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INFINIT

Software Engineer

INFINIT

Full Stack Software Engineer responsible for product development at INFINIT, a fintech scale-up reshaping the SME economy with AI solutions and innovative products.

Posted 6/22/2026full-timeMadrid • 🇪🇸 SpainMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
PythonTypeScript

About the role

Key responsibilities & impact
  • Drive product development cycle by bridging the gap between business needs and technical execution.
  • Rapidly translate high-level goals into polished, shipped features.
  • Challenge requirements and bring a product-first mindset to the engineering team.
  • Ensure every line of code adds tangible value.
  • Prioritize and ship high-impact features in a fast-paced environment.

Requirements

What you’ll need
  • Exceptional software engineering and system design capability, with proven experience designing, building, and shipping production-grade, scalable systems across the full stack (including C#, Python, and Typescript proficiency), always prioritizing technical clarity and maintainable architecture.
  • A "Product-First" Engineering Mindset, demonstrating the ability to analyze business needs and challenge assumptions. You don't just build what is asked; you build what is needed to move the needle for the product and the user.
  • End-to-end feature ownership, driving the entire development lifecycle from defining requirements to robust implementation, QA, deployment and monitoring, maintaining high accountability for the final user and business outcome.
  • Strategic communication skills, capable of seamlessly translating deep technical concepts for business stakeholders and, conversely, translating complex business objectives into prioritized, elegant engineering solutions.
  • High-velocity development, leveraging modern developer tools (such as agentic coding or advanced automation techniques) to achieve accelerated delivery while rigorously upholding code quality and architectural integrity.

Benefits

Comp & perks
  • Competitive Salary and Equity: We offer highly competitive salaries and a stake in our success with share options because we're building this together.
  • Diverse and Inclusive Team: Join a dynamic and international team in excess of 8 nationalities. You'll have the chance to work with experienced professionals from around the world, fostering a rich learning environment.
  • Inspiring Mission: We are dedicated to revolutionizing business financing and making a positive impact on the European economy. Your work at INFINIT will have a lasting effect on businesses and communities.
  • Flexible Benefits: Access Flexible Retribution benefits through a convenient mobile app
  • Health and Well-being: Your health matters to us. You will have access to top-quality Medical & Mental Health Insurance.
  • Quality Time Together: We foster a sense of community with annual gatherings and bi-weekly office team gatherings. You're more than welcome to join us for quality time.
  • Personal Time Off: Enjoy flexibility with your personal time off.
  • Flexibility and Ownership: We trust our team and we are goal-oriented. Enjoy the flexibility of hybrid working 3 days a week in our Madrid office and 2 days at home.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
C#PythonTypescriptsoftware engineeringsystem designproduction-grade systemsscalable systemsmaintainable architectureend-to-end feature ownershipQA
Soft Skills
Product-First Engineering Mindsetstrategic communicationanalyzing business needschallenging assumptionshigh accountabilitytranslating technical conceptstranslating business objectiveselegant engineering solutionshigh-velocity developmentcode quality