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angelo_g0407

Angelo L

@angelo_g0407

Senior Software Engineer

Philippines
English, Javanese, Arabic
About me
I am a Senior Software Engineer with 8+ years of experience delivering large-scale web platforms and distributed backend systems across SaaS, enterprise analytics, and machine learning infrastructure. I specialize in Node.js (NestJS), Go, Python, Typescript and modern React-based frontend architectures.... Read more

Skills

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angelo_g0407
Angelo L
Offline • 
Average response time: 1 hour

See my services

Full Stack Web Applications
I will build high performance distributed systems on AWS
From$150 / projectMore details

Portfolio

Work experience

Software Engineer (Backend & Platform)

Gatekeeper • Full-time

Jun 2021 - Jul 2023 • 2 yrs 1 mo

Enterprise Vendor & Contract Lifecycle Management Platform • Delivered backend services supporting Gatekeeper’s enterprise procurement and contract management platform, utilized by 1,000+ organizations worldwide managing millions of contract records. • Produced high-performance API services with Python, Go, and PostgreSQL, powering secure multi-tenant infrastructure for vendor and procurement workflows. • Refactored database query pipelines and indexing strategies, reducing API response latency by 45% across high-traffic vendor management endpoints. • Introduced asynchronous job processing using Redis queues and background workers, increasing contract automation throughput by 60% during large procurement batch operations. • Integrated enterprise platforms including Salesforce, identity providers, and procurement tools through scalable REST APIs and webhook pipelines. • Delivered frontend features using React and TypeScript, including vendor dashboards and contract analytics interfaces used by procurement teams for real-time reporting. • Strengthened engineering reliability by implementing automated CI/CD pipelines with GitHub Actions, decreasing release failures by 30% and accelerating production deployments.