178 English-speaking jobs in Białystok

Analyze, measure, and optimize the performance of DPU-based systems. Collaborate with teams to define benchmarks, identify bottlenecks, and guide optimizations. Develop and execute performance tests and analyze system behavior under high-load scenarios.

Develop and maintain Linux kernel modules and device drivers for next-generation network switch platforms. Bring up new hardware boards and debug low-level boot issues. Work with hardware and firmware teams to validate system integration.

Design and implement automated test suites for switch software and firmware. Develop Python-based testing frameworks for functional and performance testing.

Develop and optimize LLVM-based compiler backends for programmable network switches. Integrate P4 frontend with LLVM IR generation and custom targets. Implement compiler passes for latency and power optimization.

System Validation Engineer will design, develop, and execute functional and performance tests for Data Processing Unit (DPU) hardware across all project stages. Collaborate with architects, hardware, and verification engineers to ensure DPU features operate as designed.

Senior Backend Engineer to design, develop, and maintain payment processing services using JVM technologies in a cloud-native environment.

Lead IT implementation or advisory projects for the insurance sector, combining consulting, project management, and insurance business expertise. Manage projects from initiation to closure, overseeing timelines, scope, budget, risks, and dependencies. Supervise business analysis and solution design, act as a team leader, and build client relationships.

Manages and optimizes the ServiceNow Knowledge Database, including content deployment, user access, and roadmap planning. Creates and maintains knowledge articles and training materials, analyzes data to identify trends and improvement opportunities.

Your role at Hostinger As Hostinger’s Content Writers Team Lead, you'll own the quality, voice, and output of our human‑written content. You'll lead a team of writers, working closely with our Content SEO Lead and Editors Team Lead to ensure everything produced is accurate, compelling, and unmistakably on brand.

Technical Project Manager needed to bridge business strategy and engineering execution. Feature ownership, technical roadmap development, and stakeholder communication are key. Software background and experience in project coordination required.

Lead QA Engineer to manage and execute quality assurance for an AI-powered platform monitoring CO2 emissions in the maritime industry. Responsibilities include leading a QA team, developing testing plans, and ensuring the quality of AI-driven solutions throughout the development lifecycle. Requires experience in manual and automation testing, Playwright, Testiny, Jira, and strong communication skills.

Senior Java Developer to design, develop, and maintain solutions based on the EIS Digital Insurance Platform. Experience with PolicyCore, BillingCore, ClaimCore, and REST APIs required.

Leads enterprise-wide digital transformation across manufacturing operations. Focuses on modernizing shopfloor systems, standardizing MES platforms, and driving Industry 4.0 initiatives. Designs and enforces architecture standards, integrates OT/IT systems, and collaborates with global teams to accelerate innovation and improve operational performance.

Develop and enhance API interfaces for high-performance applications using PHP 8, Vue.js, and Laravel 9. Write clean, efficient code and participate in code reviews.

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.

Godel Technologies Europe seeks a Senior Fullstack PHP Engineer with 3+ years of experience in PHP 8+, 1+ year in Vue.js, and strong Laravel 9+ expertise.

Senior UX/UI Designer needed for a 12-month contract to design complex digital banking products. Responsibilities include creating user interfaces, prototypes, and data visualizations while collaborating with cross-functional teams. Requires 5+ years of experience, proficiency in Figma, and fluency in English.

Senior Data Engineer to process simulation data for Autonomous Vehicle development. Analyze large-scale sensor datasets, design data queries, and prepare data for AV simulation environments and ML pipelines. Requires 4+ years of experience in Data Engineering, advanced SQL, Python, and Spark/PySpark.