Stack Developer Node Js

Storme Kapuya

Senior Full Stack Developer AI Specialist

**/* ******** ** ******, Australia · +61 (0-466-***-*** · ****************@*****.*** Senior Full Stack Developer & AI Specialist with 11+ years of experience building scalable web applications and AI solutions for enterprise organizations. Expert in React.js, Angular, Java, Python, Node.js, and .NET, with proven ability to deliver high-performance web platforms processing 500K+ API calls/hour. Skilled in cloud technologies (AWS, Azure), DevOps practices (Docker, Kubernetes, CI/CD), and AI technologies (LLM fine-tuning, BERT, RAG). Consistently delivers solutions that improve user engagement by 50%, reduce deployment time by 70%, and enhance application performance by 22% through modern web development and intelligent automation. Work Experience

Senior Full Stack Developer & AI Specialist Jan 2023 - May 2025 Gong.io USA Remote

Developed advanced conversation intelligence dashboards using React.js, Next.js, TypeScript, and Node.js (Express.js) with real-time analytics and data visualization, increasing user insight extraction efficiency by 50%.

Deployed scalable LLM fine-tuning pipelines leveraging Python, RAG architecture, and spacy NLP, enabling a conversational AI chatbot with contextual understanding that enhanced user engagement and boosted sales conversion by 19%.

Architected high-performance backends with Java, and PHP (Laravel) using clean architecture, seamlessly integrated with React.js and Angular frontends, reducing average transaction processing time by 20%.

Engineered ETL pipelines powered by Apache Kafka and Airflow to normalize JSON data from MongoDB, enriching it with vector embeddings via Hugging Face Sentence Transformers for semantic search capabilities.

Implemented comprehensive automated testing and deployment pipelines for all services via AWS (Lambda, S3, EC2), Docker containerization, and Terraform IaC, reducing release cycle time by 65%.

Created intelligent AI coaching module leveraging BERT NLP and advanced prompt engineering techniques with conversation analysis and personalized feedback, increasing sales rep productivity by 24% and reducing ramp-up time by 33%.

Senior Software Engineer Aug 2019 - Jan 2023

Okta Inc USA Remote

Architected scalable identity microservices with Node.js (Nest.js) and PostgreSQL, implementing JWT authentication and Redis caching, supporting 5000K+ API calls/hour with 99.95% SLA.

Developed high-performance API-driven solutions powered by .NET Core and Python, integrating SQL Server and PostgreSQL with connection pooling, reducing API response times by 40%.

Maintained and enhanced PHP-based internal access tool with role-based permissions and audit logging for security compliance, decreasing security review turnaround by 30%.

Enhanced intelligent natural language search platform for commercial contact queries leveraging Next.js, Python, and LLama model with semantic understanding and real-time query processing capabilities.

Designed comprehensive responsive internal dashboard using React.js, Angular, and TypeScript frontend with Node.js backend, implementing real-time data visualization and streamlining workflows to improve team efficiency by 35%.

Orchestrated enterprise Docker & Kubernetes deployments with automated scaling and rolling updates across AWS

& Azure, ensuring 99.9% uptime and reducing deployment cycles by 30%. Software Engineer Feb 2016 - Aug 2019

Bloomberg L.P. Singapore

Developed enterprise-grade real-time financial dashboards with React.js, Redux state management, and Next.js SSR, implementing live data feeds and interactive charts, enhancing trader decision-making with 22% increased speed.

Optimized high-performance backend trading algorithms via Node.js and MongoDB, implementing connection pooling and async processing, processing 10M+ records/day with 99.99% reliability and sub-millisecond latency.

Created comprehensive internal tools with ASP.NET for automated portfolio risk alerts and real-time monitoring, implementing alert notifications and data validation, reducing manual data reconciliation time by 45%.

Migrated legacy monolithic services to a microservices architecture leveraging Flask and PostgreSQL, enhancing system modularity and reducing deployment downtime by 30%.

Enhanced the financial trading backend by orchestrating Node.js and Python microservices, enabling processing of 10M+ records daily and boosting system reliability by 40%.

Improved Bloomberg Terminal web UI with Angular, implementing responsive design and performance optimization, enhancing system responsiveness and increasing daily user satisfaction scores by 15%.

Deployed enterprise cloud-native CI/CD pipeline on ASW(Lambda, RDS, EC2) with Docker containerization and Terraform infrastructure-as-code, implementing automated testing and deployment orchestration, cutting deployment time by 70%.

Junior Developer Data Analyst July 2014 - Feb 2016 InfoWave Singpore

Created predictive analytics dashboards for healthcare data via React.js, Django, and PostgreSQL, enhancing patient reporting accuracy by 28%.

Engineered a responsive dashboard with Angular, improving data visualization and increasing user interaction by 20% for healthcare clients.

Developed RESTful APIs for utility clients in Node.js with MongoDB, powering real-time data tracking and cutting latency by 35%.

Created 5 cross-device responsive web pages leveraging HTML5, CSS Grid, Flexbox, and vanilla JavaScript, achieving sub-3 second load times, 20% faster performance, and enhanced SEO visibility across desktop, tablet, and mobile platforms.

Engineered enterprise-grade RESTful APIs in Node.js supporting 3 utility clients with 1, 500+ API calls/hour and sub- 200ms latency for real-time data tracking.

Configured comprehensive unit testing with Jest, implementing automated test suites with 70% code coverage, 95% pass rates, and integrated CI/CD validation that reduced production bugs by 40% and enhanced overall software quality.

Education & Certifications

Bachelor’s Degree in Computer Science

Nanyang Technological University Graduated July 2014

Oracle Certified Professional, Java SE Developer 2018

React Developer Certification (Meta) October 2020

PCPA – Certified Associate in Python Programming 2022

AWS Certified Solutions Architect – Professional 2024 Key Projects

Real-Time Financial Data Platform (Bloomberg)

Built enterprise-grade dashboards with React.js and Next.js SSR, enabling live data feeds and interactive charts that improved trader decision-making speed by 22%.

Identity Microservices & Zero Trust Infrastructure (Okta) Designed scalable microservices and zero-trust architecture using Nest.js, PostgreSQL, Redis, and Kubernetes, enabling secure access for Fortune 500 clients with 99.95% uptime.

LLM-Powered Sales Coaching & Anomaly Detection (Gong) Architected and deployed AI-driven systems using BERT, RAG, and Prompt Engineering to detect login anomalies and generate dynamic sales coaching, boosting productivity by 24% and reducing onboarding time by 33%. Technical Skills

Languages: JavaScript, Java, Python, PHP, Ruby, C#, TypeScript, HTML, CSS SQL

Frameworks & Libraries: Node.js(Express.js, Nest.js), Spring (Boot), Django, Flask, Ruby on Rails, ASP.NET Core, React.js

(Redux, Hooks), Next.js, Angular, Vue.js, Nuxt.js

Databases & Data Processing: PostgreSQL, MySQL, MongoDB, Redis, Apache Kafka

Cloud/DevOps: AWS Lambda, S3, EC2, RDS, GCP, Kubernetes, Docker, Terraform, Azure, Git

Architecture & Methodologies: Microservices, Event-Driven, API-first design, Agile, Scrum, Kanban, Test-driven developement(TDD)

AI/ML: LLM fine-tuning, RAG, spaCy, BERT, Prompt Engineering, Evaluation frameworks

Other: RESTful APIs, eCommerce(WordPress, Shopify), AI automation(n8n, Make.com, Zapier), No-code/low- code(Framer, Webflow)

Soft Skillss

Proactivity, Adaptability, Resilience

Collaboration, communication, Leadership

Results-Oriented, Customer Focus, Innovation

Analytical Thinking, Problem Solving

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