Senior Smart Contract Engineer (Solidity)


Senior Smart Contract Engineer (Solidity)

  • Plný úvazek 
  • Počáteční datum:
  • Plat od 80K € do 110K €
  • 14, Avenue Trudaine, Paris, Paris, 75009
  • Možnost pracovat plně z domova
  • Vzdělání: Magisterský stupeň vzdělání
  • zkušenosti: > 6 měsíců




  • FinTech/InsurTech, SaaS / Cloud Services, Blockchain
  • Od 15 do 50 zaměstnanců


Senior Smart Contract Engineer (Solidity)

  • Plný úvazek 
  • Počáteční datum:
  • Plat od 80K € do 110K €
  • 14, Avenue Trudaine, Paris, Paris, 75009

  • Možnost pracovat plně z domova
  • Vzdělání: Magisterský stupeň vzdělání
  • zkušenosti: > 6 měsíců

Tato pozice byla obsazena!

Qui sont-ils ?

Kiln rend l’infrastructure blockchain simple pour les investisseurs et les développeurs, en accélérant la décentralisation du web.

La start-up gère plus de 8,500 validateurs avec $400M d’actifs sous gestion. Kiln déploie ses validateurs sur 3 clouds différents partout dans le monde.

La plateforme SaaS de Kiln supporte les projets Web3 les plus importants comme Ethereum, Solana, Polkadot, Cosmos, Tezos et bien d’autres, en composant avec des problématiques d’infrastructure, de sécurité et de software au quotidien.

L’équipe est composée de passionnés de l’écosystème anciennement employés chez Google, Circle, Ledger, Chainalysis, Polygon et d’autres.

Si votre objectif est de rendre le web plus sécurisé, stable, décentralisé et juste, rejoignez Kiln.

Kiln est en effet toujours à la recherche de personnes passionnées partageant ses valeurs et son enthousiasme pour le Web3.

Envie d’en savoir plus sur Kiln ?Culture d'entreprise, offres d'emplois... C’est parti pour l’immersion !
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Descriptif du poste

The Protocol Engineering team at Kiln is responsible for executing our roadmap: build and expand our crypto-native products, making them accessible to our customers, and working with adjacent teams to make them a success in the market. This role includes to:

  • Work with the Engineering and Product teams to execute technical projects with large impact for our customers

    * Integrate smart contracts with backend teams (format, possibilities to automate)
    * Work with the frontend team (integrate tokens, smart contract data, chain state and events)
    * Prepare for smart contracts audits (Halborn, spearbit)
  • Develop and build new core smart contracts

    * Specification definition (define diagrams and specs shared with clients)
    * Develop with unit-testing, fuzz testing and invariant testing
    * Deploy on TestNet
    * Set-up protocol governance (open zeppelin defender)
    * Manual testing (end-to-end) implying dev teams
  • Brainstorm with other protocol developers on tools, issue resolution…

Who are we?

Kiln is the leading enterprise-grade staking platform, enabling institutional customers to stake assets, and to whitelabel staking functionality into their offering. Our platform is API-first and enables fully automated validator, rewards, data and commission management.

Kiln serving thousands of businesses worldwide so that everyone can securely and seamlessly stake their coins and secure decentralized protocols from our dashboard, a hardware wallet, a browser wallet, a B2B custodian, a crypto exchange or just their favorite investment app.

The team is made of ecosystem enthusiasts formerly at Google, Circle, Ledger, Chainalysis, Polygon and other leading technology and cryptocurrency companies.

Join Kiln and help us make the web more secure, stable, decentralized and fair.

What we offer

  • A fast-paced, no bureaucracy work environment
  • Equity Share Options in the business: if Kiln succeeds, we all succeed!
  • Competitive Salary
  • Unlimited holiday
  • Choice of IT equipments
  • Flexible/remote working
  • Significant personal development and wellness budget

Profil recherché

Don’t censor yourself: get in touch even if you’re not matching 100% of these points.

Skills & background

Skills & background

  • Experience building and releasing secure and production-grade contracts in Solidity
  • Strong understanding of the EVM (Ethereum Virtual Machine) and Web3 primitives
  • Previous professional experience in crypto / blockchain
  • English C1 mandatory
  • Understanding of MEV

A little bonus for :

  • Use of Foundry or HardHat
  • First fast growing startup experience
  • Go or Typescript experience
  • French Speaker

Soft skills

  • Team spirit: discuss, do not try to impose. We try to hire humble people.
  • Trust & clear communication
  • Rigor & organization
  • Curiosity and ability to dig into a topic and follow through
  • Genuine interest about the blockchain and cryptocurrency space

Our stack

  • Solidity for smart contract development
  • Golang with a bit of Javascript and Typescript for software development
  • Communication between services is done using HTTP Rest and most of our databases are backed by PostgreSQL
  • Everything runs in EKS (Elastic Kubernetes Service) on AWS

Déroulement des entretiens

  • Recruiter Phone screen (35 min) with Myriam
  • Product & Cultural fit (45min) with Thomas (co-founder and COO)
  • Take-home case study
  • Technical interview (1h)
  • Meet our Smart Contract experts
  • Meeting with co-founder (30 min) Laszlo
  • Offer


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