Staff Software Engineer - Backend (f/m)

TN France; Paris; Hybride; EUR 45 000 - 80 000; Plein temps

Résumé du poste

An innovative firm is seeking a skilled backend engineer to join their Cloud Wallet team. This role involves developing and maintaining robust services for managing crypto wallets, utilizing Scala and TypeScript in a collaborative environment. You will work closely with passionate engineers to leverage functional programming principles and optimize service performance. Enjoy a hybrid work policy, comprehensive health coverage, and a vibrant company culture with frequent social events. If you're eager to dive into the world of cryptocurrencies and contribute to a leading platform, this opportunity is perfect for you.

Prestations

Stock Options

Hybrid Work Policy

Frequent Social Events

Comprehensive Health Insurance

Personal Development Coaching

Five Weeks Paid Leave

High-Performance Office Equipment

Transportation Reimbursement

Employee Discounts

Qualifications

• Experience in backend services programming is essential.
• Knowledge of relational databases and SQL is required.

Responsabilités

• Build and maintain highly available backend services.
• Conduct performance benchmarks and optimize services.

Connaissances

Backend Services Programming

Relational Databases (SQL)

Linux Operating Systems

Continuous Integration/Deployment

Containerization

Cryptocurrencies and Blockchain Technology

Outils

Postgres

Scala

TypeScript

Description du poste

Social network you want to login/join with:

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Client:

Ledger

Location:

Paris, France

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

2e01384cd155

Job Views:

2

Posted:

09.05.2025

Expiry Date:

23.06.2025

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Job Description:

We're making the world of digital assets accessible and secure for everyone. Join the mission. Founded in 2014, Ledger is the global platform for digital assets and Web3. Over 20% of the world’s crypto assets are secured through our Ledger Nanos. Headquartered in Paris and Vierzon, with offices in UK, US, Switzerland and Singapore, Ledger has a team of more than 500 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap, grow and manage crypto assets – including the Ledger hardware wallets line with more than 6 million units already sold in 200 countries. At Ledger, we embody the values that make us unique: Pragmatism, Audacity, Commitment, Trust and Transparency. Hear from our employees how they shape the work we do. You will join the Cloud Wallet team which is responsible for building and maintaining backend services to manage crypto wallets on the server side, used by our B2B and B2C products. Our team works closely with other backend teams, such as the Backend Blockchain team that builds blockchain indexers we rely on. The team is composed of passionate engineers who believe in the benefits and strength of functional programming to develop robust and scalable platforms and APIs, while also being eager to understand and implement product and business requirements. We use Scala extensively to build our backend services and tooling, but not only that: TypeScript is also an integral part of our tech stack.

Your mission

1. Build highly available, consistent, and well-functioning services to power Ledger's products
2. Leverage all the power of functional programming with Scala and the Typelevel stack
3. Dive into cryptocurrencies protocols internals
4. Conduct benchmarks to identify bottlenecks and optimize the overall performance of our services
5. Deliver high-quality software (Test it, Document it, Demonstrate it)
6. Design monitoring and alerting systems to detect unexpected failures/behavior
7. Use CI/CD to deploy and secure workflows

What we’re looking for:

• Demonstrable experience and knowledge of backend services programming
• An interest in working in a polyglot environment (Scala experience is not mandatory, but a real plus)
• Knowledge of relational databases and SQL (we use Postgres)
• Knowledge of Linux operating systems
• Adaptability to work within a team in an evolving environment: You are autonomous, proactive, and able to upskill in areas where necessary
• Experience with continuous integration/deployment solutions
• Knowledge of containerization and cloud deployments
• An interest in cryptocurrencies and blockchain technology is a plus
• Enthusiastic about teamwork, learning, and teaching (meet-ups, hackathons, training…)

What's in it for you?

• Equity: Employees are the foundation of our success, and we award stock options so you can share in that success as we grow
• Flexibility: A hybrid work policy
• Social: Frequent social events, snacks and drinks
• Medical: Comprehensive health insurance coverage including medical, dental, and vision
• Well-being: Personal development, coaching & fitness with our partners
• Vacation: Five weeks of paid leave per year, plus holidays and RTT days
• High tech: Access to high-performance office equipment and gadgets, including Apple products
• Transport: Ledger reimburses part of your preferred transportation
• Discounts: Employee discounts on our products

We are an equal opportunity employer, welcoming all regardless of gender, ethnicity, religion, sexual orientation, social status, disability, or age.