customer service English-speaking jobs in Zabrze

Integration Test Team member will perform exploration tests, develop automated tests in Python, and implement functional and non-functional tests.

Senior .NET Fullstack Engineer to design, develop, and optimize backend services using .NET, C#, and ASP.NET. Experience with React, TypeScript, or Angular, and SQL/EF Core is required.

Lead Java Engineer to build and own electronic trading systems for Fixed Income and FX. Design, implement, and optimize high-performance, low-latency systems. Lead a team of engineers while maintaining 90% hands-on involvement. Requires 10-15 years of Java experience in eTrading, OMS, pricing engines, or related systems.

Provides analytical and administrative support for securities and valuation processes. Ensures accurate and timely booking of transactions, prepares accounting records and reports, and verifies transactions. Collaborates with teams such as Fund Accounting, Middle Office, and Investment Managers. Requires good English, basic financial instrument knowledge, computer literacy (MS Outlook, Excel), and analytical and communication skills.

Team Leader will manage a finance team, ensuring quality service delivery and client relationship management. Requires 3+ years of experience managing finance teams, Polish accounting and tax knowledge, and experience preparing CIT returns.

Leads a team of Portfolio and PMO Analysts, driving governance, reporting, and continuous improvement across a global project portfolio. Provides portfolio insights and recommendations to executive leadership teams. Collaborates with project, program, and business teams to improve portfolio transparency and decision-making.

Guidewire Developer will work with the Guidewire Insurance Suite, utilizing cloud-native technologies (Azure, microservices, CI/CD) in an agile environment. Requires knowledge of Gosu, problem-solving skills, and proficiency in English.

Provides legal support to the EMEA Sales team, drafting, reviewing, and negotiating commercial agreements. Collaborates with management on risk assessments and ensures compliance with corporate policies. Requires a law degree, 5+ years of experience in commercial law, fluency in French and English, and proficiency in AI-powered legal technology.

Windows System Engineer needed for contract role until Dec 2026 (potential extension). Manage and support Citrix VDI environments and large-scale Windows 11 desktops. Requires 6+ years of experience with Windows, VDI, and VMware ESX. Strong PowerShell skills and knowledge of Windows OS internals and Group Policy are essential.

Experienced Business Analyst to collaborate with stakeholders, define project scope, and ensure smooth integration with systems. Requires strong technical expertise, business acumen, and experience in agile environments. Fluency in English is essential.

Construction Director to manage full lifecycle of PV and BESS projects in Poland. Lead project teams, oversee contractors, and collaborate with internal departments.

Solution Engineer needed for IoT product implementations. Requires engineering degree, software development experience, and strong communication skills. Fluency in Polish and English (German a plus).

Product Owner / Technical Project Coordinator for a strategic migration and transformation initiative. Manage priorities, coordinate activities, and ensure operational continuity. Support Java-related applications, documentation, and stakeholder communications. Fluent German required.

SiteOps Software Engineer will investigate, fix, and prevent issues in existing production systems. Responsibilities include resolving platform defects, analyzing root causes, and implementing permanent fixes. Requires 3-5 years of experience supporting or developing web applications using C#/.NET. Strong understanding of C# (.NET Framework), ASP.NET MVC, and REST APIs is needed. Experience with production incidents and defect resolution, microservices-based systems, Docker, and Kubernetes is also required. Fluent English is mandatory.

Leads a team of up to 24 software developers, contributing to software strategy, agile transformation, and roadmap development. Manages software projects and programs, ensuring alignment with business goals and delivering value to Circle K. Responsible for team performance, budget management, and adherence to software development standards and regulations. Requires a Bachelor's or Master's degree in a related field, 3+ years of experience leading software development teams, and 7+ years of hands-on software development experience. Excellent communication and leadership skills are essential.

The Technical Product Owner leads the definition, alignment, and delivery of complex system capabilities for the RDT Customer and Service Enablement Team. This role drives the product vision and roadmap, prioritizes the backlog, and guides delivery from concept to implementation. The Technical Product Owner ensures solutions follow architectural patterns and non-functional expectations, collaborates with stakeholders, and manages project budgets.

Senior DevOps Engineer will join a team responsible for the infrastructure supporting 20,000 merchants. Responsibilities include Kubernetes cluster management, CI/CD pipeline automation, monitoring and observability, hybrid infrastructure management, security, and operational toil reduction. Required skills include Kubernetes administration, CI/CD experience, scripting proficiency, and experience with monitoring and observability tools. AWS and/or GCP experience, IaC tools, and DevSecOps tooling are also desired.

Associate Managing Consultants in Strategy & Transformation advise clients on strategic, tactical, operational, and transformational business challenges. They develop strategies and programs leveraging data and technology solutions to unlock client value.

Senior Product Manager will build and shape the product team, define product vision and strategy, and lead product discovery efforts. Requires 4 years of Product Management experience, ideally in marketplace, e-commerce, SaaS, or internal tools.

Data Engineer II will design and operate data solutions for FinOps insights and SRE outcomes. Responsibilities include building and maintaining ETL/ELT pipelines, implementing data quality checks, and developing user-facing data assets. Requires 2+ years of experience with large-scale data, strong SQL skills, and proficiency with GCP services (BigQuery, Dataflow, Dataproc, or Cloud Data Fusion).