Senior / Staff Backend Software Engineer - Remote Friendly

Our mission ? Making day-to-day banking easier for SMEs and freelancers thanks to an online business account that's combined with invoicing, bookkeeping and spend management tools. Thanks to its innovative product, highly reactive 24/7 customer support and clear pricing, Qonto has become the leader in its market.

Our journey: Founded by Alexandre and Steve in July 2017, Qonto has rapidly gained trust, serving over 500,000 customers. Thanks to our wonderful team of 1,600+ Qontoers, we also made it to the LinkedIn Top Companies French ranking

Our values:

Customer focus | Prioritize customers in everything you do

Ownership | Own your part, get things done

Teamwork | Make (team)work easy

Mastery | Continuously raise the bar

Integrity | Always do what’s right, and respect people

Our beliefs: At Qonto, we're committed to fostering a welcoming environment where everyone can thrive. We prioritize evaluating applicants based solely on skills and potential, ensuring diversity with 50% international team members, 44% women, and 20% parents. Join us in building a workplace that celebrates diversity and individuality.

Our mission ? Making day-to-day banking easier for SMEs and freelancers thanks to an online business account that's combined with invoicing, bookkeeping and spend management tools. Thanks to its innovative product, highly reactive 24/7 customer support and clear pricing, Qonto has become the leader in its market.

Discover the steps we took to create a discrimination-free hiring process .

Impact: As a Backend Engineer , you will be part of a team of 120 highly skilled back-end engineers from all over the world. You will work closely in cross-functional teams to shape our finance solutions. You will also take part in the direction of our banking product, manage how we will handle our ever-growing user base needs, and deliver high-quality products in a fast-paced environment.

As a Backend Engineer at Qonto, you will

• Design, develop, deploy, and maintain new and existing applications to reach the team’s goals and to meet the stakeholders’ needs
• Produce and ship high-quality, well-documented code
• Co-own our services architecture, resilience, scalability, and robustness, with respect to Domain-Driven Design principles
• Grow on technical leadership & mentorship of other engineers

Our primary languages are Python , Go, and Ruby for the backend, EmberJS for the frontend, and Kotlin and Swift for our mobile apps. Our platform runs on a Kubernetes cluster hosted on AWS , with PostgreSQL as our database of choice. We’re also usingKafka for our event-driven architecture and ELK for logging and auditing, among many other tools, services, and applications.

Many Qontoers have learned Go and/or Ruby since they joined. As long as you've been using either Java, Javascript, or Typescript intensively in your experience, we trust you’ll grow quickly on our stack

What you can expect: our methodology, the Qonto Way

• We highly value the analysis phase on software delivery. We're putting a heavy emphasis on upfront technical designs, team reviews, and smart slicing. You can expect to focus on quality , which we believe drives the velocity our customers need.

• We think success comes from a space where you're given time, support, and autonomy to improve yourself, our systems, and our processes. Our lean toolbox enables you to monitor your constant improvements ( Kaizen , PDCA) in a collaborative way with your peers and manager.

• Our engineers, working in cross-functional teams, dedicate themselves to one feature at a time .

As a Backend Engineer at Qonto, you'll join a 350-strong Product Engineering department, organized into cross-functional teams (CFTs) across four domains.

These domains include :

• Customer Lifecycle , focusing on account management and compliance,
• Business Account , enhancing payments and financial tools,
• Systems & Monetization , optimizing integrations and pricing,
• Financial Tools , supporting cash flow management and bookkeeping.

You’ll work in a CFT of 4-6 backend engineers, owning your product scope and collaborating closely with mobile, frontend teams, and product managers to deliver impactful solutions.

About You

• Experience : You have strong experience as a software engineer and have had exposure to architectural patterns of large, high-scale web applications;
• Problem solver <