(Senior) Node.js Developer - Freelance
- Level
- Senior
- Work type
- Remote · Poland only
Not stated in the posting: salary, visa.
Open. First seen 3 October 2026.
About the role
Netguru's standard text
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?
Netguru's standard text
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.
Netguru's standard text
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
Requirements
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.
Benefits
- 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.
Netguru's standard text
Don't hesitate and apply right away.
What this role asks for
Standard for backend roles
PostgreSQL
Common in backend postings at any company.
68% of this description is written for the role. The rest is Netguru's standard text, folded away below.
Read against Netguru's other open postings on this site.
The team: NTG Freelancer HIRES STEADILY
This role is one of 15 open in NTG Freelancer. 4 were posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
CI/CD (7 of 15), AWS (4 of 15), Azure (4 of 15), Java (4 of 15), Kotlin (4 of 15), LLM (4 of 15), React (4 of 15)
OTHER ROLES ON THIS TEAM
- Senior Data Engineer - Freelance posted Oct 16
- Senior Java Developer (Polish-speaking) - Freelance posted Oct 13
- QA Automation Engineer - Freelance posted Oct 8
- (Senior) Product Manager - Freelance posted Sep 24
- (Senior) Fullstack Engineer (Go+ Selenium + Playwright) - Freelance posted Sep 15
- Senior Android Developer - Freelance posted Aug 26
- Product Owner - Freelance posted Aug 19
- Senior IT Business Analyst with AI - Freelance posted Aug 19
- Senior Python Developer - Freelance posted Aug 18
- Senior Python Developer - Freelance posted Aug 14
- (Senior) Frontend Developer with React and Flutter - freelance posted Aug 7
- Java Developer (Freelance) posted Jun 17
- Backend Kotlin Engineer - Freelance posted Jun 8
- (Senior) Golang Developer - Freelance posted Mar 11
From the team and dates on Netguru's own job board.
Posting history
Reposted once since 6 July 2026: a posting for this role in Poland was taken down and the role was posted again.
- 3 October 2026 – open (this posting)
- 6 July 2026 – closed 5 August 2026
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