manager English-speaking jobs in Leszno

Collections Specialist needed for a 6-month contract at HEINEKEN Kraków. Responsibilities include managing customer ledgers, acting as a business partner to OpCos, handling customer calls, resolving disputes, and driving process improvements. Requires German (C1 level), English (B2 level), 3+ years of OTC collection experience, and strong customer focus.

Junior Customer Care Specialist will handle customer inquiries via phone, chat, and email, activate customers, and assist with problem resolution.

Senior Python Software Engineer to deliver high-impact data analytics and Machine Learning solutions. Collaborate with international teams, research technical options, and contribute to functional and architectural decisions.

Develop and support kernels for linear algebra operations on AI hardware. Design, implement, and optimize kernels in C++ for GEMM, convolutions, reductions, and elementwise operations. Profile and optimize for performance across threading, cache locality, memory layout, and kernel launch efficiency.

As a DC Infrastructure Technician, you will install, maintain, and repair datacenter infrastructure equipment. Responsibilities include ensuring the continuity of service, managing logistics, and complying with safety protocols. You will also carry out preventative and recurring maintenance operations on electrical systems, mechanical systems, and infrastructure equipment.

Senior Data & AI Consultant/Consulting Lead will drive the lifecycle of data & AI projects from business development to implementation. Collaborate with clients to understand their data challenges and advise on solutions, including data governance, model governance, and MLOps. Contribute to the growth strategy and development of new consulting offerings.

Platform Engineer / DevOps to design and evolve an event-driven platform based on n8n workflows. Responsibilities include building and supporting the platform, designing scalable workflow orchestration solutions, and implementing resilience patterns.

Collaborate in a dynamic team to drive client performance in areas like energy efficiency and product quality. Develop and implement AI advisory systems, optimize process control systems, and unlock plant bottlenecks. Implement and maintain MLOps pipelines, possess strong DevOps and backend engineering capabilities.

Senior Solution Architect specializing in open source technologies. Designs, leads development, and implements secure, scalable solutions leveraging Linux, Apache, PostgreSQL, Kafka, and more. Requires 5+ years of experience in solutions architecture and proven expertise in open source technology stacks.

Senior IT Service Desk Technician provides on-site support to approximately 25 users in the Gdynia office. Responsibilities include troubleshooting hardware and software issues, managing user accounts, and maintaining IT infrastructure. Requires 4+ years of IT support experience, relevant certifications, and familiarity with ITIL principles.

This Go-To-Market Operations Specialist role focuses on optimizing inbound lead funnels, managing sales systems, and improving data quality. The ideal candidate will have experience with SaaS tools, B2B SaaS revenue operations, and automation implementation.

ERP Consultant to support D365 users, business projects, and implementations across international entities. Requires experience as an ERP Specialist in production, strong D365 F&O knowledge, and excellent communication skills.

The IT Information Security Manager will implement security policies, procedures, and training programs. The role involves collaborating with data protection officers, managing security threats and incidents, and acting as the primary point of contact for security matters.

React Developer will contribute to application design and development, adhering to Agile practices. Requires 2-5 years of experience with React or Angular, JavaScript, TypeScript, and state management libraries. Must have experience with unit testing, RESTful APIs, and tools like Jira and Azure DevOps. Fluency in Polish and English is required.

Assess risk for motor fleet portfolios, prepare offers, and manage fleet insurance programs. Develop insurance products for corporate clients and monitor portfolio performance. Requires 5+ years of experience, knowledge of motor insurance pricing/accounting, and strong negotiation skills.

Student to support recruitment, learning administration, and employment/payroll data processing. Liaise with colleagues in Poland and Nordic countries.

Provide phone, email, chat, and forum support to German-speaking customers and partners. Handle administrative tasks and resolve complaints. Fluency in German and English required.

AgileEngine seeks a DevOps Engineer to design, build, and operate containerized and serverless workloads on AWS. Responsibilities include implementing infrastructure as code, establishing CI/CD pipelines, and providing technical mentorship.

The Accounts & Supplier Payable Assistant supports the Finance team by ensuring timely and accurate travel supplier payments. Responsibilities include conducting payment runs, managing pre-funded airline accounts, reconciling payments, resolving supplier queries, and assisting with month-end close processes.

Develop ServiceNow solutions to support Global Business Services (GBS) accounting processes. Design, build, and maintain workflows, integrations, and custom applications. Collaborate with Business Analysts, Solution Architects, and other teams.