Java Backend Engineer (Mid-Level) in Barcelona

We are a fast-growing B2B SaaS company serving enterprise customers. As part of our commitment to seamless customer onboarding and implementation, we have created a new Professional Services Engineering Team within our Customer Ops unit. This team ensures that clients transition smoothly from contract signing to go-live, handling custom integrations, migrations, and technical onboarding.

We’re looking for a mid-level Backend-End Engineer to join our Professional Services team. This role is perfect for someone with a consultancy or project-driven background who thrives in a fast-paced, customer-facing environment. You will be responsible for building and optimizing custom integrations, automation, and enhancements that ensure a seamless client onboarding experience.

Duties and responsibilities

• Develop, maintain, and optimize back-end services in Java, ensuring smooth integrations with enterprise client systems.

• Implement custom API connections and data migration pipelines based on client needs.

• Work closely with the front-end developer and project managers to ensure end-to-end technical implementation.

• Assist in troubleshooting and debugging during client onboarding and go-live periods.

• Support the automation of repeatable onboarding tasks to reduce implementation time.

• Ensure that project timelines are met, keeping deviations minimal while delivering high-quality work.

Required skills and experience

• 3+ years of experience in back-end development with Java.

• Background in consultancy, system integration, or project-based development is highly preferred.

• Experience working with RESTful APIs, database design, and performance optimization.

• Familiarity with enterprise software integration, authentication (OAuth, SAML), and data migration.

• Strong problem-solving skills and ability to troubleshoot complex technical issues.

• Excellent communication skills to interact with enterprise clients and internal teams.

• Willingness to travel occasionally for go-live support.

What we offer

• Competitive Salary – We offer a competitive compensation package with performance-based incentives.

• Career Growth – Work in a high-growth environment with opportunities for professional development.

• Awesome Culture – Join a diverse, inclusive, and innovative team that values collaboration.

• High Impact Role – Play a key role in shaping the backend architecture of a growing SaaS platform.

• Exciting Travel-Tech Projects – Help revolutionize airline subscriptions and travel commerce.

• Coverflex Card – Use it for restaurants, transportation, childcare, and even health insurance—tax-free!

• Tech Tools Budget – Receive €150 after passing the probation period to spend on tech tools of your choice.

About us

At Caravelo we are always looking for people with the right mix of passion, authenticity, and attitude to join our team. We are also proud to be an inclusive, equal opportunity employer.