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Senior Blockchain Engineer; Solidity - FR

Remote / Online - Candidates ideally in
1820, Montreux, Canton de Vaud, Switzerland
Listing for: Collective
Remote/Work from Home position
Listed on 2026-01-02
Job specializations:
  • IT/Tech
    Blockchain / Web3
Salary/Wage Range or Industry Benchmark: 80000 - 100000 CHF Yearly CHF 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Senior Blockchain Engineer (Solidity) - FR & EN

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.
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Position Requirements
10+ Years work experience
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