manager English-speaking jobs in Leszno

Senior Software Engineer will design and build scalable web applications using Next.js, React, and TypeScript. Responsibilities include end-to-end development, performance optimization, and collaboration with cross-functional teams.

Marketing Manager responsible for sales collateral, events, website, and social media. Executes marketing strategy, manages projects, and collaborates with stakeholders. Requires strong B2B/B2G marketing experience, excellent written and spoken English, and 5 years of relevant experience.

Develop Python libraries, data pipelines, and analytical tools for a leading financial technology firm specializing in trading infrastructure. Analyze trading behavior, optimize execution strategies, and support high-performance live trading environments.

Experienced SAP CO Manager/Team Lead needed for large-scale ECC and S/4HANA implementations. Lead SAP CO workstreams, own end-to-end solution design, and ensure high-quality delivery. Requires 8-12+ years of SAP CO experience, including proven experience as CO Lead/Manager/Workstream Lead. Hands-on expertise in FI-CO integration and Controlling processes for manufacturing. Deep knowledge of CO-PA, Product Costing, and Profit Center Accounting. Experience in at least 2 full-cycle S/4HANA implementations or conversions. Ability to manage consultants across multiple countries and work within complex global IT structures. Strong understanding of end-to-end business processes, data migration, configuration, and change management.

Senior Analytics Engineer will build and maintain business models, develop data marts, and implement data quality frameworks. Requires advanced SQL, data modeling, and experience with dbt, Iceberg, Athena, and Airflow.

Experienced Data Scientist with AI to design, develop, and deploy Machine Learning and Generative AI solutions. Lead end-to-end projects, build scalable AI/ML pipelines, and develop LLM-based applications. Requires 4+ years of experience, strong Python skills, and experience with cloud AI platforms.

Senior Data Engineer will design, build, and scale cloud data platforms for clients. Responsibilities include designing data pipelines, leading technical design of cloud data architectures, and collaborating with stakeholders. Requires 4+ years of experience as a Data Engineer, 2+ years with cloud platforms (Azure preferred), strong Python and SQL skills, and expertise in DWH data modeling and ETL/ELT architectures.

Relativity seeks a Senior Salesforce Application Administrator – CPQ to manage and optimize our Salesforce CPQ platform. This role collaborates with various teams to deliver scalable CPQ solutions, including new products, pricing, and packaging initiatives. Responsibilities include designing and implementing CPQ solutions, administering Salesforce CPQ features, and providing daily support and troubleshooting.

Provides production application support for the Institutional Fixed Income Electronic Trading Platform, ensuring high availability and resolving issues. Requires 7+ years of experience in a high-pressure environment, strong problem-solving skills, and expertise in OOPs languages, scripting, and databases.

Senior Data Scientist will build and iterate on machine learning models powering personalization for conversion pages. The role involves executing decisioning models, coordinating with Product and Engineering, and designing experiments. Requires 5 years of experience in data science, machine learning, and A/B testing.

Project Managers with experience in Financial Services are sought for future opportunities in Poland. We are building a network of Project Managers for upcoming and confidential hiring needs.

Provide technical support to users in German via phone, chat, and email. Diagnose and resolve basic IT incidents, guide users through solutions, and escalate complex issues. Document interactions and utilize knowledge base resources.

Supervises accuracy of DHF/TF product documentation, analyzes impact of technical changes, and supports complaints analysis. Collaborates on product design verification. Requires higher education in a technical field, experience with documentation and international standards, and English proficiency (B2 minimum). Experience in a similar role is desirable.

The Technical Product Owner (TPO) for MyFreddyAI acts as the primary interface between commercial strategy and engineering execution for HEINEKEN’s commercial AI platform. The TPO owns the “What” and the “How” from the technical perspective, ensuring the engineering team builds high-impact, scalable solutions. Responsibilities include backlog management, stakeholder orchestration, product roadmap ownership, technical decision making, acceptance and quality control, and value tracking.

Experienced Platform Architect to define and drive an end-to-end API strategy for a cloud-native organization. Responsibilities include shaping API standards, architecture, governance, and tooling across internal and external consumers. This role requires deep platform engineering expertise, cross-team leadership, and hands-on experience with AWS services.

Experienced Java Developer with 3+ years of experience sought for AI-related projects. Responsibilities include designing and implementing AI agents, integrating LLM-powered services, and contributing to scalable architectures. Strong understanding of vector databases, embeddings, and prompt engineering is required.

Product Owner will own product domain end-to-end, including backlog management, roadmap, and delivery outcomes. Responsibilities include defining and maintaining a prioritized backlog, writing user stories, and collaborating with stakeholders to ensure alignment with product strategy. Must have experience as a Product Owner, backlog hygiene discipline, strong user story writing, and experience managing stakeholder input.

Lead a team of senior full-stack developers building scalable features using Next.js, React, TypeScript, Prisma, and PostgreSQL. Architect systems, design database schemas, and optimize performance-critical queries. Integrate third-party APIs and develop admin dashboards, internal tools, and complex user interfaces. Mentor developers and drive engineering excellence.

Billennium seeks a Backend Python Developer to design, develop, and maintain cloud infrastructure for ComOps GenAI applications. Responsibilities include delivering software, refining requirements, and collaborating with DevOps, Frontend, and QA teams. Requirements include proficiency in Python, Django, FastAPI, PostgreSQL, MongoDB, AWS, LLM, and APIs.

Fullstack Developer with 2.5 years of experience needed. Expertise in React, Python, and cloud platforms (Azure, AWS, or GCP) required. Build and maintain scalable web applications and APIs. Collaborate with teams to deliver high-quality solutions.