224 English-speaking jobs in Białystok

Data Steward ensures high-quality product data for EMEA sales performance. Validates, uploads, and syndicates product data, resolving issues and collaborating with stakeholders. Requires 3+ years of data management experience, PIM (ideally InRiver), ERP systems, and strong Excel skills.

AgileEngine seeks a Middle/Senior Backend Engineer to architect and scale a modern Ads platform. You will design high-performance backend systems and APIs, process large advertising data volumes, and collaborate with product and data teams.

Senior QA Engineer sought for large-scale projects. Requires 5+ years experience in QA/testing, 3+ years with Playwright, TypeScript knowledge, and experience with API testing, performance testing, and defect management tools.

Freelance Data Center Technician needed to support critical infrastructure. Install, configure, and maintain server and network equipment. Perform structured cabling, hardware deployments, and environmental monitoring. Troubleshoot incidents, maintain documentation, and collaborate with teams.

Addepto seeks a Pre-Sales Engineer to help clients leverage AI and data platforms. You will align technical solutions with business goals, act as a trusted advisor, and support technical discovery.

Senior Product Manager to lead frontend experience strategy for RelativityOne, translating technical possibilities into customer-centric product strategies. Collaborate with engineering, design, and cross-functional teams to define product roadmap, guide product decisions, and champion a seamless user experience.

Lead Data Engineer to design and implement large-scale data platforms based on Databricks. Responsibilities include leading the development of distributed data processing pipelines, ensuring high performance and reliability of data systems, and guiding engineering teams in implementing best practices for modern data architecture.

Senior Fullstack Developer will design and develop cloud-native applications using Java, React, and AWS. Responsibilities include infrastructure management with Terraform, database interaction, and ensuring code quality through testing and best practices. Requires minimum 4 years of Java and React experience, AWS knowledge, and strong security understanding. Fluent English is essential.

Lead the development of expert and generalist robot policies for industrial applications. Drive the design of task policies using techniques such as hierarchical planning, reinforcement learning, or hybrid methods. Collaborate cross-functionally to bring scalable solutions from research to production.

Junior Digital Merchandiser supports eCommerce projects, including brand store creation and management. Responsibilities include managing updates, launches, and promotions, presenting results to clients, and collaborating with a team. Requires good English (C1), experience in the digital industry, analytical skills, and attention to detail. UX/UI knowledge is a plus.

Senior Flutter Developer sought to build high-volume, low-latency mobile applications for a solar industry platform. Requires extensive mobile app development experience, including 5+ years in Native Android development (Java/Kotlin) and strong Flutter skills.

Senior Flutter Engineer to design and develop high-volume, low-latency mobile applications for a solar industry platform. Requires 5+ years of Native Android development experience (Java/Kotlin), strong Flutter skills, and experience with AI-based development tools.

Shape the deployment of Augmented Reality applications, collaborating with cross-functional teams. Develop software for customer projects using Java, Spring Boot, and modern enterprise technologies.

Senior Python Engineer needed for a large-scale utility service platform transforming the global energy industry. Design, develop, and maintain scalable finance-focused backend solutions using Python and Django. Integrate external systems and APIs, write high-quality code, and participate in peer reviews. Must have strong Python engineering skills, experience with Django, API development, and automated testing. AWS experience is required.

Data Analyst / Visualization Engineer will lead the migration of dashboards to Tableau, design and develop new dashboards, and provide ad hoc data analysis and visualization support. Requires 5+ years of experience in data analytics, 3+ years in a fast-paced tech/SaaS environment, and expertise in Tableau, SQL, and cloud data warehouses.

Senior Platform Engineer to design, implement, and deploy AI-first solutions accelerating developer productivity across the CI/CD lifecycle. Requires 5+ years of experience in software, DevOps, infrastructure, or platform development with Python, Groovy, Bash, cloud infrastructure (AWS, Azure, or Google Cloud), containers, CI/CD tools, and IaC languages.

Addepto seeks a Key Account Manager to manage and grow strategic client relationships. The role involves acting as a trusted advisor, ensuring successful delivery of AI and data-driven solutions, and identifying opportunities for long-term partnership growth. Requires strong client-facing skills, commercial awareness, and the ability to collaborate with delivery, engineering, and leadership teams.

Lead the design and implementation of Guidewire insurance solutions using Java/Gosu. Manage project teams, ensure timely completion, and advise clients. Requires 4+ years of software development experience, 1+ year in a leadership role, and fluency in English.

We are seeking a .NET Developer to build backend and platform components for a data synchronization system. Responsibilities include designing, implementing, and maintaining APIs, integration services, and processing pipelines. Requires 3+ years of experience with .NET/C#, ASP.NET, .NET Core, and RESTful APIs. Solid understanding of OOP, SOLID principles, and containerization (Docker/Kubernetes) is essential. Experience with relational databases, asynchronous processing, and Git/CI/CD workflows is also required.

Experienced Mobile Developer (Mid or Senior) sought to build a B2B/B2C mobile app for a major international corporation in the energy and chemical sector. Expertise in React Native, JavaScript, and TypeScript required.