hr English-speaking jobs in Legionowo

Frontend Developer will build user interfaces using React within a monorepo architecture. Responsibilities include writing clean code, collaborating with backend developers, and contributing to architectural decisions. Requires 2 years of frontend experience, familiarity with PostgreSQL or MySQL, and API experience.

Treasury Analyst will join a team of five professionals and report to the Treasury Manager. Responsibilities include forecasting, analyzing, and reporting cash flow, ensuring compliance with regulations, calculating foreign exchange exposures, and optimizing banking costs.

Team Leader (Java) will guide a development team, manage developers, and ensure high-quality software development. Responsibilities include technical mentoring, backlog analysis, feature delivery, code review, and troubleshooting. Requires proven experience in a Team Leader or Engineering Manager role, strong Java knowledge, and experience with Kubernetes/Docker, Spring Boot, and Git.

Provides remote administrative support to UK-based Principals from the Warsaw office. Responsibilities include calendaring, travel arrangements, expense reporting, CRM and client support, and team support. Requires fluency in English (C1/C2 level).

Develop and enhance Creatio platform customizations using C#/.NET and Angular. Design and implement integrations with external systems and web services. Debug issues, resolve defects, and support application releases.

Senior Salesforce Consultant provides business analysis consulting for enterprise projects, crafts solutions, mentors team members, and coordinates with clients. Requires 5+ years of business analysis experience, 3+ years in technology implementation projects, and 2+ years leading business requirements gathering. Salesforce implementation or administration experience is required.

Senior Android Developer will implement features for Android apps, ensuring security, performance, and scalability. Responsibilities include optimizing Gradle configurations, managing API integrations, and providing documentation. Requires 5 years of Android development experience or 2 years with Kotlin, strong Jetpack Compose and Jetpack component knowledge, and experience with RESTful APIs and Gradle. Fluency in Polish and English is required.

Drives the global rollout of a communication ecosystem integrating telephony, Salesforce Service Cloud, and AI. Conducts business analysis, designs workflows, and owns the product backlog. Requires 5+ years experience as a Product Owner or Business Analyst in Salesforce environments with strong understanding of CTI/telephony integrations and LLM use cases.

The company seeks a data-driven CRM Manager to own the full lifecycle communication strategy for two consumer brands: VPN and eSIM. This role involves developing and executing email, in-app, banner, and push notification campaigns to drive user activation, engagement, and retention. The ideal candidate has 3-5+ years of CRM or lifecycle marketing experience in a subscription-based app or SaaS environment.

The TOP Administrator supports the turnover process during the EPC construction of a CCGT Power Plant. The role manages turnover documentation, tracks system completion, and coordinates with construction, QA/QC, and commissioning teams.

Mobile QA Engineer needed to test updates for Android and iOS games, internal tools on macOS, and assist with regression testing. Requires 2+ years of manual mobile testing experience, proficiency in mobile log extraction tools, and fluency in Russian.

BeOne seeks a Senior Manager of Information Protection Management to lead data loss prevention (DLP) and insider risk management (IRM) programs. This role designs, implements, and executes comprehensive security programs, bridging technical controls and business risk. The ideal candidate has 6+ years in cybersecurity with 3+ years in information protection, experience with enterprise-grade DLP platforms, and knowledge of data governance and security frameworks.

Lead cloud-native data engineering architecture and design, developing scalable data pipelines using PySpark or Scala. Mentor engineers, promote development standards, and ensure data pipelines meet high standards of performance, security, and reliability.

Test Automation Engineer needed to design, implement, and maintain end-to-end automated tests in TypeScript. Collaborate with engineers throughout the feature lifecycle and contribute to test strategies and frameworks.

Mid Full Stack Engineer builds end-to-end features using Next.js, React, Node.js, and TypeScript. Develops backend services, contributes to AI agent workflows, and deploys to GCP Cloud Run. Requires 2-4 years of commercial experience with TypeScript, JavaScript, React, Node.js, and relational databases.

UX/UI Designer needed to create graphic designs, prototypes, and specifications for web, desktop, and mobile applications. Collaborate with teams to deliver user-centered solutions. Must have 5+ years of experience, proficiency in Figma/Photoshop/Illustrator, and strong communication skills.

Senior Backend Engineer to build a cloud-based security platform. Focus on infrastructure and backend systems. Requires 7+ years of backend development experience with Python, Go, Java, CI/CD, clouds, Terraform, and relational databases. Strong communication and collaboration skills.

Backend Engineer to build and maintain high-performance Java services and microservices. Design, implement, and maintain automated testing frameworks. Migrate legacy systems to modern integration layers using APIs and microservice patterns.

Business Analyst to join Data team, focusing on onboarding and operating model definition. Responsibilities include gathering and analyzing requirements, collaborating with stakeholders, and defining onboarding processes. Requires experience as a Business Analyst within data platforms, strong data understanding, and experience working with stakeholders.

Senior Data Product Engineer to design and develop analytical data products based on the Data Mesh methodology. Responsibilities include end-to-end data product ownership, implementing business logic, cost-conscious engineering, and ensuring data quality. Requires minimum 6 years of experience as a Data Analyst or Data Engineer, strong SQL and modeling skills, and experience with modern data warehouses (Snowflake preferred).