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I'm a Full Stack Software Developer with 4+ years of hands-on experience building scalable backend systems, RESTful APIs, and full-stack applications across IoT and enterprise IT services. I'm proficient in Java (Java 11), Spring Boot, Microservices, SQL, and AWS cloud technologies (Lambda, Step Functions, CDK, CloudFormation). I thrive in Agile environments, with strong CI/CD automation and API performance testing skills, delivering cloud-native architectures that are secure and observable. I'm adept at integrating device-to-cloud ecosystems, ensuring GDPR compliance, and delivering high-impact solutions that improve operational efficiency and system observability. I earned a Master’s degree in Information Technology from Arizona State University.…I'm a Full Stack Software Developer with 4+ years of hands-on experience building scalable backend systems, RESTful APIs, and full-stack applications across IoT and enterprise IT services. I'm proficient in Java (Java 11), Spring Boot, Microservices, SQL, and AWS cloud technologies (Lambda, Step Functions, CDK, CloudFormation). I thrive in Agile environments, with strong CI/CD automation and API performance testing skills, delivering cloud-native architectures that are secure and observable. I'm adept at integrating device-to-cloud ecosystems, ensuring GDPR compliance, and delivering high-impact solutions that improve operational efficiency and system observability. I earned a Master’s degree in Information Technology from Arizona State University.

Abhinay Mangasamudram

Front-End Developer, Back-End Developer, Full Stack Developer, +3

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I'm a Full Stack Software Developer with 4+ years of hands-on experience building scalable backend systems, RESTful APIs, and full-stack applications across IoT and enterprise IT services. I'm proficient in Java (Java 11), Spring Boot, Microservices, SQL, and AWS cloud technologies (Lambda, Step Functions, CDK, CloudFormation). I thrive in Agile environments, with strong CI/CD automation and API performance testing skills, delivering cloud-native architectures that are secure and observable. I'm adept at integrating device-to-cloud ecosystems, ensuring GDPR compliance, and delivering high-impact solutions that improve operational efficiency and system observability. I earned a Master’s degree in Information Technology from Arizona State University.…I'm a Full Stack Software Developer with 4+ years of hands-on experience building scalable backend systems, RESTful APIs, and full-stack applications across IoT and enterprise IT services. I'm proficient in Java (Java 11), Spring Boot, Microservices, SQL, and AWS cloud technologies (Lambda, Step Functions, CDK, CloudFormation). I thrive in Agile environments, with strong CI/CD automation and API performance testing skills, delivering cloud-native architectures that are secure and observable. I'm adept at integrating device-to-cloud ecosystems, ensuring GDPR compliance, and delivering high-impact solutions that improve operational efficiency and system observability. I earned a Master’s degree in Information Technology from Arizona State University.

Available to hire

I’m a Full Stack Software Developer with 4+ years of hands-on experience building scalable backend systems, RESTful APIs, and full-stack applications across IoT and enterprise IT services. I’m proficient in Java (Java 11), Spring Boot, Microservices, SQL, and AWS cloud technologies (Lambda, Step Functions, CDK, CloudFormation). I thrive in Agile environments, with strong CI/CD automation and API performance testing skills, delivering cloud-native architectures that are secure and observable.

I’m adept at integrating device-to-cloud ecosystems, ensuring GDPR compliance, and delivering high-impact solutions that improve operational efficiency and system observability. I earned a Master’s degree in Information Technology from Arizona State University.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer / Data Engineer at HCL Tech

April 1, 2025 - November 3, 2025

Developed and deployed scalable Python (FastAPI, Django REST Framework) microservices on Microsoft Azure, modernizing Capital One’s loan origination platform to handle 250K+ monthly applications with improved reliability. Migrated legacy monoliths to containerized microservices on Azure Kubernetes Service (AKS), enhancing horizontal scalability and reducing downtime during peak traffic by 32%. Implemented event-driven data exchange across loan, payment, and fraud modules using Azure Event Hub and Azure Service Bus, reducing API bottlenecks by 40%. Built secure REST and gRPC APIs with OAuth2.0, JWT, and Azure Active Directory (AAD) for authentication and RBAC. Designed real-time fraud detection pipelines using Cosmos DB, PostgreSQL, and Azure Functions, cutting query latency from 700ms to 180ms. Orchestrated ETL/data processing with Pandas, PySpark via Azure Data Factory for faster credit score aggregation, cutting nightly processing time by 60%. Built document processing with Azure C

Software Engineer Intern at CVS Health

December 31, 2024 - December 31, 2024

Developed Java Spring Boot microservices for the Prescription Management Portal, improving API response times by 30% and streamlining data exchange between pharmacy and insurance systems. Built interactive React.js and TypeScript components for the patient dashboard, enabling real-time prescription tracking and boosting page responsiveness by 25%. Integrated REST APIs with Axios/Redux and ensured secure authentication with Spring Security and OAuth2. Collaborated with designers to enhance UI/UX accessibility using HTML5, CSS3, and Material-UI to meet WCAG guidelines. Participated in Agile sprints, conducted code reviews, wrote unit tests (JUnit, Mockito, Jest), and supported CI/CD deployments via Jenkins and GitHub Actions.

Software Developer at Hexaware Technologies

December 31, 2022 - December 31, 2022

Contributed to HexaPay, a cloud-based payment and reconciliation platform, delivering REST APIs with FastAPI (and Django REST Framework) for payment authorization, invoice processing, and refunds with sub-200 ms latency under load. Built microservices using FastAPI and Redis for session caching and asynchronous tasks, increasing throughput and API concurrency by 35%. Optimized PostgreSQL schemas and queries for transactional and analytical workloads, improving query performance by 40% and ensuring data consistency. Implemented Celery-based background jobs (bulk reconciliation, notifications) reducing synchronous load. Created ETL pipelines with Pandas and SQLAlchemy to process daily settlements with 99.8% accuracy. Integrated Stripe, PayPal, Razorpay, and SAP for settlements. Built admin dashboards with React and Chart.js; secured APIs with OAuth2/JWT and RBAC; deployed containerized services with Docker, Kubernetes on AWS EKS; automated CI/CD via Jenkins. Added ELK stack monitoring an

Software Developer Intern at Metasystems Inc.

September 30, 2020 - September 30, 2020

Developed a React.js web client for the Neon imaging portal enabling lab users to browse, filter, and tag cases with faster loading times (~30% faster). Built an image viewer using JavaScript/HTML5 canvas and WebGL supporting zoom, pan, layers, and annotations. Integrated frontend with backend REST APIs for metadata retrieval and search; implemented lazy loading and caching to reduce client latency by ~20-25%. Collaborated with UX to implement responsive dashboards, accessibility (ARIA, keyboard navigation), and UI to meet lab standards. Improved performance with code splitting and lazy loading.

Full Stack Software Developer at HCL Tech

April 1, 2025 - Present

Designed and delivered scalable full-stack web applications and cloud-native platforms for enterprise clients, supporting high-volume financial and imaging workflows. Built backend microservices with Python (FastAPI, Django REST Framework) and Node.js, exposing secure REST and gRPC APIs with OAuth 2.0 and JWT. Migrated legacy monoliths to Docker- and Kubernetes-based microservices, boosting scalability and reducing downtime by 32%. Architected event-driven systems with Azure Event Hub/Service Bus to improve throughput and decouple services. Optimized SQL/NoSQL data models, and built data pipelines (Pandas, PySpark) orchestrated via Azure Data Factory, reducing batch processing time by 60%. Implemented Azure Functions and monitoring tools for reliability. Built responsive front-end with React/TypeScript and delivered performant dashboards. Automated CI/CD with GitHub Actions, Azure DevOps, and Terraform, reducing rollback incidents by 67%.

Software Developer Intern at CVS Health

September 1, 2024 - December 1, 2024

Developed Java Spring Boot microservices for the Prescription Management Portal; improved API response time by ~30%. Built interactive React/TypeScript components for the patient dashboard; integrated REST APIs; implemented authentication and access control using Spring Security and OAuth2 to ensure HIPAA-compliant data handling. Collaborated on UI/UX accessibility improvements and participated in Agile sprints, including unit testing and supporting CI/CD deployments.

Full Stack Software Developer at Hexaware Technologies

October 1, 2020 - December 1, 2022

Developed and maintained RESTful APIs enabling secure device-to-cloud communication for smart appliances, managing firmware updates, telemetry, diagnostics, and third-party integrations. Led UI integration across embedded and mobile interfaces, designed and deployed IoT environments with AWS (Lambda, Step Functions, CDK, CloudFormation). Improved CI/CD efficiency with data-driven test suites, reducing deployment effort by 20% and accelerating QA cycles by 40% via enhanced simulation tools. Migrated pipelines to JDK 11, enhancing GDPR compliance and reducing tech debt.