Senior Back-End JS Engineer

CobbleWeb; Remote; PLN 168,000 - 254,000; Full time

Job summary

A leading technology firm based in Poland is seeking an experienced NodeJS developer for a fully remote position. The ideal candidate must have over 3 years of experience with NodeJS frameworks, MySQL, and PostgreSQL. This role involves designing user-centric solutions in a collaborative environment, focusing on complex problem-solving to enhance business goals. Successful applicants will thrive in a purpose-driven culture that values professional growth and innovation in eCommerce. Join a team that is changing the landscape of online marketplaces with cutting-edge technology.

Benefits

Professional growth opportunities

Diverse and inclusive culture

Structured Agile approach

Qualifications

• 3+ years experience with NodeJS frameworks (Nest or Express).
• 3+ years experience as an expert in MySQL and PostgreSQL.
• Experience with REST APIs.
• Familiarity with Docker in local and production environments.
• Strong understanding and proven implementation of Agile methodologies.
• Experience with Test Driven Development in CI/CD environments.
• Experience with test automation.

Skills

NodeJS frameworks

MySQL

PostgreSQL

REST APIs

Docker

Agile methodologies

Test Driven Development

Test automation

RabbitMQ

Redis

AWS

ElasticSearch

Job description

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 CobbleWeb?

• Professional Growth: Growth at CobbleWeb 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.

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:

• MobyPark, a parking space app, acquired by a leading Dutch parking operator.
• SoShop, an award‑winning neobank & customer loyalty network, acquired by European fuel conglomerate, AVIA.
• FanPass, 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).
• 67%: marketplaces’ share of global ecommerce.
• 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 APIs.
• 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 ElasticSearch experience is a plus.