169 English-speaking jobs in Białystok
Senior Java Developer - Freelance
- Netguru
- Białystok
- June 7
Senior Backend Engineer needed for remote contract role (EU only). Design, build, and maintain scalable backend systems, APIs, and ETL pipelines. Strong Java, database, and cloud platform experience required.
AI Engineer
- Netguru
- Białystok
- June 7
As an AI Engineer at Netguru, you will implement Azure OpenAI API, RAG systems, and fine-tune open-source models for clients. You will design, develop, and deploy machine learning models, experiment with ML techniques, and lead AI project implementations.
Senior Golang Developer - Freelance
- Netguru
- Białystok
- June 7
Senior Golang Developer needed for fully remote, contract position. Develop and maintain backend services using Go (Golang) in a modern product environment. Collaborate with product managers and designers to build features and ensure code quality.
Lead Python Backend Engineer
- Reef Technologies
- Białystok
- June 7
Lead Python Backend Engineer needed for a fully remote team. Requires at least 5 years of programming experience, including Python, and at least 2 years of team management experience. Responsibilities include leading and guiding a team, project management, client communication, and strategic thinking. Must be able to solve complex technical challenges and contribute to the company's long-term technical vision.
Senior Python Backend Engineer
- Reef Technologies
- Białystok
- June 7
Senior Python Backend Engineer needed for a fully remote team. Must have at least 5 years of programming experience, including at least a year with Python. Work on a trustless supercluster of performance-proofed GPU-enabled sandboxed docker container runners controlled by truly decentralized algorithms.
Senior Business Analyst
- Sollers Consulting Sp. z.o.o
- Białystok
- June 7
Senior Business Analyst to join IT projects for financial institutions, primarily insurance companies. Conduct complex business analysis, define functional requirements, and test solutions. Collaborate with developers and IT architects.
Project Manager for Insurance Sector
- Sollers Consulting Sp. z.o.o
- Białystok
- June 7
Lead IT implementation or advisory projects for the insurance sector, combining consulting, project management, and insurance business expertise. Manage projects from initiation to closure, overseeing timelines, scope, budget, risks, and dependencies. Supervise business analysis and solution design, act as a team leader, and build client relationships.
Senior Engineer - Site Reliability Engineering
- Relativity
- Białystok
- June 7
Senior Software Engineer will implement and maintain reliability solutions, focusing on automation, operational excellence, and collaboration with engineering teams to ensure system availability and efficiency.
Regular Senior NET dev with strong Azure
- Spyrosoft
- Białystok
- June 7
Senior .NET developer to build, maintain, and support a web-based self-service portal for the financial services industry. Responsibilities include developing new features, ensuring reliability, investigating incidents, and collaborating on CI/CD pipelines. Requires experience with ASP.NET Core, Azure services, and Azure DevOps.
Databricks Data Engineer Architect
- Spyrosoft
- Białystok
- June 7
Data Engineer Architect to design, build, and maintain a scalable enterprise data platform using Databricks. Requires 8+ years of data engineering experience, 4+ years with Databricks, and expertise in Python, SQL, and cloud platforms (Azure, AWS, or GCP).
Regular Senior Lead Angular Developer with Capacitor
- Spyrosoft
- Białystok
- June 7
Develop and maintain frontend applications using Angular and Capacitor for a modern enterprise digital platform. Integrate with REST APIs, backend services, and cloud environments (Microsoft Azure).
Senior Data Engineer
- Spyrosoft
- Białystok
- June 7
Senior Data Engineer to process simulation data for Autonomous Vehicle development. Analyze large-scale sensor datasets, design data queries, and prepare data for AV simulation environments and ML pipelines. Requires 4+ years of experience in Data Engineering, advanced SQL, Python, and Spark/PySpark.
Lead AI Consultant
- Spyrosoft
- Białystok
- June 7
Lead AI Consultant will drive client discovery, pre-sales, and project shaping, translating business objectives into AI strategies and ensuring measurable impact.
Senior Lead NET developer with strong Azure
- Spyrosoft
- Białystok
- June 7
Senior .NET developer to design, build, and maintain secure, scalable backend solutions within an Azure cloud environment. Experience with REST APIs, OpenAPI, EF Core, SQL Server, and Azure services is required.
Senior Aladdin Fullstack Developer
- Spyrosoft
- Białystok
- June 7
Senior Fullstack Developer to design, build, and integrate scalable applications and data services. Experience with Python API development, SQL, Apache Kafka, and Azure Cloud Platform required. Strong problem-solving skills and experience working in a fast-paced environment. Previous hands-on experience with Aladdin APIs and data structures preferred.
Senior Alladin Specialist
- Spyrosoft
- Białystok
- June 7
Experienced Aladdin Specialist needed for a UK-based client project. Strong hands-on experience with Aladdin APIs, Aladdin Data Cloud, and Aladdin front-end tools required. Support data access, platform integration, and business usage of Aladdin across investment and operational processes.
Senior GCP Data Engineer
- Spyrosoft
- Białystok
- June 7
Senior Data Engineer to design and implement scalable data architectures using Google Cloud Platform (GCP). Experience with BigQuery, Dataflow, Pub/Sub, BI/ETL, and big data technologies required.
Senior Penetration Tester
- Spyrosoft
- Białystok
- June 7
Senior Penetration Tester to conduct advanced security assessments of applications, systems, and infrastructure. Responsibilities include identifying vulnerabilities, developing attack scenarios, and collaborating with technical and business teams. Requires 5+ years of experience in penetration testing with expertise in web, mobile, and infrastructure security.
Senior NET Developer with Angular
- Spyrosoft
- Białystok
- June 7
Senior .NET Developer with Angular expertise sought for freelance project-specific B2B contract. Develop scalable, cloud-native applications using .NET, C#, Angular, Azure services, and SQL Server.
Senior Lead Data engineer with industrial knowledge Freelancer
- Spyrosoft
- Białystok
- June 7
Senior Data Engineer (Freelance) sought for project-based initiatives focused on industrial data and AI-driven analytics within the chemical and process industry. Experience with industrial data sources (MES, SCADA, Historians, PLC/OT) and data quality assessment is required. Responsibilities include designing and implementing data pipelines, performing data quality audits, and developing datasets aligned with business KPIs.

































































