Brandon

@branabreo

Backend Engineer, Nodejs, Scalable APIs, Data Engineering, System Architecture

India
Hindi, Marathi
About me
Hi, I’m Brandon, a Senior Software Engineer with 5+ years of experience building scalable web applications, APIs, SaaS platforms, and backend systems. I specialize in Node.js, TypeScript, NestJS, React, Next.js, MongoDB, PostgreSQL, and MySQL. I also build AI-powered applications, LLM integrations, RAG systems, and intelligent chatbots. I focus on clean, reliable, production-ready solutions that solve real business problems—from idea and architecture to development and deployment.... Read more

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branabreo
Brandon
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See my services

Full Stack Web Applications
I will build scalable nodejs backend apis using expressjs and nestjs
From$40 / projectMore details

Portfolio

Work experience

Vernost_Tech Ventures Pvt. Ltd.

Senior Software Engineer

Vernost Tech Ventures Pvt. Ltd. • Full-time

Feb 2020 - Aug 2026 • 6 yrs 6 mos

As a Senior Software Engineer at Vernost Tech Ventures, I lead backend architecture and development for enterprise-scale hotel mapping, metadata management, and pricing aggregation platforms serving airlines, banks, and online travel agencies (OTAs). Key responsibilities and achievements: • Led backend architecture for a global hotel metadata platform managing over 8 million hotel and property records worldwide. • Designed and developed scalable Node.js data ingestion and normalization pipelines integrating multiple external supplier APIs, processing approximately 10,000 new records and more than 50,000 updates weekly. • Implemented intelligent supplier selection, data quality scoring, and compliance-aware reconciliation to maintain data accuracy and client-specific supplier requirements. • Optimized Apache Solr geographic search using polygon vertex quantization and bounding-box prefiltering, achieving up to 1.5x baseline query performance in custom Node.js benchmarks. • Implemented Redis-based caching with expiring city-level keys, reducing hotel search response times from approximately 600ms to under 10ms for cache hits. • Designed and maintained ETL workflows using Apache Airflow to synchronize data across regional databases and search infrastructure. • Developed backend services and APIs supporting large-scale hotel metadata retrieval, supplier integrations, and enterprise search workflows. • Collaborated with cross-functional teams to improve system performance, data quality, scalability, and operational reliability. • Mentored junior developers, conducted technical interviews (L1/L2), and contributed to engineering decisions and code quality standards. Technology Stack: Node.js, Express.js, MySQL, MongoDB, Apache Solr, Redis, Apache Airflow, Docker. Areas of Expertise: Backend Architecture, Data Engineering, ETL Pipelines, Search Optimization, API Development, Distributed Data Processing, Performance Optimization, Technical Leadership.