python English-speaking jobs in Chorzów

Senior Back-End Engineer will build scalable software using Python, refactor code, and solve complex problems. Requires 5+ years of experience with databases, web frameworks, and OOP in Python, Java, C#, or C++. Master's degree in Computer Science/Engineering is required. Experience with container orchestration, microservice architecture, and SAAS/Cloud solutions is a plus.

Provide IT support via phone, chat, or email to end users experiencing technical issues. Must have strong English, German, Spanish, Dutch, or Brazilian Portuguese language skills and a willingness to learn IT fundamentals.

Senior Software Engineer will lead the development and extension of NodeOS capabilities, including open-source aspects, Google-specific daemons, and the Linux kernel. Responsibilities include analyzing, auditing, and evolving the Node execution model, redesigning systems, and troubleshooting large-scale computer systems. Requires a Bachelor's degree and 5+ years of experience with programming languages like Java, C/C++, Python, or Go, and 3+ years of experience building large-scale infrastructure, distributed systems, or networks.

Lead a software development team, ensuring delivery of project commitments and fostering team growth. Provide technical expertise, mentorship, and coaching to engineers. Collaborate with Product Owners and Chapter Leaders to drive continuous improvement and align with business objectives.

Senior Sales Manager will establish customer relationships, plan sales levels, analyze market needs, and negotiate contracts. Requires experience in customer dialogue and negotiation, fluency in English and Polish, and technical knowledge of gas turbines.

Manage and lead a business unit, ensuring compliance with sustainability, quality, and legal requirements. Achieve KPIs related to safety, quality, cost, delivery, and morale. Collaborate on strategy development and deployment, focusing on productivity targets and process improvements. Lead team development and implement Standard Work Processes.

Develop and implement business strategy for Specimen Management portfolio in Central & Eastern Europe. Achieve sales targets, profitability, and market share goals. Lead, mentor, and develop a sales, marketing, and support team. Drive market access initiatives and manage product launches.

Senior Machine Learning Engineer will design, build, and maintain MLOps systems using Python, Kubernetes, Kafka, and modern database systems. Responsibilities include implementing observability tools, collaborating with data scientists, and mentoring junior engineers. Requires 5+ years of experience in Machine Learning, MLOps, DevOps, or Software Engineering.

Sales Specialist to build partnerships with cafes, restaurants, and food retailers in Warsaw. Responsibilities include generating leads, conducting sales calls and meetings, onboarding new partners, and managing their performance. Requires fluency in Polish and English, strong communication and persuasion skills, and experience in closing sales opportunities.

Manual Tester for a long-term Salesforce project. Design, prepare, and execute manual tests (functional, integration, regression). Collaborate with business teams, analysts, and developers. Document test results and report defects in Jira. Minimum 4 years of manual testing experience required. Knowledge of Jira, Confluence, Postman, Swagger UI, SQL, SoapUI/SOAP, and UI testing. English proficiency at B2 level.

Second Line Service Analyst resolves complex technical and functional issues for customer-facing platforms. Investigates incidents, coordinates with Engineering, Product, and Integration teams, and participates in Major Incident bridges. Maintains in-depth knowledge of products and customer journeys. Provides L2 support during releases and warranty periods. Creates and maintains troubleshooting guides and mentors L1 Support Analysts.

Senior Solution Architect to design and own end-to-end solutions across multiple domains. Requires 6+ years of .NET (C#) backend engineering experience, including distributed systems design. Strong MS SQL Server skills are essential.

Senior QA Automation Engineer will design and implement testing strategies for payment gateways, develop automated tests, and collaborate with developers and partners. Must have 6+ years of QA experience, including 2+ years in test automation, and strong understanding of payment flows and REST API testing.

This is a GTM/Business development role focused on the RISE Private Cloud Customer Data Center (CDC) deployment option. Responsibilities include understanding customer transformation requirements, collaborating with partners and internal teams, and generating pipeline for RISE PE CDC.

Software Engineer (.NET & Vue.js) will develop products used by thousands of people to manage social care services. Responsibilities include code reviews, managing pipelines, working on automation, and helping shape the product roadmap. Experience in .NET / .NET Core, Vue / TypeScript, Azure DevOps, and a proactive attitude are valued.

Lead Engineer will perform finite element analyses (FEM) to support mechanical design development and validation of aircraft engine components. Responsibilities include building, modifying, and maintaining structural FEM models for static, modal, fatigue, and damage tolerance analyses. The role requires experience with commercial FEM tools and a Bachelor's or Master's degree in a relevant engineering field.

Software Development Engineer will integrate novel modeling techniques to advance state-of-the-art human language technology. Work directly impacts millions of customers through speech and language technology products and services.

As a Strategic Customer Success Manager, you will oversee enterprise client relationships, ensuring successful onboarding, driving engagement, and identifying growth opportunities. You will partner with Account Managers, conduct regular reviews, and advocate for client needs.

Senior AI Engineer / Consultant to design, develop, and implement an AI agent leveraging Confluence knowledge for client's products. Requires strong AI/ML engineering experience, LLM-based solutions, Python, and experience integrating enterprise knowledge sources.

Account Director to manage a team, develop eCommerce strategies, and build client relationships. Requires 5+ years of eCommerce and team management experience, strategic business consulting, and fluency in English (C1 level).