243 English-speaking jobs in Białystok

Develop and implement innovative AI applications using Agentic AI technologies to enhance customer experience and support engineering teams. Requires strong experience designing, building, and deploying Agentic AI systems in enterprise production environments, including multi-agent orchestration, tool use, memory, planning, and workflow automation. Proven track record integrating AI agents into scalable, secure enterprise platforms with robust MLOps, observability, governance, and cloud deployment practices. Demonstrated ownership of at least 1–2 full-scale, production-grade AI agent systems delivered within large enterprises. 10 years of full-time industry experience with ML/AI and at least 5 years in a senior technical leadership role. Bachelor's or Master's degree in Computer Science, Artificial Intelligence, or a related field.

Human Factor Engineer to drive and coordinate human factors and usability engineering activities. Responsibilities include running user studies, improving user interfaces, and providing HF input into risk management. Requires 3+ years of experience in a regulated environment, knowledge of usability standards, and strong analytical and communication skills.

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.

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.

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.

Principal / Senior Full Stack Engineer (Java/React) needed for a digital marketing company. Requires 8+ years of experience developing large-scale applications with Java Back End and frontend experience (React preferred). Solid understanding of the SDLC, agile methodologies, and AWS cloud (Lambdas). Experience with AI coding tools, 3rd party APIs, legacy codebases, and refactoring is a plus. Responsibilities include designing, developing, testing, and maintaining scalable backend applications, participating in product design and code reviews, and mentoring junior team members.

Senior Full Stack Developer to design and implement scalable, cloud-native features using TypeScript, AWS Lambda, and Serverless Framework.

Senior Robotics Software Engineer with expertise in ROS 1 or ROS 2, C++, and Linux environments. Responsibilities include designing, implementing, and testing robotic software, collaborating with clients, and participating in open-source robotics events.

Senior SAP ABAP Developer with 6+ years of experience in classical and object-oriented ABAP (7.40 syntax) and RAP (Restful ABAP Programming Model). Expertise in CDS, OData services, SAP Fiori/UI5, and interface development (RFC, BAPI, IDoc, ALE, REST/SOAP).

Lead Backend Engineer for cloud-native robotics platforms. Requires strong AWS or GCP, Python (FastAPI, Django, or Flask), and distributed systems knowledge. Experience with IoT protocols and client-facing roles is a plus.

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.

Designs, deploys, and optimizes autonomous AI agents using Microsoft Copilot Studio, Azure AI, and the Power Platform to solve business challenges.

Data Engineers/BI Developers design, develop, and optimize BI and data analytics solutions. Responsibilities include data modeling, performance optimization, data visualization, and developing scalable data infrastructures. Experience with SQL, BI tools, ETL/ELT, and data modeling is required.

Senior Ruby Developer needed for full-time position (40 hours/week) building scalable applications. Requires 5+ years of backend Ruby experience, familiarity with testing approaches, and strong problem-solving skills.

Test Specialist to develop, execute, and debug test cases for ServiceNow platform. Requires 5+ years of testing experience (8+ years without ISTQB certification), Bachelor's degree, and expertise in various testing methodologies.

Senior .NET Fullstack Developer to develop and maintain web applications using ASP.NET, APIs, and Azure Services. Requires C#, .NET, SQL databases, and Angular experience.

Tech Lead Python Frontend needed to define technical vision, manage projects, and lead a team of developers. Requires 6+ years of Python experience, frontend expertise (React preferred), and strong people management skills. Excellent communication and problem-solving abilities are essential.

Senior Marketing Data Analyst needed for remote, full-time B2B contract. Requires 5+ years experience in marketing analytics, data analysis, or related quantitative field. Must have strong SQL and Python skills, experience with marketing experimentation and channel optimization, and a solid understanding of Marketing Mix Modeling. Excellent communication and interpersonal skills are essential.