# Senior Backend Engineer
**Company:** [Raylu](https://hotfix.jobs/companies/raylu)
**Location:** New York, NY
**Salary:** $165K-$250K
**Skills:** TypeScript, Node.js, Go, Temporal, Redis, Distributed Systems, Llm Integrations, Cloud Environments, Observability
**Posted:** 2025-10-27
> Senior Backend Engineer architects and operates scalable, low-latency backend services using Node/TypeScript, Temporal, and Redis. Requires expertise in distributed systems, durable workflows, cloud reliability, with bonus for Go and LLM experience.
## Job Description
## 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.

## Requirements
- TS-first backend: Expert in Node/TypeScript services; bonus for production Go.
- Systems & scale: Deep grasp of memory management, distributed systems, durable execution, and edge functions.
- Queues & state: Hands-on with Temporal (or equivalent durable workflows) and Redis at scale.
- Cloud & reliability: Comfortable shipping/operating in modern cloud environments with strong observability habits.
- LLM-aware: Familiarity with LLM integrations and their operational quirks is a plus.
- Product sense: Make pragmatic tradeoffs, communicate risk clearly, and choose designs that unblock the roadmap.
- Opinionated: Deep understanding of the technological landscape, making high-level system and granular code design decisions.

## Nice to Have
- Prior work with agentic/LLM workflows.

## Compensation
- Base salary: $165,000 – $250,000 per year.
- Equity: $100K-200K equivalent (4-year vest).
- Benefits: Generous health, dental, vision insurance; 401k with 3% automatic contribution; paid lunches; wellness and Citi Bike benefit.
**Apply:** https://hotfix.jobs/jobs/senior-backend-engineer-at-raylu-7b5fbe09-8352-4a74-ab72-24aa8aaee4c3
**Canonical:** https://hotfix.jobs/jobs/senior-backend-engineer-at-raylu-7b5fbe09-8352-4a74-ab72-24aa8aaee4c3