Senior Software Engineer JavaScript (Greenfield, R&D Team)

Senior • Remote

$18,000 - $22,000/

We're seeking a Senior Software Engineer (JavaScript) who is passionate about clean code, modern tools, and building new products 🤖

💻 Company: A European MarTech, delivering cutting-edge solutions to over 2,500 brands worldwide, including BMW, Nestlé, and L’Oréal.

Project: You are joining a brand-new R&D team (Greenfield project) to build an AI Agents Management Platform.

🔧Tech Stack: JavaScript (React/Typescript), HTML5, CSS3

✨ Nice to have: GitHub Copilot or VS Code

📍 Work location: Poland, remote

What will your daily tasks look like?

📌 Design and develop the frontend architecture for the new AI orchestration platform from scratch using React (design/architecture, development, implementation, testing).

📌 Collaborate with Product designers, PMs & support to bring features to life.

📌 Owning code quality. (unit, integration, and other QAs tests). We encourage using AI assistants (like GitHub Copilot) to speed up unit testing.

📌 Create, maintain, and own code and application documentation.

📌 Assist the Support and Engineering team in debugging and troubleshooting software defects.

📌 Coach and mentor junior devs and help shape the processes and selection of tools.

📌 Dive into architecture & contribute to research and specification phases with Product Managers while exploring new product ideas with the team.

We’re looking for:

✅ 6+ years of practical experience in the development of commercial-grade web-based software applications using JavaScript and front-end technologies: HTML5, CSS3.

✅ Proficiency in data-driven web applications.

✅ Good understanding and commercial experience with React.

✅ Experience from a product company, not a software house, would be an advantage.

✅ Familiarity with REST and modern tools: Webpack, Node.js, Yarn.

✅ Strong communication & team spirit.

✅ Practical use of SOLID programming principles and SCRUM/KANBAN/AGILE workflows.

✅ Advanced English skills (spoken and written).

✨ Nice to have: GitHub Copilot or VS Code

What do we offer?

🎖️ Supportive company culture – flat structure, strong teamwork and openness to new ideas.

🎖️ Remote-first setup. Do you prefer slippers instead of shoes or maybe you are expecting Amazon delivery? No worries, we’ve got you covered.

🎖️ Private medical packages (Luxmed or Medicover) and Benefits System (multi-sport) will be covered

🎖️Freedom to influence tools, architecture, and processes.

Hello! I’m Olga and I am responsible for this recruitment process. If you have any questions, please feel free to reach out. I will be happy to meet you!

Ref. no: SSEJ/12/2025/P

Contact details:

👩‍💻 Olga Kamińska,

📧 e-mail:olga.kaminska@hrcontact.co

HR Contact

HR Contact is a company operating in the technology and e-commerce industry, focusing on developing innovative digital solutions. The company is involved in projects that integrate artificial intelligence and machine learning, particularly in the realm of recommendation engines for e-commerce platforms. HR Contact values innovation and the creation of a digital future, emphasizing a collaborative work environment. The company supports remote work, indicating a flexible and modern approach to work-life balance. HR Contact is committed to quality and excellence in software development, as evidenced by its focus on clean, tested code and adherence to programming principles. The company also values interpersonal skills and teamwork, fostering a supportive and dynamic work culture.