customer service English-speaking jobs in Zabrze

Build and improve ML components across data, training, evaluation, and inference. Fine-tune and adapt models as part of larger production systems. Debug model issues, performance problems, and production incidents.

Develop and maintain complex cloud applications for the Altium 365 platform using HTML, CSS, JavaScript, and Vue.js. Collaborate with the R&D team to solve technical challenges in a cloud-based environment.

Data Scientist III will own the end-to-end data science lifecycle, building production-ready models to address marketplace challenges. Requires a B.S. or M.S. in a technical field with 5+ years of experience, or a Ph.D. with 2+ years. Must have strong Python and SQL skills and experience with machine learning, probability, and statistics.

Senior Revenue Accountant will own and elevate revenue accounting across the organization and its subsidiaries. Responsibilities include ensuring accurate revenue recognition under ASC 606, managing monthly close activities, and supporting internal controls. The ideal candidate will have 4+ years of progressive revenue accounting experience, strong US GAAP knowledge, and experience with NetSuite.

Java/Kotlin Developer will design, maintain Kotlin/JVM microservices for SEO functionalities on a marketplace platform. Responsibilities include writing and optimizing Spark/Scala jobs on large datasets in a GCP environment and collaborating with the business SEO team. Must have Kotlin (JVM), Java 17, MongoDB, Scala, Spark, GCP, and Polish/English fluency.

Technical Expert / Developer to design, develop, and integrate Kondor (Finastra/Teciem) solutions within complex financial institution IT landscapes. Responsibilities include developing custom Kondor components, interfaces, and integrations, and supporting Kondor environments. Requires 5+ years of Kondor development experience, strong programming skills in Java and/or Groovy, and knowledge of Kondor architecture, tools, and integration patterns.

UX/UI Product Designer needed for a two-week, full-time project (80 hours) starting in July/August. Design a B2B SaaS platform's Case Management Dashboard in Figma, including case list, details, statuses, and administration panels. Must have 3+ years of experience designing B2B SaaS products, strong Figma skills, and proficiency in English and Polish.

Experienced Data Modeller/Engineer needed to design, develop, and optimize complex SQL queries in BigQuery. Responsibilities include building and maintaining ELT/ETL pipelines, data models, and data ingestion pipelines. Must have 3+ years of experience in SQL querying, data transformation, and data modeling. Experience with GCP Data Fusion, CDAP, and Agile methodologies is required.

Experienced SAP Basis consultant needed for on-prem and cloud SAP environments. Responsibilities include system administration, maintenance, upgrades, and technical consulting for S/4HANA migration and BTP solutions. Requires 5-8 years of experience with SAP NetWeaver, Fiori, HANA, and S/4HANA.

Lead and mentor a team developing embedded control software for traction and auxiliary converters and battery chargers. Own the architecture, implementation, and verification of real-time embedded software for motor control applications. Drive development of high-reliability C-based firmware for TI C2000, ARM Cortex, and similar microcontroller platforms. Coordinate cross-functional collaboration and ensure software architecture meets railway standards and safety requirements.

Senior Software Engineer, Frontend (Physical Design) will build intuitive user experiences for solar system design. Collaborate with product, design, and engineering teams to deliver impactful features. Contribute across the development lifecycle, from design and implementation to testing and production support.

In-House Lawyer to support business in navigating complex legal, regulatory, and corporate matters. Drafting, reviewing, and negotiating contracts. Advising on corporate matters, regulatory issues, and legal restrictions.

Full-stack developer with 3+ years of experience needed for a maritime operations platform. Must have strong React, Python, Django, and PostgreSQL skills. Experience with REST APIs, async task processing (e.g., Celery), and AI tools (Cursor, Copilot, ChatGPT) is required.

Senior Payroll Business Analyst to design, implement, and support payroll governance, processes, and systems. Requires 6+ years of payroll experience, system implementation expertise, and proficiency in HCM systems (Workday preferred). Must possess strong analytical, communication, and project management skills.

Senior GCP Data Engineer needed for a client specializing in data solutions on Google Cloud Platform. Responsibilities include designing, implementing, and migrating data pipelines, data lakes, and data warehouses. Requires 5+ years of experience with GCP, BigQuery, Snowflake, and data engineering best practices. Must hold a Google Cloud Professional Data Engineer certification and be fluent in English.

Head of Security Business Partnering will coordinate Security Business Partners across business units, ensuring security priorities are translated into actionable plans and tracked for delivery. This role will manage the security portfolio, including strategic programs, remediation plans, and KPIs. The ideal candidate will have experience managing security KPIs, OKRs, SLAs, roadmaps, and remediation programs, and the ability to influence executives and align stakeholders.

SASE Automation Engineer will implement and migrate SASE components, analyze network environments, and create customized migration workflows. Requires 5+ years of experience as a network engineer, familiarity with SASE architecture and providers (Netskope, Zscaler, Palo Alto Networks), and hands-on experience with network automation (Python/Terraform/Ansible).

The Agile Chapter Lead combines line management of Scrum Masters with thought leadership in Agile practices. This role ensures alignment with strategic objectives by supporting a dedicated Portfolio or Tribe. Responsibilities include recruiting, developing, and retaining Scrum Masters, collaborating across Functions, Portfolios, and Tribes, and shaping Chapter capabilities.

Principal Mobile Application Penetration Tester leads complex penetration testing engagements for iOS and Android platforms. Responsibilities include security assessments, exploitation, reporting, and defining testing methodologies. Requires 3-5 years of experience, strong knowledge of OWASP MASVS and MSTG, and experience with manual and automated security testing techniques.

Senior Business Development Lead to drive growth for Hivemind Autonomy in Poland, focusing on defense and government customers. Responsibilities include full sales lifecycle management, territory strategy development, and leading proposal development. Requires 10-15+ years of experience in business development, sales, or capture roles in technically complex domains, with a proven track record of closing deals within European government or defense markets.