Senior Backend Engineer at HappyRobot

Happyrobot builds AI agents to automate phone calls in the logistics industry.

From simple check calls with truck drivers, to contract price negotiations between enterprises, our AI agents are able to provide and gather information more efficiently than other alternatives.

We believe that voice will become a much more prevalent interface for digital systems, and we're building the tools to make that possible.

**About Happyrobot

**HappyRobot is a platform to build and deploy **AI workers that automate communication.

**Our AI workers connect to any system or data source to handle phone calls, email, messages…

We target the logistics industry which relies heavily on communication to book, check on, & pay for freight. Primarily working with freight brokers, 3PLs, freight forwarders, shippers, warehouses, & other supply chain enterprises and tech startups.

We raised a Series A round from a16z and YC and we’re growing very fast.

We're looking for rockstars with a relentless drive, unstoppable energy, and a true passion for building something great—ready to embrace the challenge, push limits, and thrive in a fast-paced, high-intensity environment.

About The Role

• You’ll keep thousands of concurrent AI agents talking on the phone with minimal latency.

• You’ll auto-scale AI deployments efficiently.

• You’ll architect a fault-tolerant multi-region infrastructure.

• You’ll help automate testing procedures.

• You like AI. You really like AI. Responsibilities

• Design, build, and maintain scalable, reliable, and secure infrastructure.

• Write code to automate operational tasks, build internal tools and improve system resilience.

• Troubleshoot and optimize system performance, latency, and availability.

• Collaborate with development teams to implement best practices for reliability and observability.

• Manage incidents, post-mortems, and continuous improvements in production environments. Must Have

• Strong coding skills with Go.

• Deep understanding of backend systems, APIs, and databases.

• Kubernetes experience.

• Passion for AI-driven technologies

• Founder Mindset: Hard work + independence + Ownership Why join us?

• Opportunity to work at a high-growth AI startup, backed by top investors.

• Fast Growth - Backed by a16z and YC, on track for double-digit ARR.

• Ownership & Autonomy - Take full ownership of projects and ship fast.

• Top-Tier Compensation - Competitive salary + equity in a high-growth startup.

• Comprehensive Benefits - Healthcare, dental, vision coverage.

• Work With the Best - Join a world-class team of engineers and builders. JavaScript, TypeScript, Node.js, Kubernetes, Rust, Python, PyTorch, LLM training & finetuning.