Senior Ruby Backend Engineer

Our mission? Creating the freedom for SMEs to succeed in business and beyond, by delivering Europe’s leading finance workspace. We combine business-class tools (seamless invoicing, spend management, and pre-accounting) with unwaveringly attentive 24/7 support, designed to help businesses breeze through all things finance.

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

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 55% international team members, 44% women, and 20% parents. Join us in building a workplace that celebrates diversity and individuality.

⭐ Mission: Join us as a Backend Engineer to craft polished user experiences, highly scalable APIs and robust banking services, all to help create the finance solution all businesses love.

⚡ Impact: As a Backend Engineer, you will be part of a team of 160 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 Go and Ruby for backend, EmberJS and React for 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 using Kafka for our event-driven architecture and ELK for logging and auditing, among many other tools, services, and applications.

🤔 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 team 500-strong Product Engineering department, organized into cross-functional teams (CFTs) across four domains: 

• 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.

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

• Problem solver: You are a pragmatic and product-driven engineer, with an interest in solving problems and delivering value to customers;

• Impact maker: You want to help build an innovative product used by tens of thousands of users and leave your mark;

• Quality-driven: You follow best practices regarding code quality, testing, and code reviews;

• Curiosity: You are a curious and open-minded engineer eager to learn;

• Team player: You have good communication skills, are comfortable working in a team, and can easily work with non-technical colleagues;

• Languages: You are fluent in English.