python English-speaking jobs in Chorzów

Junior QA Engineer will focus on manual and automated testing of Cloud Services and Customer Portal products. Responsibilities include API testing, stress and regression testing, creating automation scripts, and reporting issues. Requires practical JavaScript skills, understanding of modern web applications, and a portfolio of HTML/CSS/JS projects.

Senior Java Developer to design, develop, and test components of multi-tiered service-oriented web applications. Experience with Spring MVC/SpringBoot, JMS, JPA, JAX-RS, WebServices (SOAP, REST), and SOLID principles required.

Senior Data Engineer will design, build, and scale cloud data platforms for clients. Responsibilities include designing data pipelines, leading technical design of cloud data architectures, and collaborating with stakeholders. Requires 4+ years of experience as a Data Engineer, 2+ years with cloud platforms (Azure preferred), strong Python and SQL skills, and expertise in DWH data modeling and ETL/ELT architectures.

Supports engineers with daily tasks and technical problem-solving. Maintains and improves development tools and systems. Assists with engineering changes and product updates.

Develop and maintain desktop applications using WPF and Avalonia UI. Contribute to architectural design and cross-platform migration initiatives. Implement advanced UI components for EDA visualization and interaction. Integrate client-side functionality with Altium 365 and other internal APIs.

Senior Java Developer will implement software components, perform system integration and testing, and participate in project estimation and delivery timelines.

Engineering Team Leader to lead the modernization of XTB's core trading server, extracting business logic into microservices using Java, Micronaut, Kubernetes, and gRPC.

Develop an Android Automotive OS navigation application, porting an existing mobile app to the IVI environment. Requires Android Automotive OS, Kotlin, UI/UX, REST APIs, and storage experience.

Senior Machine Learning Engineer to design and implement end-to-end ML/LLM pipelines, from data preparation to production-grade APIs. Experience with LLMs, generative AI, and frameworks like LangChain, LlamaIndex, and RAG is required. Must be proficient in Python, ML frameworks (PyTorch, TensorFlow), and cloud platforms (AWS, GCP, Azure).

Leads the Cybersecurity Vendor Management pillar, managing all GCIO/technology vendors. Develops and maintains long-term relationships with stakeholders. Ensures alignment of key parties to agree objectives and support the development of the Tech/Business strategy. Manages the vendor lifecycle from selection to renewal or exit.

Designs, builds, and maintains scalable data pipelines on GCP. Develops and optimizes data models using BigQuery and dbt. Builds and manages real-time and batch data processing using Kafka. Ensures data quality, consistency, and reliability. Collaborates with Data Architects, Platform Engineers, and Analytics teams.

FullStack Developer to support and develop a liability information collection platform. Requires Java (Back-end, 60%) and Angular (Front-end, 40%) expertise, including Spring Ecosystem, JPA, SQL, and containerization technologies.

Develop and implement AI agents for document classification, data extraction, and workflow automation.

Experienced Chief Technology Officer to define and execute technology strategy, lead engineering teams, and oversee complex Contact Center and CRM projects. Requires 8+ years of IT experience, including senior leadership, Contact Center, CRM, cloud technologies, and AI.

QA Engineer to join a banking project in Warsaw. Minimum 3 years testing experience, ISTQB CTFL certification required. Strong frontend/web application testing skills.

Business Analyst for a European banking transformation program focused on entity wind-down and operational migration. Responsibilities include mapping client journeys, designing processes, and collaborating with technology teams. Requires experience in large-scale transformations, business analysis, banking, and agile methodologies.

The Model Risk Governance Analyst will establish, maintain, and enforce the MRM framework and governance structure. Responsibilities include operating processes, managing model performance monitoring, and communicating with stakeholders on Model Control Policy. A bachelor's degree in a quantitative field and strong programming skills are required.

Lead and grow a team of engineers, manage the technical direction and delivery of Hippo Plus, a product bundling home insurance with extended warranty and maintenance. Collaborate with Product Managers and business stakeholders to translate needs into engineering priorities.

Configure and maintain Veeva Vault PromoMats solutions. Develop Java-based solutions using the Vault Java SDK. Support integration and development projects.

Designs, builds, and operates Remitly's AWS cloud foundation. Leads architecture decisions on cloud topology, multi-account governance, and platform abstractions. Owns and evolves edge infrastructure, including CloudFront distributions, AWS Shield, and CDN failover strategies. Builds and maintains production Go services and CLI tooling. Designs and operates Remitly's global partner and bank connectivity network. Troubleshoots complex network issues.