Staff Software Engineer - Backend (f/m)

TN United Kingdom; London; Hybrid; GBP 50,000 - 90,000; Full time

Job summary

An established industry player is seeking a Staff Software Engineer specializing in backend development to join their dynamic Cloud Wallet team. This role involves building and maintaining backend services for crypto wallets, utilizing Scala and TypeScript in a collaborative environment. The ideal candidate will have a strong background in backend programming, relational databases, and a passion for blockchain technology. Enjoy a flexible hybrid work policy, comprehensive health coverage, and opportunities for personal development while contributing to the future of digital assets.

Benefits

Equity: Stock options for employees

Hybrid work policy

Frequent social events

Comprehensive health insurance

Personal development and coaching

28 days of paid leave

Access to high-performance office equipment

Transport reimbursement

Employee discounts on products

Qualifications

• Demonstrable experience in backend services programming.
• Knowledge of relational databases and SQL, particularly Postgres.

Responsibilities

• Build highly available services to power Ledger's products.
• Conduct benchmarks to optimize the performance of services.

Skills

Backend Services Programming

Relational Databases and SQL

Linux Operating Systems

Continuous Integration/Deployment

Containerization and Cloud Deployments

Interest in Cryptocurrencies

Job description

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Staff Software Engineer - Backend (f/m), London

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Client:

Ledger

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

dc9cd50ef7b0

Job Views:

3

Posted:

02.05.2025

Expiry Date:

16.06.2025

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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 millions 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 in charge of building and maintaining backend services to manage crypto wallets on server side, used by our B2B and B2C products. Our team is working closely with our 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

Build highly available, consistent, and well-functioning services to power Ledger's products

Leverage all the power of functional programming with Scala and the Typelevel stack

Dive into cryptocurrencies protocols internals

Conduct benchmarks to identify bottlenecks and optimize the overall performance of our services

Deliver a high-quality piece of software (Test it, Document it, Demonstrate it)

Design monitoring and alerting systems to detect unexpected failures/behavior

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 certain areas yourself where necessary

Experience with continuous integration/deployment solutions

Knowledge of containerization and cloud deployments

An interest in cryptocurrencies and wishing to work with blockchain technology is a real 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 in our Holborn office

Medical : Comprehensive health insurance policy offering extensive medical, dental and vision care coverage

Well-being : Personal development, coaching & fitness with our dedicated partners

Vacation : 28 days of paid leave per year, in addition to national holidays

High tech: Access to high performance office equipment and gadgets, including Apple products

Transport : Ledger reimburses part of your preferred means of transportation

Discounts : Employee discount on all our products.

We are an equal opportunity employer for all without any distinction of gender, ethnicity, religion, sexual orientation, social status, disability or age.