135 English-speaking jobs in Białystok

Solution Architect to design and implement robust, scalable software solutions. Requires 5+ years of Java development experience, Oracle database expertise, and experience with cloud-native technologies (Azure, Kafka, Kubernetes).

Data Engineer to join a tech team focused on building data systems and pipelines. Responsibilities include analyzing and organizing data, building algorithms, and collaborating with data scientists. Requires experience as a data engineer, expertise in data models and mining, and knowledge of programming languages like Java and Python.

System Validation Engineer will design, develop, and execute functional and performance tests for Data Processing Unit (DPU) hardware across all project stages. Collaborate with architects, hardware, and verification engineers to ensure DPU features operate as designed. Requires minimum 5 years of experience in a similar position, Bachelor's degree in a related field, and strong proficiency in C/C++ programming.

Cost Engineer analyzes product cost structures, develops cost estimating relationships, and manages cost data. Requires a Bachelor's degree in Electronic/Electrical Engineering and 3+ years of experience in cost engineering, estimating, and project controls.

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.

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.

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.

Test Specialist to design, document, and execute test cases for software systems. Experience in test automation using Selenium, Cypress, Playwright, Protractor, SQL, and API testing required.

Develop, test, and maintain key features for an EV charging platform, focusing on mobile and frontend applications (React/React Native) and backend services (TypeScript). Integrate the charging network with hardware and external systems.

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).

Test Specialist will design, document, and execute test cases for software systems. Requires 5+ years of test automation experience, ISTQB Advanced certification or 3+ years of test design experience, and a Bachelor's degree. Must have experience with Azure DevOps Test Plans, coding in Python, JavaScript, TypeScript, or VBS, Playwright, SQL, and SharePoint.

Design, develop, and maintain scalable finance-focused backend solutions using Python. Integrate external systems and third-party APIs. Lead and mentor the engineering team. Write high-quality, well-tested code ensuring reliable daily deployments to production. Participate in peer reviews, refinements, and continuous feedback loops.

AI Engineer to develop scalable AI systems, including LLMs and Generative AI. Build backend components using Python and frameworks like FastAPI. Experience with LLMs, Generative AI, and backend frameworks required.

Kruko is seeking a .NET Developer to design, develop, and maintain web applications using C#, .NET, and related technologies. Responsibilities include building RESTful APIs, implementing clean code, collaborating with teams, and integrating applications with databases and external services.

Design, develop, and maintain scalable Python applications integrating AI/ML solutions. Build and fine-tune machine learning models, APIs, and AI-driven features. Collaborate with teams to translate business needs into automated solutions.