hr English-speaking jobs in Legionowo

Lead Java Engineer to build and own electronic trading systems for Fixed Income and FX. Design, implement, and optimize high-performance, low-latency systems. Lead a team of engineers while maintaining 90% hands-on involvement. Requires 10-15 years of Java experience in eTrading, OMS, pricing engines, or related systems.

Senior Java Developer to design, build, and operate backend services for fintech platforms. Experience with Java, Spring Boot, microservices, and SQL/NoSQL databases required. Strong communication skills and experience in a fast-paced environment are essential.

Designs and ensures a comprehensive architectural vision across business, information, systems, and technology domains, with a focus on Microsoft Azure. Translates business needs into scalable, secure, and efficient cloud solutions. Collaborates with stakeholders and technical teams to align cloud architecture with business objectives.

Lead a team of DBA and Unix/Linux engineers, driving operational excellence for critical global IT services. Manage team delivery, improve stability and performance, and establish engineering standards. Requires 3+ years of team leadership, expertise in Oracle/PostgreSQL and Unix/Linux, and experience in highly available systems.

Software Developer (Mid-level) to design, develop, and maintain C#/.NET applications, including web interfaces and backend services. Experience with ASP.NET Core MVC, TypeScript, HTML, CSS, and Git is required.

QA Automation Engineer (JS) needed for a project developing a meeting management platform. Responsibilities include designing, developing, and maintaining automated test scripts, collaborating with QA and development teams, and reporting defects. Must have 3+ years of experience in QA Automation, strong hands-on experience with automated testing frameworks and tools, proficiency in Cypress and Playwright, and experience with playerzero.

Associate will assist in executing, marketing, and covering public and private mergers, acquisitions, divestitures, and equity capital markets advisory across Central and Eastern Europe.

Enterprise Architect needed to translate business strategy into IT roadmaps and architecture plans leveraging Microsoft technologies. Design and optimize systems, applications, and technology landscapes using on-premises and cloud solutions. Collaborate with stakeholders, communicate solution designs, and support pre-sales activities. Requires proven experience as an Enterprise Architect with deep understanding of Microsoft platforms (Active Directory, Windows Server, SQL Server, Exchange) and Azure. Strong knowledge of Microsoft 365, hybrid architectures, and security solutions is essential.

Freelance Embedded C Engineer needed for STM32-based connected devices. Build and maintain firmware, integrate FreeRTOS, and work with BLE and Wi-Fi coexistence. 5+ years of embedded C development on ARM Cortex-M platforms and strong STM32 experience required.

Senior Lead Software Engineer (C++) to join Sopra Steria Polska for a client in the aerospace sector. Responsibilities include implementing solutions, proposing solutions, creating and testing software, and maintaining codebases. Must have 5 years of commercial experience in a senior or senior-ready role, strong expertise in C/C++, advanced Linux skills, and Bash scripting experience. EU citizenship and fluent English are required.

Senior Developer with 5+ years of experience designing, developing, and maintaining scalable backend services using Python and Node.js. Experience with APIs, microservices, Azure DevOps, Docker, Kubernetes, and Terraform is required.

Ontology Engineer needed to design, develop, and maintain ontologies and semantic models for scientific data. Will collaborate with domain experts and engineers to translate concepts into standardized ontologies and mappings. Requires a degree in a relevant field and hands-on experience in ontology engineering and semantic modeling.

Software Engineer to develop new features, maintain systems, and collaborate with stakeholders. Experience with Java, Spring, microservices, APIs, and SQL required.

The IT Administrator provides Tier 1 and Tier 2 technical support, conducts system analysis, and manages configurations for IT systems. The role involves collaborating with teams to resolve technical issues, supporting network security, and educating users on information security. Applicants must meet either a Bachelor's degree requirement or three years of relevant work experience. Fluency in Polish and English is required.

Strengthen our Security Operations capability by improving detection, response, and automation in a Microsoft-based environment. Investigate, improve, automate, and coordinate security incidents.

Experienced Area Supervisor needed to oversee daily warehouse operations, manage a team of at least 3 team leaders, and ensure smooth business operations. Responsibilities include process improvement, resource allocation, cross-departmental communication, and team development. Requires a Bachelor's degree, minimum 5 years of warehouse experience, including 1 year of management experience, and proficiency in warehouse operations, lean tools, and cost management.

Provides expert advice and support on third-party risk management, ensuring alignment with HSBC frameworks, policies, and regulatory requirements. Oversees risk controls, collaborates with stakeholders, and monitors emerging risks.

Supports the planning, coordination, and monitoring of multiple projects within a fast-growing mobile payments company. Prepares project documentation, reports, and presentations. Facilitates communication between project teams and stakeholders.

Support and develop IT operations in a collaborative environment. Implement, troubleshoot, and maintain IT systems. Collaborate with teams to optimize infrastructure and contribute to documentation.

Software Engineers design, build, and maintain scalable backend infrastructure for GenAI systems. They focus on middleware, optimizing performance and ensuring efficient model use and data flow.