian Plugin Framework.

AI Practitioner needed to identify, design, and implement practical AI solutions. Responsibilities include workflow analysis, AI solution design, tool configuration, training, and documentation. Must have strong software engineering background, AI/ML fundamentals, and prompt engineering skills.

Lead the design and implementation of a global AI strategy for ERP (IFS Cloud) implementation projects and the entire organization. Develop AI use cases, establish AI governance, and integrate AI tools across all company functions.

Designs and develops Workday integrations with clients and team members. Analyzes client requirements and collaborates with third-party vendors to create solutions. Leads design workshops and ensures the use of appropriate Workday integration technology. Maintains client relationships based on trust and professionalism.

Experienced Project Manager needed for strategic banking initiatives. Manage scope, schedule, budget, and resources. Lead and motivate teams, ensure project documentation quality, and manage risks. Proven experience in the financial/banking sector (regulatory) required.

Participate in paid online and in-person market research studies. Complete surveys, focus groups, and provide product feedback. Must have a working camera, reliable internet, and the ability to follow instructions.

Senior Implementation Engineer to drive enterprise SaaS implementations for large organizations. Develop solutions, partner with stakeholders, and ensure successful onboarding. Requires 3+ years of experience in IT/OT software, strong technical skills, and excellent communication. Fluency in English is required.

Senior Full Stack Engineer to design and build scalable SaaS solutions. Develop robust backend services with Java, contribute to React-based interfaces, and collaborate across teams. Must have 4+ years of SaaS experience, proficiency in Java, React, and SQL, and knowledge of microservices architecture.

Senior .NET Engineer to design, implement, and enhance integrations and customizations within a product information ecosystem. Responsibilities include developing extensions using C#, .NET technologies, and collaborating with teams to deliver reliable solutions. Must have 5+ years of experience in software development using C#.NET, strong knowledge of .NET C# MVC and .NET Core, and experience with system integrations and InRiver PIM.

Senior Software Engineer / Architect will design software architecture, ensure code quality and compliance, and manage software work packages. Responsibilities include creating documentation, integrating AI/ML models, and collaborating with cross-functional teams. Requires a Bachelor's or Master's degree in computer science or related fields and at least 5 years of experience with Java 17+, Spring Boot, JUnit, Flyway, and Python.

Software Architect needed for design and development of scalable, high-performance software architecture for data integration, synchronization, and processing from sensors. Experience in real-time data processing systems, embedded/IoT systems, and large data handling is required.