manager English-speaking jobs in Leszno

Dynamic Sales Manager to grow business across Poland, Latvia, Lithuania, Estonia, and Ukraine. Responsible for driving sales of water and wastewater treatment solutions, managing key accounts, and executing regional sales strategies.

Experienced Java Developer needed to build and maintain enterprise applications in banking/finance. Focus on Java 17/21, Spring Boot, microservices, and relational databases.

Key Account Specialist supporting Key Account Managers in the EMEA region. Responsibilities include handling customer communication, RFQs, price lists, and process automation. Requires English fluency (min. B2) and strong data analysis skills.

Solution Engineer to align technical solutions like ML, LLMs, and cloud data platforms with client business goals. Act as a technical advisor during pre-sales, shaping solution concepts and supporting discovery. Requires expertise in AI/ML workflows and modern data engineering.

I2C Senior Dispute Analyst needed to resolve invoice disputes by analyzing data and engaging with customers. Requires 2+ years in I2C/AR and fluency in English and German.

Experienced Platform/System Validation Engineer to guarantee networking platform resilience and performance. Responsibilities include system bring-up, soak testing, and maintaining platform stability using Python, C, SONiC, and ONIE.

Develop and execute sales strategy for thermoplastics and polymer raw materials in Poland. Focus on business development, expanding customer portfolios, and managing key industry relationships.

Develop and execute sourcing and category management strategies for installation services across Eastern Europe & Mediterranean. Manage supplier networks, negotiate contracts, and drive cost efficiency and operational excellence.

Experienced GCP Senior Pre-Sales Architect needed to drive cloud transformation. This role spans solution discovery, design, implementation, and delivery of enterprise-scale GCP solutions. Requires deep technical expertise and strong customer-facing skills.

Sales Associate to support sales efforts in utility-scale PV and BESS projects. Responsibilities include tender support, customer correspondence in Polish and English, and preparing documentation. Requires strong organizational skills and communication.

DevOps Tech Lead to own end-to-end infrastructure for a cloud-native data lakehouse on AWS/Kubernetes. Focus includes deploying solutions, integrating with client standards, and delivering an MVP for high-volume Kafka streams.

Supervise Sales Associates, manage scheduling, handle store/office orders, and maintain stockroom organization. Ensure money handling procedures and merchandise presentation meet guidelines.

IT Operations Engineer to support enterprise Windows Server environments across 270+ European locations. Manage updates, security patches, and use automation tools like Tanium. Requires 5+ years in IT Operations and fluent English.

Desktop Support Engineer role requires 2-4 years troubleshooting desktops, laptops, and printers. Responsibilities include software installation, system deployment, remote support, and managing hardware/software tickets within SLA.

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 .NET Fullstack Developer/Tech Lead for Frontex IT systems. Requires 6+ years IT experience, expertise in microservices, Angular, .NET, Node.js, and design patterns.

Full-Stack Software Engineer to develop and maintain backend services and user interfaces for Sabre's travel distribution ecosystem. Requires strong experience in Java, Spring Boot, modern JavaScript, and React, including API integration.

Sales Representative for B2B Field Sales in Interior Design in North Poland. Generate new B2B opportunities, manage key accounts, and build relationships with architects and designers. Requires B2B/field sales experience and conversational English.

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

Engineering Manager to lead an engineering domain, bridging technical expertise with commercial instincts. Responsibilities include roadmapping, team leadership, and technical strategy. Requires 5+ years in web applications and 2+ years in team management.