20 English-speaking jobs in Koszalin

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

Senior Data Engineer to contribute to a banking platform for a leading Japanese financial group. Responsibilities include designing and implementing data processing pipelines, building integrations, and developing ETL workflows. Requires 5+ years of ETL experience, strong SQL, and Python skills.

Lead Backend Software Engineer for EU teams, responsible for technical strategy and execution across transaction and ledger systems. Requires 8+ years of experience with Python, Kotlin, AWS, MySQL, and Kubernetes.

Lead Software Engineer for EU teams, responsible for technical strategy across frontend and backend systems. Requires 8+ years of experience with scalable technologies like Python, Kotlin, AWS, and proficiency in frontend development.

Lead Backend Software Engineer for EU credit systems. Responsible for technical strategy, designing scalable systems using Python, Kotlin, AWS, and Kubernetes, and ensuring operational excellence.

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.

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.

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 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.

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, designing systems, and ensuring observability. AWS experience preferred.

Lead Staff Software Engineer for EU cards, responsible for backend architecture across transaction and ledger systems. Requires 8+ years of experience with Python, Kotlin, AWS, and scaling backend systems.

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.

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.

Experienced DevOps Engineer needed for project-based collaboration. Responsibilities include designing, automating, and maintaining AWS and Kubernetes cloud infrastructure, supporting IaC with Terraform, and improving CI/CD processes.

Lead a large Technical Accounting team, focusing on performance, collaboration, and stakeholder partnership. Responsibilities include supervising operations, managing projects, coaching, and driving continuous improvement. Requires experience leading complex teams.

Senior Software Engineer Fraud to design and implement real-time fraud decisioning services in Python or Kotlin. Own goals, build platform tooling for global expansion, and integrate risk vendors. Requires 5+ years building backend systems at scale.

Senior Data Engineer needed to build big data products using Azure Databricks for global clients. Responsibilities include designing scalable data solutions, managing the data lifecycle, and developing data pipelines. Requires 4+ years in Azure and 6+ years in large-scale data management.

Senior Fullstack Mobile Engineer KMP role building digital financial products. Develop shared logic via KMP, design backend services with Java/Spring Boot, and enhance customer-facing mobile features. Requires strong Kotlin/KMP and mobile architecture skills.