Sr. FullStack (Java/React)

Q-Tech; Barcelona; Hybrid; EUR 50,000 - 60,000; Full time

Benefits offered by this job

Hybrid work model

Health assurance

Learning budget

Job summary

Q-tech is hiring a Senior Full Stack Software Engineer for its Digital team in Barcelona. The role focuses on modernizing the platform with a Spring Boot/React stack and microservices, handling high-volume data, and integrating new asset-tracking capabilities.

You will collaborate with the lead architect and work in a multi-tenant SaaS environment serving thousands of weekly users across languages, with a hybrid Barcelona-based setup and a competitive salary package.

Qualifications

• Solid experience as a Full Stack Engineer with Java (Spring Boot) and React.
• Experience with PostgreSQL.
• Experience with service-oriented or microservices architectures.
• Methodical, structured engineering approach for regulated environments with high quality and security standards.
• Microsoft Azure experience is a plus.
• Hands-on experience with AI-assisted development tools is highly valued.

Responsibilities

• Develop and evolve features on the platform.
• Lead the platform’s modernization to a stack with Spring Boot, React and microservices.
• Separate and integrate microservices within a service-oriented architecture.
• Build a new module for automated asset tracking using digital chips.
• Work with high-volume data.
• Collaborate with the platform’s lead architect and receive mentoring.

Skills

Java

Spring Boot

React

Microservices

Azure

Tools

PostgreSQL

Job description

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

Salary: EUR 50000–60000 per year