Senior Software Engineer

PeopleFinders•Sacramento, CA

3h•$115,000 - $130,000

About The Position

PeopleFinders is seeking a Senior Software Engineer to build and improve its people search products. The core platform runs on C#/.NET, with supporting projects in PHP/Laravel, Python, and Node.js. This is a hands-on role owning solutions from design through production, including application development, AWS infrastructure managed with Terraform, and AI-powered features.

Requirements

7+ years of software engineering experience, with strong C#/.NET and SQL Server expertise.
Experience building and supporting production APIs and web applications.
Experience with e-commerce and payment processing, including payment gateway integrations, checkout flows, recurring billing, and reliable handling of payment events and failures.
Hands-on experience with AWS and Terraform.
Experience shipping AI-powered features, including integrating LLMs with application data and workflows.
Experience using AI coding tools effectively while reviewing and validating their output.
Experience designing and building microservices, including asynchronous messaging with RabbitMQ, exchange and queue configuration, message routing, retries, dead-letter queues, and failure handling.
Hands-on experience with GitOps continuous delivery using Argo CD, including managing Kubernetes manifests or Helm charts, promoting releases across environments, and troubleshooting sync and rollback issues.
Comfort working across multiple languages and existing codebases.
Strong troubleshooting skills and ownership of production quality.
Clear communication and the ability to turn business needs into practical technical solutions.

Nice To Haves

Experience with high-traffic consumer websites, search platforms, or subscription products.
Familiarity with PHP/Laravel, Python, Node.js, Next.js, and CI/CD pipelines.
Experience working with large datasets, caching, and background processing.
Frontend development experience with React, Angular, or Vue.
Familiarity with technical SEO and answer engine optimization (AEO).
Experience using PageSpeed Insights and improving Core Web Vitals, page load speed, and overall frontend performance.

Responsibilities

Build and maintain applications, services, and APIs using C#/.NET.
Improve performance, reliability, and scalability across search and data platforms.
Develop AI-powered features and integrate AI models with products and internal systems.
Build and support checkout, payment processing, and subscription billing integrations.
Manage application infrastructure in AWS using Terraform, working with the SRE team.
Contribute to supporting projects in PHP/Laravel, Python, and Node.js as needed.
Own delivery from technical design through testing, deployment, and production support.
Review code, mentor engineers, and help improve engineering practices.