Senior Backend Engineer
Raylu AI•New York City, NY
•Onsite
About The Position
We’re hiring a Senior Backend Engineer to be the scaling expert behind our core systems. You’ll drive architectural decisions that balance “what must work today” with “what must scale tomorrow,” owning systems that are low-latency, resilient, and cost-aware.
Requirements
- Expert in Node/Typescript services
- Deep grasp of memory management, distributed systems, durable execution, and edge functions.
- Hands-on with Temporal (or equivalent durable workflows) and Redis at scale.
- Comfortable shipping/operating in modern cloud environments with strong observability habits.
- Make pragmatic tradeoffs, communicate risk clearly, and choose designs that unblock the roadmap.
- Deep level of understanding of the technological landscape, making both high level system and granular code design decisions based on understanding rather than preference - diving deep on unknown patterns in order to build the best product.
Nice To Haves
- Production Go
- Familiarity with LLM integrations and their operational quirks
- Prior work with agentic/LLM workflows
Responsibilities
- Architect, build, and operate backend services that are fast, fault-tolerant, and easy to evolve.
- Define service boundaries, data models, and contracts that keep teams moving independently.
- Establish performance baselines and SLOs; design for durability and graceful degradation.
- Lead technical design reviews and mentor engineers across code quality, testing, and ops.
- Own critical systems: queue orchestration (Temporal), caching (Redis), and infra automation.
Benefits
- Generous health, dental, and vision insurance
- 401k with 3% automatic contribution (no vesting)
- Paid Lunches
- Wellness and Citi Bike benefit
- Unlimited PTO
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
