hr English-speaking jobs in Legionowo

Senior Frontend Developer to design, implement, and optimize interactive user interfaces and single-page applications using TypeScript and JavaScript. Collaborate with cross-functional teams and integrate applications with REST and GraphQL APIs.

Senior Product Designer to contribute to healthcare project. 4+ years experience designing products based on business goals and user needs. Strong portfolio, UI design skills, and experience with prototyping and animations. Excellent communication and collaboration skills.

Processes incoming payments, allocates cash receipts, and resolves discrepancies in a S/4HANA Central Finance environment. Collaborates with teams to improve automation and accuracy. Ensures proper bank account reconciliations and communicates with stakeholders. Provides audit support and executes analysis and reports.

Senior Machine Learning Engineer will design, build, and maintain production-grade ML systems for a new Data & Insights platform. Responsibilities include building forecasting systems, developing AI-driven insights, and implementing context-aware AI. Requires deep experience with production ML systems, Python, and the modern ML ecosystem.

Senior Software Engineer will develop software for motion control systems, design system architecture, and integrate components. Requires experience with Angular, JavaScript, TypeScript, and Java.

Senior DevOps Engineer to design, implement, and operate scalable infrastructure on Google Cloud Platform (GCP). Responsibilities include building and maintaining cloud environments, managing Infrastructure as Code solutions, developing CI/CD pipelines, and ensuring platform security and reliability. Requires 8+ years of experience in DevOps, Platform Engineering, or Cloud Engineering with strong GCP, Terraform, and Kubernetes experience.

Angular Front-End Developer needed to build a digital platform for merchants. Collaborate with teams to develop features, troubleshoot bugs, and ensure high-quality code. Requires 4+ years of front-end development experience, strong JavaScript and TypeScript skills, and proficiency with Angular, HTML, and CSS/SCSS. Fluent English required.

Join our Talent Pipeline and be considered for new startup projects across various industries. We build companies from the ground up, offering direct impact and a fast, transparent recruitment process.

Client Billing Administrator responsible for account management, invoice creation, payment verification, and reconciliation. Requires Dutch and English fluency, billing/OTC experience, and understanding of accounting principles. Strong Excel skills and data analysis abilities are essential.

Senior Credit Analyst will review and approve customer credit limits, assess credit risk exposure, and negotiate alternative securities. Requires 8 years of business experience, English proficiency (B2/C1), and proficiency in MS Office, BMC Remedy, and SAP4H.

AI Researcher Engineer needed for a California-based startup with a European footprint. 2-8 years of experience in Deep Learning and/or Reinforcement Learning, applied to optimization problems. Remote position, preferably based in Europe.

Experienced PostgreSQL Engineer needed to design, implement, and maintain highly available PostgreSQL environments. Requires expert knowledge of replication, performance optimization, high availability, disaster recovery, and automation using DevOps tools.

HireWith seeks Payroll and Tax Managers to manage teams of Specialists. Candidates should have at least 1 year of experience working for a payroll service bureau or PEO in systems like UKG Ready, isolved, PrismHR, Asure Evolution, ExecuPay, MPAY, ApexHCM, APTM, or MasterTax.

Experienced engineer needed for post-trade modernization project. Migrate trade flows to a Nordic settlement solution. Responsibilities include requirement gathering, design, implementation, testing, and troubleshooting in Calypso. Strong financial markets and Calypso experience required.

Develops and analyzes AOCS/GNC algorithms, models dynamics systems, and creates a Real-World Simulator for testing. Conducts GNC trade-off studies and defines AOCS requirements and interfaces. Participates in testing campaigns and in-orbit commissioning.

Senior Backend Engineer to design and develop financial applications using C#, .NET, ASP.NET, and AWS. Experience with SQL databases and DDD/CQRS required.

Costing Controller needed for maintaining and controlling standard costing in SAP across multiple legal entities. Requires strong SAP (CO/PC, material costing) and advanced Excel skills. Experience with manufacturing costing, BOMs, routings, and variances is essential. Must be able to analyze large datasets and identify inconsistencies.

Own the execution of Agentic AI solutions from Proof of Concept to Production. Translate business needs into agent-ready requirements and manage the product backlog. Collaborate with cross-functional teams to ensure successful delivery of AI-driven products.

Technical Project Manager will develop project plans, manage resources, and ensure project goals are met. Responsibilities include configuring systems, troubleshooting, and collaborating with clients and engineering teams. Requires experience deploying complex software systems, understanding TCP/IP, Linux, DHCP, DNS, SNMP, and APIs. Must be fluent in English and available for 4 hours during PST business hours.

Power Platform Developer needed to design, develop, and deploy Power Platform solutions (Power Apps, Power Automate, Dataverse) based on business requirements. Must have experience with ALM/CI-CD, integration patterns, and Azure services. Strong communication skills in English and Polish required.