Alchemy is hiring a Principal Backend Software Engineer in Engineering — Bucharest. The overview below is synthesized from the employer posting on jobs.ashbyhq.com: factual requirements and scope are preserved, but prose is rewritten with editorial context. Verify details and apply via the employer link.
The Role
Day-to-day scope for the Principal Backend Software Engineer as described in the posting:
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.
What You'll Do
Day-to-day scope for the Principal Backend Software Engineer as described in the posting:
- 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
What the posting highlights about the offer:
🏥 Private Health Insurance
💪 Gym Reimbursement
🚅 Commuter Benefits
🌴 Flexible Time Off
🥙 In-Office Group Meals
🧠 Learning & Development Stipend
🌎 Company Sponsored Conferences & Events
🎧 Books & Audiobook subscription with Bookster
Build a standout application
For the Principal Backend Software Engineer at Alchemy, reviewers look for concise evidence over buzzwords. Mirror the language of the posting sparingly, quantify support or delivery outcomes, and show how you handled ambiguity, time-zone collaboration and user empathy. Keep your resume to impact, keep your cover note to one page, and link to artifacts — tickets resolved, docs shipped, dashboards owned — that prove you can operate in a fast-moving Web3 team. Prepare to discuss a time you turned a confusing user report into a clear fix and how you measure quality in support and operations.
Web3 hiring values reliability: on-time follow-through, clear writing, and a track record of improving runbooks and tooling. Treat the application as a work sample. For interviews, be ready to walk through how you prioritize across time zones, handle a difficult user, and decide when to escalate versus resolve directly. Show how you document decisions so the next teammate benefits.
In a distributed Web3 org, trust builds through written clarity. Use the cover note to demonstrate it.