hr English-speaking jobs in Legionowo

Senior Fullstack Engineer to build scalable, high-performance services on real-time sports data. Requires experience with Java, React, cloud-based applications, microservices (AWS), and automation testing.

Senior Frontend Developer to build and maintain a feature-rich web application using React and React Native. The platform delivers summarized data from multiple microservices and offers customized permissions and data export options.

Designs and maintains cloud-based Generative AI services on Azure and Databricks. Integrates LLMs, vector databases, and AI agent frameworks with systems like Salesforce, SAP, or internal APIs. Builds middleware, APIs, and automation components to connect AI models with data. Monitors and optimizes the performance, stability, and cost efficiency of GenAI services. Collaborates with data engineers and data scientists to ensure smooth deployments and knowledge sharing.

Senior MLOps Engineer will collaborate with Platform Engineers to set the infrastructure for MLOps processes, automate model deployment, and implement model monitoring. Responsibilities include collaborating on backup and disaster recovery processes for ML workflows and keeping up with trends in data engineering and machine learning.

Experienced Cybersecurity professional sought to strengthen security operations, detection, and incident response in a complex IT environment. Focus on improving monitoring, response readiness, and forensic capabilities. Requires 15+ years IT experience, including 10+ years in Cybersecurity, with expertise in SOC services, incident response, and security tooling.

Staff Test Engineer will analyze customer issues, develop test strategies, and construct physical test harnesses. Requires proficiency in C or C#, scripting languages, and CI/CD. Must have an Engineering degree or equivalent and 8+ years of related experience. Familiarity with operating environments (Windows, Linux, VMWare), IDEs, and source code management tools is needed.

Senior Legal Counsel (fixed term, part time) will architect legal excellence within the transportation SaaS division, leading the development of legal solutions and providing strategic advice to senior management. Responsibilities include identifying legal risks, negotiating critical sector matters, and supporting the contract management division. Requires a law degree, minimum 5 years of experience in corporate and commercial law with a focus on transportation, and proven project management and negotiation skills.

Develop and maintain a native Android application using Java and Kotlin. Implement offline functionality and integrate device features like camera, barcode scanning, and electronic signatures. Ensure compatibility with Android 9.0 and above.

PowerBuilder and Python developer needed for legacy system modernization. Analyze, extract, and migrate PowerBuilder business logic to a Java platform. Build Python tools for data migration, validation, and system integration.

Senior Product Manager will own the roadmap for Ottimate's AI-based invoice capture, extraction, and validation capabilities. This role defines how Ottimate ingests and understands financial documents at scale, applying machine learning, language models, and computer vision.

Murex Front Office Consultant needed for long-term project supporting a major trading house. Responsibilities include FO Dev implementations, solution design, and stakeholder management. Requires 4+ years of Murex FO Dev experience, including trade pricing and P&L analysis. Murex 3.1 knowledge and SQL/Unix basics are essential.

Software Engineer will develop and maintain software solutions for Dell AI Platform's PowerScale and ObjectScale, focusing on platform networking. Responsibilities include contributing to software development lifecycle, creating technical designs, and implementing features and test automation. Requires 2+ years of experience in Python or C, Linux, and software development best practices. Familiarity with storage systems and networking is desirable.

Frontend Developer (Angular) with German language skills needed for large-scale projects. Develop and maintain web applications using Angular, design RESTful APIs, and build interactive UI components. Experience with Angular (v10+), TypeScript, and .NET Web API services required.

Senior Customer Success Manager will own a portfolio of strategic web3/fintech customers, driving multi-product adoption and expansion plans. Responsibilities include designing lifecycle programs, building customer health models, and influencing product roadmap based on customer feedback. Requires 8-10+ years of experience in Customer Success/Account Management with a background in web3/crypto and fintech.

Senior System Test Engineer will perform exploration tests, develop automated tests in Python, and implement functional and non-functional tests. Collaborate with cross-functional teams to ensure alignment with project goals and technical requirements. Contribute to continuous improvement in testing processes and tools.

Middle/Senior Quality Assurance Automation Engineer will execute manual and automated tests across APIs, backend pipelines, and analytics outputs. Validate data transformations and calculations against requirements. Create and maintain test cases and reports. Collaborate with developers and data engineers to troubleshoot defects. Must have 2-4 years of QA experience, strong SQL skills, and experience testing APIs.

Senior Network Administrator to maintain, monitor, and support a global network infrastructure. Responsibilities include implementing network solutions, resolving technical issues, and collaborating with international teams. Requires minimum 7 years of experience in network support/operations, Cisco CCNA certification, and fluency in Polish.

Senior Backend Software Engineer will drive complex projects, solve architecture challenges, and lead code reviews. Requires 7+ years of experience building backend applications and fluency in a database technology. Experience with Java, Python, Kotlin, Go, or Scala is preferred. Must have knowledge of SaaS, PaaS, IaaS, and agile methodologies.

Provide support for Snowflake, Databricks, and the AWS data stack. Assist users with day-to-day operational activities, troubleshooting, and testing. Collaborate on platform improvements and documentation.

Python Developer to build and evolve backend services for a social sports prediction platform. Responsibilities include developing APIs, message-driven systems, and containerized services. Requires 3+ years of Python backend development experience, Django, Kafka, Docker, and AWS.