QA Engineer - Backend & Autonomous Fleet (Onsite CA)

Sigma Software; Foster City (CA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Health Care Plan (Medical, Dental &amp

Life Insurance (Basic, Voluntary & AD&

Paid Time Off (Vacation, Sick & Public

Training & Development

Retirement Plan (401k, IRA)

Free breakfast and lunch

Job summary

Sigma Software in Foster City, CA is seeking a Quality Assurance Engineer to ensure backend services for our autonomous fleet management are robust, secure, and highly reliable.

You will design test plans, validate APIs and services, and develop automated scripts to simulate multi-agent coordination, contributing to scalable and observable backend systems for rides, charging, cleaning, and fleet coordination.

Qualifications

• Bachelor's degree in engineering, math, or related field.
• 3+ years of quality assurance experience.
• Experience with Python and API testing.
• Ability to analyze backend logs and triage issues.
• Ability to lead root-cause analysis and process improvements.

Responsibilities

• Design and implement test plans and procedures for backend services including ride hailing, autonomous charging, cleaning, and fleet coordination applications.
• Validate and verify API, service, and data model functionality for rider apps, robots, and fleet tools; test vehicle agent bridging vehicle components to backend.
• Develop and execute automated test scripts simulating multi-agent coordination and optimization workflows for autonomous vehicles.
• Work with development teams to ensure backend systems are scalable, observable, and fault-tolerant.
• Lead independent activities such as triage, root cause analysis, release testing and process improvements.

Skills

Python scripting

API testing

Log analysis

Test plan design

Automation scripts

Education

Bachelor's degree in engineering, math, or related field

Tools

Kubernetes

Docker

Java

Kotlin

Job description

Sigma Software in Foster City, CA is seeking a Quality Assurance Engineer to ensure backend services for our autonomous fleet management are robust, secure, and highly reliable.

You will design test plans, validate APIs and services, and develop automated scripts to simulate multi-agent coordination, contributing to scalable and observable backend systems for rides, charging, cleaning, and fleet coordination.