Principal Software Engineer, Infrastructure

Role Overview

• Lead the design, implementation, and continuous improvement of critical systems powering the ServiceTitan platform.
• Drive enhancements in security, availability, reliability, and performance, and contribute to key architectural and strategic decisions, particularly those related to scale.
• Actively contribute to research, development, support, and cross-company initiatives, designing solutions that address both current and future business needs and infrastructure plans.
• Partner closely with Product Engineering teams to plan and execute seamless product releases.
• Work with Engineering leadership to build and scale infrastructure and shared services that support platform and application requirements.
• Define and embed non-functional requirements (NFRs) throughout the product lifecycle, influencing designs, standards, and best practices for highly scalable, distributed systems.
• Build strong relationships with company leadership to ensure effective adoption and alignment of technology strategies.
• Oversee performance, scalability, and availability across key data systems including Azure SQL, PostgreSQL, MySQL, Cosmos DB, MongoDB, Redis, and Kafka.
• Drive improvements in query performance, system optimization, capacity planning, high availability/disaster recovery (HA/DR), and replication strategies.
• Mentor and guide engineers across the organization, fostering technical excellence and a strong engineering culture.
• Maintain a strong hands-on approach with approximately 60% focus on development and 40% on strategy, operations, and cross-functional initiatives.
• Partner closely with Recruiting to help build high-performing teams—participating in candidate interviews and co-owning activities related to talent pipeline development.

Requirements

• 15+ years of industry experience, including with large scale enterprise web/SaaS applications, SRE, or infrastructure roles.
• B.S., M.S. or PhD in Computer Science, Physics, Engineering or a related technical field.
• Expert-level knowledge of: Microsoft .NET ecosystem, including C#, .NET, ASP.NET MVC, and Web APIs
• Relational database systems (Microsoft SQL Server, Azure SQL, PostgreSQL, MySQL) with strong performance and scalability expertise
• Observability and performance engineering, including metrics, logging, and distributed tracing
• Cloud-native architectures and platforms, with deep hands-on experience in Azure (preferred) and familiarity with AWS
• Kubernetes, serverless computing (Functions), and distributed systems design
• Distributed messaging and data platforms such as Kafka, Event Hubs, SQS, and modern data lakehouse architectures (e.g., Snowflake, Databricks Delta)
• NoSQL technologies including Cosmos DB, MongoDB, and Redis
• API gateways and large-scale service orchestration
• Infrastructure automation and provisioning at scale using scripting and cloud-native tools
• CI/CD pipelines, reliability practices, and version control systems (e.g., Git)
• Troubleshooting and optimizing distributed web applications in production environments
• Programming expertise in one or more languages such as C#, PowerShell, Java (additional languages a plus)
• Familiarity with OpenTelemetry and modern observability standards
• Exposure to AI/ML-driven monitoring or root cause analysis systems (is a plus).

Tech Stack

• ASP.NET
• AWS
• Azure
• Cloud
• Distributed Systems
• Java
• Kafka
• Kubernetes
• MongoDB
• MS SQL Server
• MySQL
• NoSQL
• Postgres
• Redis
• SQL
• .NET

Benefits

• Flextime, recognition, and support for autonomous work: Flexible time off with ample learning and development opportunities.
• Comprehensive onboarding program, leadership training for Titans at all levels, and other programs and events.
• Great work is rewarded through Bonusly, peer-nominated awards, and more.
• Holistic health and wellness benefits: Company-paid medical, dental, and vision (with 100% employer paid options and 90% coverage for dependents), FSA and HSA, 401k match, and telehealth options including memberships to One Medical.
• Support for Titans at all stages of life: Parental leave and support, up to $20k in fertility services (i.e. IUI and IVF), surrogacy, and adoption reimbursement, on demand maternity support through Maven Maternity, free breast milk shipping through Maven Milk, pet insurance, legal advisory services, financial planning tools, and more.