Senior Java Backend Engineer

About the role

Location: Spain

What are we looking for:

We are looking for a Java Backend Engineer to join the engineering team with outstanding software development talent proven by great work results/experience. Somebody that cares about code quality and not just get things done, but get things done right.

If you're smart, have great energy, can't think about a system without a CI/CD pipeline and you want to thrive in a fast paced environment, we are in sync.

What would you do at Fever?

During your first month at Fever (Onboarding period):

You’ll join a structured onboarding program designed to help you ramp up smoothly. During this period, you will:

• Meet your buddy and team, and get to know Fever’s culture and ways of working.
• Set up your local environment and become familiar with our based stack, CI/CD pipelines, and cloud infrastructure.
• Learn about our architecture and observability tools while contributing small improvements and fixes.
• Have your first code running in production and a clear understanding of our delivery flow and processes.
• By the end of the onboarding, you’ll be ready to join your long-term squad and start contributing to larger initiatives.

After 3 months at Fever:

You’ll be confidently collaborating and delivering at full speed. You will:

• Design and implement end-to-end features within your squad.
• Participate in architectural discussions and propose improvements across our services and APIs.
• Work with event-driven systems and focus on performance, reliability, and scalability.
• Collaborate closely with Product, Data, and other Engineering teams to enhance our platform and developer experience.

By your 6th month at Fever:

You’ll be fully established as a key contributor in your team. You will:

• Take ownership of core components and help evolve their architecture.
• Lead by example through code reviews, design sessions, and mentoring.
• Contribute to best practices in areas like scalability, observability, and system design.
• Drive continuous improvement and have a visible impact on how we build high-performing services at scale.
• Become an expert of your domain, using business context and technical excellence to drive strategic initiatives forward

About you

Must have skills:

• Strong knowledge on good practices, testing and design patterns
• You are proficient in business English
• You know how to deliver code from development to production
• Experience with RESTful APIs (implementation and consumption)
• Knowledge of relational databases and SQL

We use these technologies, so it would be a plus if you have experience in:

• Java (J2EE/ Java 25)
• Spring / Spring Boot frameworks
• REST APIs
• NoSQL databases
• Familiarity with Docker/Kubernetes environments
• Used to working with tools like Git, Jenkins, CI/CD pipeline
• Exposure to Elasticsearch, RabbitMQ or Agile methodologies

Benefits & Perks

• Home office friendly anywhere in Spain
• Flexible schedule
• Opportunity to have a real impact in a high-growth global category leader
• 40% discount on all Fever events and experiences
• Responsibility from day one and professional and personal growth
• Great work environment, international team of talented people to work with!
• Health insurance from Day 1.
• English or Spanish Lessons
• Gympass Membership
• Cobee (tax free allowance on restaurants and transport).
• Possibility to receive in advance part of your salary by Payflow.

About the process

Fever aims to provide the best-fastest possible experience to our candidates. This is how it would look like:

• Talent Interview - 1h: An intro to Fever, our culture and a conversation about your background and experience.
• Technical Assignment: Your opportunity to demonstrate all you know! We would like to receive it back within 3 days.
• Team Interview - 2h: A discussion about your proposed solution to the technical challenge and your chance to make sure you know everything you need about Fever.
• Engineering Manager Interview - 1h: A deep dive into your technical expertise and your opportunity to ask anything you need to know about your day to day at Fever.