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Sperton Global AS career site
Information Technology · Lisbon · Hybrid

Lead Java Backend Developer – Lisbon

Are you a Java Backend Developer based in Portugal? Ready for a 12-month hybrid contract in Lisbon within the Payment Domain? Freelancers and contractors with fluent English encouraged to apply!


Contract: 12 months
Location: Lisbon 
Work Model: Hybrid (3 days in office)
Work Time: Full-time
Employment Type: Contract (12 months)

About the Role

Join a dynamic team working on innovative payment technology solutions for a leading European financial institution. As a Lead Software Engineer (Back-End), you’ll develop and lead scalable, resilient backend systems, driving technical excellence and mentoring your team in a hybrid work environment.

About the Client

You will contribute to a strategic project aimed at enhancing the performance and reliability of critical payment platforms used across Europe. This is a unique opportunity to work with a respected financial institution committed to innovation and excellence.

What You’ll Do

  • Develop secure, modular, and testable backend code using Java technologies.

  • Architect and deliver complex projects from design through deployment.

  • Own software lifecycle, including runtime, dependencies, and infrastructure.

  • Introduce technologies that enhance performance, scalability, and reliability.

  • Mentor and guide development teams on best practices.

  • Collaborate with global teams using Agile methodologies.


Must-Have Skills

  • Strong experience with Java, J2EE, Spring Boot, JUnit, Oracle

  • Expertise in Microservices architecture focusing on latency, scalability, and resiliency

  • Solid foundation in algorithms, data structures, and software design principles (SOLID, DRY, SRP)

  • Hands-on with CI/CD pipelines and DevOps practices

  • Experience refactoring monolithic systems with strangulation patterns and anti-corruption layers

  • Excellent English communication skills (fluent)

  • Bachelor’s degree in Computer Science or related field


Additional Information

  • Open to freelancers, contractors, and consultants only

  • No sponsorship available

  • Must be ready and available to start promptly


About Sperton

Sperton Norway AS is part of Sperton Global, an international recruitment and consulting firm. We connect top talent with leading organizations and support candidates throughout the hiring process.

Department
Information Technology
Locations
Lisbon
Remote status
Hybrid
Employment type
Contract
Job location
Lisbon , Portugal
Employment Level | Seniority
Mid-Senior level, Senior Level
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Contact Kavita Mahajan Senior Recruitment Advisor – Renewable Energy

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Information Technology · Lisbon · Hybrid

Lead Java Backend Developer – Lisbon

Are you a Java Backend Developer based in Portugal? Ready for a 12-month hybrid contract in Lisbon within the Payment Domain? Freelancers and contractors with fluent English encouraged to apply!

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