Hi, I’m James King, a Senior Software Engineer focused on building scalable fintech and healthcare solutions with React, TypeScript, Node.js, and cloud-native architectures. I enjoy mentoring teams, driving robust testing strategies, and delivering measurable improvements in performance and reliability. I thrive in collaborative environments that value clean design, secure data handling, and thoughtful architecture. My work spans front-end interfaces to back-end services, CI/CD automation, and cloud deployments on AWS and Kubernetes, always with an eye toward tangible business impact.

Hi, I’m James King, a Senior Software Engineer focused on building scalable fintech and healthcare solutions with React, TypeScript, Node.js, and cloud-native architectures. I enjoy mentoring teams, driving robust testing strategies, and delivering measurable improvements in performance and reliability. I thrive in collaborative environments that value clean design, secure data handling, and thoughtful architecture. My work spans front-end interfaces to back-end services, CI/CD automation, and cloud deployments on AWS and Kubernetes, always with an eye toward tangible business impact.

Available to hire

Hi, I’m James King, a Senior Software Engineer focused on building scalable fintech and healthcare solutions with React, TypeScript, Node.js, and cloud-native architectures. I enjoy mentoring teams, driving robust testing strategies, and delivering measurable improvements in performance and reliability.

I thrive in collaborative environments that value clean design, secure data handling, and thoughtful architecture. My work spans front-end interfaces to back-end services, CI/CD automation, and cloud deployments on AWS and Kubernetes, always with an eye toward tangible business impact.

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Experience Level

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

English
Fluent

Work Experience

Senior Software Engineer at Deloitte
March 1, 2022 - Present
Senior Software Engineer responsible for delivering React, TypeScript, Redux components for ExpansE HR scheduling and physician dashboards; integrated with REST APIs in Node.js/Express; led frontend/backend improvements, implemented secure authentication with AWS Cognito and OAuth 2, and aligned with HIPAA/PCI compliance. Built backend services in Python/Django and Django REST Framework, deployed via Docker/Kubernetes on AWS (Lambda, EC2, S3, RDS, DynamoDB, API Gateway, CloudFormation). Optimized CI/CD pipelines (GitHub Actions, Jenkins) and monitoring (New Relic, DataDog). Improved clinician efficiency by ~15% and supported scalable cloud-native architectures for fintech, health care, and enterprise apps.
Senior Software Engineer at Deloitte
March 1, 2022 - Present
Senior Software Engineer responsible for implementing React, TypeScript, and Redux components for Expand EHR scheduling and physician dashboards, integrating with REST APIs in Node.js and Express to improve clinician efficiency. Built backend services in Python and Django REST Framework with PostgreSQL/MySQL, deployed on AWS EC2 and Docker, supporting 1M+ patient records. Refactored PostgreSQL/MySQL queries with Django ORM and indexing to reduce report generation time. Expanded QA coverage with Jest, Pytest, and Cypress within GitHub Actions CI/CD, increasing test coverage. Led frontend work for a fintech dashboard and integrated payments APIs with Python/FastAPI, AWS Lambda, DynamoDB, and RDS, boosting transaction throughput by 25%. Designed referral tracking and gift-card APIs using Node.js/Express and PostgreSQL, documented with Swagger/OpenAPI for 99.9% uptime. Optimized React components with Redux/Webpack/Babel and AWS CloudFront, reducing load times by 35%.
Software Engineer at Meditech
March 1, 2022 - September 17, 2025
Contributed to software development across frontend and backend stacks for healthcare solutions, collaborating with cross-functional teams to deliver features and improvements.
Software Engineer at Fluz
September 1, 2019 - September 17, 2025
Participated in full-stack development across fintech product lines, delivering features and collaborating with teams to ship updates.
Senior Software Engineer at Deloitte
March 1, 2022 - Present
Implemented React, TypeScript, Redux components for Expanse EHR scheduling and physician dashboards; integrated with REST APIs in Node.js and Express; improved clinician efficiency by 15%. Built backend services in Python, Django, Django REST Framework, PostgreSQL, MySQL; deployed with AWS EC2 and Docker; supported 1M+ patient records. Refactored reporting queries using Django ORM and SQL indexing (PostgreSQL/MySQL), reducing report generation time by 20%. Expanded QA coverage with Jest, Pytest, Cypress integrated in GitHub Actions CI/CD, increasing test coverage to 85%. Architected REST and GraphQL APIs with Node.js, Express, Apollo Server, PostgreSQL; consumed by React and Next.js apps, improving interoperability. Established observability stack with DataDog and New Relic; enforced GitHub PR reviews; reduced production issues by 25%.
Software Engineer at Meditech
March 1, 2022 - September 17, 2025
Contributed to healthcare software projects, building backend services and dashboards, working with PostgreSQL/MySQL, and deploying to AWS EC2 via Docker to support clinical workflows and analytics.
Software Engineer at Fluz
September 1, 2019 - September 17, 2025
Developed fintech features with React, Redux, and TypeScript on the frontend and Node.js/Express on the backend, delivering reliable, scalable functionality for consumer-facing financial services.
Senior Software Engineer at Deloitte
March 1, 2022 - Present
Implemented React, TypeScript, Redux components for Expand EHR scheduling and physician dashboards, integrated with REST APIs in Node.js and Express, improving clinical efficiency by 15%. Built backend services in Python, Django, Django REST Framework, using PostgreSQL, MySQL, and deployed via Docker on AWS EC2, processing 1M+ patient records in Expand cloud. Refactored reporting queries in PostgreSQL/MySQL using Django ORM and SQL indexing, reducing report generation time by 20%. Expanded QA coverage with Jest (React), PyTest (Django APIs), Cypress (E2E tests) integrated in GitHub Actions CI/CD, increasing test coverage to 85%. Built cash back platform frontend in React, Redux, TypeScript, CSS3, backend services in Node.js, Express, deployed on AWS EC2 to serve 500K+ active users. Integrated payments and virtual card APIs with Python, FastAPI, AWS Lambda, DynamoDB, RDS (MySQL), boosting transaction throughput by 25%. Designed referral tracking and gift card redemption REST APIs using
Software Engineer at Meditech
March 1, 2022 - September 17, 2025
Engineered health care ingestion pipelines with FastAPI, Django ORM, PostgreSQL, deployed via Docker on AWS EC2, processing 5M+ patient records into analytics dashboards. Automated CI/CD workflows using GitHub Actions, Jenkins, Docker, Kubernetes, cutting release cycles by 40% and standardizing deployments across teams. Established observability stack with Datadog, New Relic, AWS CloudWatch, and enforced GitHub PR reviews, reducing production issues by 25%. Architected REST and GraphQL APIs with Node.js, Express, Apollo Server, PostgreSQL, consumed by React and Next.js web apps, improving interoperability across client ecosystems.
Senior Software Engineer at Deloitte
March 1, 2022 - Present
Implemented React, TypeScript, Redux components for Expand EHR scheduling and physician dashboards, integrated with REST APIs in Node.js and Express, improving clinician efficiency by 15%. Led backend services in Python (Django/DRF) and AWS cloud-native architecture; contributed to CI/CD pipelines and observability.
Software Engineer at Meditech
March 1, 2022 - September 17, 2025
Built frontend and backend services for EHR/healthcare scheduling and dashboards using React, TypeScript, Django REST Framework, and FastAPI; deployed to AWS with Docker/Kubernetes; helped migrate monolith to microservices and implemented data pipelines.
Senior Software Engineer at Deloitte
March 1, 2022 - Present
Implemented React, TypeScript, Redux components for Expanse EHR scheduling and physician dashboards; integrated with REST APIs using Node.js and Express; established authentication with AWS Cognito/OAuth 2 and API Gateway; led GitHub Actions-based CI/CD pipelines; improved clinician workflow efficiency by approximately 15%.
Software Engineer at Meditech
March 1, 2022 - September 17, 2025
Built backend services in Python and Django REST Framework; designed data models with PostgreSQL/MySQL; containerized services with Docker; deployed on Kubernetes; contributed to healthcare platform with >1M patient records and robust data workflows.
Software Engineer at Fluz
September 1, 2019 - September 17, 2025
Contributed to frontend and backend development, building scalable features and API integrations; collaborated with product and design to deliver reliable software that handles growing user needs in a cloud-based environment.

Education

Bachelor's Degree in Computer Science at University of Texas at Dallas
August 1, 2013 - May 1, 2017
Bachelor's Degree in Computer Science at University of Texas at Dallas
August 1, 2013 - May 1, 2017
Bachelor's Degree at University of Texas at Dallas
August 1, 2013 - May 1, 2017
Bachelor's Degree in Computer Science at University of Texas at Dallas
August 1, 2013 - May 1, 2017
Bachelor of Science at University of Texas at Dallas
August 1, 2013 - May 1, 2017
Bachelor's Degree in Computer Science at University of Texas at Dallas
August 1, 2013 - May 1, 2017

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Healthcare, Financial Services, Professional Services, Other