Full Stack NodeJS Engineer (offline)

RESPONSIBLE is building technology to enable brands to offer circularity and keep garments out of the landfill.

We build products that are customer-facing, brand-facing, and at the infrastructure level. This includes apps people use to send back items (Buy Backs), e-commerce and retail store integrations to enable credits for returned items, private and public APIs, etc.

Our goal is to grow the adoption of circularity in the fashion industry by making it turn-key for brands. Recommerce today is like e-commerce was in the early-2000's are there are many interesting challenges to solve.

This role is for a Team Lead interested in building software to solve those problems, change the fashion industry, and help the environment.

RESPONSIBLE works with premium brands to enable their customers to return items for store credit and give them a second life. We are making circularity as turn-key as e-commerce.

The person

We are looking for an experienced, senior-level full-stack engineer with a speciality or preference in Backend development. The person is skilled and comfortable in their craft after years of working with real-world production applications. You are also opinionated enough to participate in implementation discussions, but humble enough to be open-minded to others' ideas.

Note: For this role we can consider candidates only with European citizenship.

The work

You’ll work on a small, self-sufficient product team to design, develop, test, deploy, maintain, and improve software across our product line. While you won’t officially manage people, as a senior developer you’ll be seen as a mentor to younger, less experienced developers, and should be willing to coach and provide guidance to them.

Our tech stack

- Frontend: React with the NextJS framework
- Backend: NodeJS on the NestJS framework
- Database: Postgres
- Infrastructure & DevOps: Azure Cloud
- CI/CD: Azure DevOps


- 5+ years of experience in software development
- 3+ years of experience in our tech stack above
- Bachelor's degree in a software-related program
- Upper-Intermediate English-speaking level
- Clear, concise communicator
- Excellent time management and organization skills
- That would be great if you have a pet project or contribute to open source


- Salary + options depending on skill


- Holidays: 21 days plus local statutory
- Computer hardware & software
- Employee discount
- Cycle-to-work scheme (if local)
- Pension: 5% monthly employee contribution, 3% employer (UK residents only)
- Healthcare – Aviva (UK residents only)

Responsible is located in Belfast, Northern Ireland, UK but this role is available to anyone to work remotely in timezones between GMT+0 and GMT+2. Some benefits (as noted above) are only available to UK residents.

About Blackbird Lab

Blackbird Lab is a software development company. While we are practicing international working culture, we are proud representatives of Ukrainian values and traditions. We are a team of 80+ energetic, curious, smart, and open to new challenges tech pros who prefer efficient async communication, flexible working hours, a co-working office model, etc.

Being in this craft for about 5 years, we managed to accumulate expertise and bring value to a number of clients. We cooperate with US and Canadian product companies of different sizes, from small startups to established products, in close, trusted relationships.

All team members, including management, have an engineering background. The process, participants who speak the same language and have a similar approach based on technical principles, is always efficient. It is way easier to make decisions and introduce new features in a team with engineering at heart. It is the technical DNA that lets us build high-quality products that facilitate the lives of our customers’ users.

Address: Holosiivskyi Ave 132, Kyiv

Company website:

DOU company page:

The job ad is no longer active
Look at the current jobs Node.js →.

  • Category: Node.js
  • Node, NodeJS, Node.js, JavaScript / NodeJS, React, ReactJS
  • English: Upper-Intermediate
  • 5 years of experience
  • Domain: E-commerce / Marketplace
  • Full Remote
  • Product
  • United Kingdom
  • Only candidates from Europe