1519 English-speaking jobs in Poznań

Senior Software Engineer to design, develop, and maintain backend solutions, APIs, and printing applications for industrial marking systems. Requires experience in C#/.NET, Python, and software engineering best practices.

Implement and monitor security measures across applications, systems, and networks. Define security requirements, configure and troubleshoot security components, and build tools to detect and mitigate vulnerabilities. Manage vulnerability assessments, penetration tests, and bug bounty reports. Champion secure coding practices and integrate automated security checks into CI/CD pipelines. Investigate and respond to security incidents, assess security posture, and deliver reports on risks and remediation progress.

Experienced Business Analyst to analyze business processes, co-develop solutions, and improve existing processes. Collaborate with departments, document functionalities, and work with IT during implementation.

Lead Data Scientist will own the full ML lifecycle, architecting inference for embedded/edge environments and implementing AWS ML platform capabilities. Requires 10+ years in Data Science/ML, expertise in Python, deep learning, AWS ML/AI, and MLOps. Proven experience with LLMs/RAG, model optimization, and edge deployment is essential. Strong software engineering and leadership skills are also required.

Financial Services Account Associate Specialist to support the Client Services team in Poznan. Responsibilities include handling customer inquiries, resolving issues, and verifying orders. Fluent German (C1) and good English communication skills are required. Experience in finance or customer service is a plus.

Every day, our talented teams work to prevent cyber extortion, secure critical infrastructure, and prevent misuse of sensitive data. At WithSecure, it’s our people who make us exceptional – a diverse community that values passion, purpose, and a commitment to workplace well-being.

Manage client projects and internal initiatives from initiation to closure. Advise clients on project, program, and portfolio management standards. Lead project and PMO teams to achieve project goals.

Fullstack Engineer needed for a global online platform connecting users with local retailers for on-demand delivery. Requires 5+ years of experience with Python and React, strong frontend and backend skills, and excellent problem-solving abilities.

Payroll Specialist will process end-to-end UK payroll for employees using Workday. Responsibilities include ensuring timely and accurate payroll, compliance with UK tax regulations, resolving payroll queries, and supporting payroll projects. Requires 5+ years of UK payroll experience, Workday knowledge, and experience with a third-party payroll provider.

Senior Backend Engineer will contribute to building scalable, high-impact solutions for Motors, Real Estate, OLX Classifieds, or Platforms. Responsibilities include leading projects, mentoring junior engineers, and driving innovation. Experience with Golang, Java/Kotlin, or PHP, relational and non-relational databases, and AWS is required.

Experienced Project Manager to lead StayinFront Digital initiatives. Oversee project planning, execution, and delivery across the full lifecycle. Manage risks, quality, and resources. Collaborate with stakeholders and teams to ensure successful project completion.

Provide one-on-one guitar lessons tailored to students' skill levels and musical preferences. Teach core skills, support performance preparation, and offer constructive feedback.

Develop and manage automated API tests for a spec-driven API testing solution. Design and build REST APIs for test runners and infrastructure. Prototype and build new features for easy API test creation.

Experienced IT Finance Business Applications Project Manager needed to lead the delivery of financial application projects integrated with ERP systems.

The CMC Mature Vx Delivery Lead manages complex CMC submissions for registered vaccines products, ensuring the quality and accuracy of CMC-related information. This role involves planning, coordinating, and executing submissions, addressing regulatory requirements for Active Pharmaceutical Ingredients, Intermediates, and Drug Products. The CMC Mature Vx Delivery Lead collaborates cross-functionally with teams to build regulatory CMC submissions and maintain strong relationships.

Develop and integrate Python-based backend components for AI-driven solutions, focusing on LLMs, agentic architectures, and data-centric engineering. Build and maintain RAG pipelines, vector databases, and retrieval logic. Collaborate with clients and developers on agile project teams.

Supports Category Managers in preparing and administering contract documents. Monitors contract compliance and administers contract lifecycles within company systems. Screens potential suppliers and coordinates contract-related activities.

Project Manager (freelance) will be responsible for full project delivery, building relationships with stakeholders, developing and executing project plans, and managing the project team. Requires 7+ years of experience as a Project Manager in a large consulting firm, proven track record in international projects, and proficiency in GenAI, Scrum, and common project management methods. Must have excellent communication and presentation skills, problem-solving attitude, and C1 level English.

Senior DevOps Engineer will design, build, and maintain scalable cloud infrastructure in Microsoft Azure, focusing on Azure Kubernetes Service (AKS). Responsibilities include developing Infrastructure as Code, building and supporting CI/CD pipelines, and enabling microservice-based architectures.

The L3 SOC Analyst investigates complex security incidents, analyzes attack paths, and enhances SOC capabilities. Requires 4-6+ years of experience in SOC, incident response, or DFIR, with expertise in threat hunting, TTPs, and infrastructure services. Strong analytical and communication skills are essential.