Software Engineer

About Realm LabsRealm 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 DoAs 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

• 2+ years of professional software engineering experience.
• Bachelors of Science in Computer Science or equivalent degrees.
• 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 UseYou 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 ValueWe’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.