hr English-speaking jobs in Legionowo

Lead Product Designer to guide a design team, leveraging AI and design methods to create meaningful products. Requires 7+ years of experience, design leadership, and a strong portfolio.

QA Software Engineer will contribute to the development and quality assurance of a mature SaaS event platform. Responsibilities include test strategy, execution, automation, API inspection, defect management, and collaboration with development teams. Requires 5+ years of experience in QA for SaaS, web, or mobile applications, API mastery, SDLC strategy, code literacy, and ISTQB certification.

Leads software engineering for a critical business product, including development, quality, delivery, and operations. Builds and manages high-performing teams, drives product roadmap execution, and ensures technical excellence. Collaborates with Product, Architecture, Delivery, Operations, Security, and business stakeholders. Requires 10-15 years of software engineering experience, 5+ years leading teams, and experience in scalable, reliable software development.

Executes fund accounting tasks including cash, position, and OTC reconciliation, trade capture, corporate actions processing, and pricing review. Supervises a team of up to 7 staff and facilitates their development. Assists in the development of the NAV team, setting goals and acting as a guide and mentor.

Senior Full Stack Developer will design, develop, and maintain frontend and backend components of a regulated clinical platform. Responsibilities include implementing code in compliance with medical device regulations, collaborating with cross-functional teams, and ensuring system reliability and security.

Lead the implementation of AI solutions for enterprise clients. Manage the full project lifecycle, from technical discovery to go-live and optimization. Serve as the primary point of contact for clients, managing expectations and navigating complex integrations.

Analyzes operational data from wind, PV, and BESS assets. Identifies underperformance and root causes. Prepares performance reports and verifies O&M contractor reports. Develops and maintains analytical tools and supports the technical team with data-driven insights.

Head of Technology will lead the ~80-person technology department, shaping its structure, performance, and culture. This role requires experience leading engineering organizations, managing engineering managers, and delivering technology transformations. The ideal candidate will have a strong technical background, experience with cloud migration, and a servant leadership approach.

.NET Developer to design and implement backend services for a multi-channel communication platform. Responsibilities include developing REST APIs, translating business requirements into cloud-native solutions, and ensuring adherence to security standards.

Senior QA Engineer will perform manual testing of web applications and AI-generated outputs. Responsibilities include designing and executing test cases, validating AI behavior, and reporting defects. Requires 4 years of manual testing experience, knowledge of testing methodologies, and experience with TestRail, Postman, and JIRA.

Lead the delivery of large-scale Maximo implementation projects. Serve as a technical solution leader, guiding projects from design to deployment. Provide technical mentorship and guidance to consultants. Contribute to business development by preparing responses to RFIs/RFPs.

Senior Ruby on Rails Developer needed to design, implement, and test new features and applications. Must have 5+ years of commercial experience with Ruby on Rails, HTML, CSS, JavaScript, and SQL.

As a Staff Applied AI Engineer, you will lead end-to-end AI programs for strategic customers, mentoring a team of engineers and delivering high-quality ML solutions. You will translate business objectives into scalable AI solutions, own the production lifecycle, and serve as a technical advisor to customer leadership.

As a Data Scientist, you will turn business questions into data-driven solutions, from problem framing to production. You will work in close collaboration with business owners, product teams, and the Data Platform team. You will apply structured methods while maintaining pragmatism and work in cross-functional teams.

Lead a team of engineers building internal tooling and APIs for payments. Manage daily operations, drive technical execution, and support team growth. Oversee system health, manage incidents, and ensure quality in all releases.

Senior Power BI Developer needed for a 5-month project. Develop and maintain Power BI reports, including a centralized semantic model. Requires 7+ years of experience, strong DAX and SQL skills, and experience with Azure DevOps. Excellent communication skills and the ability to translate business needs into technical solutions are essential.

C# Developer will design and implement business logic for Veeam's product lines, including Cloud, SaaS, virtualization, backup & replication. Develop new features, enhance functionality, and take ownership of major components.

Senior Mobile SDK Engineer will build innovative, high-performance SDKs for a next-generation passwordless authentication platform. You will integrate deeply with Android and iOS internals, collaborating with backend engineers and security specialists.

Senior Quality Assurance Tester for a web service tool used by small to medium companies. Responsibilities include executing manual tests, reporting bugs, and collaborating with development teams. Requires proven QA experience, strong communication skills, and excellent attention to detail.

AI Engineer to design, implement, and maintain AI-powered applications for the financial industry. Requires proficiency in Python or TypeScript, full-stack development, and experience with LangChain, LangGraph, and LLMs.