19 English-speaking jobs in Białystok

Senior .NET Engineer to design, implement, and enhance integrations, customizations, and automation within a product information ecosystem. Responsibilities include developing extensions using C#, .NET technologies, and collaborating with cross-functional teams. Requires a Bachelor's degree, 5+ years of C#.NET experience, and 2-3 years of system integration experience.

IT Systems Administrator to support corporate solutions based on RedHat, CentOS, Rocky, and VMware. Responsibilities include ensuring system availability, installations, deployments, and developing solutions for architecture, performance, and security. Experience with Puppet/Foreman, Ansible, virtualization, and network administration is required.

Accountant needed for full-time or part-time on-site role in Bialystok. Responsibilities include managing financial records, preparing financial statements, processing invoices, and ensuring compliance with financial regulations.

This role involves conducting live reports, preparing and presenting topics on air, and building a network of contacts and information sources.

Senior Data Scientist/AI Engineer specializing in Reinforcement Learning will design, deploy, and optimize RL environments for large-scale agent evaluation and experiments. Requires 5+ years software engineering experience in Python and 3+ years as a Data Scientist/Machine Learning Engineer.

Develop and maintain DPU drivers and networking software stacks. Integrate and optimize fast-path packet processing components. Debug and profile data path performance issues. Collaborate with hardware and firmware teams.

Lead and grow Hostinger's core Web Hosting product. Develop and execute product strategy, manage Product Managers, and ensure a clear roadmap aligned with company goals. Drive business growth through product innovation and customer-centricity.

Experienced Solution Architect needed for Teamcenter system integration project. Design and implement integration solutions in a PLM environment, collaborating with global project teams. Minimum 5 years experience with AIG products (T4EA/T4S/T4O) and 6 years in PLM, especially Teamcenter.

Analyze, measure, and optimize the performance of DPU-based systems. Develop and execute performance tests, identify bottlenecks, and collaborate with teams to drive optimizations.

Provides first-line legal support to business and support teams, including contract drafting, review, and negotiation. Supports compliance, GDPR, HR, and public tender processes. Collaborates with external law firms and assists with corporate matters.

Lead the development of modern web applications, crafting high-performance, scalable UI components using React. Drive technical decisions, mentor developers, and ensure best practices in code quality, accessibility, and performance.

Design, develop, and operate secure, scalable AI systems using object-oriented principles and cloud-native patterns. Build and deploy intelligent AI agents capable of autonomous reasoning and task execution. Integrate AI orchestration frameworks and leverage Azure AI services to create scalable AI-enabled applications. Collaborate with cross-functional teams to design interfaces and protocols for AI-agent collaboration.

Data Center Technician needed for freelance, on-site role in Białystok, Poland. Install, configure, and maintain server and network equipment. Perform structured cabling and hardware deployments. Monitor environmental systems and respond to incidents. Collaborate with engineering and operations teams.

Lead the technical design and architecture of distributed microservices using Python and AWS. Mentor an R&D team, drive architectural decisions, and contribute to backend development.

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 .NET Developer / Team Leader needed for a global IT consulting company. Develop and enhance applications using .NET / .NET Core (C#), design REST APIs, and work with databases (SQL, EF Core). Must have 7+ years of experience in .NET / .NET Core, excellent C# knowledge, and experience as a leader or tech lead.

Manual QA Engineer needed for web and mobile application testing. Responsibilities include creating test cases, executing tests, reporting issues, and collaborating with developers. Requires 2+ years of experience, knowledge of test design techniques, and proficiency in Postman, Swagger, Jira, and Confluence. Strong communication and teamwork skills are essential.

Python Developer will design, develop, and maintain scalable Python applications integrating AI/ML solutions. Responsibilities include building machine learning models, APIs, and data pipelines. Requires solid Python development experience, AI/ML libraries knowledge, and familiarity with APIs from leading LLM providers.

Kruko seeks experienced Ruby on Rails and Python developers to design, develop, and maintain backend applications. Requires 4+ years of experience with both Ruby on Rails and Python, including experience with RESTful APIs, multi-agent applications, and relational databases. Strong English communication skills are essential.