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Remote Senior Backend Engineer (lvl. 4)


Paris, France

Remote worldwide

CET (–3/+3 h)

Posted 5 months ago

Senior/Staff Engineer position for one of the most exciting banks for SME businesses

Tech stack

  • Ruby

Our mission? Creating the finance solution that energizes SMEs and freelancers, so they can achieve more. We simplify everything from everyday banking to bookkeeping and spend management. At Qonto, we’re passionate about creating the best product, so if you’re looking for an ambitious team that’s revolutionizing an old-fashioned industry, get in touch!

Our journey: Alexandre and Steve launched Qonto in July 2017. Since then, the team has earned the trust of more than 350,000 customers and opened offices in Paris, Berlin, Milan, and Barcelona. Last summer, we joined forces with Penta, a market leader based in Berlin and Belgrade, forming a united team of 1000+ Qontoers. We also made it to the Top 3 of LinkedIn Top Startups France!

Our values:

Ambition | We tackle big challenges. No matter what.

Teamwork | We create momentum by working together, at the same speed.

Mastery | We pursue excellence through continuous learning. We face challenges with humility. Every day.

Integrity | We're open. We're honest. And we earn the trust of our clients and each other.

You can find out more about the Qonto Way here.

Our beliefs: Our goal at Qonto is to create a warm and welcoming environment where individuals from all walks of life can truly thrive. We've gone above and beyond to ensure that every applicant is evaluated solely based on their skills and potential, rather than their gender, ethnicity, age, (dis)ability, or any other irrelevant factor. Our team consists of 49% international individuals, with 44% women and 20% parents. With this diversity, we are a powerful force! Join us in our mission to build a workplace that celebrates diversity and embraces individuality. Discover the steps we took to create a discrimination-free hiring process.

Our career track: At Qonto, we believe skills are more than just job titles, so we have built our career track with a customized skills matrix for each roles. That's why we don't use internally typical labels like "senior" or "director" to define your seniority. Instead, we have established levels from 1 to 9 that truly reflect your expertise and impact. We value your unique abilities and want to recognize them in the best possible way!

🌏 Location: You can choose to work in a full-remote mode as long as you're within a +/- 3 hours CET timezone

⭐ 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 100 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 Staff Backend Engineer at Qonto, you will

  • Provide technical leadership on large complex technical projects
  • Mentor junior & senior members of the Backend team
  • Build a great product by shipping efficient features
  • Produce and ship high-quality, well-documented code
  • Produce software designs to support overall scalability and long-term maintainability

Our primary languages are Python, Golang and Ruby for backend, EmberJS 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.

Many Qontoers have learned Python, Go and/or Ruby since they joined. As long as you are willing to learn, it doesn't matter if you've been using Java, Javascript, Typescript or Scala.

🤔 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.

🤝 Your future department Head

One of our Heads of Backend at Qonto is Guillaume. He's managing teams working on our Core Banking System. He has a strong career with multiple software engineering experiences. Before joining Qonto in October 2020, he had previously been the Engineering Manager & Head-of for several scale-ups in e-commerce & cloud-based search and discovery platforms.

What can he bring to you and the team?

Guillaume has a lot of experience in software craftsmanship, scaling, infrastructure and team management. You will have the opportunity to work in a team that values high-quality software. He also fosters and promotes a highly diverse and collaborative workplace, and embraces ambitious technical challenges.

🏅About You

  • Technical mastery of one or more programming languages: Go, Ruby, Python, Java, Javascript/Typescript. Robust background in distributed systems/SOA and used to working with multiple Teams
  • State of art engineering practices: Testing, refactoring, domain-driven design...
  • Problem solver: You are a pragmatic and solution-oriented engineer, who is interested in solving hard problems and delivering value to the users
  • Impact maker: You want to help build an innovative product used by hundreds of thousands of users and leave your mark
  • Team player: You value collaborative analysis, group work, pair programming, code reviews
  • Languages: You are fluent in English

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

🎁 Perks

  • A laptop. An inclusive work environment. A tailor-made career track. And so much more to help you succeed.
  • central fully-renovated building in Paris with WeWork services
  • Monthly team events
  • Tailor-made remote work policy depending on the job you apply for
  • 25 days of paid leave + 5 Qonto days or 25 days of paid leave + 10 RTT +/-
  • Alan health insurance, Moka Care to take care of your mental health, and Gymlib for sports and wellness activities
  • Swile lunch card: 50% covered
  • A progressive parenthood policy as part of our commitment to the Parental Act (1 in 6 of Qonto employees is a parent!) and childcare benefits with selected partners


€78K - 88K + Equity

Role type

Full time

Visa sponsorship

Not provided

Benefits & perks

  • Remote Working

  • Laptop

  • Team retreats

  • Extra vacation days

  • Relocation budget

  • Parental Leave

  • Gym memberships

  • Coffee & snacks


  • Free meals & snacks

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