134 English-speaking jobs in Białystok

Fullstack Developer will implement new features and contribute to the evolution of a recently released aviation software product. Responsibilities include architecture design, quality improvements, and collaboration with developers, QA engineers, and cross-functional teams.

Svitla Systems Inc. seeks a .NET/C# Application Developer with DevOps expertise for full-time (40 hours/week) position in Poland. The role involves application migration, development, cloud environment oversight, and CI/CD pipeline automation.

Senior .NET/C# Developer to support application migration, development, and cloud environment management. Requires expertise in AWS, Terraform, GitOps, Argo CD, Kubernetes, Kafka, CI/CD pipelines, PostgreSQL, and Agile methodologies.

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 utilize Azure AI services to create scalable AI-enabled applications. Collaborate with cross-functional teams to design interfaces and protocols for AI-agent collaboration.

Product Designer to lead UX design for mobile apps (iOS, Android) and a B2B web platform. Requires 4+ years of experience in mobile app and complex web application design, a strong portfolio, and deep understanding of platform-specific design patterns. Must have expertise in Figma, AI-powered design tools, and design prompting within LLMs.

Senior Full Stack Developer will develop and maintain customized software solutions for a European public sector client. Responsibilities include implementing software components, system integration and testing, and collaborating with teammates. Requires 6+ years of Java development experience and 3+ years of Angular front-end development experience.

Senior Business Analyst to develop and maintain solutions within the Atlassian Jira environment. Responsibilities include analyzing processes, designing configurations, supporting PMO, and creating reports. Requires 3+ years of experience as a business or system analyst and 2+ years with Atlassian tools (Jira, Confluence, BigPicture).

Designs experiences for data import, export, and integration within Relativity's SaaS platform. Collaborates with product, engineering, and research teams to define and drive the vision for data transfer workflows.

Svitla Systems Inc. seeks a Detection and SOAR Security Lead/Operations Integration Consultant to secure SaaS and enterprise security environments. The role requires expertise in deploying and supporting security solutions, including data loss prevention, session controls, access controls, and SaaS monitoring. Experience with Microsoft Sentinel SIEM, SOAR features, and Arctic Wolf is preferred. The consultant will design, optimize, and document data storage solutions, collaborate with technical leads, and mentor engineers.

Senior Product Owner with 5+ years experience in software delivery, actively using AI tools in professional workflows. Manages requirements end-to-end, prioritizes backlogs, and collaborates with engineering and design teams. Designs AI agent workflows for BA/PO tasks and validates agent output. Strong structured writing and client-facing delivery experience required.

Senior AI Backend Engineer will build, scale, and maintain the backend architecture for AI Agents. Responsibilities include designing and implementing an Agentic reasoning layer, modernizing legacy systems, and collaborating with AI researchers. Requires 6+ years of backend development experience with Node.js and TypeScript, experience with real-time communication, and proven experience building AI-driven features.

Senior Product Manager will own a product area end-to-end, turning real-time signals into measurable outcomes. Responsibilities include defining hypotheses, running experiments, and collaborating with engineering and design to build solutions. The ideal candidate has experience building products in early-stage environments, strong data fluency, and a focus on customer behavior and decision-making.

Cost Engineer will analyze product cost structures, develop cost estimating relationships, and manage cost data. Requires a Bachelor's degree in Electronic/Electrical Engineering or related field and 3+ years of cost engineering experience. Must have strong understanding of electromechanical systems, proficiency in MS Excel and ERP systems, and English fluency (C1/C2).

Lead, develop, and mentor a team responsible for embedded control software for traction and auxiliary converters and battery chargers. Own the architecture, implementation, and verification of real-time embedded software for motor-control applications. Drive the development of high-reliability C-based firmware for TI C2000, ARM Cortex, and similar microcontroller platforms.

Develop and implement real-time embedded control software for traction and auxiliary converters. Program, debug, and optimize firmware in C/C++ for TI C2000, ARM Cortex, and other microcontrollers. Design and validate control algorithms for AC motors in traction applications. Integrate communication interfaces such as CAN, TRDP, SPI, I2C.

Technical architect for legal technology systems, providing configuration and support. Minimum 3 years Workday configuration experience required. Strong Excel and problem-solving skills essential.

Senior Full-Stack Engineer needed for a full-time position. Develop and maintain web and mobile applications using C#, React, and other technologies. Collaborate with product owners and team members to design, code, test, and deploy software. 7+ years of experience designing and building scalable applications required.

UX Writer needed to design user experiences through clear, consistent, and user-centric content. Responsibilities include creating, auditing, and optimizing content across various formats, collaborating with cross-functional teams, and ensuring brand voice consistency. Exceptional writing skills, CMS/CCMS experience, and fluency in English are required.

Lead and grow a data engineering team, contributing to the design and evolution of data platforms and pipelines. Hands-on experience building and operating large-scale data processing systems is required.

Technical Product Owner and Technical Chief of Staff for a fast-growing API-first payments company. Drive product execution, prioritize work, and collaborate with a distributed engineering team. Strong technical background and product ownership experience required.