(Senior) Node.js Developer - Freelance

Reposted One Month Ago
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Hiring Remotely in Poland
Remote
22-22 Hourly
Senior level
Information Technology • Software • Design
The Role
Senior Node.js developer to design, implement, and document scalable, secure web applications. Mentor teammates, conduct code reviews, translate product requirements into technical plans, assist API integrations, identify technical debt, and support database optimization and deployment (Docker, AWS).
Summary Generated by Built In

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


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.

Don't hesitate and apply right away.

Skills Required

  • 5+ years of experience in Software Engineering or adjacent fields
  • 3+ years working fully remotely with demonstrated self-management and accountability
  • Hands-on experience with JavaScript and/or TypeScript
  • Hands-on experience with Node.js and/or NestJS
  • In-depth understanding of web application architecture and scalable design principles
  • Solid understanding of Software Development Life Cycle (SDLC) and Agile methodologies
  • Experience designing and optimizing databases, including query optimization, scaling, and data modeling
  • Advanced knowledge of Docker
  • Advanced knowledge of AWS
  • English language proficiency (C1)
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The Company
HQ: Poznań
501 Employees
Year Founded: 2008

What We Do

Netguru is a digital acceleration consultancy founded in 2008. Netguru builds digital products that let people do things differently – offering digital acceleration tools, resources and know-how to companies of all shapes and sizes – to make beautifully designed digital products in a way that’s fast and fits their needs. Netguru provides consulting services in product development, creating software solutions, and product design. Since our founding in 2008, our team has completed more than 1000 projects and has 500+ people on board working from all over the world. Currently, Netguru collaborates with the largest brands in the world, such as UBS, Merck, Volkswagen, IKEA, and Keller Williams, as well as fast-growing innovators in the financial (Solaris), education (Babbel) or robotics (Temi) industries. Netguru has been recognized as one of the fastest-growing companies in Europe. Our company was featured in the prestigious Deloitte’s Technology Fast 50 (four times) and in The FT 1000 list in 2017, 2018, 2019, and 2022. We're a certified B Corporation since 2020. Netguru was also recognized among the Best Workplaces, Poland in the 2021 edition of the Great Place To Work® listing. Connect with us to keep up to date with news from Netguru and follow the latest trends in our industry.

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