Available to hire
I am a motivated Full Stack Software Engineer with 10+ years of experience building scalable applications, integrating third-party services, and ensuring data integrity across large systems. I excel in React, Angular, Node.js, Python, TypeScript, GraphQL, and PostgreSQL, with a proven track record of designing reliable data pipelines and secure authentication services.
I thrive in cross-functional teams within fast-paced startups, love delivering clean, testable code, and am eager to contribute to transformative industries, including embedded insurance, aligning technical decisions with customer value and business outcomes.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Language
English
Fluent
Javanese
Advanced
Work Experience
Sr. Front-End Engineer at Clear Secure (DHS TSA PreCheck)
July 31, 2025 - August 25, 2025Developed full-stack modules with React (Next.js) and Node.js backend using TypeScript for secure user onboarding flows. Maintained authentication and authorization services using OAuth2, JWT, and JWE to ensure secure platform access. Built scalable REST and GraphQL APIs optimized for identity management workflows. Collaborated with teams to evolve cloud-native IAM services on AWS using serverless and container orchestration. Contributed to CI/CD pipelines integrating Jest and Cypress for testing. Enhanced system performance reducing validation latency by 30% and frontend performance by 25%. Ensured ADA compliance and monitored system metrics using AWS CloudWatch. Guided engineers on secure coding practices and engaged in architectural design discussions.
Sr. Full-Stack Engineer (Contract) at Disaster Tech
October 1, 2024 - August 25, 2025Built and deployed scalable serverless APIs with Python and AWS Lambda, integrated with SNS/SQS for real-time data flow. Implemented Kafka for asynchronous messaging and telemetry in emergency systems. Developed secure GraphQL endpoints for high internal use. Utilized Docker and Kubernetes for packaging and orchestrating services with automated CI/CD deployments. Applied JWT/OAuth2 for access control and performed security audits on API traffic. Created API test automation with Postman and custom scripts. Tuned AWS infrastructure for availability and cost-efficiency using EC2, RDS, DynamoDB, and CloudFormation.
Sr. Associate at Cognizant (American Express, Coca-Cola, Northern Trust)
March 1, 2024 - August 25, 2025Delivered and maintained RESTful APIs using Python and Node.js integrated with AWS Lambda and API Gateway. Created API documentation with OpenAPI and ensured test coverage with Postman and Jest. Developed Lambda-based backend event handlers for DynamoDB and S3 automation. Assisted in Terraform-based AWS provisioning setups. Contributed to GraphQL services for front-end personalization. Managed release cycles and builds via GitHub Actions and Azure DevOps. Supported peer review cycles and CI workflows ensuring scalable production rollouts.
Full-Stack Engineer at Marriott
March 1, 2022 - August 25, 2025Built customer-facing booking and reservation systems using React and Angular ensuring seamless guest interaction. Developed backend APIs in Python and Node.js with secure JWT-based authentication. Integrated third-party payment providers maintaining PCI compliance. Created infrastructure automation with AWS Lambda, EC2, and RDS for scaling peak loads. Used Postman and Swagger for API testing and documentation. Maintained CI/CD pipelines for weekly deployments. Improved accessibility using ARIA standards and implemented real-time UI validation features. Participated in Agile ceremonies and prioritized production bug fixes under tight deadlines.
Software Engineer at Fairmont
June 1, 2018 - August 25, 2025Rebuilt hotel portal with React front-end and Python Flask backend enabling real-time room availability updates. Deployed APIs to AWS EC2 with secure IAM role-based access policies. Integrated WebSockets for real-time guest notifications such as check-in readiness and service requests. Applied automated UI testing with Selenium and Cypress to reduce bugs. Maintained MySQL and MongoDB for guest profile management. Led code reviews and documentation updates. Collaborated directly with hotel operations gathering requirements, demoing prototypes, and rolling out automation features, reducing check-in time by 25% and eliminating booking overlaps.
Sr. Front-End Engineer at Clear Secure (DHS TSA PreCheck)
July 31, 2025 - September 4, 2025Developed full-stack modules using React (Next.js) and Node.js backend with TypeScript for secure user onboarding. Integrated REST and GraphQL APIs deployed on Azure Functions. Managed state using Redux and built UI components with Tailwind and Material UI. Configured Cosmos DB for NoSQL querying and serverless performance. Established Jest and Cypress testing to maintain consistent coverage and ensured ADA compliance with axe DevTools and semantic HTML. Improved user validation latency by 30% and frontend performance by 25%. Actively monitored API performance using AWS CloudWatch and collaborated closely in code reviews and product team engagements.
Sr. Full-Stack Engineer (Contract) at Disaster Tech
October 1, 2024 - September 4, 2025Built and deployed scalable, serverless APIs with Python and AWS Lambda integrating SNS/SQS for real-time data workflows. Implemented Kafka for asynchronous messaging in emergency systems. Developed and secured GraphQL endpoints supporting high-volume internal consumption. Utilized Docker and Kubernetes for containerization and orchestration with CI/CD pipelines. Applied JWT/OAuth2 for security, conducted API security audits, and automated API testing via Postman. Enhanced AWS infrastructure tuning for high availability and cost efficiency using EC2, RDS, DynamoDB, and CloudFormation.
Sr. Associate at Cognizant (American Express, Coca-Cola, Northern Trust)
March 31, 2024 - September 4, 2025Delivered and maintained RESTful APIs using Python and Node.js integrated with AWS Lambda and API Gateway. Authored comprehensive API documentation with OpenAPI and utilized Postman and Jest for test coverage. Developed Lambda event handlers automating backend operations involving DynamoDB and S3. Supported Terraform-based AWS infrastructure provisioning. Contributed to GraphQL service development for front-end personalization. Managed CI/CD pipelines with GitHub Actions and Azure DevOps and supported peer review and scalable production rollouts.
Full-Stack Engineer at Marriott
March 1, 2022 - September 4, 2025Built customer-facing booking and reservation systems using React and Angular for seamless worldwide guest interaction. Developed backend APIs in Python and Node.js with JWT-based security. Integrated with third-party payment providers ensuring PCI-compliance. Automated infrastructure using AWS Lambda, EC2, and RDS to scale during peak seasons. Maintained API quality with Postman and Swagger. Streamlined CI/CD pipelines with GitHub Actions and Azure DevOps. Enhanced accessibility and real-time UI validation. Engaged in agile planning and rapid bug fixes to improve user experience and direct bookings by 15%.
Software Engineer at Fairmont
June 1, 2018 - September 4, 2025Rebuilt hotel portal with React frontend and Python Flask backend enabling real-time room availability updates. Managed API deployment on AWS EC2 with secure IAM policies. Integrated WebSockets for real-time guest notifications related to check-in and services. Applied Selenium and Cypress for automated UI testing across multiple browsers. Maintained MySQL and MongoDB databases for guest data management. Led code reviews and documentation to ensure code quality. Collaborated with hotel operations on requirements and automation rollout, reducing check-in times by 25% and eliminating booking overlaps.
Sr. Full-Stack Engineer at Toptal
April 1, 2024 - PresentContracted by Toptal to deliver high-impact solutions for federal, enterprise, and SaaS clients through advanced front-end and back-end engineering. Built secure APIs with JWT/OAuth 2.0, collaborated with cross-functional teams to optimize internal data flows between microservices, and led the delivery of cloud-native applications. Developed responsive UIs with React/Next.js and Angular, engineered backend services with Node.js and GraphQL, and deployed on AWS (Lambda, EC2, S3). Served as Scrum Master to drive Agile delivery and team alignment.
Sr. Full-Stack Engineer at Toptal
April 1, 2024 - PresentContracted by Toptal to deliver high-impact solutions for federal, enterprise, and SaaS clients. For Clear Secure (TSA PreCheck) I designed and maintained secure full-stack components with Node.js, React, and TypeScript to support identity verification, built APIs with JWT authentication and OAuth 2.0, and led data-flow optimization across microservices. As Scrum Master, I facilitated daily standups, sprint planning, backlog grooming, and retrospectives to ensure smooth Agile delivery and team alignment. I led a cross-functional team of frontend (Angular/React) and backend (Java/Node.js) developers to deliver scalable microservices and cloud-native applications, with responsive UIs and state management (Redux, NgRx). I implemented Node.js (Express) and GraphQL APIs, optimized PostgreSQL schemas, and integrated AWS services (Lambda, EC2, S3, DynamoDB, API Gateway) for secure, serverless solutions. I automated CI/CD pipelines (GitHub Actions, Jenkins), added automated monitoring for data
Sr. Associate at Cognizant
March 31, 2024 - October 7, 2025American Express – Modernized a legacy fraud-detection dashboard and dispute resolution workflow: migrated Angular to React/Next.js, integrated NLP-powered fraud detection (SageMaker), reducing manual review time by 33%. Deployed containerized fraud-processing services into Kubernetes clusters, managing rollout and scale across staging and prod. Used K8s Jobs and CronJobs to orchestrate batch dispute analysis pipelines with automated alerting. Coca-Cola – Built a generative-AI pipeline for the global creative team using OpenAI DALL·E 3 and ControlNet, streamlining image generation and asset delivery, cutting campaign production time by 50%. Packaged services into Docker containers and deployed to Kubernetes via Helm for consistent multi-env deployment. Northern Trust – Refactored legacy UIs into composable micro-frontends using React Module Federation; built GraphQL BFF layer for faster client data queries. Page speed improved 40%, and client NPS rose 12 pts. Managed API contain
Full-Stack Engineer at Marriott
March 31, 2022 - October 7, 2025Launched a new global booking engine; boosted page speed and UX conversions by 15%. Built responsive web applications using HTML, CSS, SCSS, JavaScript, and TypeScript with Vue.js (2 & 3), ensuring cross-browser compatibility and high performance. Developed and maintained booking flow REST APIs and microservices using C# and .NET, supporting scalable, secure, and maintainable enterprise solutions. Implemented AWS cloud services (Lambda, EC2, S3, DynamoDB, API Gateway) for cloud-native application deployments with high availability and resilience. Automated CI/CD pipelines with AWS DevOps tools, GitHub Actions, and Jenkins, streamlining builds, testing, and zero-downtime deployments. Designed and optimized relational data models with MySQL and PostgreSQL, improving query performance and ensuring data integrity for large-scale applications. Created modern, reusable UI components with Tailwind CSS and Material UI, delivering consistent design systems across multiple projects. Collaborated
Software Engineer at Fairmont (Hospitality Services)
June 30, 2018 - October 7, 2025Developed front-end modules using ReactJS and maintained back-office tools in Angular for staff operations. Built responsive web applications using HTML, CSS, SCSS, JavaScript, and TypeScript with Angular, ensuring cross-browser compatibility and performance. Developed state-managed Angular UIs with NgRx/RxJS, improving data flow, debugging efficiency, and scalability. Implemented REST APIs and microservices with PHP (Laravel), enabling modular, secure backend systems. Integrated AWS services (Lambda, EC2, S3, DynamoDB, API Gateway) for cloud-native deployments. Automated CI/CD pipelines with AWS DevOps tools, GitHub Actions, and Jenkins. Modeled and optimized MongoDB databases for high-volume transactions and real-time analytics. Implemented Tailwind CSS and Material UI to create scalable design systems. Ensured accessibility (WCAG/ARIA) and collaboration across product, design, and engineering. Migrated monolithic Java backend to microservices with Spring Boot and Python scripting; c
Sr. Full-Stack Engineer at Toptal
April 1, 2024 - PresentSr. Full-Stack Engineer delivering secure, scalable solutions for federal, enterprise, and SaaS clients. Built and maintained Node.js/TypeScript backends and React/Next.js frontends, implemented JWT/OAuth 2.0 authentication, and designed cloud-native microservices on AWS. Led cross-functional collaboration and guided delivery of feature-rich, low-latency apps in a fast-paced environment.
Sr. Associate at Cognizant
March 1, 2024 - October 20, 2025Sr. Associate contributing to modernizing legacy systems and AI-enabled fraud workflows. Migrated Angular UIs to React/Next.js, integrated NLP-based fraud detection with SageMaker, deployed containerized services on Kubernetes, and built batch analytics pipelines with Kubernetes Jobs/CronJobs. Improved UI/UX and data-flow efficiency for enterprise clients.
Full-Stack Engineer at Marriott
March 1, 2022 - October 20, 2025Full-stack engineer for a global booking platform. Launched a new booking engine with responsive Vue.js frontends and REST APIs/microservices using .NET; deployed AWS-based cloud infrastructure, improved page speed and conversions by about 15%, and implemented CI/CD pipelines for zero-downtime releases.
Software Engineer at Fairmont (Hospitality Services)
June 30, 2018 - October 20, 2025Developed front-end modules with React and back-office tools in Angular; built REST APIs and microservices with PHP (Laravel); integrated AWS cloud services; automated CI/CD with Jenkins; designed MongoDB schemas; delivered a 25% faster guest check-in workflow through modernized UI and robust APIs.
Senior Full-Stack Engineer at Toptal (Client: Clear Secure – TSA PreCheck)
April 1, 2024 - October 27, 2025Contracted by Toptal to deliver high-impact solutions for federal, enterprise, and SaaS clients through advanced front-end and back-end engineering. Designed and maintained secure full-stack components with Node.js, React, and TypeScript for identity-verification services across 4 AWS accounts. Built and deployed secure APIs with JWT authentication and OAuth 2.0 protocols to support millions of users. Led a cross-functional team of frontend (Angular/React) and backend (Java/Node.js) developers, driving delivery of scalable microservices and cloud-native applications. Implemented REST and GraphQL APIs (Express.js) backed by PostgreSQL, ensuring high concurrency and data integrity. Engineered serverless/cloud-native patterns with AWS Lambda, EC2, S3, DynamoDB, and API Gateway; automated CI/CD pipelines with GitHub Actions and Jenkins for zero-downtime releases. Delivered responsive, accessible UIs with Tailwind CSS, Material UI, and Angular Material, and enforced testing, linting, and CI
Sr. Associate at Cognizant
March 31, 2024 - March 31, 2024Front-end/back-end engineer in pods of 4–7 developers (budgets up to $2.8M), delivering modernized enterprise-grade solutions. American Express – modernized a legacy fraud-detection dashboard by migrating Angular to React/Next.js, integrating NLP-powered fraud detection (SageMaker), and deploying containerized services to Kubernetes. Implemented K8s Jobs and CronJobs to orchestrate batch analysis pipelines, automated alerting, and built a GraphQL BFF to accelerate client data queries. Coca-Cola – built a generative-AI pipeline using OpenAI DALL·E 3 and ControlNet, packaging services into Docker containers and deploying to Kubernetes via Helm for multi-env deployment, reducing campaign production time by 50%. Northern Trust – refactored legacy UIs into composable micro- frontends using React Module Federation; created a GraphQL BFF layer, achieving 40% page-speed improvement and improved client NPS. Marriott and other global clients benefited from enhanced code quality, distrib
Full-Stack Engineer at Marriott
March 31, 2022 - March 31, 2022Launched a new global booking engine; boosted page speed and UX conversions by 15%. Built responsive web applications with Vue.js (2 & 3), and developed booking flow REST APIs and microservices using C#/.NET for scalable, secure backend systems. Implemented AWS cloud services (Lambda, EC2, S3, DynamoDB, API Gateway) for cloud-native deployments with high availability. Automated CI/CD pipelines with AWS DevOps tools, GitHub Actions, and Jenkins, enabling zero-downtime releases. Created data models in MySQL and PostgreSQL to enhance query performance and data integrity. Built reusable UI components with Tailwind CSS and Material UI, and implemented accessibility best practices. Led cross-functional collaboration, code reviews, and mentoring to elevate engineering standards.
Software Engineer at Fairmont (Hospitality Services) | Bermuda
June 30, 2018 - June 30, 2018Developed front-end modules using React and maintained back-office tools in Angular. Built REST APIs and microservices with PHP (Laravel), enabling modular and scalable backend systems. Integrated AWS services for cloud-native deployments with high availability. Automated CI/CD pipelines (Jenkins, GitHub Actions) and managed MySQL and MongoDB databases for reservations and guest feedback analytics. Implemented accessible UI design systems with Tailwind CSS and Material UI, and mentored junior developers on Angular NgRx patterns, Laravel practices, and CI/CD automation. Migrated monolithic Java backend to a microservices architecture using Spring Boot and Python scripting; configured API authentication with mTLS and JWT across hotel systems. Improved guest check-in workflows by delivering faster, more reliable UI and backend processes.
Sr. Full-Stack Engineer at Clear Secure (TSA PreCheck) - Client via Toptal
April 1, 2024 - November 26, 2025Designed and maintained secure full-stack components with Node.js, React, and TypeScript for identity verification services; implemented JWT/OAuth 2.0; collaborated to optimize internal data flows between microservices; built secure APIs serving millions of users; contributed to Agile processes and on-call incident handling.
Sr. Associate at Cognizant
March 1, 2024 - March 1, 2024Front- and back-end engineer in multi-pod teams; modernized fraud-detection dashboard, migrated Angular to React/Next.js, integrated NLP-powered fraud detection (SageMaker), deployed containerized services to Kubernetes; built batch pipelines with Kubernetes Jobs; improved security RBAC and CI/CD automation; improved feature delivery and reliability.
Full-Stack Engineer at Marriott
March 1, 2022 - March 1, 2022Launched a new global booking engine; built responsive web apps with Vue.js; developed and maintained booking flow REST APIs and microservices using C#/.NET; implemented AWS cloud services; automated CI/CD pipelines; improved page speed and conversions; designed relational data models (MySQL, PostgreSQL); built reusable UI components; improved accessibility and test coverage; mentored teammates.
Software Engineer at Fairmont (Hospitality Services) Bermuda
June 1, 2018 - June 1, 2018Developed front-end modules with ReactJS and maintained back-office tools in Angular; built REST APIs and microservices with Laravel; integrated AWS cloud services; automated CI/CD; modeled MongoDB databases for analytics; delivered 25% faster guest check-in workflow through modernized UI and backend APIs; mentored junior developers; migrated monolithic Java backend to microservices using Spring and Python scripting.
Education
BSc in Computer Science at Acharya Nagarjuna University
January 11, 2030 - August 25, 2025BSc in Computer Science at Acharya Nagarjuna University
January 11, 2030 - September 4, 2025AAS in Programming & Development at Eastern Gateway College
January 11, 2030 - October 7, 2025AAS in Programming & Development at Eastern Gateway College
January 11, 2030 - October 7, 2025AAS in Programming & Development at Eastern Gateway College
January 11, 2030 - October 20, 2025BSc in Computer Science at Acharya Nagarjuna University
January 11, 2030 - October 27, 2025BSc in Computer Science at Acharya Nagarjuna University
January 11, 2030 - November 26, 2025Qualifications
Public Trust Security Clearance
January 11, 2030 - August 25, 2025Executive Briefing: Artificial Intelligence (AI)
January 11, 2030 - August 25, 2025Cognizant Neuro Generative AI – Applied Learning Series
January 11, 2030 - August 25, 2025Public Trust Security Clearance
January 11, 2030 - September 4, 2025Executive Briefing: Artificial Intelligence (AI)
January 11, 2030 - September 4, 2025Cognizant Neuro Generative AI – Applied Learning Series
January 11, 2030 - September 4, 2025Executive Briefing: Artificial Intelligence (AI)
January 11, 2030 - October 7, 2025Cognizant Neuro Generative AI – Applied Learning Series
January 11, 2030 - October 7, 2025Executive Briefing: Artificial Intelligence (AI)
January 11, 2030 - October 7, 2025Cognizant Neuro Generative AI – Applied Learning Series
January 11, 2030 - October 7, 2025Executive Briefing: Artificial Intelligence (AI)
January 11, 2030 - October 20, 2025Cognizant Neuro Generative AI – Applied Learning Series
January 11, 2030 - October 20, 2025Executive Briefing: Artificial Intelligence (AI)
January 11, 2030 - October 27, 2025Cognizant Neuro Generative AI – Applied Learning Series
January 11, 2030 - October 27, 2025Executive Briefing: Artificial Intelligence (AI)
January 11, 2030 - November 26, 2025Cognizant Neuro Generative AI – Applied Learning Series
January 11, 2030 - November 26, 2025Industry Experience
Government, Software & Internet, Travel & Hospitality, Financial Services, Professional Services, Education, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Hire a Full Stack Developer
We have the best full stack developer experts on Twine. Hire a full stack developer in Murrieta today.