Staff Backend Engineer

Quo’s teams power key systems that help thousands of businesses communicate better.

As a Staff Backend Engineer, you will own the technical strategy for how we design, build, and operate features across the product.

You’ll partner closely with leaders across engineering, product, and security to translate ambitious product ideas into scalable, dependable systems.

Your architectural choices will shape key customer experiences and you’ll be trusted to balance cutting-edge innovation with rock-solid reliability.

Some of the things you’ll do: Design and own the long-term architecture for key systems - such as billing services or communication services.

Lead cross-functional delivery of features from proof of concept to production rollout, partnering with others in engineering, product, design, and CX.

Establish and drive continuous cost, performance, reliability, and security improvements for our systems.

Mentor engineers through design reviews, code reviews, and technical coaching, raising the bar for excellence across teams.

Stay current on advances in AI and other emerging technologies with best practices, translating insights into actionable roadmap proposals.

Tech Stack & Tools: Our backend is built on Node using Typescript.

Our AI Infrastructure uses temporal.io, vector DBs, libraries like Langchain and top-tier llm models.

We use Kubernetes on AWS to orchestrate our infrastructure setup and deployment.

The overall architecture is event-driven microservices with RabbitMQ at the center of it.

We use a variety of databases for different purposes: Postgres, Mongo, Elastic, and Redis.

We have the following clients - Web (React), Android and iOS.

Observability Tools: Datadog Other Tools: Figma, Linear, Notion, and Slack About you Proven success leading architecture for business-critical services, balancing innovation with operational pragmatism.

Expertise in event-driven and streaming architectures; you can reason about concurrency, ordering, and back-pressure under load.

Track record of driving cost optimization, observability, and incident response.

Excellent written and verbal communicator who aligns diverse stakeholders and produces clear, thorough design docs.

Collaborative leader who mentors others, fosters psychological safety, and elevates the entire engineering organization.

Comfortable with ambiguity, you break down complex problems, make informed trade-offs, and deliver iterative value quickly.