Java Developer in Madrid or Remote

People come to Sngular attracted by projects that use cutting-edge technologies, and they stay because of the great professionals they work with. Plus, we offer this:

🙋‍♂️People first: we are a collaborative, people-oriented company where YOU and your perspective will always be valued. Our number one value is "People before results." Sounds nice? At Sngular, we actually put it into practice.

📈 Continuous growth and training: We have a startup spirit with the infrastructure of a large organization (we are already 1,500 strong). You will be offered professional growth opportunities: learning new skills, earning new certifications, or becoming a great leader... step out of your comfort zone any way YOU want!

🏋️‍♀️ Incredible benefits (detailed at the end), we even have a Wellbeing Pack to take care of our physical and mental health.

We have been recognized as one of the Top 10 companies to develop a professional career in Spain, according to the prestigious LinkedIn Top Companies 2026 list.

🌱 Our Sngular commitment: As a team committed to fairness under our Equality Plan, at SNGULAR we promote a plural culture where talent has no labels and everyone has the same opportunities. We work with respect, humility, and camaraderie, convinced that diversity makes us stronger.

Discover everything that makes Sngular a #BestPlaceToGrow

What will you do?

We are looking for professionals in the Java world who are not afraid to face new challenges. We want you to advocate for best practices and be a great team player.

If your ideal challenge is joining a company that stands up for people, quality, and delivering value to the client, we have a place for you! :)

• Writing clean and readable code instead of spaghetti code.

• Developing software using modern engineering approaches and agile methodologies.

• Participating in the team's daily life and contributing to decision-making.

• Collaborating with other areas.

• Growing and helping your teammates grow.

• Researching, applying, and promoting the use of generative AI tools and code assistants to optimize development workflows, automate tasks, and accelerate delivery cycles.

Responsibilities

• Hands-on experience in the Spring ecosystem: Proficiency in Spring Boot, Spring Data, and Spring Cloud.

• Advanced mastery of Java: Strong experience working with Java 17 and Java 21.

• Database management: Ability to work with and relate SQL, PostgreSQL, and MongoDB databases.

• Messaging systems: Knowledge and practical use of tools such as Kafka and RabbitMQ.

• Advanced architectures: Experience developing under DDD (Domain-Driven Design), Event-Driven Architecture, and MVC patterns.

• Testing culture: Ability to test your own developments using JUnit, Mockito, AssertJ, and Karate.

• Languages: Ability to communicate effectively in English.

• AI and Agent Integration: Researching and implementing modern AI frameworks to build intelligent features, working with autonomous agent architectures, and connecting language models with system capabilities.

• Advanced Architecture and AI: Implementing and evolving systems based on microservices and hexagonal architecture, while integrating vector databases to support semantic searches and AI contexts.

• SDD-based API Design: Designing, building, and consuming robust REST APIs using Spec-Driven Development approaches, ensuring clear and automatable API contracts for both humans and AI agents.

• Working day

  Flexible

• Location

  Spain

• Remote

  100%

• Vacations

  22 Days

Technologies and Skills

Mandatory

• Java8+

  Advanced

• Spring Boot

  Advanced

• Apache Kafka

  Advanced

Benefits

Language classes

Budget for training

Welcome pack

Wellbeing pack

Flexible compensation

2 days for technical events

December 24th and 31st

Celebrate Your Birthday: Day Off

Free unlimited access to UDEMY

Career plan

Additional bonuses: recommendations, being a speaker and writing technical articles.

Access to continuous training