Backend Engineer
Web3 InsightsBarcelona, Catalonia, Spain
Posted November 5, 2025
Full Time
About the Company
Web3 Insights is a specialized talent acquisition firm dedicated to the decentralized technology sector, offering fixedâfee hiring packages and strategic talent advisory for founders and growth teams. Leveraging over six years of blockchain expertise and its Web3 Insights Podcast, the company provides employer branding through media, transparent pricing, and embedded support across hiring, onboarding, and retention. Its proprietary DevRadar Discord platform grants access to a vetted developer community that traditional agencies cannot reach, covering roles from Solidity and Rust engineers to product managers, designers, and compliance specialists. By combining costâeffective, dataâdriven recruitment with media exposure and strategic partnership, Web3 Insights accelerates growth for DeFi, Layerâ1, ZK, DAO, and consumer Web3 companies.
Job Description
Web3 Insights is proud to represent a well-funded fast-growing company redefining how developers build secure, seamless, and scalable wallet infrastructure.
Requirements
- Design, implement, and operate scalable, resilient backend services handling millions of API requests per month.
- Author highâperformance microservices in Go and TypeScript, ensuring clean, maintainable code and robust test coverage.
- Architect messaging workflows using RabbitMQ (or similar), optimizing for throughput, latency, and fault tolerance.
- Manage and evolve our cloud infrastructure on GCP - VMs, Kubernetes clusters, CI/CD pipelines, networking, and monitoring.
- Drive technical decisions: from database schema design to distributed cache strategies and sharding approaches.
Benefits
- Generous pay & developer-first culture
- High-ownership engineering team
- Learning and growth mindset
