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Junior Java Developer

Dentsu

Barcelona, ESonsitePosted May 28, 2026

Skills

hibernatejenkinsspringdockeroraclejava

About the role

Job Description:

We Dream. We Do. We Deliver.

At Merkle, a dentsu company, we power the experience economy. Whether we’re building the next great app, running CRM at scale for global brands, delivering technology architectures that support millions of users, or providing world-class data, identity, and insights solutions, it’s all in the name of crafting experiences that set brands apart from the competition. Backed by dentsu's legacy of innovation and creativity originating in Japan, we’ve spent over 35 years helping brands build loyalty, drive growth, and connect meaningfully with their audiences.

We’ve been named a global “Leader” by top industry analyst firms in categories as wide-ranging as digital transformation and commerce, experience design, engineering and technology integration, digital marketing, data science, CRM and loyalty, and customer data management.

Job Description

We're located in sunny Barcelona, Spain, around 20/30 mins away from the beach, and we're looking for Java Developers at all levels to join our agile teams, working for one of the biggest telecommunications and media companies worldwide.

Reporting to your Team Lead, you will be ready to push the boundaries of digital change and join a growing team with an amazing work environment.

Join us and experience the joy of working with top professionals and our vibrant social calendar – we look forward to welcoming you to our team!

Key responsibilities

Design and code Java backend applications using a test-driven development approach.

Focus on the quality of your codebase (refactoring, testing, clean code).

Be involved in all phases of the development cycle (from Analysis to Delivery).

Deliver a valuable increment to the Business in every sprint.

Participate in translating High-level requirements into comprehensive technical design.

Help improve your teams way of working.

Support consumers of your team's components.

Qualifications

Technical background (Degree in software engineering, computer science or engineering telecommunications)

Experience with Java/J2EE (1+/2+ years)

Knowledge of Object-Oriented Design and programming an advantage

Enthusiastic

You will be a great Team player (teamwork is our main objective)

You will need a good level of English.

EU work permission.

Experience working in an Agile environment (Scrum methodology)

Experience developing RESTful Web Services

Experience with Test-driven Development (TDD)

Behavior-driven Development (BDD)

Knowledge of relational databases and SQL (Oracle)

Any Spring, Hibernate, iBatis, Maven, GIT, Docker, or Jenkins.

Additional information

Whether it's the joy of working with people at the top of their game or the Merkle social calendar, people love working here – and we hope you will too:

Attractive compensation package.

Spanish/English Lessons

Free Life and Health Insurance

Career development through Merkle University

Day off on your birthday

Annual wellness days

Merkle Care Employee Assistance Program

Merkle Benefits Club

2 volunteering days per year

Flexible salary compensation scheme

Flexible hybrid home office work conditions

At dentsu, Diversity, Equity, and Inclusion (DEI) is central to our vision: "To be at the forefront of people-centered transformations that shape society." We cherish the unique talents and perspectives of all individuals, welcoming applicants regardless of gender, gender identity, nationality, religion, ethnicity, cultural background, sexual orientation, age, physical or mental ability. By embracing diverse perspectives, we create meaningful change and sustainable growth for our people, clients, and society. Our hiring decisions are guided by qualifications and role-specific requirements, ensuring a workplace free from discrimination and harassment.

#LI-MERKLE

#LI-HYBRID

Location:

Barcelona

Brand:

Merkle

Time Type:

Full time

Contract Type:

Permanent

Location:

Barcelona

Brand:

Merkle

Time Type:

Full time

Contract Type:

Permanent

Questions about this role

  • How do I apply to this Junior Java Developer role at Dentsu?

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  • What's the typical salary for Software Engineer in Spain?

    Compensation for Software Engineer roles in Spain varies widely by seniority, employer size, and remote vs onsite arrangement. Check the salary range on this listing when published, or browse our Software Engineer hub for Spain medians across recent openings.

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