manager English-speaking jobs in Leszno

As a Business Development Representative, you will cultivate and manage customer relationships, identify and solve business technology needs, and achieve sales targets. You will negotiate and close deals, recommend products, and build a healthy sales pipeline.

Business Analyst to drive business transformation through automation solutions and AI tools. Translate business needs into technical requirements and support the design, testing, and deployment of Intelligent Automation solutions.

Senior Growth Product Manager to drive top-of-funnel growth through funnel optimization, user registration, and payment. Requires 5+ years of product management and growth experience with a proven track record of optimizing B2C web funnels.

Leads Human Security and Gender advocacy within the Joint Force Training Centre, integrating NATO's agenda into training, wargaming, and operational planning. Provides guidance on Human Security, gender, and civil-military cooperation. Represents JFTC at related events.

Senior AI Engineer needed for long-term project. Develop and improve AI-driven solutions, including chatbots, using LLMs and RAG approaches. Experience with cloud platforms (Azure/AWS/GCP), Python, and software engineering practices required.

Senior Frontend Developer to enhance product and user experience. 7+ years JavaScript, 5+ years React, 4+ years Next.js, and 3+ years Typescript experience required. Strong Vite ecosystem and build tool knowledge needed. Collaborate with design team, optimize website performance, and mentor other developers. English fluency required.

Support the Head of Sales and Head of Growth by shaping the scope of IT projects and providing technical expertise for proposals. Translate client needs into clear project scopes and value propositions. Estimate project timelines and identify potential risks.

Investigate, fix, and prevent issues in existing production systems. Resolve platform defects and technical debt. Work with Development, DevOps, and Architecture teams to ensure reliable systems. 3-5 years experience supporting or developing web applications using C#/.NET. Strong understanding of C# (.NET Framework), ASP.NET MVC, and REST APIs. Experience working with production incidents and defect resolution. Good understanding of microservices-based systems. Familiarity with Docker and Kubernetes (operational level). Experience with testing practices related to bug fixing and regression prevention. Comfortable working in incident-driven environments. Fluent in English.

Senior JavaScript Engineer will maintain a project, resolve bugs, and participate in architecture and design efforts. Responsibilities include code review, optimization, and implementation. Requires 5+ years of experience developing React.JS applications, HTML front end stack, and modern CSS frameworks. Experience with state-management patterns, API integration, and UI design management tools is also needed.

Design, build, and optimize high-availability, high-performance systems using Kotlin, Spring, Kafka, and Kubernetes. You'll work in an agile, autonomous team with full ownership of your microservices.

Danfoss seeks a SIOP IBP Consultant to implement and optimize SAP IBP solutions. The role involves configuring IBP modules, integrating with ERP systems, and improving planning efficiency. Requires 3+ years of SAP IBP implementation experience and expertise in IBP modules, configuration, and forecasting methodologies.

Operates production machinery, ensuring quality and quantity targets are met. Performs preventive maintenance, follows work instructions, and participates in continuous improvement initiatives. Maintains a safe and organized work environment.

NetApp ONTAP / NAS Storage Engineer designs, builds, operates, and improves NAS solutions. Responsibilities include architecture, capacity management, data protection, incident response, automation, and file service support. Requires 5+ years of enterprise storage experience, including 3+ years with NetApp ONTAP / NAS, a Bachelor's degree, NetApp Certified Data Administrator (NCDA) and ITIL Foundation certifications, and expertise in NetApp data protection and HA technologies.

Senior Software Engineer to mentor a team, ensuring stability and continuous improvement of internal applications. Requires expertise in Python, Linux, Bash, and Google Cloud Platform.

Designs, develops, and implements new connectivity products, from concept to production. Proposes innovations and new technologies for existing products and processes. Researches new materials and processing techniques. Documents ideas for potential patents.

IT Intern will join an international development team working on core Bosch Mobility applications. Tasks include maintaining, improving, and extending software, collaborating with developers, and participating in code reviews. Requires Java experience (Springboot, Hibernate, web services, REST, APIs), Agile knowledge (Scrum, Kanban), unit testing (Junit, Jupiter, Mockito), and Git/Git Flow. Must be a current student with 30-40 hours per week availability and good English skills.

Finance intern supporting the Invoice to Cash process. Fluent in English and Italian required. Must be eligible to work in Poland. Minimum 20 hours per week for a 6-month program.

Leads complex ERP solution delivery, solves product issues, and contributes to architecture. Guides product teams, communicates with stakeholders, and makes independent product-level decisions.

This role supports VAT reporting compliance for multiple jurisdictions, ensuring deadlines are met and transactions are processed accurately. The Senior Analyst will assist with VAT return preparation, provide technical support to stakeholders, and monitor VAT reconciliations. Strong analytical skills, attention to detail, and proficiency in English are required.

Leads and develops data and analytics engineering teams to deliver scalable, reliable solutions for commercial decision-making. Experience with Snowflake, data modeling, dbt, Airflow, and CI/CD practices required.