97 English-speaking jobs in Białystok

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 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.

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

Senior Backend Engineer (Java / Architecture) needed for a long-term freelance project. Refactor and modernize legacy backend systems, improve microservices, and maintain REST and SOAP interfaces. Must have strong Java (Spring / Spring Boot) and architectural skills, experience with Kubernetes, and excellent communication skills.

Senior AI Quality Analyst ensures the performance, safety, and reliability of AI/ML models. Responsibilities include designing evaluation strategies, performing error analysis, managing datasets, conducting exploratory testing, and reporting insights.

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 Data Engineer will design, build, and scale cloud data platforms for clients. Responsibilities include designing data pipelines, leading technical design of cloud data architectures, and collaborating with stakeholders. Requires 4+ years of experience as a Data Engineer, 2+ years with cloud platforms (Azure preferred), strong Python and SQL skills, and expertise in DWH data modeling and ETL/ELT architectures.

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.

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.

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 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.

Senior Frontend Developer (Angular) needed for a software house. Design, implement, and maintain high-quality frontend applications using Angular. Collaborate with cross-functional teams and contribute to frontend architecture decisions. 5+ years of experience as a Frontend Developer with strong Angular (2) expertise required.

Develop and maintain native Android applications using Java and Kotlin. Implement application views based on Figma designs and integrate with REST API services.

Develop and maintain applications using Dart, integrating with REST APIs and databases. Implement Figma designs, write unit tests, and collaborate using Git.

Implement and customize Salesforce solutions for insurers and banks. Configure, integrate, and customize Salesforce software to meet client needs. Create, design, and implement state-of-the-art solutions.

Data Analyst will join consulting or implementation teams for financial institutions. Responsibilities include business analysis, documentation, testing support, and data exploration using SQL, Excel, Python, and BI tools.

Senior .NET Developer / Team Leader will develop and enhance applications using .NET / .NET Core, design REST APIs, and work with databases. Requires 7+ years of experience in .NET / .NET Core, C#, web application architecture, and design patterns. Must have experience as a leader or tech lead and strong communication skills.

Mid-level Java Developer to support development of a SaaS platform. Responsibilities include development work, assisting client developers, and resolving critical issues. Requires 2-4 years of Java backend experience, Spring Boot, RESTful API design, and SQL. Must be comfortable working independently during off-standard hours and communicating in English.

Azure Cloud Architect needed for a full-time remote position. Design and implement Azure-based cloud infrastructure for a microservices architecture. Experience with Azure Active Directory, Azure Functions, Azure SQL, Cosmos DB, API Management, and Azure Messaging required.