154 English-speaking jobs in Białystok

Senior Python Engineers design, develop, and maintain scalable finance-focused backend solutions using Python. Responsibilities include integrating external systems, collaborating with Product Managers and Tech Leads, and writing high-quality, well-tested code. Must have 6 years of professional Python development experience and at least 0.5 years of commercial experience with AI tools.

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.

We are seeking a Regular or Senior .NET Desktop Developer to design, develop, and maintain desktop applications using C# and .NET.

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.

We are seeking a Regular or Senior .NET Web Developer to design, develop, and maintain web applications, APIs, and services using C# and .NET.

Experienced Product Owner with a cybersecurity background needed to drive product development. Translate security requirements into product features, manage the backlog, and collaborate with engineering, product management, and security teams.

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 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 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 will drive client discovery, pre-sales, and project shaping, translating business objectives into AI strategies and ensuring measurable impact.

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 .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.

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 Java Developer to design, develop, and maintain solutions based on the EIS Digital Insurance Platform. Experience with PolicyCore, BillingCore, ClaimCore, and REST APIs required.

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.

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 .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.

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 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 Fullstack Developer to design and develop new features for an ERP system. Requires experience with C#, .NET, Vue2/Vue3, Azure, and SQL.