Sr. FullStack (Java/React)
At Q-Tech · Barcelona; Barcelona, Spain
Salary: €50,000 – €60,000 a year
- Engineering
- Senior
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Where you’ll work
Hybrid, based in Barcelona
“Barcelona”
From the location.
“Barcelona, Spain”
From the job board field.
The job board lists it as hybrid.
Hybrid means some days in the office. The listing says how many, and where.
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- Posted
- 27 October 2026
- First seen by us
- 28 October 2026
- Last checked
- 18 hours ago
Job description
From Q-Tech’s job post, as they wrote it.
At Q-tech, we collaborate with the global leader in reusable packaging containers and pallets for the fresh produce supply chain, whose mission is to make that supply chain sustainable.
They run a closed-loop pooling system with more than 400 million containers in circulation and over 2.5 billion shipments a year. They serve 300+ retailers and 18,000+ growers in more than 50 countries. Their sustainability targets are validated by the Science Based Targets initiative (SBTi), and they aim to be net-zero and zero-waste by 2040.
Read the full description
In 2024 they opened a Digital Hub in Barcelona to drive digital initiatives across the fresh supply chain.
We are looking for a Senior Full Stack Software Engineer to join the Digital team that develops the company’s main customer platform. It is a multi-tenant, service-oriented platform that integrates around 30 software products and serves 14,000 weekly active users in 25+ languages, on web and mobile.
Responsibilities
* Develop and evolve features on a platform.
* Lead the platform’s modernization from traditional Java enterprise containers to a modern stack built on Spring Boot, React and microservices.
* Separate and integrate microservices within a service-oriented architecture.
* Help build a new module for automated asset tracking using digital chips, part of the platform’s role as the single customer-facing layer for new digital solutions.
* Work with high-volume data.
* Collaborate closely with the platform’s lead architect, who sets architecture guidelines and provides technical mentoring.
Requirements
* Solid experience as a Full Stack Engineer with Java (Spring Boot) and React.
* Experience with PostgreSQL.
* Experience with service-oriented or microservices architectures.
* A methodical, structured engineering approach, used to working in regulated environments with demanding quality and security standards.
* Microsoft Azure experience is a plus.
* Hands-on experience with AI-assisted development tools is highly valued (this will be covered in the technical interview).
What is offered
* Salary: €50,000 – €60,000 gross per year.
* Hybrid model: 2 days a week in the Barcelona office.
* Health assurance
* Learning budget
Sr. FullStack (Java/React)Q-Tech
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