Senior Back-End JS Engineer

This position is 100% remote.

What are we looking for?


• Purpose- Driven:


• You understand how your work impacts end-users and business goals.


• You have a result-oriented builder’s mindset and are always curious to learn more.




• Complex Problem Solver: You thrive on managing complexity and are adept at designing user-centric solutions that balance technical and business needs.


• Passionate &Committed:


• You take pride in your work and view it as more than just a job.


• You are motivated to contribute to our mission: to democratise the development of online marketplaces like Amazon, Airbnb and Uber.




• Effective Communicator &Team Player: You have strong communication skills, give and receive feedback well, and collaborate effectively within cross-functional teams.


Why Cobble Web? Professional Growth:


• Growth at Cobble Web is non-negotiable.


• Work on diverse and challenging ecommerce projects that will push your skills to new heights.


• Be part of a rapidly-growing team that values your input and encourages continuous learning.

Purpose- Driven Process:


• Our structured approach to product development is rooted in Agile principles and Lean methodology.


• Every project phase is well-planned, starting with an in-depth discovery process, which ensures clarity and productivity.

Inclusive Culture:


• Join a diverse, multicultural team where every opinion is valued.


• Collaborate across disciplines to deliver exceptional solutions.


But don’t take our word for it.

Check out our team’s feedback . . . and the stats don’t lie either:


• 4. 5* employee rating on Glassdoor.


• 3. 5 years average employee tenure.


• 5* client rating on Clutch.


• 30+ marketplaces built since 2012.


Notable exits and incredible growth stories:


• Moby Park, a parking space app, acquired by a leading Dutch parking operator.


• So Shop, an award-winning neobank &customer loyalty network, acquired by European fuel conglomerate, AVIA.


• Fan Pass, an early-stage event ticket marketplace, already generates millions of euros in revenue.


• Nestify, an innovative property management platform, has expanded to the UK, UAE, Spain, France, Ireland, Australia and South Africa.


The online marketplace model is taking over the world:


• $3. 5 trillion: global B2C marketplace sales (2023) 1


• 67%: marketplaces’ share of global ecommerce 2


• 310 million: active users on Amazon. If they were citizens, it would be the world’s 4th largest country!


Massive opportunities for growth:


• The B2B ecommerce market is four times the size of B2C ecommerce, with only a fraction currently served by marketplace platforms.


• Other growth areas include niche verticals, hyper-localisation, and service marketplaces.


• Third-party integrations such as fintech, SaaS, and procurement tools are supercharging marketplaces and also driving growth.


• Marketplaces are early adopters of advanced technology such as AI, ML, and IoT, driving both innovation and growth.


Job requirements:


• NodeJS frameworks, e. g. Nest or Express (3+ years experience).


• MySQL and PostgreSQL expert (3+ years experience).


• REST AP Is.


• Docker (local and production environments).


• Strong understanding and proven implementation of Agile methodologies.


• Proven application of Test Driven Development within a Continuous Integration/ Continuous Delivery environment.


• Experience with test automation.


• RabbitMQ, Redis, AWS, or Elastic Search experience is a plus.