python English-speaking jobs in Chorzów

Kotlin/Java Developer needed for an international project in the financial services sector. Responsibilities include designing, developing, and implementing backend features and APIs. Must have commercial experience with Kotlin or Java and experience with at least two of the following: API development, SQL/databases, HTML/JavaScript.

Functional Support Analyst will monitor production, communicate incidents, and coordinate resolution. Responsibilities include analyzing user requests, ensuring documentation accuracy, and acting as a Single Point of Contact for a Feature team. Requires SQL knowledge and fluency in English.

Data Center Sourcing Manager supports global colocation and data center sourcing for enterprise and large-scale infrastructure. Responsibilities include building provider relationships, tracking market capacity, and coordinating RFI/RFP processes. Requires 5 years in data center or related industries.

Lekta AI seeks a Pre-Sales Engineer to design tailored solution architectures and lead technical discovery for enterprise clients in banking, insurance, and telecom. Responsibilities include developing PoCs, handling RFPs, and building pre-sales playbooks.

Own and govern the end-to-end Procure-to-Pay process within a new Shared Services Center. Lead PTP function development, designing operating models, controls, and driving process harmonization across multiple countries.

Build production AI systems reasoning over industrial knowledge graphs (PlantGraph). Focus on LLMs, RAG, and agent-based systems to solve real-world engineering problems by integrating AI with structured data and workflows.

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

Senior Validation Specialist will determine validation approaches, review software documentation, and author validation plans and reports. Requires 3+ years of experience in IT & Software Validation (CSV, GAMP), preferably in a pharmaceutical environment. Experience with Lean and Agile methodologies, SDLC processes, and regulatory standards (CFR 21 FDA Part 11, Annex 11) is essential. Strong communication, collaboration, and problem-solving skills are required.

LoopMe seeks an InfoSec Mid-Level Specialist to enhance security posture and ensure confidentiality, integrity, and availability of systems and data. Responsibilities include developing security policies, performing risk assessments, responding to security incidents, and integrating DevSecOps practices. The ideal candidate has 2+ years of experience in InfoSec/DevSecOps, cloud security (GCP), and experience securing technologies like Kubernetes, PostgreSQL, ClickHouse, Kafka, and Envoy.

Analyze and document mainframe applications, including data flows and system integrations. Gather and validate functional and technical requirements. Support Application Maintenance teams in resolving production incidents and coordinating deployments.

Operate and optimize Glue ETL pipelines, manage Lambda integrations, and maintain REST endpoints in AWS API Gateway. Implement secure API calls, operate CI/CD workflows, and configure CloudWatch monitoring. Provide operational support and troubleshooting.

Senior iOS Developer needed for freelance, time & material basis. Build and maintain iOS apps that communicate with hardware peripherals over BLE. Must have 6+ years of Swift experience, strong BLE integration experience, and CI/CD experience.

Senior Site Reliability Engineer will maintain and improve the reliability, scalability, and performance of Java-based applications. Responsibilities include application reliability and performance, monitoring and observability, AI and agentic workflow engineering, incident management, automation, and collaboration. Requires 5+ years of SRE, DevOps, or similar infrastructure roles with experience managing large-scale, high-availability production systems and 1+ year of practical experience building or operating AI/LLM-powered tools, agents, or workflows.

Senior Data Engineer to develop and migrate the data layer for AML processes. Responsibilities include designing ETL processes and building data pipelines using Python, SQL (Teradata), and PySpark in Databricks. Requires 5+ years of experience.

Senior System Test Engineer will develop and implement automated tests in Python, contribute to test strategies and infrastructure, and collaborate with cross-functional teams. Requires a BSc or MSc in a relevant field, 5+ years of Python testing experience, and knowledge of test automation tools and frameworks.

Experienced Commercial Leader needed to develop and execute sales strategies, manage sales operations, and build relationships with partners and customers. Responsibilities include achieving sales targets, managing budgets, and leading a sales team. Requires 2+ years of experience in a similar role, fluency in English and Polish, and strong negotiation and analytical skills.

Software Engineer 2 (Java/Kotlin) to build and optimize solutions for duplicate detection and product grouping in the Product Catalog. Requires solid Kotlin experience, backend architectural knowledge, and C1 Polish/B2 English.

Integration Architect will design and implement cloud and hybrid integration solutions for large-scale transformation programs. Requires experience with integration platforms (MuleSoft, Webmethods, TIBCO), microservices, SOA, API, cloud computing, and messaging technologies. Strong communication and problem-solving skills are essential.

Develop and deploy AI/ML models and generative AI solutions on Google Cloud Platform using services like Vertex AI, BigQuery ML, Document AI, and Gemini API. Build and maintain end-to-end ML pipelines, ensuring solutions meet production standards.

AWS Cloud Engineer focusing on Resiliency & Automation. Deliver end-to-end resiliency testing, build cloud-native validation services on AWS, and drive SDLC automation. Requires 5+ years in software/cloud development and AWS expertise.