hr English-speaking jobs in Legionowo

Lead Python Engineer to design, develop, and maintain scalable finance-focused backend solutions using Python 3.1x, Flask, and AWS services. Integrate external systems, APIs, and work with Product Managers to solve customer problems. Must have strong Python skills, experience with AWS, and automated testing.

Full Stack Developer to join a growing digital product agency. Work with clients across various sectors on exciting projects using TypeScript, React.js, Next.js, and Node.js.

Designs and implements end-to-end MLOps pipelines on Azure using technologies like Azure ML, AKS, Docker, and Kubernetes. Builds and automates model training, validation, and deployment processes. Manages model versioning and lifecycle.

Senior/Lead Software Engineer to design and implement robust, scalable, and secure software solutions. Requires deep understanding of modern and legacy architectures, cloud-native technologies, and integration of disparate systems. Leads design and development, provides technical guidance, and mentors junior team members.

As a Principal Engineer at AI REV, you will design and build production-grade AI systems, architecting scalable backends and driving technical strategy for projects. You will mentor other engineers, solve complex technical problems, and partner with clients to deliver innovative solutions.

Senior Software Engineer will architect, build, and optimize backend services for a multi-channel communication platform. Responsibilities include designing and implementing robust backend services using Python and Django, developing and maintaining RESTful APIs, and collaborating with cross-functional teams.

QA Engineer to design, develop, and execute manual and automated tests for cloud-native security services. Requires 3+ years of QA experience, strong AWS skills, and experience with CI/CD testing.

Senior Product Designer will lead the design and development of new brands, conduct market research, and employ user-centered design principles to create intuitive product experiences. The role involves cross-functional collaboration, prototyping, and staying up-to-date with industry trends. Requires 6+ years of experience in product design, a Bachelor's or Master's degree in Design, HCI, or related field, and mastery of Figma/Claude.

Cloud Data Engineer needed to design, build, and run Python scripts and ETL processes. Responsibilities include preparing data for analysis, building cloud-based data solutions, and working with streaming and event-based technologies. Requires 3+ years of Python experience, 5+ years of SQL experience, and 5+ years of experience building ETL pipelines.

Leads engineering activities including design, acquisition, and deployment of hardware, software, and network infrastructure. Drives quality standards within existing and planned frameworks.

Build, evolve, and stabilize web platforms using Node.js and JavaScript. Design and maintain backend and frontend architecture, ensuring performance, scalability, and reliability. Deliver new features end-to-end, optimize applications, and write unit, integration, and end-to-end tests.

Design Synerise-based solutions for Enterprise clients in Retail, E-commerce, Telco, and Banking. Combine architectural expertise with business consulting, focusing on loyalty programs, personalization, and omnichannel customer engagement.

Leads the deployment, optimization, and lifecycle management of storage, backup, monitoring, and automation platforms. Ensures compliance with data retention and regulatory requirements.

Holisticon Insight seeks skilled Data Engineers for future opportunities. We anticipate needing expertise in Databricks, Apache Spark, SQL, Python, or Scala, and experience with cloud data platforms (AWS, Azure, or GCP).

Experienced Microsoft Dynamics 365 CE Business Analyst / Functional Consultant needed for large-scale initiatives. Analyze business needs, design and configure solutions, and collaborate with engineering, product, and business teams. 7+ years of hands-on experience as a Dynamics 365 CE Functional Consultant or Business Analyst required. Strong understanding of D365 CE capabilities, data model, security roles, forms, views, business rules, and integration patterns. Experience with Power Platform and agile backlog tools (Jira, Azure DevOps).

Lead and manage a team of software engineers to deliver SaaS and cloud-based solutions for the airline and travel industry. Drive technical direction and implementation of projects aligned with IATA standards such as NDC.

Senior ML Ops Engineer to enhance and maintain machine learning operations and infrastructure for a pharmaceutical client. Requires 4+ years experience in Git, Linux, Bash scripting, Python, Docker, Kubernetes, CI/CD pipelines, infrastructure automation, and cloud infrastructure. Experience with MLOps tools, machine learning, and DevOps is also needed.

Experienced Node.js Developer to join a team in Warsaw, Tychy, or remotely. Develop and optimize server-layer software, including REST API, microservices, and integrations. Work in autonomous, agile teams on ambitious projects for local and global brands.

Experienced Full-stack Developer needed for a high-impact project in the financial/payments domain. Develop and maintain enterprise-scale web applications using Java, Angular, or React. Design, build, and test RESTful APIs and web services. Collaborate with global teams on concurrent projects.

Senior Mobile Engineer (React Native) to develop and scale a high-traffic mobile application. Responsibilities include developing and maintaining the app, collaborating with backend engineers, and contributing to architectural decisions. Requires 4 years of professional experience with React Native and strong knowledge of iOS and Android platforms.