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Sr. FullStack (Java/React)

Q-Tech · 2 days a week in the office · Java · 4 days ago
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Salary
$56k – $67k per year (gross)
Location
Hybrid (Barcelona, Spain)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 31, 2026. First seen by Alion on Oct 27, 2026. Q-Tech scores C on the Alion truth index.

Overview
Company
Impact
Profile match

Q-Tech

Q-Tech is a specialized IT recruitment and talent selection firm focused on sourcing high-caliber engineering and technical professionals for technology-driven enterprises. Headquartered in Barcelona, Spain, the company utilizes a tailored, quality-first headhunting methodology to connect businesses with top-tier software and systems talent. Founded in 1999, it has grown into a trusted partner for organizations seeking specialized technical staffing solutions across diverse sectors.
q-techrec.com · HQ: Barcelona, Spain · 5000+ employees · Est. 1999
Tech stack of Q-Tech

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.

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

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