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Alchemy

Principal Software Engineer, Backend

Alchemy
Romania · Full-time · Mid-Senior

Our Mission

Our mission is to bring web3 to a billion people, by providing builders with the tools they need to build exceptional onchain products. Alchemy is the only complete developer platform that offers the powerful APIs, SDKs, and tools necessary to build and scale onchain apps and rollups.

Our infrastructure powers 70% of the top web3 teams, 90%+ of web2 companies building in web3 and 100+ million end users. Our customers include top web3 brands like Polymarket, OpenSea, Circle, WorldCoin, as well as major global brands like Shopify and Adobe.

The Alchemy team draws from decades of deep expertise in massively scalable infrastructure, AI, and blockchain from leadership roles at leading companies and universities like Google, Microsoft, Facebook, Stanford, and MIT.

We're backed by the world's leading VCs and institutions, including: Lightspeed, Silver Lake, a16z, Coatue, Pantera, Addition, Stanford University, Coinbase, and Charles Schwab, among others.

The Role

Infrastructure is our bread and butter at Alchemy. As an engineer focused on infrastructure and backend systems at Alchemy, you'll be working with one of the most sophisticated and high-throughput distributed systems in the blockchain world. You'll focus on architecting and building new systems as well as improving existing ones for a platform that supports millions of users globally.

What You'll Do

  • Define the vision for the backend infrastructure that supports our developer platform and APIs, and guide the team in executing against that vision
  • Design, build and maintain highly scalable and reliable infrastructure, APIs, and services
  • Contribute and lead system design discussions, stand-up meetings, and code reviews
  • Develop and own best practices for backend infrastructure with a focus on high throughput, high reliability, and low latency
  • Debug production issues across services and multiple levels of the stack
  • Collaborate with other engineers, technical leaders, product managers, and designers

What We're Looking For

  • 10 + years of relevant industry experience
  • BS/BA degree in Computer Science or equivalent
  • Experience designing, building, scaling, and maintaining core backend software components (experience with API platforms a plus)
  • Ability to solve complex design, scaling, latency, or performance problems in high-throughput, low-latency systems in production
  • Production experience with Java, Golang, or C++
  • Experience in Cloud Native environments, particularly in AWS
  • Experience with managed Kubernetes layers like AWS EKS a plus
  • Self-starter attitude and the ability to execute new ideas with autonomy
  • Know how to find the right balance between perfection and shipping quickly
  • Curiosity on the leading edge - plays with crypto, the latest in AI, and pushes to unpack black boxes

Key Skills

Ranked by relevance

blockchain ai cloud native kubernetes golang cloud java aws eks
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Posted
Sep 26, 2025
Type
Full-time
Level
Mid-Senior
Location
Bucharest
Company
Alchemy

Industries

Software Development

Categories

Engineering Information Technology

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