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Backend Engineer 2nd hand Marketplace
Job Location:
Monthly Salary:
Posted:
2 July 2026 (30+ days ago)
Posted:
Application Deadline:
29 September 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Department:
Job Summary
Barcelona Full-time Hybrid
Fledge
We are a boutique search firm connecting exceptional Talent with the most innovative companies and products that positively impact our societies. We present a tailor-made solution between fine consulting and flexible Talent search process outsourcing:
- Fractional Talent Acquisition Advisory
- Recruitment operation tooling
- On-demand Talent Search
Company summary
Our client is a high-growth European tech scale-up on a mission to redefine how the world consumes. They believe in a collaborative economy where smart technology makes sustainable second-hand trade the global norm.
Operating as a major cross-border marketplace in Spain Italy and Portugal they manage a massive ecosystem with hundreds of millions of products. Their goal is to blend the trust of traditional classifieds with the seamless convenience of a modern marketplace.
In this role you will:
- Youll spend your time writing and maintaining clean scalable code in Java or Kotlin depending on where your teams focus lies.
- You wont just code to spec youll use Domain-Driven Design to build features that actually map to the real-world problems were solving.
- Youll help us modernize and refactor legacy parts of our system ensuring everything stays healthy and performant as we grow.
- Youll help raise the bar for the whole team by creating solid testing strategies and participating in a code review culture thats about mentorship not just nitpicking.
For this job you must:
- Master our stack:
- Kotlin & Java
- Spring Boot & Ktor
- Kafka & RabbitMQ
- MySql DynamoDB Redis & RedShift
- Docker
- Solr & ElasticSearch
- AWS: S3 ECS RDS Lambdas CloudWatch MSK SES CloudFront & more
- You enjoy digging into complex technical puzzles and finding the most elegant way to solve them.
- You have a quality-first mindset but youre also pragmaticyou know how to balance perfect code with the need to deliver real value to our users.
- Youre someone who genuinely loves to learn and share what you know. Were a dynamic team and were looking for someone who wants to grow right alongside us.
How to Apply
If you are excited about this opportunity and believe you are a great fit for the role please send your resume and a note outlining your experience and what motivates you to join a European tech scale-up.
Diversity Equity Inclusion and Belonging
We are committed to enabling everyone to feel included and valued and we trust our partners to do the same. We believe both the company and its culture are strongest when composed of diverse experiences and backgrounds.
All qualified applicants will receive consideration for employment without regard to age color family gender identity marital status national origin physical or mental disability sex (including pregnancy) sexual orientation or any other characteristic protected by applicable laws.
ℹ Important
If you have a medical condition or an individual need for an adjustment to our process and you believe this may affect your ability to be at your best please let us know so we can discuss how we can best support you and make any necessary adjustments.
In case of any doubts or questions please contact -
Required Experience:
IC
