263 English-speaking jobs in Białystok

Architect and scale advanced AI and ML systems for hx's next generation of products. Lead the design and deployment of cutting-edge model capabilities, from LLM-driven workflows to domain-specific ML pipelines. Drive foundational decisions across data, modeling, and production infrastructure. Rapidly prototype novel ideas, validate them in live environments, and evolve successful experiments into production-grade systems.

Design, build, and maintain scalable data pipelines on AWS. Manage and optimize AWS services such as S3, Lambda, Glue, Redshift, and EMR. Collaborate with data professionals to ensure efficient data integration and delivery.

Digital Merchandiser for eCommerce clients, managing product visibility on e-retailer websites. Responsibilities include content creation, auditing, and optimization, client communication, and problem-solving. Requires 1+ year of eCommerce experience, advanced English, and proficiency in tools like Excel and PowerPoint.

Senior Change Manager to drive large-scale organizational transformations. Shape change strategies, manage stakeholder engagement, and design tailored enablement plans. Proven expertise in leading end-to-end change management projects and strong communication skills are required.

Senior Backend Engineer will design, develop, and scale backend systems for e-commerce integrations. Responsibilities include building APIs, ensuring data synchronization, and collaborating with product teams. Experience with Go, TypeScript, distributed systems, and cloud platforms is required.

Senior Backend Engineer (Go) to design, build, and scale backend foundations for Omnichannel integrations at Text. Build systems that translate third-party messaging platforms into a consistent internal model, keep data flowing reliably, and handle channel-specific constraints. Collaborate with teams to keep data flows consistent and trustworthy.

PHP Developer will design and implement integrations between an e-commerce platform and Pimcore. Responsibilities include proposing solutions to technical challenges, identifying and fixing performance bottlenecks, and working within a Scrum team.

Senior PHP Developer needed for a ~2 month B2B contract. Rewriting and developing a Shopware e-commerce application. Requires 5+ years PHP experience (version 8 preferred), Symfony, Doctrine, AWS, Docker, and Git. Strong communication and problem-solving skills are essential.

Experienced Business Analyst with 6+ years in ecommerce, consumer industries, or retail. Strong analytical and problem-solving skills required. Expertise in business case creation, requirements gathering, and process mapping. Proficiency in English, German, and/or French preferred.

Staff Full Stack Engineer with expertise in React, .NET, and Azure to design, develop, and maintain scalable web applications. Experience with RESTful APIs, GraphQL, Azure cloud services, and CI/CD pipelines required.

Lead the development team for a cloud native database connection solution. Develop and maintain database connectors, ensuring low latency for a multitenant solution.

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.

Design, write, test, and optimize Assembler code for mainframe systems. Maintain and enhance legacy applications. Integrate Assembler components with COBOL/Java applications. Troubleshoot and resolve complex system issues. Mentor junior developers.

Software Developer in Test to design and develop a robust testing framework for backend services. Experience with backend automation tests, Java or Kotlin, Gradle, JUnit, and GitLab CI/CD pipelines required.

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.

Senior Data Engineer will contribute to the development of a centralized Lakehouse Data Platform on AWS and Databricks. Responsibilities include managing data infrastructure, ETL pipelines, and implementing monitoring and testing within the platform.

Senior Python Engineer to design, develop, and maintain scalable finance-focused backend solutions using Python and Django. Integrate external systems, APIs, and work with Product Managers to solve customer problems. Must have strong Python and Django experience, API development knowledge, and experience with AWS services.

Experienced Data Protection Consultant needed to guide clients in designing, implementing, and optimizing data protection strategies using Cohesity and Veritas NetBackup. Focus on ensuring business-critical data security, compliance, and high availability across physical, virtual, and cloud environments.

Implement and customize Salesforce solutions for insurers and banks. Configure, integrate, and customize Salesforce software to meet client needs. Create, design, and implement state-of-the-art solutions.

AI Engineer to develop scalable AI systems, including LLMs and GenAI. Responsibilities include transforming Data Science prototypes into production-ready solutions, building backend components using Python and frameworks like FastAPI, and ensuring code quality. Requires at least 3 years of commercial experience in software engineering with Python, strong programming skills, experience with LLMs and Generative AI, and familiarity with backend frameworks, databases, Docker, Git, and CI/CD concepts.