Staff Software Engineer

CirrusLabs
St. Louis, Missouri, United StatesFull-timePosted Sep 14, 2026

About the role

Role Summary

We're looking for a Staff/Principal Software Engineer who thrives in ambiguity, builds from zero, and ships

fast. This is a hands-on IC role with significant architectural influence - you'll design the system and write the

code. You'll work at the intersection of edge computing, backend services, and AI/ML platforms, collaborating

closely with data science to build the foundation for trust-signal processing and machine learning inference

What We're Looking For

Must-Have

Area Expectation

Experience 10+ years building production distributed systems

Data platforms Experience building features for ML inference pipelines - data normalization, feature

stores, model serving integration

AI-assisted

development

Demonstrated proficiency with AI dev tools (GitHub Copilot, LLM-powered workflows,

agentic coding assistants) - this is a key differentiator for how this team operates

Greenfield builder Track record of taking systems from 0 to 1; comfortable with undefined requirements

and rapid iteration

Architecture Ability to own and communicate system design decisions across teams; translate

ambiguous product goals into technical plans

Area Expectation

Pace & ambiguity Thrives in startup-like environments - fast tempo, evolving scope, small team with

outsized ownership

Mix of These

Area Expectation

Backend Deep expertise in Java Spring Boot - API design, microservices, event-driven

architectures

Cloud Strong AWS experience (compute, storage, networking, IAM)

Edge/CDN Hands-on experience with edge computing and CDN execution environments (edge

workers, CDN functions, Lambda@Edge, or equivalent)

Languages Deep expertise in Java and/or the ability to work effectively in

JavaScript/TypeScript-based edge runtimes

Tech Stack

Backend services Java Spring Boot

Data science / engineering Python, Databricks

Cloud AWS (primary)

Edge Edge workers, CDN-layer compute

Languages Java, JavaScript/TypeScript, Python

AI/Data platform Databricks, ML model registry

Dev tooling GitHub Copilot, AI-assisted workflows

Responsibilities

  • Design the system and write the code
  • Collaborate closely with data science to build the foundation for trust-signal processing and machine learning inference
  • Own and communicate system design decisions across teams

Qualifications

  • 10+ years building production distributed systems
  • Experience building features for ML inference pipelines
  • Demonstrated proficiency with AI dev tools
  • Track record of taking systems from 0 to 1
  • Deep expertise in Java Spring Boot and AWS

Skills mentioned

System DesignJavaSpring BootMicroservicesEvent-Driven ArchitectureAWSPythonJavaScriptTypeScriptModel Serving

About CirrusLabs

At CirrusLabs, we're your strategic partners in catapulting your business into the digital future. From AI to Cloud Computing to Hyper Automation to Digital Strategy, we've got the 360-degree solutions you need. Get ready to innovate, scale, and lead in a fast-paced, data-driven world. Artificial Intelligence & Data Unlock the untapped power of data and AI! Dive into the realms of NLP, Predictive Machine Learning, and AI Operations. We integrate state-of-the-art technologies like XReality, Robotics, and Computer Vision, ensuring your data strategy is as comprehensive as it is innovative. Hyper Automation Experience next-level efficiency through Hyper Automation. Our services streamline testing, fortify your DevSecOps, and simplify API Hub management, all backed by cutting-edge Infrastructure as a Service (IaaS). Optimize, automate, and elevate like never before! Cloud Computing and Security Take your business to the next level with optimized Cloud Computing & Security solutions. Tailor-make your cloud strategy, boost application development, and make every cent of your cloud spend count. Security isn't an afterthought; it's an integral part of your cloud journey with us. Digital Strategy and Agile Product Management Revolutionize the way you do business! Our all-encompassing services fuse Visioning, Technology Strategy, and Policy to create a roadmap for your digital ascent. With a focus on training, launching, coaching, and scaling, we set the stage for product excellence and market dominance.

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