44 English-speaking jobs in Białystok

Product Expert owns the customer relationship from trial to renewal for US e-commerce businesses. This role combines product expertise with a commercial mindset, handling onboarding, support, and driving customer value.

Senior Full-Stack Engineer to build AI security automation. Focus is on backend workflows, APIs, data models, and UI using TypeScript, Node.js, React, and AI integration. Requires 5+ years of full-stack experience.

Build scalable cloud-native data platforms using Databricks, Spark, AWS, and Azure for fusion energy research. Requires 3+ years in Data Engineering with expertise in Python, SQL, and Databricks components.

Lead complex Human Capital transformation programmes, translating strategy into execution across global teams. Manage delivery, governance, risks, and stakeholder alignment for strategic initiatives.

Senior Backend Engineer to architect the core engine for a massive-scale simulation platform. Own the compute layer bridging on-prem HPC clusters with AWS infrastructure. Requires depth in Java, C++, or Python, and experience with AWS, Kubernetes, and Terraform.

Senior QA Automation Engineer requires 6+ years in web test automation using TypeScript/JavaScript and Playwright. Must have strong SQL skills, API testing experience, and CI/CD integration. Focus on data migrations and multi-tenant systems.

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.

Lead network automation for microwave infrastructure by standardizing models and developing automation components. Requires strong Java/Python skills, experience with CI/CD, and knowledge of NETCONF/YANG.

Security Specialist - Penetration Tester role involves identifying and investigating security vulnerabilities. Responsibilities include contributing to testing methods, creating reports, and mentoring. Requires 3+ years in web/infrastructure penetration testing.

Operate and support network security infrastructure in a data center environment. Handle incidents, changes, and service requests, providing 24/7 support. Requires 8+ years in network/security engineering with experience in Juniper, Fortinet, and F5.

Senior Data Scientist role focusing on LLM Clinical NLP. Build and improve LLM/transformer pipelines to extract structured data from clinical notes. Requires hands-on NLP with BERT/RoBERTa and generative LLMs.

Appian Developer to build and maintain applications using the Appian low-code platform. Responsibilities include designing SAIL interfaces, workflows, and integrating with external systems via REST/SOAP APIs. Requires experience with Appian objects, SQL, and deployment.

Senior Data Engineer to contribute to a banking platform for a Japanese financial group. Responsibilities include designing ETL pipelines, building integrations (APIs, SQL, S3, SFTP), and ensuring data accuracy. Requires 5+ years ETL experience and Python skills.

Senior Data Engineer to design and scale cloud data platforms using Azure, Databricks, and Spark. Responsibilities include building production-grade pipelines, driving data architecture, and implementing DataOps practices. Requires 4+ years of Data Engineering experience.

Experienced Workday ERP Consultant needed for freelance engagement. Design, build, and maintain HR solutions using Workday and other HR systems. Support technical and functional implementation, optimizing processes. Requires 3+ years in Workday implementation/consulting.

Experienced Workday Integration Engineer needed for B2B contract. Design, build, and maintain AWS integrations between Workday HRIS and internal/external systems using Python, Terraform, and AWS services.

DevOps Cloud Infrastructure Engineer needed for B2B contract to connect Flix's cloud platform with a new train fleet. Responsibilities include building secure, reliable cloud infrastructure using Terraform/Terragrunt on AWS or other major platforms.

Insurance Broker in Health & Benefits managing a client portfolio. Responsibilities include negotiating and implementing insurance solutions, analyzing data, and expanding client cooperation. Requires knowledge of life insurance and medical programs.

Lead teams in HR controls, data quality, and process optimization for Workday HCM. Drive continuous improvement, manage governance, and ensure reliable, well-governed People processes.

Lead IT implementation or advisory projects for the Insurance sector, combining consulting with project management. Oversee projects from start to finish, managing scope, budget, and risks. Requires 7+ years in IT projects for Insurance.