Java Full-Stack Microservices Engineer (Healthcare)

SHEETHAL MATHEW San Antonio, TX

281-***-**** ********@*******.*** LinkedIn

PROFESSIONAL SUMMARY:

●Java Full-Stack Software Engineer with 3+ years building scalable, mission-critical systems in healthcare environments. Expert designing and deploying end-to-end solutions from Spring Boot microservices REST APIs to frontends handling concurrent users and real-time data.

●Java and Spring Boot specialist architecting microservices supporting requests daily. Implemented OAuth 2.0 security, WebRTC video streaming, and WebSocket real-time communication, lifting efficiency by roughly a fifth and growing user engagement by more than a third.

●Full-stack developer proficient in JavaScript and Node.js. Built responsive web applications and device dashboards integrated with Java backends. Streams real-time telemetry data from 4 connected devices upstream to client and service applications, supporting a program deployed across more than 10,000 units at clients including the VA, DoD, and private hospitals, cutting troubleshooting time nearly in half.

●Database architect and performance optimizer across MySQL, MSSQL, and Oracle SQL platforms. Cut query latency from 40 minutes to 50 seconds through strategic indexing and tuning. Designed schemas supporting 500K+ records with sub-second response times.

●Backend and data engineer automating healthcare data workflows with Python scripts and Linux cron jobs, including cloud-hosted ETL/ELT pipelines on Azure that generated $800K in measurable revenue impact through Power BI analytics, while maintaining strict PHI compliance across services.

●Data engineer designing real-time analytics platforms using Power BI dashboards. Transformed raw healthcare data into actionable insights reducing manual reporting

TECHNICAL SKILLS:

Programming Languages:

Java, JavaScript, Python, SQL, HTML5, CSS3

Backend Frameworks and Microservices:

Spring Boot, Spring Core, Spring Data JPA, Spring Security, Node.js, Microservices Architecture, REST APIs, OAuth 2.0

Real-time Communication and Protocols:

WebRTC, WebSocket, Secure Video Streaming, OAuth 2.0, JWT

Frontend Technologies:

JavaScript (ES6+), HTML5, CSS3, Responsive Web Design

Relational Databases and SQL

MySQL, MSSQL, Oracle SQL, PL/SQL, Query Optimization, Strategic Indexing, Schema Design, Database Tuning

Cloud Platforms and Services:

Linux, Git, JIRA, Azure (Data Factory, Synapse Analytics)

Data Engineering and Analytics:

ETL/ELT Pipelines, Power BI, Batch Processing, Real-time Data Streaming, Data Quality

Testing and Quality Practices:

Unit Testing, Integration Testing, Code Reviews, Secure Coding, Encryption, Access Control, Healthcare Compliance

Development Methodologies:

Agile/Scrum, Microservices Architecture, Distributed Systems, REST API Design, Secure System Design

Data Science and Python Libraries:

Python Scripting, Data Processing, System Automation, Linux Task Scheduling

PROFESSIONAL EXPERIENCE:

Caregility San Antonio, Texas (Healthcare Technology)

Java Full Stack Software Engineer Mar 2023 – Present

●Architect and develop Java Spring Boot microservices supporting healthcare device management and real-time monitoring systems. Built RESTful APIs handling 500K+ concurrent requests daily with 99.9+ uptime SLA serving clinical and operational teams.

●Design and implement full-stack features using JavaScript frontends integrated with Java Spring Boot backends. Built responsive web applications managing hardware devices, video conferencing (WebRTC), and patient monitoring dashboards used by 1000+ clinical users.

●Architect WebRTC video conferencing system enabling secure communication between medical devices and web applications. Implemented session-based video streaming with OAuth 2.0 authentication, lifting communication efficiency by roughly a fifth and growing user engagement by more than a third.

●Build and optimize data pipelines processing real-time telemetry data from medical devices. Real time streaming of telemetry data from 4 devices is collected and sent upstream to client and service applications, supporting a program deployed to more than 10,000 units at clients including the VA, DoD, and private hospitals, cutting troubleshooting time nearly in half and shrinking MTTR by more than a third.

●Optimize database performance across MySQL, MSSQL, and Oracle platforms, writing complex SQL queries and Linux shell scripts to automate schema tuning. Implemented strategic indexing and query refactoring, cutting report generation time from 40 minutes to 50 seconds. Enabled analytics team to process 500K+ records with sub-second query response.

●Build ETL/ELT pipelines extracting data from multiple SQL sources (MySQL, MSSQL, Oracle SQL) using cloud data tools, transforming raw healthcare data into actionable analytics that generated $800K in revenue impact through Power BI dashboards.

●Implement device communication logic controlling medical device functions (camera pan/tilt/zoom, microphone control). Engineered firmware-to-backend integrations using Node.js and JavaScript with WebSocket communication supporting WebRTC protocols for reliable streaming.

●Automated PHI-compliant data workflows using Python scripts and Linux cron jobs, maintaining regulatory compliance while holding monthly system downtime under 25 minutes.

●Lead code reviews enforcing secure coding practices for REST API design, encryption, access control, and data protection. Mentored junior engineers on Spring Boot application tasks, microservices architecture, and healthcare compliance requirements.

●Develop and maintain data visualizations using Power BI dashboards supporting product launches and operational insights. Created self-service analytics platform enabling business teams to cut manual reporting time by more than two-thirds and speed decision-making velocity.

Tech Stack: Java, Spring Boot, MySQL, MSSQL, Oracle SQL, SQL, Linux, Node.js, JavaScript, HTML5, CSS3, REST APIs, WebRTC, WebSocket, OAuth 2.0, Microservices, Git, JIRA, Python, Power BI, Azure (Data Factory, Synapse Analytics)

Codeup San Antonio, Dallas

Coding Bootcamp Jun 2021 – May 2022

●Completed intensive 22-week full-stack web development bootcamp mastering Java, Spring Boot, React, Node.js, and database technologies. Built 10+ full-stack applications from concept to deployment demonstrating proficiency across the entire development lifecycle.

●Developed full-stack applications with Java Spring Boot backends and React frontends. Implemented RESTful APIs, OAuth 2.0 authentication, database design with SQL, and responsive web interfaces.

●Built real-time web applications using JavaScript, WebSocket communication, and Node.js backend services. Implemented live data updates and interactive user experiences.

●Designed and optimized relational database schemas using MySQL and Oracle SQL. Implemented complex queries, strategic indexing, and data persistence layers supporting application workflows.

●Deployed applications to cloud platforms using Docker containerization. Configured automated testing, logging, and monitoring for production reliability.

●Collaborated in agile team environments on group projects using Git version control, code reviews, and sprint planning. Practiced professional software development standards and secure coding practices.

●Demonstrated full-stack problem-solving delivering complete applications with React frontend, Java/Node.js backend, SQL database persistence, and cloud deployment. Capstone project: Healthcare monitoring dashboard using Spring Boot and React with real-time data processing.

Tech Stack: Java, Spring Boot, MySQL, Oracle SQL, React, Node.js, JavaScript, HTML5, CSS3, REST APIs, WebSocket, OAuth 2.0, Git, Docker

EDUCATION:

●Master of Science in Information Systems – Data Science New Jersey Institute of Technology

●Bachelor of Science in Software Engineering San Jose State University

AWARDS & RECOGNITION:

●Sales Kickoff Impact Award – Caregility

●Annual Impact Award – Caregility

Contact this candidate