I’m a Senior Frontend Engineer and Generative AI Specialist with over 8 years of experience building scalable, accessible, and high-performance web applications. I specialize in React.js, Next.js, and UI optimization, and have strong backend skills with Node.js, Java, and Spring Boot. I enjoy creating AI-powered user experiences by integrating large language models using tools like LangChain and OpenAI APIs. I thrive in collaborative environments where I can contribute to architecture reviews, agile planning, and mentorship. My passion lies in combining frontend development expertise with emerging AI technologies to create innovative and efficient solutions.

Ranjit Subedi

I’m a Senior Frontend Engineer and Generative AI Specialist with over 8 years of experience building scalable, accessible, and high-performance web applications. I specialize in React.js, Next.js, and UI optimization, and have strong backend skills with Node.js, Java, and Spring Boot. I enjoy creating AI-powered user experiences by integrating large language models using tools like LangChain and OpenAI APIs. I thrive in collaborative environments where I can contribute to architecture reviews, agile planning, and mentorship. My passion lies in combining frontend development expertise with emerging AI technologies to create innovative and efficient solutions.

Available to hire

I’m a Senior Frontend Engineer and Generative AI Specialist with over 8 years of experience building scalable, accessible, and high-performance web applications. I specialize in React.js, Next.js, and UI optimization, and have strong backend skills with Node.js, Java, and Spring Boot. I enjoy creating AI-powered user experiences by integrating large language models using tools like LangChain and OpenAI APIs.

I thrive in collaborative environments where I can contribute to architecture reviews, agile planning, and mentorship. My passion lies in combining frontend development expertise with emerging AI technologies to create innovative and efficient solutions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Data Scientist at JP Morgan Chase
August 1, 2023 - June 14, 2024
Designed and implemented credit risk models using Random Forest and XGBoost, reducing delinquency rates by 14%. Integrated AWS SageMaker pipelines for scalable model training and deployment. Analyzed billions of transactions with PySpark and Hive to detect fraud patterns. Collaborated on migrating legacy models to Snowflake, improving processing by 40%. Built Tableau dashboards delivering real-time KPIs on consumer behavior and risk trends. Developed NLP sentiment analysis tools improving customer service responses. Automated model monitoring reducing false positives by 22%.
Data Scientist at Verisk Analytics
January 1, 2020 - August 1, 2022
Developed predictive models using H2O.ai AutoML to improve underwriting accuracy. Engineered ETL workflows with Apache Airflow automating policyholder data ingestion. Applied time series forecasting using R for claims trend analysis enhancing resource allocation. Worked with actuaries to productionize models via Databricks with validations. Built Power BI dashboards for claims monitoring. Conducted clustering analysis to detect fraud networks. Managed version control of pipelines ensuring reproducibility and audit compliance.
Data Scientist at Cotiviti
March 1, 2018 - December 31, 2020
Built deep learning models in TensorFlow for anomaly detection in healthcare claims identifying $2M+ recoveries. Used SAS and KNIME for statistical validation and fraud workflows. Designed ETL pipelines in PostgreSQL managing structured claim data. Created Excel VBA visualizations supporting QA and audits. Implemented logistic regression and decision trees for eligibility and pricing. Led A/B testing to refine business rules improving model precision by 12%. Documented model lifecycle using Jupyter notebooks for regulatory compliance.
Senior Software Engineer at American Express
June 1, 2023 - June 13, 2024
Engineered a high-scale financial dashboard using React 18, TypeScript, Redux, and Redux-Saga for real-time transaction monitoring. Implemented responsive layouts with Tailwind CSS, SASS, and Styled Components supporting theming and branding for multiple clients. Optimized app performance by utilizing Next.js SSR/SSG features, code-splitting, and lazy loading, reducing load times by 25%. Integrated REST APIs for card insights, fraud alerts, and user data with robust error handling and fallback states. Ensured strict WCAG 2.1 accessibility compliance including ARIA roles and screen reader support. Led the migration from Angular to React, improving efficiency and reducing technical debt. Established testing frameworks using Jest and Cypress, reducing manual QA by 40%. Mentored frontend engineers and contributed to agile planning and architecture reviews. Developed an AI-powered Compliance Chatbot leveraging LangChain, LangGraph, and PGVector for real-time internal document search. Design
Full Stack Software Engineer at Fiserv
September 1, 2021 - May 31, 2023
Spearheaded development of AI-enhanced financial tools using React 18, TypeScript, and D3.js for investment and account visualization. Designed and maintained custom component system using Shadcn/UI and Tailwind CSS to improve UI consistency. Integrated GraphQL (Apollo Client) and REST APIs for seamless financial data querying and caching. Managed state with Redux Toolkit and Context API handling multi-account access and transaction drill-downs. Standardized test practices with Jest, React Testing Library, and Cypress, significantly reducing regressions. Customized builds through Webpack, Babel, and ESLint to improve load performance and developer productivity. Defined SSO + JWT-based authentication flows and collaborated with backend teams for API contracts. Architected serverless functions and REST APIs with Node.js and Express.js handling portfolio summaries and transaction matching. Implemented secure authentication flows using OAuth2, JWT, session tokens, middleware guards, and re
Software Engineer at Oppenheimer Holdings
June 1, 2019 - August 31, 2021
Delivered a responsive banking portal with React, TypeScript, and Redux optimized for mobile and enterprise users. Integrated REST APIs to fetch live financial data, transaction summaries, and payroll records. Implemented form validation, session handling, and role-based UI using Zod, Formik, and JWT auth. Improved page speed and UX with lazy loading, image compression, and Lighthouse audits across devices. Maintained design consistency using Figma, Tailwind, and custom component frameworks. Automated frontend testing with Jest, Postman, and Selenium in CI/CD pipelines. Developed scalable financial applications using Java Spring Boot and RESTful APIs. Enhanced API responsiveness, cutting response time by 30%, improved CI/CD workflows using Jenkins and GitHub Actions. Boosted database performance through query tuning and index optimization for PostgreSQL and Oracle.
Frontend Developer at Community Dental Clinic
February 1, 2017 - May 31, 2019
Developed responsive, cross-platform UI components using React and Angular. Integrated RESTful APIs improving performance by 40%. Implemented OAuth2 and JWT for secure patient portal access. Deployed frontend on AWS Lambda and S3 reducing operational costs and improving availability. Applied Redux and Webpack optimizations minimizing frontend load times. Conducted usability testing and mentored junior developers maintaining code quality. Increased UI test reliability through automated tests with Jest, Cypress, and Selenium. Managed data storage with MongoDB and MySQL for patient history and clinic feedback including daily backups and indexing for full-text search.

Education

Masters of Science at University of Pittsburgh
August 1, 2022 - April 30, 2024
Bachelor of Science at London Metropolitan University
January 1, 2015 - December 31, 2018

Qualifications

Add your qualifications or awards here.

Industry Experience

Financial Services, Healthcare, Software & Internet, Professional Services