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Collective.work

Senior Blockchain Engineer (DeFi/AMM/EVM) - FR & EN

Collective.work
Switzerland · Full-time · Mid-Senior

Our client is pioneering into Crypto by providing DeFi solutions through a Decentralized exchange (DEX) and operating as an Automated Market Maker (AMM) in Switzerland.


We are seeking for a Senior Blockchain Engineer to help design and operate the core systems powering their products.


What You’ll Do


• Design, develop, and deploy smart contracts for our decentralized finance ecosystem.


• Manage the entire lifecycle of DeFi smart contracts from ideation and design to testing, deployment, and maintenance.


• Collaborate with other engineers and product teams to define and implement new blockchain-based features.


• Conduct thorough unit and fuzzy testing to ensure robust and secure smart contracts.


• Contribute to the improvement of our blockchain infrastructure and development processes.


• Stay up to date with the latest blockchain, DeFi, and smart contract technologies.


What We’re Looking For


Passion for DeFi & Blockchain: Enthusiasm for decentralized finance and blockchain technologies, with a strong desire to innovate in the space.


Agile mindset: Thrives in a fast-moving startup environment where objectives evolve rapidly, and agility is critical. Capable of making informed decisions and progressing with partial information. Ability to work autonomously and collaboratively.


Strong technical background: Several years of hands-on experience in cryptocurrencies and blockchain development. Solid software development background with proficiency in several languages and proven technical expertise in developing, testing, and deploying secure


Solidity smart contracts. Overall understanding of DeFi protocols.


Team Collaboration: Experience working in collaborative teams on large, complex codebases, emphasizing maintainability and scalability. Leadership experience is a big plus.


Strong Communication: Excellent English language skills, both written and verbal.


Proficiency in spoken French would be a valuable asset.


Why Join Us?


Collaborate with Top Talent: Work alongside a team of highly passionate and qualified professionals dedicated to pushing the boundaries of blockchain technology.


Competitive Compensation: Attractive salary and benefits package commensurate with your expertise.


Hybrid Work Arrangement: Benefit from a structured hybrid schedule with two days of remote work per week, designed to support focused productivity and effective collaboration with flexible hours.

Key Skills

Ranked by relevance

blockchain blockchain development technical expertise
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Posted
Nov 28, 2025
Type
Full-time
Level
Mid-Senior
Location
Montreux

Industries

Software Development

Categories

Information Technology

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