Principal Engineer

What You'll Do

You are among the most senior technical leaders at Locus. You pair deep technical expertise with architectural leadership across multiple systems. Here's what that looks like day to day:

Own the architecture, design, and delivery of multiple large-scale distributed systems that form the backbone of Locus's products.

Lead by example - write high-quality code, review designs, and set technical standards for engineering excellence.

Mentor and coach engineers across levels through design reviews, code reviews, and architectural guidance, help them grow as strong technical contributors.

Collaborate across engineering, product, and data teams to identify and resolve complex technical dependencies and ensure cohesive system evolution.

Drive performance, scalability, and reliability improvements, set benchmarks for operational excellence.

Be hands-on and deeply curious, dive into system internals, investigate bottlenecks, and lead from the front when technical depth is required.

Stay current with emerging technologies and evaluate their potential for adoption in Locus's ecosystem.

Contribute to technical hiring,  identify and attract top-tier engineering talent.

Represent Locus in internal and external forums, sharing engineering best practices and technical innovations.

What You Bring

Must-Haves

10+ years of experience building and scaling products in fast-paced, high-growth environments.

Strong CS fundamentals, data structures, algorithms, and system design.

Proven track record of architecting and delivering distributed systems, microservices, and high-performance cloud-scale applications.

Deep expertise in Java, Spring/Spring Boot, and microservices architecture.

Solid understanding of concurrency, multithreading, and fault-tolerant system design.

Experience working in cloud environments (AWS/GCP) with modern CI/CD and observability tooling.

Passion for writing clean, maintainable code and conducting thorough code and design reviews.

Familiarity with modern AI-assisted development tools (e.g., Cursor or similar) to accelerate development workflows.

Prior experience in SaaS product development and startup environments is a strong plus.

Excellent communication and stakeholder management skills, able to align teams around a shared technical vision.

Self-starter who thrives on solving complex problems at scale. You don't wait for permission.