Job Title: Full Stack Software Engineer

Type: Full-time

Location: Paris

What about us?

Launched in 2023, INFINIT is a fast-growing fintech scale-up operating in multiple countries across Europe and Americas.

At INFINIT we are on a mission to reshape the future of SMEs with AI at the forefront. Our all-in-one operating system has banking at its core, and empowers small business owners and their teams to seamlessly manage and optimize every aspect of their business with AI agents.

By focussing on specific industries, INFINIT delivers tailored, high-value solutions, while building innovative AI products to further unlock significant growth opportunities for our customers. INFINIT operates globally, with ambitions to further expand its footprint to redefine the fintech landscape for SMEs worldwide.

Join us on the INFINIT journey as we revolutionise the SME economy and drive meaningful impact through innovation 🚀

The Role

We are hiring a Full Stack Software Engineer to drive our product development cycle. This role is built on the philosophy that the best engineers don't just write code, they build solutions. Your primary responsibility is to bridge the gap between business needs and technical execution, rapidly translating high-level goals into polished, shipped features.

You will be expected to challenge requirements, bring a product-first mindset to the engineering team, and ensure every line of code adds tangible value. This role demands strong software engineering proficiency and acute product judgment to prioritize and ship high-impact features in a fast-paced environment.

What do you need to be successful in this role?

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.

What will you find working at INFINIT?

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 with Swile 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 and corporate gym discounts.
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 as well as your birthday 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 Paris office and 2 days at home.

Diversity and Inclusion

INFINIT promotes an inclusive culture that seeks equity and values different perspectives. We are proud to be an equal opportunity employer and consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender, gender identity, national origin, disability, veteran status or any other legally protected characteristic.

INFINIT

Full Stack Software Engineer

About the Job

Requirements

Responsibilities

What do you need to be successful in this role?

What will you find working at INFINIT?

About the Company

INFINIT

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