hr English-speaking jobs in Legionowo

Software developer to design, develop, and maintain software solutions for training, deploying, and managing machine learning solutions. Will propose and work on ideas for solving optimization or control problems, turning them into prototypes and verifying them. Collaborate with a global team to identify and solve real-world challenges. Requires a Master's degree or equivalent experience in Computer Science, Software Engineering, Electrical Engineering, or a related field, along with programming experience in C#, Python, and related libraries. Experience with structured and unstructured databases (SQL, Postgres, TimescaleDB, NoSQL) and architecting performant, scalable, and extendable software solutions is also needed. Excellent written and spoken English communication skills are required.

Mid-level full-stack developer to build features using Next.js, React, TypeScript, Prisma, and PostgreSQL. Experience with AI coding assistants (Cursor, Copilot) and third-party services (Supabase, Stripe) required.

Project Manager to drive execution and delivery for a remote, cross-functional team building a mobile game. Responsibilities include sprint direction, Live Ops planning, backlog clarity, and release predictability. Must have 2 to 5+ years of experience in product management or production within mobile casual or free-to-play games.

Experienced Test Manager needed for growing e-mobility company. Manage end-to-end testing process, define test strategy, and coordinate testing activities. Minimum 5 years testing experience, 1 year as a Test Manager, and API testing expertise required. Solid knowledge of testing methodologies and Agile environments. Advanced English and Polish communication skills.

Sales Development Representative (SDR) to identify and qualify high-potential Web3, AI, and blockchain projects. Responsibilities include prospecting, lead nurturing, CRM management, and market research. Requires 2+ years of experience in a related field and a deep understanding of the Web3 ecosystem.

Own and launch a new digital product line, Terapia, connecting patients with therapists in Poland. Drive product and operational decisions, onboard therapists, and shape the product for local users.

Formed is seeking a Freelance Business Developer to identify and qualify leads, support deals, and prepare for sales conversations. Must have at least 2 years of experience in sales, business development, or a client-facing role and be based in Europe.

Our mission is to prove that privacy-friendly MarTech and compliance solutions can truly enable growth — not stand in its way. We have been in operation for 10+ years and have around 170 people on board. Our client portfolio comprises over 400 brands from more than 30 countries, including Crédit Agricole, the European Commission, Maersk, DSV and DKMS.

Develop, validate, and document BIOS and Firmware for Akamai servers. Collaborate with vendors, evaluate pre-release hardware, and provide input on future product designs.

Business Development Representative to join a growing technology sales environment in Krakow. Build and maintain business relationships, identify and close sales opportunities, and recommend tailored technology solutions. Requires 1+ year of sales or business development experience, German proficiency (B2+/C1 minimum), and English proficiency (B2 minimum).

Supports the CEO by managing administrative, operational, and selected management responsibilities. Plans and coordinates the CEO's schedule, facilitates meetings, and ensures timely execution of action items. Serves as a liaison between the CEO and direct reports, tracking progress and providing insights.

Software Engineer II will build and evolve macOS and iOS application features in Swift for Jamf's unified end-user application. Responsibilities include breaking down problems into engineering work, collaborating with engineers across Jamf product areas, and contributing to shared platform components.

Experienced full-stack developer to design, build, and maintain high-performance applications using Node.js, Next.js, and React. Collaborate with stakeholders, mentor team members, and leverage AI-powered tools. Strong production experience with React and the Node.js ecosystem is required.

Designs and transforms data structures within a data warehouse using Data Vault. Creates business transformations with dbt and Snowflake SQL. Orchestrates dbt with Airflow and connects source systems to Snowflake.

Own and launch a new digital product line, Terapia, in a new market. Drive product and operational decisions, onboard therapists, and shape the product for local users.

We are looking for an experienced Senior Sales Planner / Sales Performance Analyst to support commercial teams across the Nordic markets with high-quality sales insights, margin analysis and performance tracking. This role sits at the intersection of sales, commercial strategy and analytics, acting as a trusted partner for sales leaders and key stakeholders.

Lead a team of QA professionals in Europe, ensuring service quality and client satisfaction. Manage outsourcing relationships and develop strategies aligned with business goals. Coach and mentor QA managers and senior managers.

As a Solutions Engineer, you will guide Enterprise sales engagements, leading technical discovery, product evaluations, and proofs of concept. You will partner with Account Executives to demonstrate n8n's capabilities in complex customer environments, addressing security, scalability, and reliability requirements.

Senior Fullstack Developer needed with 5+ years' experience in software development. Expertise in C#, RESTful APIs, Azure, and Agile methodologies required. Strong analytical and problem-solving skills essential.

Mid-Level .NET Developer will contribute to developing and implementing IAM tools, ensuring scalable security frameworks. Experience with .NET Core, ASP.NET, Microsoft SQL, Angular, and cloud deployment models (Azure/AWS) is required.