Spring Boot Data Intelligence

SAMIR KUMAR

SUMMARY:

Software Architect with *0+ years of expertise in Java 11+, Spring Boot, Microservices, REST APIs, and Cloud-Native Architecture. Proven track record designing and deploying scalable, event-driven systems on AWS (EC2, Lambda, S3, RDS, DynamoDB, Elastic/Open-Search) with Kafka, Docker, Kubernetes, and modern frontends (React/Angular 13).

Specialized in multi-platform mobile app development, connected vehicle/telematics solutions, media streaming, cloud-native architectures, and integrating LLMs and Generative AI for advanced data intelligence.

Proven leadership in building secure, scalable, and high-performance applications for automotive, fintech, healthcare, enterprise SaaS, and telecom companies including Microsoft, PayPal, NetApp, Intuit, Verizon, Cox-Automotive, Intel, Navistar/International etc. driving digital transformation through AI, mobility, and modern DevOps practices.

KEY AREAS OF EXPERTISE:

End-to-End Solution Architecture leveraging cloud infrastructure.

Full-Stack Development: Java 11+, Spring Boot JavaScript (ReactJS/NodeJS) REST/GraphQL APIs Python

Event-Driven Architecture: Kafka, Redis, RTI DDS, Messaging Queues

Database Expertise: PostgreSQL, MySQL, MongoDB, Oracle, DB2

Enterprise Architecture & Security: OAuth2, SSO, API Gateways, DevOps CI/CD

Cross-Industry Solutions: Banking, Telecom, Healthcare, Automotive, Retail

Mobile Apps Development: React Native, Android/iOS SDKs, Kony/Temenos/Volt MX Xamarin

LLM & GenAI Integration: OpenAI, Gemini, Vertex AI, Dialogflow

Data Intelligence: Real-time analytics, OpenSearch/Elasticsearch, Redis, Kafka, Apache POI

Cloud-Native Architecture: AWS, Azure, GCP, Microservices, DevOps & CI/CD

EXPERIENCE:

2023 to VERIZON INC, Sales Intelligence Platform

Present Technical Architect - Data Intelligence (Contractor from MSR Technology Group)

Full-stack app for Sales and Data Intelligence

Architected Spring Boot + React-based data intelligence platform with AWS deployment.

Built microservices exposing REST APIs for enterprise integrations (Apigee, Salesforce, Tableau, Pega, VertexAI).

Enhanced scalability, high availability, and security using OAuth2/SSO and containerization.

Developed modern mobile and web app using React stack, Spring Boot, PostgreSQL, and AWS/GCP enabling real-time insights and seamless integration with enterprise systems via Apigee-published APIs.

Architected a high-performance search solution using OpenSearch AWS service, Spark, enabling fast, scalable querying across 200+ million records with complex, multi-field business data with continuous daily data ingestion. Architected and proposed a data ingestion solution for real-time streaming pipeline with Kafka & Spark on AWS OpenSearch, handling 200M+ records.

Published and managed APIs for integration with LLMs (Gemini, Vertex AI) to power AI-driven summaries, smart search, and campaign insights,

Created Apache POI based reporting tools for efficient and scalable report generation.

Integrated Enterprise systems like Pega, SAP, Cresta-AI, Gemini, Tableau, Salesforce, secured with OAuth2/SSO for unified access and compliance.

2021 to COX AUTOMOTIVE, Vehicle Bidding & Inventory Search Mobile Apps

2022 Software Consultant – Mobile Apps (Contractor from MSR Technology Group)

Mobile and Web apps with 3rd party SDK integrations

Developed and modernized Manheim and Manheim Express mobile apps for iOS and Android, enabling seamless vehicle listing and bidding for ~140K monthly buyers in Cox Automotive’s wholesale marketplace, integrating VIN scanning, 360-degree imaging with Fyusion technology, and real-time data APIs to achieve under 3-minute listing times and 99% transaction reliability.

Developed and enhanced React Native apps for iOS/Android and web frontend in React.

Developed and enhanced backend-for-frontend (BFF) using NodeJS/GraphQL/AWS-Services – Dynamo DB, Lambda, SQS.

Integrated AWS services, 360 vehicle view, scanning, analytics with Adobe, New Relic.

Modernization mobile app UI and automated app-publishing, forking features into cloud and mobile utilizing cloud services, GraphQL.

Analyse and optimize mobile app performance using platform instrumentation tools - Android Profiler; led integration of static analysis tools (SonarQube) and mobile security scanners.

2021 to FORD NEXT LLC, Industrial IOT Dashboard

2022 Consultant (Contractor from MSR Technology Group for Middleware, IoT and and Web)

MVP for plant vehicle movement visualization delivered in 15 weeks.

Architected a real-time IoT dashboard for plant vehicle movement visualization by building UI in ReactJS and backend with RTI DDS, Redis, NodeJS, Python for high-speed data caching and real-time processing.

Containerized microservices with Docker and automated GeoTIFF data extraction using python.

2020 to BCBSA, Healthcare Platform Modernization

2021 Software Architect (UST Inc)

Developed and enhanced Java-based claims management application with messaging queue, DB2 database on IBM WebSphere for Blue Cross Blue Shield Association, processing millions of out-of-state and out-of-network claims for 100M+ members, integrating exchange APIs, processing message queues and optimizing transaction throughput to achieve 99.9% reliability.

Modernized legacy WebSphere applications by re-architecting them into microservices and microapps using Java 11, Angular 12, AWS cloud services, and MySQL, enabling scalable, cloud-native deployments.

Designed cloud-native, scalable architectures with Angular frontend + AWS services + MySQL.

Developed and optimized complex ETL workflows in Informatica, orchestrating data extraction from Oracle and DB2, applying transformations, and scheduling automated batch processes for seamless data integration.

04/20 to SMART RETAIL SOLUTION – RETAIL STORE CHAIN

07/20 Software Architect (UST Inc)

Integrated Intel’s CloudPick AI-based retail automation platform with Klarna’s payment gateway, delivering a seamless checkout experience across mobile and web platforms.

Developed a robust backend using Spring Boot to expose REST APIs for user management, product catalogue, transactions, and Klarna integration.

Implemented OAuth2-based authentication, role-based access control, and data persistence with a MySQL database, certificate pinning, secure storage, biometric authentication.

Developed mobile apps for iOS and Android in React Native and web app front end in ReactJS.

2017 to IOT BASED CONNECTED VEHICLE SOLUTION FOR NAVISTAR/INTERNATIONAL

2020 Mobile Solutions Lead(Software Architect – UST Inc)

Led mobile solutions for Navistar’s connected vehicle platform, integrating IoT-based telematics for vehicle diagnostics, HOS compliance, tracking, geofencing, and OTA updates using Android Native, Appcelerator, and Azure services with app connectivity over Wi-Fi, Bluetooth.

Involved in app modernization for mobile and web. Migrated 3 mobile apps leveraging new authentication with Azure AD, Azure cloud features, BFF on Azure functions, data sync mechanism, analytics, MDM integration, Bluetooth stacks, device communication.

Architected modular, reusable SDKs for iOS (Objective-C) and Android (Java) as part of optimization; enforced Clean Architecture and MVVM design patterns across reusable components.

Developed and enhanced a dealer app for Truck Diagnostics to create a Write-Up utilizing Native Android SDK, Appcelerator cross-platform development.

Integrated Firebase Crashlytics and Google Analytics; built dashboards for real-time health and user behavior metrics for mobile frameworks.

Introduced Jmeter based performance test for APIs and benchmarked.

Designed secure APIs and JWT/OAuth frameworks, modernized legacy apps into a microservices-based platform, and evaluated cross-platform tools to enhance scalability and reduce cost.

2014 to MOBILE AND WEB APPS FOR NETAPP

2017 Software Architect – UST Inc

Migrated native apps to multiplatform development framework – Kony(Temenos Quantum/Volt-MX) and Xamarin (MAUI)

Developed and supported Enterprise Apps in Java and migrated WebLogic and Oracle based legacy apps to microservices and angular.

Developed and ported multiple mobile apps for Customer support and Enterprise mobility integrating services from SAP, Ticketing tool, Salesforce using a BFF middleware on Android and iOS using native-SDK and Kony platform.

Developed reusable components for use in apps – proprietary logins and session management, storage and encryption, calendar etc.

Managed production support activities, including scheduled deployments on WebLogic Server, mobile app releases to App Store and Google Play, usage analytics monitoring, and resolution of performance and functional issues to ensure high availability and reliability.

Designed a solution for maintaining license information for new class of storage devices and integrating with the legacy system for product support.

2016 WALLET MOBILE APP FOR PAYPAL

Software Architect – UST Inc US/India

Supported app DevOps activities, test automation, APIs, and CI/CD integration activities for the mobile wallet app of one of largest payment organization.

Extended test automation framework for android and iOS.

Mentored a 10 member team in offshore to support QA Automation, DevOps, development environment support.

11/15 to VIDEO STREAMING APP (IPTV) FOR QUICKPLAY, SUBSIDIARY OF ATT

03/16 Software Architect / UST Global, India

QuickPlay (now part of AT&T) is a leading IPTV managed services provider delivering premium multi-screen video—including live TV, VOD, and radio—to IP-connected devices. Its OpenVideo platform powers services for major carriers like AT&T, Verizon, Bell, and Airtel. The engagement focused on transitioning and supporting L2/L3 development for complex IPTV technologies across multiple carriers and geographies.

Led end-to-end project transition and L2/L3 support for multimedia IPTV applications across iOS, Android, and Java-based STB middleware, overseeing production support, release lifecycle, and seamless onboarding of new clients.

Enhanced IPTV apps by integrating DRM libraries, optimizing video playback engines, and implementing performance diagnostics using iOS/Android SDKs, Angular, and tools like New Relic, Charles Proxy, and Wireshark for real-time analysis and tuning.

Mentored a 12 member team to support the app from offshore on all channels – mobile(native iOS and Android), web(Angular,) multimedia middleware(Java), Test Automation.

2014 to MOBILE BANKING APP: - STATE BANK OF INDIA

2015 Software Architect- UST Inc/India

Spearheaded and architected retail banking mobile applications for over 20 million users, leveraging Kony Cross-Platform Framework (Javascript based tool to generate multiplatform builds) and native mobile SDKs (iOS/Android), achieving successful deployment across 12 mobile platforms with optimized performance and scalability.

Introduced Java based middleware with REST APIs for mobile retail banking for efficient mobile interaction.

Ensured PCI-DSS and ISO 20022 compliance for financial-grade mobile apps with 3rd party service integration.

Implemented secure storage, encryption, extra layer of encrypted communication.

Streamlined app publishing aligned with modern DevOps practices, introduced test-automation, test build to subscribed devices, analytics.

01/14 to PAYER APP FOR OPTIMA-HEALTH INC, US

11/14 Software Architect / UST Global India

OptimaHealth, a service arm of Sentara is provider of health care insurance. The solution is a Payer app for the members covered under insurance.

Architected and delivered an end-to-end HIPAA-compliant healthcare payer solution across mobile (iOS/Android) and web platforms, leveraging AWS Cloud for backend infrastructure.

Engineered secure, scalable REST APIs to interface with on-premises legacy systems, enabling seamless integration for benefits management, member enrolment, provider directory, and drug formulary search.

Implemented best practices for data privacy, encryption, and audit logging, aligning with HIPAA regulatory standards and enhancing security posture across cloud and mobile touchpoints.

Led cross-functional teams through design, development, and deployment phases, ensuring a unified experience across platforms while maintaining compliance and performance.

07/13 to EMDEON INC, US

03/14 Software Architect / UST Global India

Emdeon is a healthcare software provider company based out of US. The solution was an expert system for Healthcare IT enabled mobility solution under tight regulatory compliance (HIPAA, FDA Etc.) focused on health care professionals for assessing the patients for federal, state and charitable trust laws.

Architected and implemented an end-to-end HIPAA-compliant expert system on web and mobile platforms for assessing patient eligibility for financial assistance under federal, state, and charitable trust programs, with offline sync and smart client capability.

Developed Android mobile app with smart client feature using Android Native, SQLite, Kony and data sync feature enabling seamless offline operation with efficient data modeling and synchronization logic.

2010 to MICROSOFT MOBILE OFFICE – MICROSOFT, India

2011 Consultant SDE

Ported legacy Microsoft Office code to modern C++ with Arm compatibility for modern mobile platforms.

Integrated with multi-platform library Qt following MVVM pattern for mobile platforms and optimized the performance.

2008 to LBS Platform And Navigation Software For Telecommunication Systems, CA

2010 Consultant

Led core development and optimization initiatives for TCSys's Location-Based Services (LBS) platform powering offboard GPS navigation and map services across multiple carriers and geographies.

Enhanced and Internationalized TCSys’s Unix-based LBS Mapping Server, adding support for new services, geographies, and multi-language capability to scale platform across North America, Western Europe, and India.

Accelerated spatial map data processing pipeline for converting raw GIS data (TeleAtlas, Navteq) into proprietary formats optimized for high-speed navigation, routing, and rendering. Reduced data conversion cycle from 7 days to under 2 days through algorithm optimization in C++ and Java on Solaris (Unix).

Ported LBS server components to iOS, leveraging C++, iOS SDK, and proprietary compression libraries to deliver compact, high-performance geospatial data modules for offboard navigation on iPhone platforms.

Created turn by turn navigation client app on iOS with offline data capability with native sdk, OpenGL for fast rendering of map graphics.

Engineered geospatial data compaction and conversion tools for mobile clients using low-memory footprints and improved real-time routing responsiveness.

Optimized GPS-based car navigation apps like VZNavigator (for Verizon) and AtlasBook (carrier-independent), enhancing performance, route accuracy, and UI responsiveness across platforms.

Collaborated across teams on feature rollout, testing, and release management for commercial navigation services with millions of users.

PROFESSIONAL EXPERIENCE:

12/21 to present MSR TECHNOLOGY GROUP, USA

Software Engineering Consultant

Led full-stack development of enterprise-grade solutions across sales intelligence, connected vehicles, and industrial IoT, delivering modern web/mobile apps using Angular 13, React, React Native, Spring Boot, NodeJS, and AWS/GCP, with advanced integrations like LLMs (Gemini, Vertex AI), ElasticSearch/OpenSearch, 360 imaging, and OAuth2/SSO, supporting real-time analytics, API publishing (Apigee), and platform modernization for Fortune 500 clients including Verizon, Cox Automotive, Ford.

07/13 to UST INC. USA

11/21 Software Architect

Architected and delivered mobile, IoT, and cloud solutions across industries including automotive (connected vehicles), retail (Intel CloudPick), media (IPTV), banking, and healthcare, leading platform modernization, multi-platform app development, and integration with telematics, cloud (Azure/AWS), and enterprise systems.

02/10 to TATA CONSULTANCY SERVICES, India

07/13 Software Consultant

Directed software design and development consultancy across platform products, enterprise mobility, and mobile applications, leading a dedicated mobility lab focused on SAP and Salesforce solutions.

Delivered high-impact projects including porting Microsoft Office to modern C++ for mobile platforms, enhancing Xerox knowledge management systems, and building wireless printing apps for Fuji-Xerox with AD integration.

Engineered low-level solutions such as Linux kernel porting for complex SoCs and automation frameworks for semiconductor device communication, while mentoring teams and driving pre-sales PoC development.

12/07 to GLOBAL LOGIC INC. India

01/10 Associate Consultant

Led core development and optimization of TCSys’s Location-Based Services (LBS) platform and navigation software, enhancing international mapping servers, accelerating GIS data pipelines (7 2 days), porting components to iOS, and delivering high-performance navigation apps (e.g., VZNavigator) across carriers and geographies, supporting millions of users.

Pre-sales, Consulting start-up firms, developing prototypes and solutions for Symbian and Windows-Mobile based mobile devices, preparing proposals and providing technical support to pre-sales team in estimating and finalizing the product scope and design for multiple clients.

07/06 to HCL TECHNOLOGIES - Consumer Electronics

12/07 Lead Engineer

Designed, ported and optimized Multimedia SDKs, streaming engines, and IPTV apps for mobile devices, including automation frameworks that improved playback performance and testing efficiency.

Mentored engineering teams in Windows and mobile development, strengthening technical expertise and accelerating project delivery.

07/04 to INNODATA ISOGEN

07/06 Software Engineer

Engineered applications on Windows/macOS for document digitization and file format conversion, leveraging Windows SDK, Adobe PDF Library, and QuarkXPress SDK to transform complex formats (e.g., PSD, INDD) into web/print-optimized outputs (PDF, PNG, JPEG, TIFF).

Developed advanced image processing pipelines using LeadTools and open-source imaging, word processing suites ensuring print/web compliance.

EDUCATION:

Recent Coursework: Statistics for Data Science, (2022)

University of Chicago

Master in Computer Application

Makhanlal National University, Bhopal, India

BSc (Hons.) in Physics

Vinoba Bhave University, India

CERTIFICATION AND TRAINING

AWS Certified Cloud Practitioner

Machine learning - Machine Learning by Stanford University (Coursera - License HVFZ3LVJ9AQ6)

AI/GenAI Courses – Vertex AI, OpenAI, Dialogflow, Azure AI, AWS AI

Cloud platforms - AWS, Azure, GCP

Project Management – PMP, TOGAF,ITIL trained

TECHNICAL SKILLS:

Languages: Java, JavaScript, C#, Swift, C/C++, Kotlin, Python

Frontend: ReactJS, React Native, HTML, CSS, JavaScript

Backend: Java (Spring Boot), NodeJS, .NET, GraphQL, RESTful APIs

Mobile: Android, iOS, React Native, Xamarin, Flutter, Kony/Volt MX

Databases: PostgreSQL, Dynamo DB, MongoDB, MySQL, SQL Server, DB2, Oracle

Big Data & Analytics: Apache Spark, Hadoop, Elastic Search, OpenSearch

Messaging: Kafka, Redis, RTI DDS Connector, IBM MQ

Security: OAuth2, JWT, SSO, SAML, API Gateways

Testing: JUnit, Jest, Selenium, JMeter

Cloud Platforms: AWS (Lambda, Dynamo DB, Aurora, OpenSearch, EKS, API Gateway, EC2), GCP (Vertex AI, Cloud Run), Azure (Functions, CosmosDB, Iaas, Paas, Insights, Language Understanding, Cognitive Services)

DevOps: Docker, Jenkins, GitHub Actions, GitLab, Veracode, SonarQube, Terraform

Monitoring: New Relic, Splunk, Adobe Analytics

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