Posted on:September 25, 2025

Principal Backend Software Engineer at Alchemy

Alchemy is hiring a Principal Backend Software Engineer in Bucharest, Romania. Remote.

About Alchemy

Alchemy provides blockchain infrastructure and developer tools, including RPC APIs, data APIs, and other tools for building and scaling applications onchain across more than 100 blockchains. Its platform is aimed at developers and companies building blockchain-based financial applications, payments, DeFi, stablecoins, and similar products.

Principal Backend Software Engineer job description

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

Benefits & Perks


πŸ₯ Private Health Insurance

πŸ’ͺ Gym Reimbursement

πŸš… Commuter Benefits

🌴 Flexible Time Off

πŸ₯™ In-Office Group Meals

🧠 Learning & Development Stipend

🌎 Company Sponsored Conferences & Events

🎧 Books & Audiobook subscription with Bookster

Β 

Apply now

Applications go straight to Alchemy. We never sit between you and the employer.

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