Senior Software Engineer

About the role

Location: Spain - 100% Home office friendly.

We are looking for a Senior Java Software 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 of building maintainable and scalable code, applying testing driven development and design patterns.
• Strong knowledge of relational databases and SQL, taking it to its limits.
• Event streaming platforms such as Kafka or RabbitMQ
• Handling services with high concurrencies and high volume requests.
• Proficiency in using Datadog or other similar profiling tools and monitoring systems.
• Proficiency in business English.

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 and 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 Interview - 2h: A deep dive into your technical expertise through a system design discussion and a short coding exercise, giving you the chance to walk us through your reasoning and problem-solving approach — and ask us anything about your day-to-day at Fever.
• Manager Interview - 1.5h: A conversation about how you communicate context and trade-offs, own outcomes, quantify impact, and think about reliability, scale, and system design decisions.