Lead Backend Developer (Node.js, NestJS)

We are growing our backend team and looking for a Lead Backend Developer to join us. This role requires strong technical skills, leadership experience, and the ability to manage backend development processes. You will work closely with the team to ensure high-quality code, scalable solutions, and smooth collaboration.

What you'll do

• Lead and mentor the backend team.
• Develop and maintain backend systems using Node.js, Nest.js, and TypeScript.
• Manage and optimize AWS cloud services (Elastic Beanstalk, EC2, Lambda, DynamoDB, RDS, SES, etc.).
• Improve development processes and ensure best practices.
• Help with hiring, onboarding, and performance reviews.
• Work closely with clients and stakeholders to align on project goals.

Must have

Technical Skills:

• 5+ years of backend development experience.
• Strong knowledge of Node.js, Nest.js, and TypeScript.
• Experience working with AWS cloud services.
• 18+ months of leadership experience (team management, hiring, giving feedback).
• Fluent in English (spoken and written).

Soft Skills:

• Leadership & mentorship – ability to support and grow a strong team.
• Clear communication – explaining ideas to both technical and non-technical people.
• Problem-solving – analyzing challenges and improving solutions.
• Teamwork – working well with cross-functional teams and creating a positive work environment.
• Proactiveness – taking ownership of tasks and driving progress.
• Adaptability – handling changes and working in a fast-paced setting.

What we offer

💸 Competitive compensation dependent on experience and skills

👭 A friendly team of like-minded individuals

🤒 Compensation for sick leave

🌴 21 working days of paid vacation, plus all Polish national holidays

🎉 Corporate events and activities

🩺 Private medical care (for residents in Poland)

🧩 Opportunities for learning and development

Why you should join us

• We are growing daily and expanding our client list, providing opportunities to develop skills and work on various projects.
• We avoid micromanagement and fully trust the professionalism of our hires.
• Our employees are always ready to assist and support you, ensuring you won't face problems alone.
• Fireart boasts a friendly atmosphere with talented individuals, promising an interesting journey for your continuous professional development.

We have 3 steps in the recruitment process:

1 - Interview with the Recruitment Specialist

2 - Interview with the Technical Lead

3 - Interview with the CTO