Top Node.js Developers Team

Your Top Node.js
Developers Team

More than 230 business and tech leaders have built their web apps with our teams since 2005


With development expertise gained on over 150 international software projects

our developers and teams enable CEOs, CTOs, VPs of Engineering and Product Owners in startups and SMEs to design and craft quality software solutions. In doing so, we either augment clients’ in-house teams or deliver complete turnkey projects.


Craft an end-to-end application with a complete cross-functional team


Augment your in-house team with developers for expertise, greater capacity and speed

Mentoring &

Boost your developers’ skills with mentoring & workshops delivered by our experts


Client satisfaction

surveys reveal the average score for product and service quality in the last two years have been 85% and 90.2% respectively. We keep working to go beyond that.

I look for 5 key things in a software development partner: great programmers, consistent quality, excellent value, a responsive management team, and a fun experience. Selleo is a solid 5 out of 5 by my standards.

Myron WeberMyron WeberCEO at Northwood Advisors
Alyne GmbH is a Munich-based venture-backed B2B RegTech company providing SaaS software products in the domains of cyber security, risk management and compliance.
Manuel Reil
We wanted to augment our team, speed up the development process, and transfer knowledge. Selleo worked diligently to provide a solution that runs effectively. They produced a result that followed the specifics of a complex project.
Manuel Reil
CTO, Alyne, Germany
Simplifying compliance and risk management
RegTech SaaS Platform
Simplifying compliance and risk management
This business-focused Software as a Service digitises risk management and compliance. It mitigates cyber risks, allows to define policies, performs risk assessments and helps make well informed decisions. The solution is trusted by such industry-leading companies as Barclays, Allianz, Deloitte and solarisBank.

Hire experienced Node.js developers

Szymon Kieloch
Szymon Kieloch

Lead Developer

  • Helped to develop the most advanced Artificial Intelligence-powered user classification technology
  • Augmented the development of applications which were featured in Mashable, Forbs, TechCrunch, WIRED or BusinessInsider
  • A Lead Developer of business process management application used by Fortune 500 companies
Dawid Pośliński
Dawid Pośliński

Lead Developer

  • The Team Leader of an augmented team which develops SaaS platform used by industry-leading companies like Deloitte., Allianz or Barclays
  • A Speaker and an organizer of Poland's most active Ember.js Community with over 100 members
  • An Open Source Contributor, Ember add-ons creator & maintainer (Ember pell / Ember introjs / Ember metrics)
Tomasz Bąk
Tomasz Bąk

Lead Developer

  • The Organizer of Meet.js Bielsko-Biala Meetup (150+ members), conducted over 40 workshops and presentations on React, Angular, JSON API and GraphQL
  • Architected frontend applications for cloud-based solutions used by finance institutions, global ad publishers and major brands
  • Helped the customer meet important product launch by refactoring complex state management system developed for months in 2 weeks

Years in business


Designers & developers


Software projects

Looking for experienced Node.js developers?

Let's get in touch!