263 IT & Software Developer jobs in France
Senior Software Architect, Blockchain & DeFi
80β―000 - 110β―000 β¬
Ledger
Rue du Temple, Paris
80β―000 - 110β―000 β¬
Requirements
Must:
- 10+ years of experience in technical design, development, execution, testing and delivery.
- Deep expertise/interest in backend system architecture, algorithm development, and optimization for high throughput, high reliability transactional services.
- Profound, hands on knowledge of how various blockchain technologies (e.g., Ethereum, EVMs, non EVMs) work under the hood, and a curiosity to investigate deeply complex, distributed systems.
- Ability to work effectively with internal teams to define scope, goals, project plans and deliverables.
- Team player with excellent interpersonal skills and ability to work cross functionally.
- Excellent presentation and written communication.
- Engineering degree.
- Expert knowledge of backend development and architecting scalable, secure web services (e.g., Node.js, Python, Scala).
- Experience with advanced software development practices and patterns for distributed, fault tolerant systems.
- Deep understanding of smart contract security, token standards (ERC 20, ERC 721, etc.), and the architecture of common DeFi primitives (DEXs, Lending Protocols, Yield Farming).
- Practical experience with blockchain node interaction (RPC, WebSockets) and building robust, high availability data indexing and transaction services.
- Strong knowledge of database technologies (SQL/NoSQL) and message queues for asynchronous data processing in backend systems.
- Open source experience or contributions, especially in the blockchain/crypto space.
- Expert knowledge of cryptography and security practices applied to transactional systems.
- Prior experience contributing to or integrating with major DeFi protocols.
Responsibilities
- Lead the technical scoping, design, and architecture for integrating new blockchain protocols and tokens into the Ledger ecosystem.
- Drive the research, understanding, and integration of complex Decentralized Finance (DeFi) protocols (e.g., DEXs, lending, staking) with Ledger services, ensuring security and scalability.
- Collaborate closely with engineering leads, product managers and delivery managers to ensure design on most important initiatives are properly done and of good quality.
- Partner with product teams to define, develop and implement development requirements for new product features.
- Help Engineering managers identify, tackle and prioritize most critical technical debt in our transactional services stack.
- Contribute hands on to the development activities of the squads being supported.
- Become a Ledger solution expert to thoroughly understand all use case scenarios, especially on areas identified in this job description.
- Be involved in our open source projects and foster our developer community by contributing and maintaining key Open Source software, and helping build our platform strategy.
- Help build visibility on the roadmap by contributing to gross estimates of implementation difficulty.
- Help contribute to Ledger visibility by presenting in conferences or in front of customers our technology know how.
Description
At Ledger, were a team of experts pushing the limits of whats possible, united by our common goal to unlock true freedom through digital ownership. We have over 20% of the worlds crypto assets secured through our devices, with our headquarters in Paris and offices around the globe. We offer flexible work options, health and wellness support, financial growth opportunities, a commuter allowance, and a comprehensive suite of training solutions. Were committed to building an inclusive hiring process and supporting our employees to make a true impact in the blockchain and crypto space.
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You can find Software Architect salaries in France here.
How many Software Architect jobs are in France?
Currently, there are 263 Architect openings. Check also: Cloud jobs, Security jobs, ElasticSearch jobs - all with salary brackets.
Is France a good place for Software Architects?
France is one of the best countries to work as a Software Architect. It has a vibrant startup community, growing tech hubs and, most important: lots of interesting jobs for people who work in tech.
Which companies are hiring for Software Architect jobs in France?
SAY TOUT COM, DO IT NOW, Studio Ikadia, MICHAEL PAGE, PAGE PERSONNEL, OpenClassrooms, Randstad Saint Denis among others, are currently hiring for Architect roles in France.
The company with most openings is MICHAEL PAGE as they are hiring for 49 different Software Architect jobs in France. They are probably quite committed to find good Software Architects.
The company with most openings is MICHAEL PAGE as they are hiring for 49 different Software Architect jobs in France. They are probably quite committed to find good Software Architects.