Join to apply for the Senior Back-end Engineer (DeFi/AMM) - FR & EN - CDI role at Collective.work
Budget: 100-130k CHF (flexible)
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 a Senior Backend Developer to help design and operate the core systems powering their products.
You’ll work on high-availability, high-reliability components that serve as the foundation for our services in the Web3 and blockchain ecosystem.
What You’ll Do
* Design, implement, and maintain backend services with a strong focus on scalability, performance, and reliability.
* Work across the full lifecycle: architecture, development, testing, deployment, and monitoring of container-based applications.
* Collaborate closely with other engineers to define interfaces, APIs, and internal tools.
* Contribute to DevOps pipelines, CI/CD processes, and container orchestration setups.
* Help shape system design decisions that impact uptime, latency, and developer experience.
* Stay curious & explore new services, frameworks, and paradigms to improve our stack.
Languages Core
TypeScript or Rust
Cloud & DevOps
AWS (Including Docker & Lambda)
What We’re Looking For
* 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. Comfortable working horizontally across the stack; front-end experience is a plus.
* Strong technical foundation: Proven experience developing backend systems and deploying containerized services to production.
* Team Collaboration: Experience working in collaborative teams on large, complex codebases, emphasizing maintainability and scalability. Leadership experience is a big plus.
* Passion for Web3: Enthusiasm for decentralized finance and blockchain technologies, with a strong desire to innovate in the space.
* Strong Communication: Excellent French and English language skills, both written and verbal.
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 (Lundi, Mardi et Jeudi en physique / Mercredi et Vendredi en remote) designed to support focused productivity and effective collaboration with flexible hours.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Engineering and Information Technology
Industries
Software Development
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