Senior Backend Engineer
Behind the user-friendly iOS and Android apps and webpage that work across the world is the engineering team. We are in charge of creating, developing, improving, and maintaining all Fever services so that more people can have an amazing experience.
About the role
Location: Spain - 100% Home office friendly
What are we looking for:
We are looking for a Senior Software Engineer to join the Engineering team with outstanding software development talent proven by great work results/experience. Somebody who cares about code quality and not just getting things done, but getting 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 Python-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 in your domain, using business context and technical excellence to drive strategic initiatives forward
About you
Must have skills:
Strong knowledge of best 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
Experience with event streaming platforms such as Kafka or RabbitMQ
Handling services with high concurrencies and high volume requests.
We use these technologies, so it would be a plus if you have experience in:
Django/Flask
PostgreSQL and Redis
AWS, Docker, and Kubernetes
Benefits & Perks
23 days of vacation plus half a day on your birthday
Private medical insurance sponsored by the company
40% discount on Fever Marketplace
Flexibility to work from home
English & Spanish conversational classes
Wellhub (former Gympass) membership
Possibility to receive part of your salary in advance with Payflow
Flexible remuneration with Cobee
Budget for engineering events and trainings
Young and international environment
Attractive compensation package consisting of base salary and the potential to earn a significant bonus for top performance.
Base Salary: 50K - 75K EUR
Total Compensation: 67K - 90K EUR (Including Base, Variable, and Stock Options)
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.