---
title: "Senior Software Engineer… at Collectors – Santa Ana, CA"
canonical: "https://www.metaintro.com/job/senior-software-engineer-grading-operations-at-collectors-145d9d14-a231-5152-b00e-cdc86f9a45a2"
language: "en"
author: "Metaintro"
---

[![Collectors logo](/api/favicon-proxy?url=https%3A%2F%2Fcollectors.com%2Ffavicon_collectors.ico)](/company/collectors)[Collectors](/company/collectors)
# Senior Software Engineer - Grading Operations at Collectors

**Location**
: Santa Ana, California

**Type**
: Full-time

**Level**
: senior

**Posted**
: Sep 4, 2026

## Description

Collectors is hiring a Senior Software Engineer, Grading Operations to build and operate the internal software powering its grading and authentication business. The role focuses on backend services, APIs, data models, event-driven pipelines, integrations, and frontend features, while also contributing to troubleshooting, on-call support, documentation, and engineering best practices. Candidates need at least five years of production software engineering experience, strong C# and.NET proficiency, experience with RESTful APIs, databases, cloud services, testing, CI/CD, and observability, along with frontend experience.

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