About Upflow

Upflow revolutionizes the way B2B businesses get paid, unlocks owed cash reserves, and empowers companies to grow better.

We are a product-led SaaS startup, launched in 2018 and trusted by hundreds of companies across the US and EMEA, including Lattice, Front, Iziwork, ProductBoard, and more. We're also backed by leading investors (YCombinator, 9yards, eFounders) 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 — we have offices in the US (NYC), EU (Paris) and are very remote friendly.

For more information, visit www.upflow.io

What you will do

As an Engineering Intern, you will work at the heart of Upflow's Product & Engineering team, on the visible part of our SaaS.

Your tasks

• Implement new features using agile methodology (epic, user stories)

• Work closely with product and design to ensure the successful implementation of features

• Follow up on all aspects of the feature delivery (implementation, QA, bug analysis, testing)

Who you are

• You are either fluent in English, or fluent in french with basic english knowledge. You will be in Paris during the internship.

• You are currently in the last year of your computer sciences/engineering studies (engineering school, master, etc).

• You like being part of a team, you’re autonomous and keen to learn.

• You know Javascript (or Typescript) and React from previous internships or projects. Any other element of our stack is a plus.

This is a paid internship, compensated 1,500 EUR per month, starting in 2025 for a duration of 6 months. The role is based in our office in Paris (métro Rambuteau/Arts & Métiers), you will mostly work from the office to benefit from coaching.

Our current stack

• 100% Typescript

• React, Node.js+Express, Postgres and Redis (queues)

• Monolith hosted on GCP + CloudFlare

• Datadog + Sentry for monitoring. Github Advanced Security.

• Full continuous delivery on CircleCI, with 10 deploys per day on average & 1000s of non-regression tests run on each build

• Notion for documentation

Why join Upflow?

🚀 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.

🪐 Top end offices in central Paris, with a strong remote culture