Senior Backend Software Engineer (TypeScript, NestJS/Node.js) (m/f/x)

Description

Atolls is the world’s largest community-driven shopping platform, active in 20+ markets.

We help millions make smarter spending decisions across discovery, evaluation, and (re-)purchase by connecting people with the right brands and retailers.

Our 1,000+ team across 10 countries builds products used every day at global scale, where you’ll have real ownership and see your impact. Want to shape the destinations people rely on to shop with confidence? Keep reading.

About This Role:

We are looking for a Senior Backend Software Engineer to join our Fulfilment team in Paris (hybrid) or working remotely from France . You will build and scale the backend services that power our saving and rewards programs, ensuring customers can securely authenticate, manage their accounts, and use self-services without friction.

By implementing proactive fraud prevention and building resilient architecture, you will protect our users and create a reliable, seamless experience that prevents issues before they need to contact support.

Our Benefits:

At Atolls, we believe in nurturing both your professional and personal growth. Here’s what you can expect:

A culture that values personal and professional development, with internal mobility opportunities.

A supportive and open-minded team that embraces diverse perspectives and innovative ideas.

32 days of paid vacation plus your birthday off, giving you the time you need to recharge.

A flexible hybrid working scheme to balance work and life.

Access to a learning budget and internal training to help you grow in your role.

Mental health coaching to support your well-being.

Regular global and local get-togethers to celebrate successes and build connections.

The possibility of taking a sabbatical after three years with the company.

A cloud-based company setup, providing flexibility and collaboration opportunities no matter where you are.

These are global benefits that apply to all employees, with additional local perks based on your location.

Responsibilities

• In this role, you will:
• Architect and develop scalable web applications using Node.js, TypeScript, and NestJS
• Drive collaboration with product and engineering teams to deliver secure, high-quality backend solutions.
• Optimize application performance and resolve c omplex backend issues to ensure a frictionless user journey.
• Architect seamless integrations with third-party APIs and messaging queues like SQS and SNS.
• Establish best practices for code documentation, unit testing, and backend security.
• Mentor engineering team members and guide te chnical decision-making for backend architecture.
• Your Profile:
• We’re looking for someone with advanced ba ckend development and cloud architecture experience, who is dedicated to building secure, scalable fulfilment systems that p rotect and empower our users.
• You have 6+ years of experience as a Software Developer.
• Knowledge of AWS technologies such as DynamoDB, Elasticsearch, relational and NoSQL databases, EventBridge and messaging and queuing solutions like SQS, SNS (or any other cloud platform like Google Cloud or Azure).
• General understanding of common design and architectural patterns, with the ability to produce elegant designs in back-end, REST API, EDA and microservice architectures.
• Logical, analytical thinking, with a structured and target-oriented approach and very good problem-solving skills.
• Passion for delivering clean code, unit/integration tests, and maintainable documentation.
• Familiarity with Agile/Scrum methodologies and DevOps best practices.
• Knowledge of common frameworks such as GitLab, Docker, and CI/CD solutions.
• Optionally, experience with GraphQL, federation and Supergraph concepts.
• Good communication skills in English.