manager English-speaking jobs in Leszno

Lead R&D initiatives and contribute to projects related to transient protection of distribution transformers. Collaborate with engineers and stakeholders to ensure alignment of transient mitigation strategies. Assess electrical stresses due to transient overvoltages and determine design criteria for insulation structures.

Leads treasury operations, including cash flow management, bank relationships, risk management, and compliance. Requires 8+ years of experience in corporate treasury, banking, or financial management. Proven track record of team leadership and experience with international banking.

Leads a team focused on modernizing regulatory submission document creation and management, including structured content management and agentic AI. Develops and deploys platforms for content reuse and collaborates with business functions to align technology solutions with business needs. Manages team budget, performance, and fosters a healthy team culture. Requires 5+ years of people leadership experience and 2+ years in the pharmaceutical, biotechnology, or regulated healthcare technology industry. Bachelor's or advanced degree in Business or IT is required.

Lead biostatistics for clinical trials and regulatory submissions. Define statistical strategy, conduct analyses, and interpret results. Experience with Bayesian methods, adaptive designs, and regulatory guidance required. PhD or MS in Biostatistics, Statistics, or related field. Minimum 8 years of experience in clinical trial statistics.

Digital Asset Operations Senior Manager – GD Cash Specialist will serve as a cash subject matter expert, participating in workstreams to build digital asset operations within State Street's infrastructure. This role requires proficiency in the cash processing lifecycle, knowledge of cash flows and underlying systems, and experience with payment initiation types. The candidate will manage risks, resources, and stakeholder communications, and provide regular updates to both functional and digital asset operations leadership teams. This role reports to both GD Cash leadership and digital asset operations leadership.

Lead the design of intuitive UI for Cyberpunk 2, driving the end-to-end design process from user flows to final visuals. Collaborate with UX, design, and engineering teams to ensure alignment between creative vision, functionality, and technical feasibility.

Andersen is seeking a Rust Developer to build a cloud enterprise platform. Responsibilities include developing and maintaining backend services, implementing API functionality, and ensuring data correctness. Must have 3+ years of experience with Rust in production environments and experience developing server-side applications.

Senior Business Analyst to join a long-term project for an international energy client. Focus on building and scaling an enterprise Agile tooling platform based on the Atlassian ecosystem. Gather, structure, and document business requirements, translate needs into functional requirements, and support backlog refinement.

QA Engineer will own product quality for a game with millions of players. Responsibilities include fixing quality issues, driving fixes, running QA sessions, testing PRs, monitoring bug channels, and ensuring every significant change is tested across platforms.

Maintain, support, and develop network environments including data centers and office locations. Implement and manage network solutions, firewalls, and disaster recovery procedures. Provide operational support, monitor infrastructure, and collaborate with vendors.

This role combines strategic analytics, project leadership, and people development to drive sales performance and data-driven decision making. The Sales Force Effectiveness Analyst supports the affiliate's Sales Force Effectiveness and In-Field Team Excellence capabilities, manages projects, and analyzes KPIs.

Senior Product Care Engineer develops and maintains technical documentation, including BOMs, user manuals, and graphics. Leads cost optimization and quality improvement projects, collaborating with cross-functional teams. Requires 5+ years of experience in technical documentation, product development, and cost/quality improvement within the home appliance industry. Fluent in Italian and English.

Data Steward ensures product information accuracy and completeness across all channels. Validates, enriches, and syndicates data through inRiver, resolving data gaps and supporting business teams. Requires 3+ years of data management experience, proficiency in Excel, and experience with PIM tools (inRiver, Salsify, Informatica, Akeneo).

Design and implement high-throughput, low-latency services and libraries in Rust and TypeScript. Integrate existing systems with new blockchains and build systems that process over 1.2 billion operations daily. Collaborate with product and infrastructure teams to define and deliver blockchain data needs.

Quality Assurance Engineer needed to ensure quality and regulatory compliance of medical devices. Responsibilities include providing quality oversight of manufacturing processes, supporting product lifecycle activities, and ensuring compliance with ISO 13485 and internal quality standards. Requires a university degree in a relevant field, minimum 3 years of quality-related experience, and fluency in English.

Senior Python Developer needed for contract role. Focus on secure API integrations and microservices on Azure. Requires 7+ years Azure development experience, Python expertise, and additional Java or .NET skills.

Digital Project Manager needed to coordinate end-to-end project lifecycles, brief creative and technical teams, and manage project documentation. Requires proven experience in digital project management, exceptional stakeholder management, and strong cross-team coordination skills. Full professional proficiency in English (C1 level) is required.

Software Engineer will design, build, and deploy integrations with hotel and fintech systems. Experience with Ruby on Rails, Typescript, Node.js, and Postgres is required.

Software Development Engineer will design, build, and own features across Ring's software stack. Integrate AI tooling into development workflow and collaborate with cross-functional teams.

The Jagiellonian University's Institute of Theoretical Physics seeks a research assistant for a 33-month position starting October 1, 2026. Candidates should demonstrate strong research interest, publication record, and collaborative skills. International experience and research grant involvement are advantageous.