Senior/Staff Backend Engineer

🌏 Location: You can choose to work in Qonto as long as you're living in (or willing to relocate to) either Germany, France, Italy, Serbia, Portugal, or Spain.

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.

As a Backend Engineer, you will be part of a team of 180 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.

• 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, React.js 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.

• 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.

• We value the efficiency and productivity of our engineers: that’s why we provide each of our engineers with licenses for Cursor or Copilot, enabling them to focus on what they do best – coding innovative solutions

As a Backend Engineer at Qonto, you'll join a team 450-strong Product Engineering department, organized into cross-functional teams (CFTs) across five 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.

• Regate by Qonto, providing collaborative accounting solutions for accounting firms through automated pre-accounting, invoice processing, and seamless integration with major accounting software.

You'll work in a CFT of 6-8 backend engineers, owning your product scope and collaborating closely with mobile, frontend teams, and product managers to deliver impactful solutions.

• Experience: As a software engineer, you have solid experience in working on user-facing products 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.