58 English-speaking jobs in Białystok
Pentester WebAPP and API - Białystok
- Link Group
- białystok
- July 19
Lead and execute penetration tests across web applications, APIs, mobile apps, cloud environments, and networks. Perform Active Directory security testing and develop custom exploits using Python, PowerShell, and Bash. Manage end-to-end engagements and provide technical input during scoping calls and proposal creation.
Senior Full Stack Developer - Białystok
- EBRAND
- białystok
- July 19
Senior Full Stack Developer will design, develop, and maintain web automation solutions. Responsibilities include building browser-based automation systems, analyzing web applications, and collaborating with teams to deliver new platform capabilities. Requires knowledge of PHP, Python, JavaScript or TypeScript, and experience with Playwright, Puppeteer, or Selenium.
C# Developer – Firmware & Hardware Interfaces (f/m/x) - Białystok
- Sii Sp. z o.o.
- białystok
- July 19
Experienced C# Developer needed for an innovative AI-driven investment technology project. Develop and maintain C# applications interacting with hardware components and low-level systems. Design and implement interfaces for communication with machine control layers and embedded components. Collaborate with distributed teams in an Agile environment using CI/CD pipelines. Minimum 5 years of experience as a C# Developer or in a similar role required. Hands-on experience with low-level or machine-oriented development and hardware interaction is essential. Strong knowledge of firmware interfacing and control layer communication is needed. Practical experience with Agile methodologies and CI/CD processes (GitHub/GitLab) is required. English proficiency at min. B2 level is necessary.
SOLUTIONS ARCHITECT
- Workai
- białystok
- July 19
Solutions Architect needed to design and implement complex enterprise solutions using Azure, microservices, and API management. 5+ years of experience in cloud solutions architecture required. Expertise in Agile methodologies, DevOps, and IdentityServer/OIDC is essential.
QA Engineer senior - Białystok
- Spyrosoft
- białystok
- July 19
Project OverviewYou will join a team working on a web-based application for managing smart hydraulic systems used by B2B clients (e. g. hotels and restaurants). The project is planned to start in August. The system includes device monitoring, user access management, processing and analysis of large datasets, communication between the web application, physical devices, and their simulators.
Senior Python + GenAI/ ML Engineer
- Svitla Systems
- Białystok
- July 18
Manager, Product Management
- Relativity
- białystok
- July 18
Manages the product roadmap and backlog for RelativityOne's Structured Storage Platform. Leads product strategy and execution, collaborating with engineering and stakeholders to deliver scalable, reliable, and cost-efficient storage solutions. Requires 7+ years of product management experience and 1+ year of experience managing Product Owners.
Graphics Driver SW Designer
- Spyrosoft
- Białystok
- July 17
Senior Kotlin Developer
- Spyrosoft
- białystok
- July 17
Develop and maintain cross-platform mobile applications using Kotlin Multiplatform Mobile (KMM). Design and implement secure authentication and authorization flows (OAuth 2.0, OpenID Connect, MFA, SSO). Integrate with identity providers and enforce Zero Trust principles.
OpenStack Engineer
- Grape Up
- białystok
- July 17
Design, deploy, and operate enterprise-grade OpenStack environments as part of the Cloudboostr platform. Build and maintain automated infrastructure provisioning pipelines using Terraform and Ansible. Ensure high availability and performance of private cloud infrastructure. Collaborate with the product team to ensure seamless integration between infrastructure, runtime, and AI layers.
C++ Developer with Rust/ BLE/ SDK (f/m/x)
- Sii Poland
- białystok
- July 14
Senior C++ Developer will design, develop, and maintain applications and components in C++ and Rust. Responsibilities include creating libraries and SDKs, implementing Bluetooth Low Energy (BLE) communication, and collaborating with international teams. Requires 3+ years of C++ experience, Rust experience in commercial projects, proficiency with modern C++, and experience with BLE and SDK development.
Guidewire Developer / Tech Lead (BillingCenter or PolicyCenter) - 100% Remote @ Moondigo Sp. z o.o.
- Moondigo Sp. z o.o.
- Bialystok
- July 14
Senior Full Stack Developer
- EBRAND
- białystok
- July 13
Senior Full Stack Developer will design, develop, and maintain web automation solutions. Responsibilities include building browser-based automation systems, analyzing web applications, and developing tools for data collection and analysis. Requires knowledge of PHP, Python, JavaScript or TypeScript, and experience with Playwright, Puppeteer, or Selenium.
Functional Safety Engineer (f/m/x)
- Sii
- Białystok
- July 13
Senior Change Manager (f/m/x)
- Sii
- Białystok
- July 13
Senior Data Engineer (Spark)
- Addepto
- Białystok
- July 11
Senior Data Engineer to develop and maintain a high-performance data processing platform for automotive data. Responsibilities include designing and implementing data pipelines, optimizing data workflows, and collaborating with cross-functional teams. Requires 5+ years of experience with Big Data technologies (Spark, Cloudera, Kafka, Airflow, NiFi, Docker, Iceberg), strong Python (or Java/Scala) skills, and experience in cloud environments.
Senior Data Scientist / ML Engineer @ Addepto
- Addepto
- Bialystok
- July 11
Senior Data Scientist / ML Engineer will design, implement, and validate Machine Learning models to support business objectives. Responsibilities include researching, testing, and selecting AI solutions, understanding client needs, and translating business problems into data science problems. Requires 5+ years of experience in AI solutions, proficiency in Python and ML libraries, and experience deploying solutions in cloud environments.
Data Scientist / ML Engineer @ Addepto
- Addepto
- Bialystok
- July 11
Data Scientist / ML Engineer will design, implement, and validate Machine Learning solutions. Responsibilities include understanding client needs, translating business problems into data science problems, and developing scalable AI solution architectures. 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).
Lead Data Engineer (Spark) @ Addepto
- Addepto
- Bialystok
- July 11
Lead Data Engineer to design and develop scalable data management architectures and platform solutions using technologies like Spark, Hadoop, and AWS. Responsibilities include designing data governance processes, developing CI/CD and MLOps processes, and collaborating with the Data Science team. Requires 7+ years of experience in implementing Big Data systems, strong programming skills in Python or Java/Scala, and experience with cloud environments.
Senior/Lead Software Engineer @ Addepto
- Addepto
- Bialystok
- July 11
Senior/Lead Software Engineer to design and implement robust, scalable software solutions. Requires 7+ years of Java development experience, Oracle database expertise, and experience with cloud-native technologies (Azure) and legacy systems (WebLogic, IBM MQ). Must have experience with Kafka, Kubernetes, REST APIs, and Domain-Driven Design. Excellent communication and leadership skills are essential. Fluent English required.



























































