Senior Backend Engineer: Cloud & API (Remote)

NHanced Semiconductors, Inc.; United States; Remote; USD 140,000 - 210,000; Full time

Job summary

Quantum Computing Inc. (QCi) is seeking a Senior Cloud API Developer to maintain and expand our cloud APIs and microservices that orchestrate optimization jobs and connect to photonic hardware.

You will work in a hybrid environment, developing services that run on cloud as well as on resource-constrained on-premise hardware stacks. This role focuses on distributed systems, asynchronous messaging, and strict API security.

Qualifications

• 4+ years of professional backend software engineering experience.
• Expert proficiency in Golang and Python for production services.
• Strong background in message queuing systems (RabbitMQ, Kafka, or NATS) and event-driven architecture patterns.
• Proven track record of implementing API security best practices, including OAuth2, JWT, and protection against OWASP Top 10 vulnerabilities.
• Experience designing scalable database schemas (SQL, NoSQL) and managing databases with indexing and TTL.

Responsibilities

• Design, build, and maintain high-performance RESTful APIs using Golang and Python to support a broad ecosystem.
• Architect asynchronous, event-driven workflows using RabbitMQ (or similar message brokers) to decouple job scheduling, hardware execution, and result processing.
• Optimize service-to-service communication to ensure low latency and high reliability across a distributed stack.
• Monitor system health and implement distributed tracing to debug complex microservice interactions.
• Implement industry-standard security best practices for API authentication and authorization (OAuth2, OIDC, mTLS).
• Work within existing deployment and testing patterns to add new services to CI/CD.

Skills

Golang

Python

Kubernetes

RabbitMQ

Microservices

REST APIs

gRPC

OAuth2

Docker

PostgreSQL

Linux

Git

CI/CD

MongoDB

FastAPI

Tools

Kubernetes

RabbitMQ

Kafka

NATS

gRPC

Protocol Buffers

PostgreSQL

MongoDB

Docker

FastAPI

Job description

Quantum Computing Inc. (QCi) is seeking a Senior Cloud API Developer to maintain and expand our cloud APIs and microservices that orchestrate optimization jobs and connect to photonic hardware.

You will work in a hybrid environment, developing services that run on cloud as well as on resource-constrained on-premise hardware stacks. This role focuses on distributed systems, asynchronous messaging, and strict API security.