Senior Software Engineer, Infrastructure Engineering

9d•$190,000 - $267,000

About The Position

Reddit’s Infrastructure Engineering team builds the reliable, scalable, and automated foundation that supports the company’s products and engineering organization. The team’s work spans compute, deployments, storage, messaging, identity, core systems, and infrastructure security. This centralized role hires across several teams, including Messaging, Compute, Build & Deployment, Consumer IAM, Core Systems & Libraries, and Security. The engineer partners with Product Management, Product Design, Data Science, and client engineers to turn business and user needs into reliable, low-latency technical solutions. They own major initiatives across the software lifecycle, from technical design and API contracts through implementation, testing, rollout, and observability. The role also involves building and maintaining scalable APIs and distributed backend services, using metrics and experimentation to guide decisions, and improving engineering practices and developer workflows. The engineer helps shape projects, develops architecture around authentication, authorization, and identity, mentors other technical contributors, and collaborates across Reddit Engineering.

Requirements

At least 5 years of experience building internet-scale software, preferably focused on machine learning storage infrastructure.
Software development experience in one or more general-purpose programming languages, such as Golang, Python, C++, or Java.
Experience with cloud infrastructure such as Kubernetes, CI/CD, AWS, or GCP.
Hands-on experience implementing features, optimizations, and bug fixes in distributed messaging systems.
Excellent communication skills for collaborating with stakeholders in engineering, data science, machine learning, and product.
Degree in Computer Science or an equivalent technical field.

Responsibilities

Partner with Product Management, Product Design, Data Science, and client engineers to translate business and user needs into reliable, low-latency technical solutions.
Own major product initiatives end to end, including technical design documents, API contracts, development, testing, rollout, and observability.
Design, build, and evaluate A/B experiments and use data to make engineering decisions.
Build and maintain scalable APIs and distributed backend services optimized for client consumption and consumer UI performance.
Establish engineering best practices, improve developer workflows, and use modern AI-integrated tools to ship high-quality products efficiently.
Work with the team to select, scope, and drive high-leverage projects aligned with Reddit’s goals.
Execute on strategy and develop more performant, scalable, and higher-quality architecture around authentication, authorization, and identity.
Mentor, coach, and collaborate with other technical contributors.
Collaborate with cross-functional teams across Reddit Engineering.
Continue developing technical and non-technical abilities.

Benefits

Comprehensive healthcare benefits and income replacement programs.
401(k) with employer match.
Global benefit programs covering workspace, professional development, and caregiving support.
Family planning support.
Gender-affirming care.
Mental health and coaching benefits.
Flexible vacation and paid volunteer time off.
Generous paid parental leave.
Medical, dental, and vision insurance for U.S.-based employees.
Equity in the form of restricted stock units; depending on the position offered, it may also be eligible for commission.