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Netguru

(Senior) Node.js Developer - Freelance

Netguru Poland · €73K/yr

IT Services and IT Consulting · 201-500 employees

Aug 20
Remote nodejs Senior (5-10 yrs) Contractor Full-time Poland
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About the role

You will provide deep system design judgment to help decide architecture, boundaries, and scalability for multi-product systems. You will work directly with the engineering team to write RFCs and ADRs while ensuring high standards for security and performance.

What they look for

Node.js System design Architecture decision records API design Security OWASP Top 10 Testing Asynchronous communication Technical writing Cloud infrastructure Performance optimization Problem solving Collaboration Software engineering

Requirements

Candidates must have 5-8 years of experience with strong expertise in Node.js and system design patterns. You must be able to work asynchronously, communicate effectively in English, and demonstrate a secure-by-default mindset.

Benefits

Remote work Professional development Access to diverse projects Collaborative team environment

Full description

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

How freelancing works at Netguru?As a Netguru freelancer, you can choose what works well for you. You decide when, where, and how you work on projects and tasks. 

We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.

But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.

So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.

We are looking for a Senior and Regular Node.js Developer.

Senior Node.js Developer: Salary: up to 30 EUR/h (on a B2B)

Start date: end of September 2026

Duration: 4 months

Engagement (senior): 1st month full time; 2nd-3rd month 50% engagement; 4th month full time

Working hours: CET + availability for meetings around 6pm cet

Node.js Developer:

Salary: up to 20 EUR/h (on a B2B)

Start date: end of September 2026

Duration: 4 months

Engagement (regular): full time assignment

Working hours: CET + availability for meetings around 6pm cet

Senior Node.js Developer:

  • Node.js + TypeScript.
  • PostgreSQL/Supabase.
  • REST API design and integration architecture.
  • Salesforce integration experience (data export/API), ideally Snowflake exposure.
  • Security-minded: auth flows, access scopes, handling personal data under GDPR.
  • Comfortable leading code review of an undocumented codebase and reporting findings to the client.
  • English C1.
  • AI: AI-assisted coding; strong at auditing vibe-coded/AI-generated backends.

Node.js Developer:

  • Node.js + TypeScript.
  • PostgreSQL/Supabase.
  • REST APIs.
  • English B2+.
  • AI: AI-assisted coding as standard practice.
  • 100% remote work;
  • work with an experienced team of developers and continuous development of your hard and soft skills;
  • long-term collaboration on challenging products

What will happen next?

  • We will invite you for a meeting with our recruiter.
  • Next, you'll participate in the technical interview.
  • Next, you will meet directly with the client.

Curious to learn more about working as a Netguru freelancer? All the information you need is here: Netguru Talent Marketplace.

Looking for a full-time job? Check out our Career Page and find out more about our open recruitment processes.

If you need any disability-related adaptation at any step of the recruitment process – simply let the recruiter know! We'd be happy to help.

Don't hesitate and apply right away.

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