Principal Software Engineer (Web3)

Location: Bucharest, Romania; hybrid

Company

Building a developer platform and APIs supported by high-throughput distributed infrastructure for the blockchain ecosystem.

What you will do

• Define the vision for backend infrastructure supporting the developer platform and APIs.
• Design, build, and maintain scalable and reliable infrastructure, APIs, and services.
• Lead and contribute to system design discussions, stand-ups, and code reviews.
• Establish backend infrastructure best practices focused on throughput, reliability, and latency.
• Debug production issues across services and multiple levels of the stack.
• Collaborate with engineers, technical leaders, product managers, and designers.

Requirements

• 10+ years of relevant industry experience.
• BS/BA degree in Computer Science or equivalent experience.
• Experience designing, building, scaling, and maintaining core backend software components.
• Ability to solve complex design, scaling, latency, and performance problems in high-throughput, low-latency production systems.
• Production experience with Java, Golang, or C++.
• Experience with cloud-native environments, particularly AWS.

Nice to have

• Experience with API platforms.
• Experience with managed Kubernetes layers such as AWS EKS.
• Curiosity about crypto and emerging AI technologies.

Culture & Benefits

• Private health insurance.
• Gym reimbursement and commuter benefits.
• Flexible time off and in-office group meals.
• Learning and development stipend.
• Company-sponsored conferences and events.
• Books and audiobook subscription.