English-speaking jobs in Częstochowa

Senior Lead Data Software Engineer needed to build an ML-ready platform using Python, Spark, and Azure. Responsibilities include migrating data jobs to Azure Databricks, optimizing workflows, and developing ETL/ELT pipelines.

Cost Controller role requires analyzing operational costs, budgeting, forecasting, and variance analysis. Candidates need 3+ years in finance, advanced Excel, and fluent English.

Lead the migration from Salesforce Marketing Cloud to Klaviyo, optimizing marketing processes, data structures, and automations. Support international rollouts and design customer segmentation strategies. Requires 4+ years in marketing technology.

Lead end-to-end Dynamics 365 CRM implementations and transformations across sales, marketing, and service. Requires 8 years with Dynamics 365 and 3 years managing CRM initiatives.

Design and develop global learning and development strategies and HR policies. Assist in aligning learning approaches with business structures and support consistent application across entities. Requires C1 English fluency and a Master's degree.

Senior Windows Audio Engineer needed for advanced audio processing solutions. Requires 5+ years in Windows Driver Development, C++, and expertise in WASAPI, APO, and audio DSP. Focus on voice reconstruction AI integration.

Leads defined-scope penetration tests across various areas including websites, services, APIs, infrastructure, and applications. Executes testing activities such as reconnaissance, vulnerability discovery, exploitation, and reporting. Identifies, validates, and exploits security vulnerabilities while adhering to approved scope. Works with engineering and security teams to explain findings and support remediation.

Experienced AWS Data Engineer needed to support and improve a data platform using AWS services, PySpark, SQL, and dbt. Responsibilities include building pipelines, optimizing Redshift, and supporting AI projects.

Experienced Java Developer needed to build and release Spring Boot microservices for enterprise platforms. Focus includes GenAI practices, RAG, and maintaining quality within regulated environments. Requires skills in CI/CD, testing, and cloud deployment.

Backend Engineer specializing in Ontology & Knowledge Graph. Develop services and APIs for managing, validating, and publishing ontology concepts using Java or Python. Experience with RDF, OWL, SPARQL, and various databases is required.

Procurement Specialist with German needed for an international company. Responsibilities include managing P2P processes, purchase order execution, and supplier administration. Requires fluent German and English, and experience with procurement tools.

Data Engineer - Process Mining designs and maintains scalable data pipelines for Process Mining. Responsibilities include integrating data from multiple sources, developing data models, and ensuring data quality using SQL and Python. Requires 3-5 years of experience.

Senior Development Engineer develops components/subsystems for CARE products from concept to production. Responsibilities include mechanical design, CAD modeling, and defining test plans within international teams. Requires 3+ years in mass production development.

Expert Java Developer/Solution Designer to build modern backend solutions using Java and Spring Boot in a microservices architecture. Drive AI adoption and own technical design for complex features supporting credit risk management.

Lead a data science team developing innovative AI products using machine learning methods. Responsibilities include the full lifecycle of machine learning models, from data analysis to deployment on Google Cloud Platform (GCP). Strong Python, GCP, and MLOps experience required. Proven leadership and communication skills are essential.

Experienced HR Business Partner needed to align people priorities with business objectives. Responsibilities include advising managers on organizational design, talent development, and employee relations within an international setting. Fluency in English is required.

Lead the design and development of complex technical solutions within RTB House's infrastructure. Coordinate a team of 3-4 engineers and collaborate with other teams to ensure reliable and scalable solutions.

Lead development of intelligent and agentic automation solutions using RPA and Power Platform. Requires 4 years of experience, strong understanding of APA principles, and proficiency in languages like Python or C#.

Trainee role supporting Customer Operations and Order to Cash activities. Requires Bachelor's/Master's degree and advanced English and German skills (min B2).

Senior QA Engineer for Broadcast Certification. Requires 4-5 years in software/system testing, strong troubleshooting, and analytical skills. Involves manual testing, investigating technical issues, and coordinating certification efforts.