All offersWarsaw, Mazowieckie, PolandJSMid/Advanced Backend Engineer (Node.js)
Mid/Advanced Backend Engineer (Node.js)

Mid/Advanced Backend Engineer (Node.js)

Warsaw, Mazowieckie, Poland
Type of work
Employment Type
Operating mode

Tech stack

    Microservice Architecture
    Amazon AWS
    nice to have

Job description

Friendly offer

Сlient is a young, ambitious and successful e-commerce and retail business in rapid growth. Through several online shops and the franchise chain Skousen we sell white goods and premium products for the home – to customers in all of Scandinavia.

To us, tech is the driving force of growing our business. So, we’re investing heavily in a modern tech setup with great developer experience. We value quality in every bit of our development cycle, and we’re continuously working on improving it.As our Senior Software Engineer, you'll be part of our tech department alongside 40 dedicated and brilliant colleagues. You’ll work within an autonomous product squad, collaborating with UX designers, data scientists, and software engineers across Poland and Denmark to solve problems and achieve your squad's mission.


  • Cross-functional teams with close collaboration and fast feedback loop across different domains (Development, Business, UX/UI)
  • We strive to be a technological lighthouse - high focus on quality, standards, tests and modern approach to development
  • Close cooperation with the Danish office on multiple levels e.g. architecture group
  • team is very open-minded for any ideas regarding improving, not only coding practices, but also teamwork & "workflow"
  • Knowledge sharing across squads and the whole organization. We utilize theme-oriented guilds and inner source model of development


  • Being a part of 1 of our 6 autonomous product squads, where you’ll contribute to building our new B2B and B2C e-commerce platform.
  • T-shape - wide & varied spectrum of development tasks with a focus on a particular business topic, from beginning to feature delivered to the client, you have the chance to be a driver for a change
  • Engaging in solution design and architecture discussions within your squad
  • You can shape your own role in the organization and influence the whole organization, we are very open to new ideas and improvements of our processes
  • Embracing hypothesis-driven development, focusing on achieving desired outcomes and fulfilling the squad's mission.
  • Spend 90% of the time developing new features
  • Highly ambitious tasks allowing you to master and expand the full range of skills, not only as a developer but also considering business/QA/DevOps/UI/UX points of view

Technical Requirements:

  • Typescript - good knowledge of Node.js, Next.js, with a keen interest in optimising performance and scalability - 3+ years
  • Event - driven Microservice architecture - basic understanding of architecture and patterns
  • We use a modern set of CI/CD tools:
  • Git, Docker, Terraform, CircleCi
  • Ensure high standards:
  • Jest, Supertest, Eslint, Postman, Prettier
  • Good understanding of project management methodologies: Agile, Scrum, Kanban, Waterfall

At Conscensia we offer:

  • B2B Contract with a fixed monthly rate with 20 working days of paid days off per year, 20 workdays absence due to sickness per year, fully paid bank holidays
  • Hybrid model of cooperation - 3 days per week from our Warsaw Office located at Lucka Street (must have)
  • Danish work culture
  • Medical insurance
  • Co-financing Multisport Card
  • Annual performance appraises
  • Business Trips
  • Mature Team and supportive environment
  • Learning opportunities on both the technical and soft skills side
  • Long term engagement