Backend Engineer, Ledger

Blockchain Application

Salary not provided

+ Stock Options

Python
GraphQL
Scala
C++
Flask
FastAPI
Senior level
Paris

2-5 days a week in office

Ledger

Platform for digital assets and Web3

Job no longer available

Ledger

Platform for digital assets and Web3

501-1000 employees

B2CB2BCryptocurrencySaaSCyber SecurityBlockchainWeb 3.0

Job no longer available

Salary not provided

+ Stock Options

Python
GraphQL
Scala
C++
Flask
FastAPI
Senior level
Paris

2-5 days a week in office

501-1000 employees

B2CB2BCryptocurrencySaaSCyber SecurityBlockchainWeb 3.0

Company mission

To secure the new disruptive class of crypto assets.

Role

Who you are

  • 5+ years of experience in Backend / Software Engineering role, preferably in a product-based startup environment
  • 3+ years of experience in Python as the primary language (Flask, FastAPI)
  • Capable of self-training on backend languages like Scala / C++ / NodeJS
  • Familiarity with software development best practices - version-control, code-reviews, testing, CI/CD
  • Work in an agile environment (Scrum/XP/Kanban)
  • Work in a multicultural environment - English is a MUST

Desirable

  • You have a sound knowledge of RESTful API design, standards and best practices
  • You have an interest in other API frameworks (e.g. GraphQL), and dabble in message based systems
  • You are keen to step outside your area of expertise, and contribute to all parts of a product
  • You have an interest in cryptocurrencies, and blockchain technology
  • You are active in the open-source community, speak at conferences, attend meetups, write blogs, contribute code, etc

What the job involves

  • Ledger is looking for a Backend Engineer. You will be responsible for developing and scaling a backend application to allow big financial institutions to process their transactions in the cryptocurrency world
  • Design and develop our governance and orchestration layer; and a set of complex APIs
  • Communicate with cryptographic modules (HSM), and blockchain interfaces
  • Integrate new cryptocurrencies on Vault
  • Work closely with the Product team to define and understand end-user requirements, and translate them into pragmatic technical solutions
  • Work in cross-team environment: You will be in direct contact with Vault’s Frontend and QA engineers, but also with cross-functional teams such as Core, Firmware, Infrastructure, and Operations
  • Participate in firefighting sessions, and interface with stakeholders like Technical Account Managers

Otta's take

Sam Franklin headshot

Sam Franklin

CEO of Otta

Ledger has grown into one of the world’s largest hardware wallets for digital assets since its 2014 inception, with well over 6 millions of devices sold across the globe. By offering physical devices to store private keys, customers are able to secure their digital assets offline.

The company is attempting to support the continued growth of the crypto eco-system by offering cryptocurrency owners an alternative to storing their assets on an online exchange. There, a simple password breach could cause untold damage.

Ledger’s hardware solution has proven popular with investors, seeing them receive huge funding from 10T Holdings, Cathay Innovation, and Draper Associates to name just a few.

Keen to move on and ensure against any recurrence, Ledger has since secured even more investment, and formed astute partnerships with other big names in the Crypto world, including an integration with Coinbase.

Insights

Top investors

Some candidates hear
back within 2 weeks

1% employee growth in 12 months

Company

Funding (last 2 of 7 rounds)

Mar 2023

$109m

SERIES C

Jun 2021

$380m

SERIES C

Total funding: $583.3m

Company benefits

  • Competitive compensation package
  • Personal development initiatives
  • Flexible working hours, remote-friendly environment
  • 5 weeks of paid vacation + 10 days of RTT
  • High performance office equipment
  • Comprehensive health insurance policy
  • Meal vouchers with Swile
  • Reimbursement for sports and cultural activities
  • Annual company outings and regular socials
  • Employee discount on Ledger products

Company values

  • Pragmatism
  • Audacity
  • Trust
  • Transparency
  • Engagement

Company HQ

Mail, Paris, France

Founders

Pascal Gauthier

(Chairman & CEO, not founder)

Before becoming CEO at Ledger, they worked as Venture Partner in Mosaic Ventures, a London based venture capital firm focusing on Series A stage companies. They are also the non-executive chairman of Kaiko, a financial data website on Bitcoin.

Nicolas Bacca

(Co-Founder & VP Innovation Lab)

Former R&D Solution Architect at embedded digital security company Oberthur. Founder & CEO of both Ubinity and BTChip, which preluded Ledger. They are the Metaverse Finder for Le Centre.

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