Senior Back-End Engineer - TypeScript/Rust

Finders SA

Lausanne, Switzerland

9 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Shift work

Languages

English, French

Experience level

Senior

Job location

Lausanne, Switzerland

Tech stack

Clean Code Principles

API

Amazon Web Services (AWS)

Code Coverage

Software Quality

Code Review

Continuous Integration

DevOps

Github

Node.js

NoSQL

Performance Tuning

Redis

Blockchain

Prometheus

Systems Architecture

TypeScript

Tailwind

React

Grafana

Backend

Kubernetes

Solidity

GraphQL

Web3.js

Front End Software Development

Terraform

Data Pipelines

Docker

Microservices

Job description

Are you a backend engineer passionate about building performant, scalable systems and eager to explore cutting-edge technologies in the Web3 space? We're looking for a Senior Backend Developer to join a fast-growing DeFi project backed by a highly technical team and a strong crypto-native vision. Your Mission

Architect and implement high-reliability backend services (using TypeScript & Rust) that support core blockchain-enabled products.
Build APIs, data pipelines, and internal tooling to streamline platform scalability and performance.
Participate in the full development lifecycle""from system design to testing, deployment, monitoring, and maintenance.
Collaborate cross-functionally with engineering and product teams to ensure consistent, secure, and robust system behavior.
Contribute to CI/CD pipelines and DevOps automation.
Continuously improve code quality, performance benchmarks, and developer experience. Tech Environment
Core Stack: TypeScript (Node.js-based microservices), Rust (growing footprint)
Web3 / Smart Contracts: Solidity (EVM), Hardhat, multi-chain deployments (ETH, BSC, Arbitrum, etc.)
API / Data: GraphQL, Apollo, NoSQL, Redis
Infra & DevOps: AWS, Docker/Kubernetes, Terraform, GitHub Actions, CI/CD, monitoring with Prometheus & Grafana
Frontend: React, TailwindCSS
Culture: Clean code, code reviews, test coverage, end-to-end ownership, pragmatic use of new tech What You Bring

Requirements

Must-have: Strong experience in backend engineering with TypeScript in production environments.

Solid understanding of system architecture, microservices, containerized infrastructure and Web3 products.
Interest in Rust and motivation to upskill in a Web3/Rust-native ecosystem.
Familiarity with modern DevOps tools and CI/CD practices.
Excellent communication skills in both English and French.
Proven ability to thrive in fast-paced, iterative environments with a high degree of autonomy. Bonus Points
Prior exposure to DeFi or blockchain technologies.
Experience with protocol integrations or backend systems interacting with smart contracts.
Understanding of high-availability systems and performance optimization.