74 English-speaking jobs in Białystok
Junior C++ Developer in Telecom (m/f/d) @ EPOL IT Sp. z o.o.
- EPOL IT Sp. z o.o.
- Kraków, Białystok
- September 28
Junior C++ Developer role focusing on implementing new functionalities, testing, and bug fixing within telecom projects. Requires good C++ and STL knowledge, familiarity with Agile, and skills in Git and Jira.
Data Analyst
- Svitla Systems
- Białystok
- September 25
C/C++ Firmware Engineer (f/m/x) @ Sii Polska
- Sii Polska
- Bialystok
- September 25
Firmware Engineer develops and optimizes low-level firmware, handles hardware bring-up, and debug issues. Requires 5+ years of embedded development, strong C/C++ skills, and knowledge of JTAG, UART, SPI, and I2C.
Senior Automation Test Engineer – AI Systems (f/m/x)
- Sii Poland
- białystok
- September 22
Senior Automation Test Engineer for AI Systems. Own quality, evaluation, and monitoring for complex AI systems, including LLMs. Design evaluation pipelines and test frameworks in Python and JavaScript/TypeScript.
Electrical Designer - RUPLAN (f/m/x)
- Sii Poland
- Białystok
- September 22
Experienced Power Engineer Designer needed to design power stations and GIS/AIS switchgears. Responsibilities include technical documentation, medium/high voltage design, and project coordination using RUPLAN. Requires relevant technical education and knowledge of power engineering.
Senior Data Engineer / Tech Lead (Spark) @ Addepto
- Addepto
- Bialystok
- September 22
Senior Data Engineer/Tech Lead role building scalable data pipelines and modern data processing solutions. Focus involves 70% hands-on engineering and 30% technical leadership. Requires Spark, Python, SQL, and experience with lakehouse architectures.
Senior .NET Developer
- SoftwareHut Limited Liability Company
- białystok
- September 22
Senior .NET Developer to build and maintain financially related applications using .NET 6.0 and Azure. Responsibilities include SQL Server work, AI tool usage, and infrastructure development. Requires C1 English and strong C# knowledge.
Kotlin Developer (f/m/x)
- Sii Sp. z o.o.
- białystok
- September 22
Kotlin Developer needed to build and maintain scalable microservices for a fintech platform. Requires 5+ years of experience with Kotlin, AWS, and Kubernetes. Proficiency in PostgreSQL and strong English skills are required.
Senior Python Developer
- Svitla Systems
- Białystok
- September 21
Java Developer - Junior, Mid & Senior Talent Pool
- Transition Technologies PSC
- Białystok
- September 21
Senior Data Engineer – pharmaceutical sector (f/m/x)
- Sii Sp. z o.o.
- białystok
- September 21
Senior Data Engineer for the pharmaceutical sector. Design and maintain scalable data solutions using Python, AWS (Glue, Athena, DynamoDB), and Pandas. Requires 5+ years of experience and strong English.
Data Scientist with ML (f/m/x)
- Sii Sp. z o.o.
- białystok
- September 21
Experienced Data Scientist with ML needed to build and optimize predictive models. Requires 5+ years experience, strong SQL, and Python proficiency for analyzing consumer and marketing data.
Senior Java Developer
- Miratech
- białystok
- September 19
- remote work
Senior Java Developer needed for software development and maintenance of customized solutions for a public sector client. Requires 6+ years in Java, Spring, microservices, and experience with PostgreSQL and REST/SOAP integrations.
Senior Project Manager - Pharma nad Regulatory Affairs (f/m/x)
- Sii
- Białystok
- September 18
Solution Architect @ Addepto
- Addepto
- Bialystok
- September 18
Design and guide robust, scalable software solutions as a Solution Architect. Requires 8+ years in Java/Oracle, expertise in modern/legacy architectures, Azure, Kafka, and DDD.
Implementation Consultant (Regulatory Reporting)
- Svitla Systems
- Białystok
- September 17
Senior Data Scientist (f/m/x)
- Sii Poland
- białystok
- September 17
Senior Data Scientist to build an AI operating system for healthcare marketing. Design and implement entity extraction, linking, and resolution at scale using Python, SQL, and graph ML. Requires 5+ years in production ML.
Senior Product Manager
- Relativity
- białystok
- September 15
Own the product strategy and roadmap for the shared agent platform and agent harness. Partner with AI product teams to ensure scalable, reliable agent development. Requires 5+ years in product management, ideally with AI/agentic systems experience.
Data Engineer (Spark)
- Addepto
- białystok
- September 15
Data Engineer (Spark) role involving developing and maintaining high-performance data processing platforms. Requires 3+ years in Big Data systems, strong Python/Java/Scala skills, and experience with Spark, Cloudera, and Airflow.
Junior Data Engineer (Power BI) @ Addepto
- Addepto
- Bialystok
- September 15
Junior Data Engineer role supporting data solutions using Python, SQL, and Power BI. Focus on data processing, SQL optimization, and creating Power BI reports for business decision-making. Requires technical background and data system experience.



































































