155 English-speaking jobs in Białystok

Execute operational projects on-site, reporting to the project manager. Plan, optimize performance, manage client communication, and ensure QHSE, time, and budget compliance. Coordinate Superintendents and Project Engineers.

The Chief Technology Officer (CTO) will own the company's technology vision, execution, security posture, and engineering operations. Responsibilities include leading architectural decisions, scaling the platform securely, and building high-performing teams. The CTO will also partner with product, operations, and customer teams to align delivery with real-world job-site needs.

Senior Product Manager will oversee AI-first developer experience, including AI-assisted development, agentic workflows, and automated operations. Responsibilities include crafting product strategy, understanding engineering and customer needs, and leading product development from inception to delivery. Must have experience in software development lifecycle, agile methodologies, and data analysis.

Senior Engineer to design, implement, and support cloud applications on AWS. Requires 3+ years of software development experience with Python, Groovy, Bash, and cloud infrastructure. Experience with CI/CD tools, Kubernetes, and AI/ML automation is essential.

AI Solution Architect will design end-to-end AI architectures, evaluate AI frameworks and tools, and support the development and deployment of AI solutions.

Senior .NET Developer / Architect will develop a financially related employee benefit application using .NET 6.0 in the Azure cloud. Responsibilities include designing, implementing, and maintaining applications, working with SQL Server, and utilizing AI tools. Requires strong C#, .NET Core/.NET 6+, Azure, and Entity Framework knowledge, as well as experience with AI-powered development and Git.

Senior Software Engineer / Architect will design software architecture, ensure code quality and compliance, and manage software work packages. Responsibilities include creating documentation, integrating AI/ML models, and collaborating with cross-functional teams. Requires a Bachelor's or Master's degree in computer science or related fields and at least 5 years of experience with Java 17+, Spring Boot, JUnit, Flyway, and Python.

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.

As a Solution Engineer, you will act as a technical advisor during pre-sales engagements, helping clients understand AI/ML and data platform solutions. You will design solution architectures, create technical proofs of concept, and collaborate with sales, delivery, and engineering teams.

Relativity’s Application Security team prevents, detects, and reviews remediation of security issues within Relativity software products. This role designs, implements, and promotes a community of practice to foster security awareness and collaboration. Responsibilities include technical reviews of software products, code, features, tools, and infrastructure to validate security best practices. Respond to customer security questions and reproduce customer vulnerability reports. Innovate and integrate new methodologies for hardening software supply chain security. Facilitate penetration tests of Relativity products. Assist with security compliance audits. Maintain and optimize software package security scanning and secure code scanning tools.

Software Architect needed for design and development of scalable, high-performance software architecture for data integration, synchronization, and processing from sensors. Experience in real-time data processing systems, embedded/IoT systems, and large data handling is required.

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.

Kruko seeks experienced Ruby on Rails and Python developers to design, develop, and maintain backend applications. Requires 4+ years of experience with both Ruby on Rails and Python, including experience with RESTful APIs, multi-agent applications, and relational databases. Strong English communication skills are essential.

Lead the development and implementation of AI solutions, including machine learning, predictive modeling, and optimization. Translate business problems into data science problems and architect data pipelines. Requires 3+ years of experience designing and implementing scalable AI solutions, proficiency in Python and ML libraries, and experience deploying solutions in cloud environments (AWS or Azure).

Golang Developer needed for a large-scale, multi-service backend platform. Design, develop, and maintain core infrastructure, integrating communication protocols like MQTT, OPC, REST, and Kafka.