Staff Front-end Engineer

Status
Montpellier, France
Full time
Hybrid
Compensation is not specified
Role
Frontend Engineer
Description

We are dedicated to providing accessibility and security for digital assets globally, and we invite you to join us in our mission. Established in 2014, Ledger is a leading platform for digital assets and Web3, with over 20% of the world's crypto assets secured through our Ledger Nanos. Headquartered in Paris and Vierzon, with additional offices in the UK, US, Switzerland, and Singapore, Ledger boasts a team of more than 900 professionals committed to developing products and services that empower individuals and businesses to securely engage with crypto assets. Our Ledger hardware wallets lineup has seen immense success, with over 6 million units sold in 200 countries.

At Ledger, our values of Pragmatism, Audacity, Commitment, Trust, and Transparency are at the core of everything we do. Our employees embody these values to drive our work forward.

Ledger has developed "Ledger Live," an application designed to manage all blockchain-backed assets. The application is powered by React.js (Electron on Desktop and React Native on Mobile) and supports multiple blockchains, coins, NFTs, and integrates with DApps, while offering an SDK for third-party integration. With Ledger Live, users can manage their assets securely with the backing of our hardware wallets. The application is the result of collaboration among multiple teams, each focusing on specific areas of software development.

To support our continuous growth, we are seeking a Senior Front-End Engineer to join the Wallet Experience business unit. In the Live Hub squad, you will lead the development and maintenance of portfolio and account management UI flows.

Your responsibilities include:

  • Overseeing desktop and mobile development of Ledger Live Applications from a technical perspective.
  • Working collaboratively with developers, QA, designers, and product teams within Ledger Live.
  • Providing technical solutions, showcasing initiative.
  • Developing features using best practices, from unit to end-to-end testing.
  • Participating in code reviews to ensure quality.
  • Ensuring the quality of Ledger's UI/UX framework.
  • Mentoring team members and fostering technical growth.
  • Contributing to Open Source projects within our monorepo.
  • Sharing knowledge within the Ledger team and the larger community.

We seek individuals with:

  • Minimum 5 years of experience in software development.
  • A positive attitude and curiosity to collaborate effectively.
  • Proficiency in JavaScript and TypeScript.
  • Strong experience in React.js development and related tools.
  • Knowledge of testing strategies and UI/UX practices in software development.

Preferred qualifications:

  • Experience with React Native and/or Electron.
  • Familiarity with Web3 topics and technical stacks.
  • Experience in managing shared component libraries.

Benefits:

  • Stock options for all employees.
  • Flexibility with a hybrid work policy.
  • Regular social events and company outings.
  • Comprehensive health insurance coverage.
  • Personal development, coaching, and fitness programs.
  • Generous paid leave and holidays.
  • High-quality office equipment and technology access.
  • Transportation reimbursement.
  • Employee discounts on company products.

We are an equal opportunity employer that values diversity and inclusion.

Skills Required
Avatar
Ledger
Company size
Not specified
Location
United States
Description
Not specified
Status

More Full-time Jobs

Show more

Junior / Middle Metaverse Developer (Unity / Web3 / VR)

Manzhouli, China
Manzhouli, China
Full time
Remote
We are looking for a Metaverse Developer to help build interactive virtual environments and immersive digital experiences. The role involves developing 3D worlds, integrating Web3 technologies, and working with modern tools for real-time applications.
You will work with Unity, WebGL, and blockchain technologies to create engaging metaverse features and optimize them for performance across different devices. The developer will collaborate with designers and backend engineers to deliver scalable and stable products.
Requirements include experience with Unity and C#, understanding of 3D development, Web3 or blockchain basics, and familiarity with Git and API integration. Experience with VR/AR, NFTs, or multiplayer systems is a plus.
We offer remote work, flexible hours, crypto payments, and the opportunity to build innovative metaverse products.
Payment in Crypto
1,500-3,500
Monthly
See details

Junior/Mid Decentralized Infrastructure Engineer

Full time
Remote
Role:
Help build and scale decentralized infrastructure: contribute to compute networks, protocols, storage layers, and orchestration tools that power AI agents and open digital systems. You’ll write code, run tests, fix bugs, and ship real features fast.
Skills & Requirements: 
1–3 years in blockchain infra, distributed systems, or high-scale compute (or strong personal projects) 
Solid Python / Rust / Go skills 
Interest in libp2p, IPFS, GPU orchestration, or decentralized compute 
Quick learner who ships clean code and loves performance/cost challenges
Salary:
$110,000 – $165,000 USD base + meaningful equity (portfolio startup) + full benefits + Sirex carry
Description:
Sirex.vc doesn’t just invest — we plug strong builders straight into our portfolio companies.
This is your chance to work on the real infrastructure behind autonomous agents and the open digital economy. Full support from the Sirex team, fast growth, zero bureaucracy.
High risk. Zero apologies.
Payment in Crypto
9,167-13,750
Monthly
See details

Senior Decentralized Infrastructure Engineer

Full time
Remote
Role:
Build and scale production-grade decentralized infrastructure: compute networks, protocols, storage layers, orchestration for AI workloads, and open-source primitives that power the next generation of agent systems.Skills & 
Requirements: 
4+ years in blockchain infra, distributed systems or high-scale compute 
Deep experience with Rust / Go / C++ and protocols (libp2p, IPFS, custom consensus, GPU orchestration) 
Bonus: self-hosted AI compute, decentralized training or edge inference 
Ship fast, own uptime, love extreme performance and cost efficiency
Salary:
$175,000 – $255,000 USD base + big equity (portfolio startup) + full benefits + Sirex carry
Description:
Sirex.vc doesn’t just invest — we plug elite builders straight into our fastest portfolio companies.
This is your chance to build the actual rails for autonomous agents and open digital economy at scale. Zero bureaucracy, maximum leverage.
High risk. Zero apologies.
Payment in Crypto
14,583-21,250
Monthly
See details

Web3 Fullstack Developer

Part time
Remote
🌐 About Us
Neonflick is a tech organization specializing in Web3 development.
We believe Web3 solutions are not as popular as they could be — mainly due to complexity. Our mission is to simplify the user experience and make decentralized technology more accessible and easy to use for everyone.
🚀 About the Role
We are looking for a Web3 Fullstack Developer who is passionate about decentralized technologies and excited to contribute to building meaningful Web3 products. You will work on developing new products, improving existing ones, and fixing bugs, all while proposing innovative ideas to enhance our platform.
🔹 Responsibilities
Develop functional and user-friendly Web3 products
Improve and optimize existing products and features
Identify and fix bugs or issues in the system
Propose and implement new ideas for product development
Collaborate with the team to ensure high-quality software delivery
🔹 Requirements
Strong interest in Web3 / blockchain / decentralized technologies
Fullstack development experience (frontend + backend)
Experience with smart contracts and decentralized frameworks is a plus
Problem-solving skills and attention to detail
Ability to work independently and proactively
🔹 What You Get
Early-stage involvement in a Web3 tech organization
Influence over product development and feature design
Opportunity to build experience and a portfolio in the Web3 space
Potential long-term collaboration and future compensation as the project grows
A chance to contribute to making Web3 simpler and more accessible
⚠️ Important
This is an unpaid position. We are looking for someone motivated by vision, learning, and long-term impact rather than immediate salary.
If you are passionate about Web3 and building meaningful decentralized products, we’d love to hear from you.

AI Agent Engineer

Full time
Remote
Role:
Join one of our high-conviction AI-native portfolio companies and build autonomous AI agents from the ground up. You’ll design agent architectures, implement tool-calling & memory systems, connect them to browsers/shell/APIs, run long-horizon tasks, and ship features that make the product feel alive and truly useful.
Skills & Requirements: 
2–5 years building LLM-powered agents (LangGraph, CrewAI, ReAct, custom frameworks) 
Strong Python skills + experience with tool calling, RAG, vector stores and evaluation 
Bonus: familiarity with browser automation, self-hosted models or decentralized compute 
Fast executor who loves shipping in ambiguity 
Passion for agents that actually do real work (not just chat)
Salary: $160,000 – $230,000 USD base + meaningful equity (in the portfolio company) + full benefits + carry from Sirex network
Description:
Sirex.vc doesn’t only write checks — we actively help our portfolio companies recruit the best people on the planet. This AI Agent Engineer role is inside one of our fastest-moving startups building the next generation of autonomous agents. You’ll get direct support, intros, and operational help from the Sirex team while working on frontier technology that can change how the world uses AI.
High risk. Zero apologies.
Payment in Crypto
13,333-19,167
Monthly
See details