← All Jobs
Posted May 8, 2026

Senior Software Engineer - Full Stack

Apply Now

About Upflow

Upflow provides cutting edge cash collection technology to help B2B companies get paid faster and simpler.

We are a product-led SaaS startup, launched in 2018 and trusted by hundreds of companies across the US and EMEA, including Lattice, ProductBoard, Instawork and more. We're also backed by leading investors (YCombinator, Hexa, Hedosophia) and top business angels from N26, Square, Mercury, Uber, and NetSuite.

This is an amazing opportunity to work and learn in a fast-growing Fintech and an international environment.

For more information about our company and our team, visit our careers page at www.upflow.io/careers

About the role

You will join a small and efficient team, based in Paris, that works on high-impact features for our users. The range of topics is wide and includes workflow automation, payment processing, and communication features such as email, calls, and letters. In particular, we invest significantly in AI to supercharge our product with real use cases, and you will play a significant role in building our AI foundations.

We work in continuous deployment (10 deploys in production per day on average) and we value pragmatism, ownership, and growth mindset.

For more information about how we operate in the engineering team, please read this article.

What you will do

In your day-to-day, you will:

Our current stack

Who you are

At Upflow, we are committed to building a diverse and inclusive workplace. We encourage all individuals to apply, even if you don’t meet every qualification. Research shows that some candidates may hesitate to apply unless they meet every requirement. However, we believe that a variety of experiences and perspectives can bring value beyond the listed qualifications. If you’re excited about what we do and feel you could contribute, we want to hear from you

Why join Upflow?

Top-market compensation + company’s equity.

Best-in-class product in a massive market.

Fast-moving environment - you will never stop learning and growing.

Trusting environment - hands-off management style with a strong culture of ownership and autonomy.

International environment - work with team members across Europe and the US.

✈️ Exchange program - Opportunity to work from New-York for 4 weeks a year

Flexible remote culture with offices in Le Marais

Team activities such as lunch, drinks and offsite organized regularly.

Apply Now
Interested in this role?Apply on iHire