Source Job

United States

  • Collaborate with a team to create and maintain Reddit's foundational compute platform.
  • Design and deliver software in Go and Python to improve availability, scalability, and efficiency.
  • Mentor backend developers and guide technical direction for compute infrastructure.

Go Python Kubernetes AWS

20 jobs similar to Principal Software Engineer, Infrastructure

Jobs ranked by similarity.

US

  • Partner with product, design, and data science to deliver reliable, low-latency technical solutions.
  • Own the full software lifecycle from design docs to rollout for major infrastructure initiatives.
  • Drive engineering best practices, mentor teammates, and leverage AI-integrated tools for efficiency.

Reddit is a community of communities built on shared interests and trust, hosting open and authentic conversations. With 100,000+ active communities and ~130 million daily active users, it is one of the internet's largest sources of information.

US Unlimited PTO 16w maternity 8w paternity

  • Build and improve the internal platform engineers use to develop, test, deploy, and operate ngrok.
  • Treat infrastructure like software by automating operational workflows, improving reliability, and scaling systems.
  • Contribute to builder tools, deployment systems, CI/CD infrastructure, and internal abstractions.

We are an all-in-one cloud networking platform that secures, transforms, and routes traffic to services running anywhere. Trusted by more than 9 million developers at companies like GitHub, Okta, HashiCorp, and Twilio, we have a serious-software, playful-culture team.

Canada Unlimited PTO

  • Maintain and scale a global cloud-based API management platform, focusing on automation, reliability, and performance.
  • Manage multi-region Kubernetes environments, optimize cloud infrastructure, and develop tools to improve operational efficiency.
  • Participate in incident response, on-call rotations, and post-incident reviews to ensure service continuity worldwide.

Our partner is building a global cloud-based API management platform. They operate a small, centralized SRE team within a globally distributed engineering environment, focusing on autonomy, trust, and continuous improvement.

$190,800–$267,100/yr
United States

  • Lead reliability engineering for user-facing systems across web, mobile, APIs, feeds, and real-time systems.
  • Architect for scale by partnering with product and infrastructure teams to improve availability, latency, and operational excellence.
  • Drive adoption of engineering standards and mentor engineers to raise the operational excellence bar across the organization.

Reddit is a community of communities built on shared interests, passion, and trust, hosting the most open and authentic conversations on the internet. With over 100,000 active communities and approximately 130 million daily active unique visitors, it is one of the largest sources of information online, fostering a culture of collaboration and innovation.

North America

  • Build and maintain software-defined, declarative infrastructure for compute at scale.
  • Improve the compute scheduler and resource-management systems, including placement, prioritization, and preemption.
  • Collaborate with networking, orchestration, and SRE teams on integration, design reviews, and on-call rotations.

ServiceNow provides an AI platform that connects any AI, data, and workflows to help enterprises work smarter. The company serves 85% of the Fortune 500 and fosters an AI-native culture built on innovation and trust.

$230,000–$322,000/yr
United States Unlimited PTO

  • Lead the Ranking Platform team to build robust, scalable, and performant ranking and indexing services.
  • Hire, onboard, and develop engineers while setting clear expectations and fostering technical excellence.
  • Partner with product managers and ML leaders to translate product needs into platform strategy and deliver from ideation to production.

Reddit is a community of communities built on shared interests and authentic conversations. With 100,000+ active communities and approximately 130 million daily active unique visitors, the company fosters an open and inclusive culture.

Argentina 18w maternity 12w paternity

  • Own and evolve the cloud platform including compute layer, EKS fleet, and serverless infrastructure across AWS and GCP.
  • Design and maintain infrastructure-as-code and networking layers to ensure reliability, security, and scalability.
  • Build AI-powered automation and observability tools to catch issues before customers notice.

Webflow is the agentic web marketing platform helping modern marketing teams build, manage, and optimize high-performing web experiences. Serving over 2 million users across 190 countries, the company values grit, speed, and craft.

$93,896–$110,467/yr
Canada

  • Design, automate, and improve the software delivery platform for scalability and reliability.
  • Build tooling and guardrails for AI agent workflows and scale cloud infrastructure.
  • Own end-to-end delivery of complex features and mentor engineers in best practices.

ThoughtExchange builds an AI-powered platform that helps leaders connect with communities and uncover actionable insights. The company fosters a remote-first culture with a collaborative team focused on innovation and inclusion.

US

  • Support infrastructure that development teams use to own and operate services at Mozilla.
  • Guide technical decision-making and create agentic workflows to improve developer productivity.
  • Build features for the Internal Developer Platform including CI/CD, Observability, Kubernetes, and cost optimization.

Mozilla Corporation is a non-profit-backed technology company that creates Firefox and works to reclaim an internet built for people. With over 225 million monthly users and thousands of volunteer contributors, it fosters a mission-driven, inclusive culture.

India

  • Design and build scalable cloud infrastructure spanning Kubernetes, distributed systems, and CI/CD pipelines.
  • Develop and deploy AI agents for infrastructure management with safeguards, observability, and reliability.
  • Provide staff-level technical leadership, mentoring engineers and driving architectural decisions.

The company builds enterprise AI applications and infrastructure, with a focus on AI-native engineering practices. It operates as a remote-first, globally distributed team spanning more than 15 countries, valuing technical excellence, inclusion, and continuous improvement.

Canada Unlimited PTO

  • Architect and evolve Affirm's EKS platform, driving strategy across cluster lifecycle and node management.
  • Lead technical direction for cluster provisioning and upgrades through standardized Infrastructure-as-Code and self-service workflows.
  • Partner with product, SRE, and capacity teams to shape the platform and mentor engineers.

Affirm provides a clear, predictable way to pay over time, with no hidden fees and no surprises. The company is remote-first and its engineering organization emphasizes technical design review, operational excellence, and mentorship at scale.

$81,000–$156,600/yr
Global

  • Architect core vCluster Platform features, diving deep into Kubernetes internals.
  • Write high-performance, resilient Go code for the platform and open-source projects.
  • Own features end-to-end from design to release, solving hard systems challenges.

We're the #1 platform for AI infrastructure, trusted by the world's fastest-growing AI cloud builders. We're a venture-backed startup of 40+ engineers, remote-first, powering 100K+ GPUs across 50+ AI clouds and Fortune 500 companies.

US 4w PTO 16w maternity 4w paternity

  • Manage cloud infrastructure using Infrastructure as Code and scale a Ruby on Rails stack.
  • Implement monitoring tools, debug production issues, and partner with feature teams to operate safely.
  • Plan for infrastructure growth, automate systems, and respond to reliability/security incidents.

Fleetio is a modern software platform that helps thousands of organizations worldwide manage their fleet operations. The company raised $450M in Series D in March 2025 and fosters a culture of product engineering with autonomous PODs.

$180,000–$250,000/yr
North America Unlimited PTO

  • Build tooling for performance analysis and observability so teams can make data-driven decisions.
  • Partner with product, infrastructure, and security teams to solve scaling and performance challenges across boundaries.
  • Identify systemic issues, anticipate scaling bottlenecks, and raise the technical bar through design reviews and mentorship.

Turnkey builds programmable guardrails for the autonomous economy, enabling organizations to operate with autonomy and control. Founded by the team behind Coinbase Custody, the company is a small, low-ego, high-agency team of cryptography, security, and systems experts.

$150,000–$200,000/yr
US

  • Design and build shared platform capabilities, owning architecture and delivery of reusable backend services and integrations.
  • Direct implementation by writing specifications and delegating to AI agents, stepping into code when complexity demands.
  • Engineer for reuse, compatibility, and testability, owning testing strategy and building reliability and observability into the platform.

ComPsych is the worldwide leader in organizational mental health, well-being, and absence management, dedicated to igniting human potential in workplaces across the globe. With over 40 years of experience, they serve more than 75,000 customers worldwide, touching over 160 million lives, and 40% of the Fortune 500 choose them for their mental health needs.

US East Coast 7w PTO

  • Build and maintain AWS infrastructure using Terraform and CloudFormation, deploying containerized workloads with Docker and Kubernetes.
  • Develop Go and Python microservices for data collection, processing, and querying, and design APIs for internal teams and customers.
  • Instrument services with Prometheus and Grafana for observability, participate in incident response, and implement controls for FedRAMP and CMMC compliance.

ExTrac is a decision intelligence company that fuses curated data sources, domain-specific AI, and human expertise to provide actionable foresight for governments and defense organizations. They are a fast-growing company with a small US engineering team and a UK-based team, emphasizing mission-driven work and cutting-edge technology.

Americas 4w PTO

  • Own Keycard's build and release systems, multi-tenant cloud, dedicated deployments, and customer cloud deployments.
  • Drive the BYOC product, from install and upgrade to compatibility and support, with release safety and reliability.
  • Set availability targets, build observability and runbooks, and use agents for repetitive operational work.

Keycard builds identity and access infrastructure for AI agents, providing verified identities and short-lived credentials. It's an early-stage, remote-first startup backed by a16z, Boldstart, and Acrew, with a founding team from Snyk, Auth0, HashiCorp, and Heroku.

Canada

  • Design and build a scalable, cloud-native data enrichment service with a focus on performance, reliability, and developer experience
  • Partner with senior engineers, technical leads, and product managers to drive architecture decisions and champion best practices
  • Mentor and empower the team, multiplying their skills and fostering a culture of continuous improvement and innovation

Magnet Forensics is a global leader in digital investigative software that acquires, analyzes, and shares evidence from computers, smartphones, tablets, and IoT devices. With employees based around the world, the company fosters a culture of learning, development, and integrity.

US Unlimited PTO 12w maternity 12w paternity

  • Lead the infrastructure organization spanning cloud infrastructure and developer tooling across ValonOS.
  • Set strategy for compute, storage, data platforms, CI/CD, observability, and engineering productivity.
  • Partner with engineering, product, security, and operations leaders to deliver reliable, scalable systems.

Valon builds an AI-native operating system for regulated finance, starting with mortgage servicing, and manages $110+ billion in loans. It's a Series C company backed by a16z with a high-agency engineering team.

$138,700–$203,900/yr
US

  • Architect and ship reliable, high-velocity features that handle critical traffic with low end-to-end latency.
  • Drive rigorous code reviews and maintainable patterns in our Go codebase, ensuring high testing standards.
  • Manage cloud configurations across AWS and Azure using Terraform and standardize observability across data pipelines.

Twilio is a cloud communications platform that delivers APIs for messaging, voice, video, and email, serving hundreds of thousands of businesses and millions of developers. Twilio is a remote-first company with a strong culture of connection, inclusion, and global impact.