Cloud Architecture Lead — AWS & SaaS Expert

Cargurus; Boston (MA); Hybrid; USD 191,000 - 239,000; Full time

Benefits offered by this job

Equity for all employees

Flexible hybrid model

Daily free lunch

Car discount

Meditation and fitness apps

Commuting cost coverage

Job summary

CarGurus is hiring a Senior Principal Software Engineer to be the hands-on cloud architect within our Engineering Platform. You’ll shape services and data mapping on AWS, work with teams to solve hard architecture problems, and leave reusable patterns behind.

You will mentor engineers, collaborate with leadership, and help drive cost-efficient, secure, scalable cloud-native SaaS solutions across multiple teams and environments.

Qualifications

• 10+ years of software engineering experience with 5+ years on AWS production systems.
• Proficient in Java, Python, TypeScript, or Go.
• Fluent in infrastructure as code with Terraform.
• Deep AWS knowledge across networking, IAM, serverless, containers, and data stores.
• Security-minded with least-privilege IAM and OAuth/OIDC understanding.
• Ability to mentor engineers and lead through influence.

Responsibilities

• Own system architecture connecting to cloud architecture on AWS.
• Partner with Product Engineering to prototype and unblock architectures.
• Lead AWS relationship with solutions architects and roadmaps.
• Build PoCs and reference implementations in Terraform, Python, Java, etc.
• Advance AWS self-service, guardrails, and IAM/account strategies.
• Design cost-aware cloud architecture and governance.
• Lead SaaS maturity, disaster recovery, security, and performance initiatives.
• Guide workloads for agentic services with security collaboration.
• Document ADRs/RFCs and share decisions across teams.
• Mentor senior engineers and run cloud-native best-practice workshops.

Skills

AWS cloud engineering

Production systems on AWS

Software development (Java/Python/Type

Terraform (IaC)

Security & least-privilege IAM

Cost optimization

Mentoring & leadership

Tools

Terraform

AWS

EKS

API Gateway

Serverless (Lambda, Batch)

Job description

CarGurus is hiring a Senior Principal Software Engineer to be the hands-on cloud architect within our Engineering Platform. You’ll shape services and data mapping on AWS, work with teams to solve hard architecture problems, and leave reusable patterns behind.

You will mentor engineers, collaborate with leadership, and help drive cost-efficient, secure, scalable cloud-native SaaS solutions across multiple teams and environments.