275 English-speaking jobs in Białystok

Data Engineer will design, build, and optimize data pipelines using Snowflake and Databricks. Responsibilities include leveraging cloud technologies (Azure and AWS), ensuring data privacy and security, and collaborating with clients. Requires 3+ years of experience in data engineering, ETL/ELT processes, and proficiency in SQL and Python.

Android Developer to design, develop, and maintain features for the Glassdoor Android application. Requires 2-4 years of experience, strong Kotlin skills, and expertise in Jetpack Compose and Clean Architecture.

Full-stack .NET Developer to design, develop, and maintain scalable web applications using .NET, Angular or React, and relational databases. Requires 3+ years of commercial experience with .NET, proficiency in frontend technologies, and strong understanding of testing, Git, and CI/CD. Fluent English required.

Regional Project Manager will lead preparation and coordination for multiday system downtime and cutover events globally. The role connects teams across Americas, EMEA, APAC, and China to ensure consistent planning, communication, and execution.

Lead Software Engineer will define architecture strategy and non-functional design for secure, reliable, and high-throughput data movement across Relativity's SaaS platform. Responsibilities include leading multi-team Azure delivery, owning reliability and observability, and coaching and elevating engineers. Requires 7+ years building distributed SaaS in .NET/C# or similar and 3+ years leading initiatives or teams. Deep Azure expertise, including AKS, Service Bus/Event Hubs, Cosmos DB or SQL, is essential. Proven ownership of SLO/SLA outcomes, on-call leadership, and RCAs is also required.

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.

Software Architect needed for design and development of scalable, high-performance software architecture for data integration, synchronization, and processing from sensors. Experience in real-time data processing systems, embedded/IoT systems, and large data handling is required.

Senior PHP Developer for a 6-month freelance contract. Develop backend systems for an enterprise transformation project, utilizing PHP 8, Symfony, DDD, TDD, and microservices. Collaborate with cross-functional teams and implement CI/CD pipelines.

Senior Data Scientist will design and implement data science models to solve business cases for clients. Responsibilities include analyzing datasets, developing data-driven strategies, and applying machine learning techniques to improve forecast accuracy. Requires 3+ years of experience in data science, statistical modeling, and analytics solution development. Proficiency in Python and SQL is essential.

Design and develop cloud-native applications using Java and React on AWS infrastructure. Implement IaC with Terraform and ensure application security.

Lead Python Engineer to design, develop, and maintain scalable finance-focused backend solutions using Python 3.1x, Flask, and AWS services. Integrate external systems, APIs, and work with Product Managers to solve customer problems. Lead and mentor the engineering team, ensuring reliable deployments and high code quality.

Design, develop, and execute manual and automated tests for cloud-native security services. Maintain and extend automated test suites integrated with CI/CD pipelines. Test REST APIs, backend services, and platform components.

Develop and implement a Contract Logistics business development strategy for Poland and Slovakia. Identify, evaluate, and manage sales opportunities, establish relationships with key decision-makers, and lead negotiations.

Golang Developer to design, develop, and maintain core backend infrastructure for an IoT/industrial data platform. Requires 5+ years backend development experience, proficiency in Go, and experience with containerized development, distributed architectures, and event-driven systems.

Junior Data Analyst will join consulting or implementation teams for financial institutions. Responsibilities include business analysis, documentation, testing, and using analytical tools (SQL, Excel, Python) for data exploration and solution design. Requires a bachelor's degree, strong English skills, and practical knowledge of SQL, Excel, and Python.

Freelance Soccer Data Collector needed to attend matches, input real-time data using a custom app, and ensure accuracy. Must have good English skills, understanding of soccer rules, and availability on weekends and evenings.

Mid Frontend Developer with 3+ years of experience building user-oriented web applications using Vue and a CSS framework. Must have strong communication skills and knowledge of testing practices.

Full-time Packaging Staff position in Białystok. Responsibilities include assembling, packing, labeling, and ensuring quality standards for products. Must adhere to safety and cleanliness standards, collaborate with team members, and report issues to supervisors.

Manages data analytics consulting projects, proposing solutions, gathering requirements, and supervising implementation. Collaborates with team members on client projects, developing data-driven solutions. Designs, develops, and implements management information products, analytical solutions, and raw data extraction processes. Provides insights on transforming raw data into visualizations to support management decisions. Leads the development of data tools for transformation, management, and access. Oversees the implementation of performance monitoring protocols in data pipelines. Supports the identification of data governance requirements and manages data accessibility.

Design, develop, and maintain finance automation solutions using Redwood or comparable platforms. Build and integrate system interfaces across financial and enterprise systems.