Senior Go Backend Engineer - remote friendly

Qonto; Barcelona; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading financial technology company is seeking a Backend Engineer in Barcelona. You will design and develop scalable APIs and banking services, working closely with cross-functional teams. The ideal candidate has experience with Go, strong problem-solving skills, and a collaborative mindset. Competitive salary and numerous perks are offered, including a great work environment and employee well-being initiatives.

Servicios

Dynamic career track

Meal vouchers

Public transportation reimbursement

Great health insurance

Access to mental health resources

Childcare benefits

Monthly team events

Formación

• Solid experience in user-facing products.
• Exposure to architectural patterns in large applications.
• Knowledge of best practices in code quality and testing.

Responsabilidades

• Design, develop, deploy and maintain applications.
• Produce and ship high-quality, well-documented code.
• Co-own the services architecture and ensure robustness.

Conocimientos

Experience with Go

Problem solving

Team collaboration

Fluency in English

Herramientas

Kubernetes

AWS

PostgreSQL

Kafka

Descripción del empleo

Overview

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!

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

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

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.

Role and responsibilities

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.

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 usingKafka for our event-driven architecture, OpenTelemetry for observability and tracing, 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.

Your future team

As a Backend Engineer at Qonto, you'll join a team 350-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.

About You

• Experience: As a software engineer using Go, 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.

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 tailor-made and dynamic career track. An inclusive work environment. And so much more to help you succeed.
• Offices in Paris, Berlin, Milan, Barcelona, and Belgrade;
• Competitive salary package;
• A meal voucher;
• Public transportation reimbursement (part or global);
• A great health insurance (depending on the country);
• Employee well-being initiatives: access to Moka Care to take care of your mental health and great offers for sports and wellness activities;
• A progressive disability and Parenthood policy (1 in 6 of Qonto employees is a parent!) and childcare benefits with selected partners;
• Monthly team events.

Our hiring process:

• Interviews with your Talent Acquisition Manager and future managers
• A remote exercise to demonstrate your skills and give you a taste of what working at Qonto could be like
• Find more information about our interview process on our careers website.

On average, our process lasts 20 working days and offers usually follow within 48 hours

To learn more about us:

Qonto's Blog | Les Échos | L'Usine Digitale | Courrier Cadres

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