Senior software engineering and consulting for US companies. We architect scalable backend systems, pricing engines, and data pipelines that drive measurable business outcomes.
Omu Systems is a US-based software consulting firm founded by Jacob Parrott, a senior software engineer with over five years of experience building revenue-critical backend systems at scale.
Previously at Engine (formerly Hotel Engine) and FIS, Jacob has architected pricing engines, microservices, and data pipelines that have generated over $30M in measurable revenue impact.
Based in Japan with full US work eligibility, Omu Systems operates on an async-first model with 3–4 hours of daily overlap with US business hours for standups, pair programming, and strategic discussions. Your team gets deep, focused engineering work delivered daily—plus real-time collaboration when it matters.
American citizen operating a US-registered LLC. No visa complications, no compliance headaches.
Deep, uninterrupted engineering while your team sleeps. Thorough written communication and documentation.
No junior handoffs. Every line of code, architecture decision, and review comes from senior-level expertise.
End-to-end backend engineering for complex business problems. From system design to production observability.
Decompose monoliths into well-bounded services. gRPC contracts, domain modeling, and architecture that scales with your business.
Production-grade APIs and services in TypeScript, Node.js, Python, Golang, and Rust. Built for reliability, tested for confidence.
Revenue-critical pricing systems, dynamic margin optimization, and strategy frameworks that drive measurable financial outcomes.
Automated data workflows, event-driven architectures, and streaming pipelines. AWS Glue, SNS/SQS, and custom orchestration.
DataDog, Sentry, and custom alerting. Correctness frameworks, automated anomaly detection, and dashboards that surface real issues.
Terraform, Docker, Kubernetes, Argo CD, and CI/CD pipelines. Infrastructure as code for repeatable, auditable deployments.
Omu Systems operates async-first from Japan, giving your team an extended development cycle. Deep engineering work happens during focused hours, with 3–4 hours of real-time overlap daily for collaboration.
Focused, uninterrupted engineering during Japan daytime. Complex architecture, implementation, code review, and thorough pull request documentation delivered by the time your team logs on.
3–4 hours of daily overlap with US business hours for standups, pair programming, design discussions, and sprint ceremonies. Real-time collaboration when it counts.
Detailed written updates, Loom walkthroughs, and comprehensive PR descriptions. Your team picks up exactly where things left off—no context loss, no blocking.
Example schedule with US Pacific Time (PT)
Real outcomes from production systems at scale. Every number represents shipped code in production.
These results come from building pricing systems, microservices, and data pipelines at Engine (Hotel Engine) and FIS — organizations operating at scale in travel and financial services.
Battle-tested technologies chosen for the right problems. No hype-driven decisions.
Whether you need to augment your backend team, architect a new system from scratch, or untangle a complex pricing problem — let's start with a conversation.