hr English-speaking jobs in Legionowo

Business Change Manager for Transfer Agency in Corporate Banking. Manages processes, ensures compliance, controls costs, and develops team members. Requires fluency in English, 5+ years of management experience in securities or funds services, and proven change management skills.

Senior Data Engineer to design, build, and maintain streaming data pipelines and a big data platform for network monitoring and analysis. Requires 5+ years of experience in data engineering, platform engineering, or related roles.

As Senior Product Manager – Infrastructure, you will own the roadmap for the developer experience, ensuring engineering teams can build, deploy, and debug effectively. You will collaborate with engineering and infrastructure to deliver tooling, APIs, and platform services.

Full Stack Principal AI Deployment Engineer needed for a US video production company. End-to-end ownership of the product development lifecycle, integrating AI models and optimizing processes. Requires strong engineering, product, and mentorship skills.

As a Junior Client Solutions Specialist, you will serve as the primary operational contact for clients in the DACH region, handling operational concerns and ensuring high-quality service delivery. You will collect client requirements, translate them into actionable work orders, and monitor progress through successful delivery.

Structured internship program in Logistics/Operations for students seeking practical experience in a dynamic international business environment.

Leads and manages large-scale AI security projects, develops and enforces AI usage guardrails, and provides leadership to a team of AI security professionals.

Investment Support Analyst will ensure accuracy of positions, prices, and cash for all portfolios. Responsibilities include overseeing reconciliations, validating NAV controls, operating risk and compliance controls, and serving as the primary point of contact for operational queries.

Functional Safety Manager will architect and manage functional safety strategy for an electric vehicle from concept to production. Responsibilities include building a team, overseeing functional safety conformity, designing processes, and promoting safety training. Requires a Bachelor's degree in engineering, 10+ years of experience as a functional safety engineer, and expertise in ISO26262, automotive SPICE, and functional safety tools.

Junior Analyst will process digital asset settlement instructions, validate details, and monitor blockchain transactions. Requires 2-4 years of settlements and reconciliations experience, exposure to blockchain custody platforms, and advanced Excel skills.

Flyer One Ventures seeks an Associate to evaluate startups, structure financing rounds, and support portfolio companies with M&A, growth, and product feedback. The ideal candidate has 2+ years of experience in finance, investment banking, consulting, or VC and excels at analyzing data, communicating effectively, and adapting to new situations.

This role requires solid hands‑on experience developing AI solutions by using all available models in the company. Solutions the role will work on are chat bots, AI enhanced monitoring and observability solutions backed by Splunk and other available technologies but not limited to it.

Mobile Developer with Flutter will design, develop, and maintain cross-platform mobile applications. Responsibilities include integrating with backend systems, optimizing performance, and collaborating with teams. Requires a BS/BA in Computer Science or related experience, 3 years with Flutter/Dart, and 1+ year with native iOS or Android development. Fluency in English is required.

Yorktown Systems Group seeks a Civil Resilience SME to support NATO’s Joint Force Training Center (JFTC) in Bydgoszcz, Poland. The SME will provide expert guidance on civil resilience considerations for training and exercises, ensuring incidents and scenarios reflect host nation capacities, vulnerabilities, and responsibilities in maintaining societal stability. The SME will collaborate with other SMEs to integrate civil resilience aspects into exercise design, including risk mitigation, continuity planning, and coordination with governmental and non-governmental actors.

Senior Accountant needed for accurate and compliant financial reporting for European entities. Experience in R2R, general ledger accounting, and IFRS/local GAAP required. Strong analytical and communication skills essential.

Category Purchaser will execute procurement activities, lead negotiations, and develop supplier relationships. Requires a Bachelor's or Master's degree, 2-5 years of experience in Category Management or Sourcing, and fluency in English.

Senior Solution Architect with 10+ years of experience leading enterprise-wide Zero Trust transformations. Expert in Illumio microsegmentation, bridging traditional firewalls with modern security strategies. Designs, engineers, and implements Illumio policies, mentors teams, and collaborates with stakeholders.

Solution Architect needed for CRM. Design cross-system solutions, own internal CRM platform architecture, and collaborate with teams to ensure predictable delivery and continuous improvement. 5+ years of IT delivery experience, strong stakeholder management, and proficiency in English required.

Junior Software Engineer will build and ship features across frontend (Next.js) and backend (Django) systems. Responsibilities include implementing APIs, backend logic, and working with databases to design schemas and write queries. Collaborate with product, design, and senior engineers to move features from idea to production.

At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter.