28 English-speaking jobs in Poznań

Senior Backend Engineer to develop a programmatic advertising platform using high-throughput, low-latency systems. Responsibilities include building ad-buying services and improving performance. Requires senior experience in RTB or AdTech with Node.js, Go, Rust, Java, or Python.

Senior Platform Engineer - Generative AI builds an Enterprise Agent Development Platform using LangGraph and Strands Agents on AWS AgentCore Runtime. Responsibilities include implementing promotion workflows, managing rollbacks, and enforcing evaluation gates. Requires 3+ years of platform/backend engineering experience with AI/ML systems.

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.

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.

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.

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.

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.

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 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.

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

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.

Senior Go Developer to build security-focused solutions in the software supply chain space. Develop and maintain backend services and APIs for SBOM generation, data processing, and tool integration. Requires 3+ years of Go backend experience.

Senior Data Engineer to build and operate scalable data pipelines in an Azure Databricks Lakehouse environment. Responsibilities include developing pipelines using Python/PySpark, implementing Bronze→Silver→Gold architecture, and ensuring data quality and compliance for global operations.

Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! About the role We are looking for a Infrastructure Engineer & SRE to operate and improve a Kubernetes-based API platform across public and private cloud environments, including automation, tooling, and incident management.

Seeking an SAP ABAP Engineering Manager to analyze requirements, design, and implement solutions in an Agile environment. Requires ABAP proficiency, S/4HANA experience, and leadership managing teams of 10+.

Senior Salesforce Marketing Cloud Business Analyst supporting a food retail group across European markets. Serve as a subject matter expert, gathering and documenting requirements, and designing technology solutions. Requires 3+ years of experience and strong Agile skills.

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.

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.

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.

Guide teams on architectural and technical challenges. Develop solutions, design roadmaps, and provide technical guidance on cloud and on-premise systems. Requires 7+ years in Solution Architecture.