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Backend Software Engineer

Alchemy· *Engineering
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Hybrid (Bucharest)Full-timePosted 3mo ago

About the role

Backend-focused engineer working on high-throughput distributed systems for a blockchain platform. Responsible for architecting, building, and improving scalable backend infrastructure, APIs, and services, with ownership across their lifecycle.

Responsibilities

  • Design, build, and maintain backend infrastructure, APIs, and services at scale.
  • Own the architecture and implementation of distributed systems behind high-volume, low-latency APIs.
  • Solve hard scalability, latency, and performance problems in live production systems.
  • Lead system design discussions and shape the direction of our backend architecture.
  • Set the best practices for backend development—throughput, reliability, and latency.
  • Validate performance through automated testing, benchmarking, and production-driven improvements.
  • Trace production issues across services and the full stack, and ship fixes that durably improve reliability.

Qualifications

  • 5+ years of relevant industry experience.
  • BS/BA degree in Computer Science or equivalent practical experience.
  • Experience designing, building, scaling, and maintaining core backend components
  • Ability to solve complex design, scalability, latency, or performance problems in high-throughput, low-latency production systems.
  • Production experience with Java, Rust
  • Experience in cloud-native environments, particularly AWS.
  • Experience with managed Kubernetes platforms such as Amazon EKS is a plus.
  • Comfortable working across the stack, with a willingness to dive into infrastructure and platform challenges when the problem calls for it.
  • Experience building highly available and scalable distributed systems.
  • You're a self-starter who takes ownership, moves fast, and knows when to obsess over the details—and when it's time to ship.
  • Curiosity about emerging technologies and a desire to continuously learn and explore new ideas.
  • Web3 experience, a plus
  • Founded a company or built side projects, a plus
  • Experience in startups, a plus

Skills

Required:Backend system designDistributed systemsJavaRustAWS
Nice to have:Kubernetes

Benefits

  • Private Health Insurance
  • Gym Reimbursement
  • Flexible Time Off
  • In-Office Group Meals
  • Learning & Development Stipend
  • Company Sponsored Conferences & Events
  • Books & Audiobook subscription with Bookster
Last updated Oct 25, 2026. Interested? Apply on the company site.
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About Alchemy

Alchemy | Blockchain infrastructure for developers

Alchemy | The web3 development platform

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