Software Engineer

Posted 2 Days Ago
Sunnyvale, CA, USA
In-Office
Junior
Artificial Intelligence • Machine Learning • Software • Cybersecurity
The Role
Build scalable backend services and APIs (Python/Go) for enterprise AI deployments. Work on distributed systems, databases, cloud integrations, observability, and production reliability while collaborating with product and AI teams.
Summary Generated by Built In
About Realm Labs
Realm Labs is building the infrastructure that makes AI safe for enterprises. Our platform helps organizations securely deploy, monitor, and govern AI applications through real-time detection, policy enforcement, and security controls.
Our systems process billions of AI tokens across production workloads and solve challenging problems in distributed systems, inference infrastructure, security, and developer tooling.
We’re a small, engineering-driven team where every engineer owns meaningful pieces of the product and works directly with customers.

What You’ll Do
As a Software Engineer at Realm Labs, you’ll build production systems that power enterprise AI deployments. Your work will span backend services, distributed systems, infrastructure, and customer-facing features.
Responsibilities include:
  • Design and build scalable backend services in Python or Go.
  • Develop APIs and internal services used by enterprise customers.
  • Work with distributed systems, asynchronous processing, and message queues.
  • Design efficient database schemas and optimize query performance.
  • Build reliable integrations with cloud services and AI platforms.
  • Debug production issues and improve system reliability and observability.
  • Collaborate closely with product, infrastructure, and AI engineers to ship features quickly.
  • Participate in code reviews and help maintain a high engineering bar.

What We’re Looking For
Required
  • 2+ years of professional software engineering experience.
  • Strong programming skills in Python, Go, Java, C++, or a similar language.
  • Solid understanding of computer science fundamentals, including:
    • Data structures and algorithms
    • Operating systems
    • Concurrency and multithreading
  • Experience designing and consuming REST or gRPC APIs.
  • Experience working with relational databases such as PostgreSQL or MySQL.
  • Understanding of distributed systems concepts such as replication, consistency, caching, partitioning, queues, and fault tolerance.
  • Experience with cloud platforms (AWS, GCP, or Azure).
  • Strong debugging and problem-solving skills.
  • Excellent communication skills and ability to work in a fast-moving startup.

Nice to Have
  • Experience building distributed systems at scale.
  • Experience with Docker and Kubernetes.
  • Familiarity with Redis, RabbitMQ, Kafka, or similar technologies.
  • Experience with observability tools (OpenTelemetry, Prometheus, Grafana).
  • Experience with AI/LLM infrastructure.
  • Experience working in startups or shipping customer-facing products.

Technologies We Use
You don’t need experience with everything below, but you’ll likely work with many of them:
  • Python
  • Go
  • PostgreSQL
  • Redis
  • Docker & Kubernetes
  • AWS, GCP, Azure
  • FastAPI
  • Terraform
  • GitHub Actions
  • OpenTelemetry
  • LLM APIs and inference infrastructure

What We Value
We’re looking for engineers who:
  • Take ownership from idea to production.
  • Care about writing clean, maintainable code.
  • Think systematically about reliability and scalability.
  • Enjoy learning new technologies.
  • Move quickly without sacrificing quality.
  • Are excited about building products in the AI infrastructure and security space.

Why Join Realm Labs?
  • Build foundational infrastructure for the next generation of AI applications.
  • Solve challenging distributed systems and infrastructure problems.
  • Work directly with experienced engineers from companies like Google, Apple, Microsoft, and leading security organizations.
  • High ownership with significant impact from day one.
  • Competitive salary and meaningful equity.
  • Opportunity to help define the future of enterprise AI security.

Skills Required

  • 2+ years of professional software engineering experience
  • Strong programming skills in Python, Go, Java, C++, or a similar language
  • Solid understanding of data structures and algorithms
  • Solid understanding of operating systems
  • Solid understanding of concurrency and multithreading
  • Experience designing and consuming REST or gRPC APIs
  • Experience working with relational databases such as PostgreSQL or MySQL
  • Understanding of distributed systems concepts (replication, consistency, caching, partitioning, queues, fault tolerance)
  • Experience with cloud platforms (AWS, GCP, or Azure)
  • Strong debugging and problem-solving skills
  • Excellent communication skills and ability to work in a fast-moving startup
  • Experience building distributed systems at scale
  • Experience with Docker and Kubernetes
  • Familiarity with Redis, RabbitMQ, Kafka, or similar technologies
  • Experience with observability tools (OpenTelemetry, Prometheus, Grafana)
  • Experience with AI/LLM infrastructure and inference infrastructure
  • Experience working in startups or shipping customer-facing products
Am I A Good Fit?
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The Company
7 Employees
Year Founded: 2023

What We Do

Realm Labs is an AI security company focused on helping enterprises secure and monitor AI applications and data. It develops an AI-based authorization platform designed to prevent data leaks and enable secure generative AI usage with features like agent security and guardrails.

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