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Results-driven software engineer with over 20 years of experience designing, developing, and optimizing Java-based SaaS web applications, system architectures, and API-driven integrations. Adept at modernizing legacy systems, upgrading Java JDK versions, managing third-party dependencies, and implementing security and vulnerability mitigations. Proven expertise in troubleshooting and optimizing critical system functions, including JVM memory tuning, heap and thread dump analysis, and database performance tuning. Skilled in building scalable, high-performance applications by leveraging modern cloud infrastructure, CI/CD pipelines, and DevOps best practices. Passionate about solving complex technical challenges, improving system reliability, and enhancing application functionality and performance to drive business success. Technical Expertise: Backend Development: Java, Spring Boot, JPA, Hibernate, Tomcat, REST APIs, Maven Cloud & Infrastructure: AWS (EC2, S3, RDS, SES, Cognito, CodeDeploy, Lambda, Security Groups), Google Cloud Frontend Development: JavaScript, React, Angular, jQuery, DataTables, HTML, CSS, Bootstrap Database Management: SQL - MySQL, SQL Server, Postgres, JDBC, Liquibase DevOps & Automation: CI/CD Pipelines, AWS CodeDeploy, BitBucket Pipelines, GitHub, GitLab, Docker, JIRA, Jenkins

Over 20 years of experience in planning, developing and implementing various information technology and CRM solutions across Institutions.  Salesforce Certified Administrator. •Over 5 years of implementing customized CRM solutions to various clients like Verizon, Allianz Re-Insurance . •Automated Service, Sales and marketing processes using Salesforce Lightning flows, AI Agentforce and APEX/Visualforce • Implemented core Salesforce modules like Sales, Service, Financial, Health cloud for small businesses using Agile/Scrum methodologies • Integrated Salesforce with apps like Zoom, RingCentral, Box, Gmail using Zapier • Utilized Webservices/REST API to integrate Salesforce with third party applications. • Implemented Web to Lead, Web to Case and Email to Case channels. • Created OMNI Channel and Web Chat for customer service. • Built reports and dashboards to measure kpis. • Imported data into Salesforce using tools like DataLoader and workbench. • Implemented and created the full life cycle process for large-scale software development • Identified architectural improvements resulting in increased product reliability and responsiveness to new feature requests • Utilizing strong functional knowledge to drive product design • MS (Computer Science) , University of South Carolina, Columbia  Salesforce Certified Administrator  Sun Certified Programmer for Java 2 Platform  Sun Certified Web Component Developer for Java 2 Platform  Sun Certified Business Component Developer for Java 2 Platform  Project management for IT Profession TECHNICAL SKILLS • Java, J2EE, Java Servlets, JSP, JNDI, JFCs, EJB’s, Java Script, AJAX, Web services • Spring Webflow 2.5, STRUTS, Google Web Tool Kit, XML, XSL, ASP, .NET, Shell Scripts, JUnit • WebSphere 8.5, Tomcat, Web Logic 6.0, IIS, Silver Stream App Server, JRun, JWS • RAD 7.5, Eclipse, Visual Studio, JDeveloper, CVS, Clear Case, Stash, UML, Rational Rose • Oracle 11g, D2000, IBM DB2, MYSQL, MS SQL SERVER, MS ACCESS, Toad • Windows XP, IBM AIX and Unix (SUN SOLARIS 5.7), Silver Stream e-portal 2.2 • JIRA, Confluence, Cloud Services (PaaS), SalesForce Administration, APEX, Visualforce, LWC, AI Agentforce

More than 30 years in IT with 24 years in US having worked both onsite and offshore models. Services based design and solution architecture for web applications and mobile apps. REST and SOAP services design and development. Designed complex and intricate applications in insurance, finance, manufacturing, mortgage banking, e-commerce. Lead solution architecture from inception to deployment in agile delivery of applications in AI including OCR, NLP and ML. Working on state-of-art Machine Learning and Natural Language Processing projects with Python and Java frameworks like Stanford Core NLP, NLTK, Keras and Scikit learn. Manage, design and architect solutions in Insurance Brokerage area using MEAN stack and Spring Boot REST Services for diverse applications such as Vehicle Exposure and Loss Runs. Performed POC with document ingestion using Bytescout Document Parsers SDK to process and extract data from PDF into JSON. Create architecture document for Security DevOps tools like ThreatModeler, Whitehat and Blackduck. Lead Solution delivery of Loss Run for USA and Canada. Created system architecture design and provided solution analysis with Python and AngularJS UI Web Frameworks for Front-end of an AI/ML NLP Engine. Solution leader and architect for on-premise and cloud based frameworks and implementation using Unqork and Anaplan products. Integration with Salesforce, Data Warehouse and Qlikview. Reviewed Unqork Low Code/No Code Platform and did product analysis and guided the product manager on features and functions. Attended Unqork Create Conference and wrote a technical feature of product platform. Design architecture for generic Document Interface Mean stack web app and services on premise and on AWS cloud enablement. Evaluate Outlook drag n drop Plugin and Outlook Exchange REST API with AZURE AD Authentication and Exchange Online O365. Compared RASA and NIA AI NLU Frameworks for Chatbot development. Created Conceptual Architecture of Client Onboarding Systems with Salesforce and CLM tools like Conga/DocuSign/Apttus. Create UML models and Architecture Design in Enterprise Architect tool for REST API for Account Team Management as a shared service framework exposed via Apigee. Act as an architect supporting Digital Customer Portal integrating via REST API and Mongo DB hosted on AWS. Lead architecture design for REX and Credit systems. Research Smartsheet integration with REST API via custom webapp or web hooks. Worked on Azure Architecture of on-prem to hybrid migration. Worked on manual profiling of different sites to determine the optimum architecture support. Architecture design of a Python-web app framework with integration of a Machine-Learning Engine.

Hey there! I'm Andrew, a Senior Software Engineer with 𝟏𝟐+ 𝐲𝐞𝐚𝐫𝐬 of experience shipping production apps at 𝐀𝐩𝐩𝐥𝐞, 𝐆𝐨𝐨𝐠𝐥𝐞, 𝐇𝐄𝐁, and 𝐔𝐒𝐀𝐀. Currently at Apple building agentic AI infrastructure. I bring big-tech quality to every project, whether you're a startup racing to launch or an enterprise that needs senior-level help. WHAT I DELIVER • Full-stack web and mobile applications from idea to deployment • Agentic AI systems, RAG pipelines, and intelligent automation • Conversational Voice AI pipelines, including real-time text-to-speech and custom voice cloning • Cloud infrastructure that scales without breaking the bank • Internal tools, admin systems, and APIs built for performance and reliability TRACK RECORD • Apple (current): Lead CLI engineer on Apple's Agentic Platform Team. Building the control plane for deploying and managing AI agents and MCP servers at scale using LangGraph, Ray, and Kubernetes • Voice AI Architecture: Built and deployed end-to-end audio pipelines integrating cloud APIs (ElevenLabs) and self-hosted open-source models for ultra-low-latency, high-fidelity voice synthesis • Apple (previous): Shipped a Vue.js admin system with OAuth 2.0, a Go/gRPC cloud backend, and an iOS app for internal marketing ops • Google: Refactored an open-source tool used across hundreds of offices, saving billions in lost productivity • USAA: Led the Savings Booster product that moved $160M+/year into member accounts. 2 years, zero major bugs • HEB: Architected a NestJS microservices platform on GCP and led a 5-dev team to deliver a supply chain negotiation tool CORE STRENGTH • I think like a product owner, not just a coder. Smart architecture decisions early so you don't pay for them later • Led teams of 5-10 devs and shipped on deadline at companies where failure isn't an option • Clear communicator. I flag problems early, keep you in the loop, and treat your project like my own TECH STACK • ai/agentic: LangGraph, Ray, Claude Code, MCP, RAG pipelines, TensorFlow, ElevenLabs, Audio AI / TTS, Datadog, Grafana • frontend: React, Angular, Vue, TypeScript, Swift (iOS) • backend: Node.js, Go, Java, Python, NestJS, GraphQL, gRPC • cloud/devops: AWS, GCP, Azure, EKS, Kubernetes, Docker, CI/CD, Ansible • data: PostgreSQL, MongoDB, Kafka, Firebase If you've got a project that needs senior-level engineering and someone who actually cares about the outcome, send me a message. I'd love to hear what you're building.

Professional Summary: With over 20 years of expertise in full life-cycle software development, I excel in analysis, design, coding, testing, implementation, support, and maintenance. Known for my adaptability and quick learning, I am adept at mastering new domains, methodologies, paradigms, and technologies. A true team player, I bring a "can-do, will-do" attitude to every project, ensuring effective collaboration and innovative solutions to complex challenges. My latest review speaks for itself, "Paul did an outstanding job ... Superb work, timely, honest, knowledgeable, went above and beyond. Paul is meticulous in his approach. His work included helping specify the requirements, designing the solution, building and testing the software, fixing bugs and helping us deploy the solution. He was primarily focused in the areas of security (Spring), user management, UI development, persistence (hibernate), and exporting our data model to MS Excel. Paul was very fair in the accounting of his time. He was on time with all of his work. I'll likely engage him again without a doubt if/when needed." Skills: * Information Architecture (IA) * Domain Driven Design (DDD) * Object Oriented Design (OOD) * Object-Relational Mapping (ORM) * Object Oriented Programming (OOP) * SaaS development * Test Driven Design (TDD) * Unified Modeling Language (UML) * Unit Testing * User Experience (UX) * User Interface (UI) APIs: * Google Calendar * Google Maps * OpenAI * Sendgrid * TMDB Frameworks: * Vaadin * Spring Boot * Spring Security * JPA * Hibernate - ORM tool * Flowable - BPM tool * Quartz Scheduler * Rulebook * JUnit * mockito * vavr.io - functional programming for Java * Blaze-Persistence * OpenAI-Java Tools: * Android Studio * Intellij IDE * GitHub * Bitbucket * Jira * Confluence * PlantUML - UML diagramming tool * DBeaver - Universal Database Manager

🅷🅴🆈 👋 Hi! I’m a veteran full stack developer, mobile app developer, and team lead leading a senior long-term team capable of taking products from idea → launch → scale → maintenance. I’ve been in professional software development for 25+ years and mobile app development for 17+ years, delivering scalable iOS Development, Android App Development, Flutter, React Native, and backend-driven platforms across startups, SaaS products, enterprises, and high-growth mobile ecosystems. Clients usually come to us when they need more than just coding - they need a technical partner who understands architecture, business logic, scalability, monetization, and long-term product growth. As a mobile application developer, ios developer, android developer, flutter developer, and full stack developer, I specialize in building high-performance native and cross-platform mobile apps used by millions of users worldwide. I work with native iOS development using Swift, SwiftUI, UIKit, and Objective-C, native Android development with Kotlin and Java, as well as Flutter, React Native, and hybrid app development for scalable cross-platform delivery. Over the years, I’ve helped build 700+ apps across fintech, healthcare, social networking, education, entertainment, e-commerce, IoT, and enterprise SaaS. My experience covers the full mobile app development lifecycle - system architecture, UI/UX implementation, backend development, API Integration, DevOps, deployment, scaling, optimization, and long-term product evolution. 🏆 Why Clients Choose Me ✔️ 25+ years as a full stack developer and software architect
 ✔️ 17+ years in mobile app development
 ✔️ 700+ mobile apps delivered across iOS, Android, Flutter & React Native
 ✔️ Expertise in native app development, hybrid app development, and scalable backend systems
 ✔️ Reduced crash rates by up to 70% and improved app performance by 50% on production apps
 ✔️ Built mobile platforms used by 5M+ users worldwide
 ✔️ Strong experience with Mobile App Improvement, Mobile App Bug Fix, and modernization projects
 ✔️ Long-term experience with startups, SaaS companies, enterprises, and Fortune 500 clients
 ✔️ Full-cycle delivery: architecture → development → deployment → scaling → support 📱 Native iOS & Android Development • Native iOS Development with Swift, SwiftUI, UIKit, Combine, Objective-C • Native Android App Development with Kotlin, Java, Jetpack Compose • Smartphone app optimization for performance, UX, and scalability • Clean Architecture, MVVM, VIPER, modular app structures • Device integrations: BLE, GPS, biometrics, camera, sensors, HealthKit, Google Fit • App Store & Google Play deployment pipelines • Multi-language apps with localization and accessibility support • Advanced performance optimization and memory management 🔁 Cross-Platform & Hybrid App Development • Flutter developer expertise for scalable cross-platform products • React Native development with custom native module integrations • Kotlin Multiplatform Mobile (KMM/KMP) • Shared business logic across iOS and Android • Adaptive UI systems and responsive mobile layouts • Cross-platform architectures reducing development time by 40–60% 🔧 Backend, API Integration & Infrastructure • REST API and GraphQL API Integration • Firebase, Node.js, PHP, and scalable backend services • Authentication systems, caching, offline sync, token management • SQLite, Room, Realm, Core Data • Push notifications: FCM, APNS, OneSignal • Real-time chat, geolocation systems, dashboards, and live data platforms • Backend-connected mobile ecosystems with scalable cloud infrastructure ⚙️ DevOps, CI/CD & Delivery • Fastlane, GitHub Actions, Bitrise, Firebase App Distribution • Automated testing and deployment pipelines • Beta testing, crash analytics, staged rollouts • CI/CD optimization for faster and safer release cycles • AWS and scalable cloud deployment workflows 📊 Analytics & Monetization • Firebase Analytics, Mixpanel, Amplitude, Google Analytics • In-app purchases, subscriptions, AdMob, Facebook Ads • Retention optimization and funnel analytics • Data-driven product iteration and growth optimization 🔌 Advanced SDK & Hardware Integrations • AVFoundation, CameraX, Core Bluetooth, Core Motion • Stripe, Twilio, Agora, Sendbird, Mapbox, OpenCV • IoT dashboards, BLE integrations, voice/video systems • Camera-heavy and sensor-based mobile applications 🌍 Industries Served • Fintech & Banking • Healthcare & Fitness • E-commerce & Retail • Smart Home & IoT • Education & E-learning • Social Networking • Travel & Hospitality • Entertainment & Media • SaaS & Enterprise Platforms ✅ Let’s Build a Mobile Product That Scales!