customer service English-speaking jobs in Zabrze

Senior Data Scientist will design and execute data science projects, analyze large datasets, build predictive models, and partner with engineering teams to productionize solutions. Requires a Bachelor's or advanced degree in a quantitative field and 8+ years of experience in data science, machine learning, or applied AI.

The Centre of Postgraduate Medical Education in Warsaw seeks a Head of Department of Epidemiology and Population Health. Applicants must hold a professorship or doctor habilitated in medical sciences, have experience managing research teams and consortia, and demonstrate achievements in research, teaching, and organizational work.

Senior Python Developer sought for part-time role (0.5 FTE). Experience with Django, Wagtail, Celery, PostgreSQL, AWS (Fargate, ECS), and Terraform required. Responsibilities include web application development, system maintenance, and bug fixes. Fluency in Polish and English is essential.

Software Engineer needed for a founding team at a fast-growing startup. Build core product features end-to-end, from idea to production, across frontend, backend, and data pipelines. Strong full-stack experience (TypeScript, React, Next.js, Python, FastAPI) and experience with Postgres-backed infrastructure required.

Senior React/Fullstack Developer will work on a greenfield financial application, Structured Loan Manager / Covenant. Responsibilities include developing backend and frontend features, designing user experience, collaborating with the business team, and executing end-to-end tests. Requires minimum 6 years of commercial React experience, 5 years of JPA experience, and Java and Spring Boot knowledge.

Staff Backend Software Engineer will design, develop, and implement robust API services for a growing European customer base. This role involves leading architecture designs, researching new technologies, and mentoring other engineers. Experience with Java, SQL, and AWS is required.

Principal Data Scientist will design, develop, and manage credit risk models, including scoring, underwriting, and forecasting. Responsibilities include building ML pipelines, researching modeling techniques, and collaborating with cross-functional teams. Requires a PhD in a relevant field and experience with various ML methods, especially for tabular data in lending/finance.

UX Researcher to independently conduct qualitative and quantitative research, including design, moderation, and reporting. Experience in the eCommerce industry and a strategic approach to UX research are required.

Design, build, and evolve test automation solutions for complex flood-modelling products. Perform manual and automated testing, including functional, regression, and smoke testing. Create and maintain test cases, scripts, and documentation. Log, triage, and analyze defects.

SAP SuccessFactors Consultant to design, configure, and maintain end-to-end solutions within the SAP SuccessFactors platform. Experience with Employee Central, Time Management, Recruiting, and Learning modules is required. Must have experience integrating SAP SuccessFactors with SAP S/4HANA and external systems. Strong analytical and communication skills are essential. Fluency in English and German is required.

Mid Senior Test Automation Engineer will carry out manual and automated tests, work on automated test systems and strategies, and document test results. Requires experience in software testing and quality assurance, knowledge of test methods and tools, and agile software development processes.

Provide technical support to hospital and health system customers, resolving issues across hardware, software, and integrations. Diagnose root causes, document solutions, and collaborate with engineering teams.

Onboarding Partner for analytics platform implementations. Leads end-to-end client onboarding, designs event tracking plans, and supports SDK integrations. Requires 2+ years of experience as a Full-Stack Developer or in a technical role with strong understanding of event-based analytics and data pipelines.

Tradeify Brokerage seeks a Chief Operating Officer to design, implement, and optimize all operational functions, including trade operations, client onboarding, compliance, vendor management, and customer support.

Experienced IT Support Specialist needed for a 24/7 role in Warsaw. Provide technical support, troubleshoot incidents, and contribute to service improvement. Must have 3+ years of experience, C1 English proficiency, and knowledge of Microsoft 365, Windows, ITIL, and ITSM tools.

The CFO will oversee all financial operations, ensuring compliance and strategic financial planning. Requires 10+ years of management experience, with at least 5 years in finance, and expertise in event planning.

Cogstate seeks remote Clinician Network members to administer cognitive assessments to study subjects. Responsibilities include remote administration of clinical interviews and cognitive tests, scoring assessments, and participating in clinical skill recalibration activities. Must have Latvian fluency, experience administering the MADRS scale with SIGMA, and a Master's or Doctorate degree in a relevant field.

Develop and enhance resilient microservices for a market-leading B2B fitness SaaS platform using JVM technologies and frameworks like Spring Boot.

Software Engineer to join the Evidence and Devices Engineering team in Krakow, Poland. Develop and improve backend software for evidence management applications. Responsibilities include implementing new features, enhancing performance, and collaborating with teams in an Agile environment. Requires 2+ years of Java backend development experience, object-oriented programming knowledge, and experience with relational databases and testing methodologies.

Facilitates team events, coaches on Agile and SAFe principles, and removes impediments for a software development team. Supports Product Owner in backlog refinement and PI Planning. Requires 2+ years as a Scrum Master (1+ year in SAFe), English (B2) and Polish (C1), and proficiency in tools like Jira.