Senior/Staff - Backend Engineer - remote friendly

Logoslabs; San Francisco (CA); Remote; USD 180,000 - 240,000; Full time

Benefits offered by this job

Cursor/Copilot licenses

Job summary

Qonto is hiring a Backend Engineer to design, build, and maintain scalable backend services. You will work with Go and Ruby across a Kubernetes/AWS stack, focusing on robust, well-documented code and domain-driven architecture.

Join a 450-strong Product Engineering team and collaborate with mobile and frontend squads to deliver impactful features. We value quality, upfront design, and autonomous improvement.

Qualifications

• Strong experience as a software engineer with Go and Ruby backend.
• Exposure to architectural patterns of large, high-scale web apps.
• Fluent in English with collaborative, product-driven mindset.

Responsibilities

• Design, develop, deploy and maintain new and existing applications to meet goals and stakeholder needs.
• Produce high-quality, well-documented code.
• Co-own services architecture, resilience, and scalability with Domain-Driven Design principles.
• Grow in technical leadership and mentoring of other engineers.

Skills

Golang

Ruby

React.js

Kotlin

Swift

Go

Distributed systems

Team leadership

Tools

Kubernetes

AWS

PostgreSQL

Kafka

ELK

Job description

Our mission and customers:

We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75.

Our journey:

Founded in 2017 by Alexandre and Steve, Qonto has grown to 1,600+ Qontoers serving over 600,000+ customers across 8 European countries. We have been profitable since 2023, and we are just getting started.

Our beliefs:

We hire for skills and potential. With 80+ nationalities, 45% women, of which 56% of women in our leadership team, diversity isn't a program; It's who we are. We've built a discrimination-free hiring process because the best teams are built on merit.

AI at Qonto:

AI is deeply embedded in how we work (here) - Every Qontoer gets unlimited access to the best AI tools. We want people who experiment without waiting for permission, push AI beyond the obvious, know when to trust it, and when to question it.

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.

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, 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.

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.

• 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

Your future team

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, Banking & Payments, Financial Tools, Accounting, Systems & Monetization.

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.

About You

• Technical Expertise: You have strong experience as a software engineer, experience in Golang, and you have been exposed 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.

At Qonto we understand that true diversity isn’t just about ticking boxes on a hiring checklist. Who knows? You may have the missing piece of the puzzle we’ve been searching for all along.