137 English-speaking jobs in Białystok

Senior Python Engineer needed for a large-scale utility service platform transforming the global energy industry. Design, develop, and maintain scalable finance-focused backend solutions using Python and Django. Integrate external systems and APIs, write high-quality code, and participate in peer reviews. Must have strong Python engineering skills, experience with Django, API development, and automated testing. AWS experience is required.

Relativity’s Application Security team prevents, detects, and reviews remediation of security issues within Relativity software products. This role designs, implements, and promotes a community of practice to foster security awareness and collaboration. Responsibilities include technical reviews of software products, code, features, tools, and infrastructure to validate security best practices. Respond to customer security questions and reproduce customer vulnerability reports. Innovate and integrate new methodologies for hardening software supply chain security. Facilitate penetration tests of Relativity products. Assist with security compliance audits. Maintain and optimize software package security scanning and secure code scanning tools.

This role involves conducting live reports, preparing and presenting topics on air, and building a network of contacts and information sources.

QA Engineer needed for AEM (Adobe Experience Manager) platforms. Responsibilities include requirement analysis, test planning, manual testing, and documentation. Minimum 3 years of manual testing experience and strong Jira knowledge required. AEM experience is a plus.

Execute manual, integration, and regression tests based on project requirements. Report, track, and verify defects using test and defect management tools.

Designs, develops, and maintains .NET applications and services. Writes and maintains automated tests. Collaborates with QA, DevOps, and product teams.

Designs, implements, and maintains automated test solutions for web, API, and mobile applications. Executes functional, integration, acceptance, and automated tests. Develops and maintains automated test frameworks using Selenium WebDriver or similar tools.

Experienced MicroStrategy Specialist needed to support and evolve an existing on-premises BI platform. Responsibilities include maintaining the environment, optimizing performance, and collaborating on transition or replacement initiatives.

Godel seeks an Agile Delivery Coordinator to ensure smooth project execution and client satisfaction. The role combines Scrum Master and Project Manager responsibilities, requiring strong communication, collaboration, and problem-solving skills. Experience with Agile frameworks, project delivery, and stakeholder management is essential. Familiarity with AI tools and a willingness to learn and experiment with AI applications in software development are highly valued.

Experienced Golang Developers sought to build scalable backend services and APIs. 5+ years of Go experience, RESTful APIs, and database knowledge required.

Integration Specialist to design and implement finance automation solutions using Redwood. Experience with financial/banking processes and system integration required.

Senior Node.js Developer needed for full-time position. Develop and maintain backend services using Node.js and NestJS. Build and support serverless components on AWS (Lambda, Glue, DynamoDB). Experience with microservices and data-heavy backend systems required. Excellent communication and problem-solving skills essential.

Senior Software Engineer needed for full-time position. Requires strong Java backend development experience, API building and integration, and experience with Kafka, relational and NoSQL databases. Responsibilities include client and partner migrations, codebase transitions, and system integrations.

Svitla Systems seeks a Middle ML Engineer with 3+ years of experience delivering production AI/ML systems. Requires strong Python, SQL, and software engineering fundamentals. Proven experience with LLM applications in production (RAG, embeddings, vector search, model versioning) and understanding of model training/evaluation (PyTorch; scikit-learn). Experience with cloud deployment and operations on AWS and/or Azure is necessary.

Senior Full Stack Engineer will contribute to a global gig-economy marketplace platform. Responsibilities include designing, building, and maintaining scalable APIs and microservices, developing CI/CD pipelines, and collaborating with cross-functional teams.

Senior AI-first Engineer needed to design, develop, and maintain full-stack features using AI tools throughout the development lifecycle. Must have experience with AI coding assistants, prompt engineering, and .NET/C#, JavaScript, and React. Requires strong communication skills and experience working with clients.

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 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.

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).

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.