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With over 10 years of hands-on experience in Java, Struts, Spring, Spring Boot, and Liferay development, I specialize in building scalable, high-performance applications across various domains. I am proficient throughout the entire development lifecycle from initial design and coding to testing and deployment, with a focus on delivering solutions that exceed client expectations. My expertise includes: • Java/J2EE and Liferay Portal Development: Designing and developing robust applications using Java-based technologies. • Frameworks & Technologies: In-depth knowledge of Struts, Spring, Spring Boot, JPA, Hibernate, and Liferay, with a strong emphasis on creating scalable, maintainable solutions. • Agile Methodology & Project Management: Extensive experience in managing end-to-end development projects, ensuring timely delivery while adhering to strict budgets and coding standards. • Team Leadership: Proven success in leading and motivating cross-functional teams to deliver high-quality applications under tight deadlines. • RESTful Services Development: Hands-on experience in creating REST APIs using Spring and Jersey. • Frontend Technologies: Proficient in jQuery, YUI3, ExtJS, HTML5, CSS3, Bootstrap, and KnockoutJS, ensuring seamless user experiences. I am known for my strong problem-solving abilities, my attention to detail, and my capacity to work effectively under pressure. Whether collaborating with clients, leading teams, or handling complex technical challenges, I am committed to delivering results that drive business success.

Healthcare Integration & Product Development: I specialize in designing and delivering end-to-end healthcare interoperability and digital health solutions. My expertise includes integrating EHRs, EMRs, RIS, LIS, Telehealth platforms, RPM systems, AI applications, Medical Devices, laboratory analyzers, and LIMS using HL7 v2, FHIR R4, REST APIs, JSON, XML, RS-232, COM, CCDA, and CDA. Beyond integrations, I now focus on Healthcare Product Development and Solution Architecture, designing scalable healthcare products from concept to production. I have planned complete healthcare data flows, interoperability strategies, and cloud architectures while ensuring HIPAA-compliant, secure, and scalable solutions. I have designed AI-powered healthcare workflows including Appointment Scheduling AI Agents, Medication Refill AI Agents, Clinical Workflow Automation and healthcare data integration platforms. I am also experienced in building SMART on FHIR applications that launch applications directly from leading EHRs such as Epic, Cerner, Athenahealth, Practice Fusion, eClinicalWorks, Meditech, and Veradigm (Allscripts) etc using SMART on FHIR, OAuth 2.0 and OpenID Connect. Additional Expertise: RPMS (Remote Patient Monitoring System) workflow design and integration with leading EHR/EMR platforms. Experience making RPM/RPMS platforms SMART on FHIR enabled for seamless EHR launch and interoperability. IoT healthcare integrations with medical devices including Anesthesia Monitors, Lab Analysers, Patient Monitoring Devices, and Diagnostic Equipment using Serial (RS-232/COM Port), TCP/IP, HL7, and vendor-specific communication protocols. Expertise in deploying, configuring, securing, and managing NextGen (Mirth) Connect / BridgeLink environments from development through production. Skilled in healthcare data transformation and mapping across HL7 v2, FHIR R4, CCDA, CDA, XML, JSON, CSV, and custom formats mean extensive experience converting HL7 ↔ FHIR, CSV ↔ FHIR, XML ↔ HL7, JSON ↔ FHIR, and custom healthcare data formats. Experienced in developing custom healthcare middleware using Node.js and Express.js for enterprise integrations along with HIPAA-compliant application design, PHI protection, secure API development, encryption, audit logging, and access control. • Experience integrating AI applications and healthcare automation workflows using HL7, FHIR, and REST APIs. Hands-on experience with Azure, AWS, Docker, Kubernetes, Linux, and cloud-hosted healthcare integration platforms. Experienced in designing enterprise healthcare data flows from patient registration through clinical documentation and provider workflows and ETL into FHIR Server. Extensive experience designing and integrating FHIR R4 resources including Patient, Encounter, Observation, Condition, Medication, MedicationRequest, Appointment, Clinical Notes, DiagnosticReport, Procedure, AllergyIntolerance, CarePlan, Practitioner, Organization, and DocumentReference --- Core Expertise Healthcare Integrations * HL7 v2, FHIR R4, SMART on FHIR * REST APIs & Healthcare APIs * CCDA, CDA, XML, JSON, CSV * Healthcare Workflow Automation * Interoperability Architecture * AI-powered Healthcare Integrations Healthcare Product Development * Product Architecture & Solution Design * Healthcare Workflow Planning * Technical Product Development * AI Healthcare Products * Clinical Data Flow Design * Healthcare SaaS Platforms Middleware & Integration Engines * NextGen Mirth Connect, BridgeLink, Rhapsody, Azure Logic Apps, MuleSoft, Custom Node.js Middleware Programming & Cloud Node.js, Express.js, JavaScript, PostgreSQL, MS SQL Server, Microsoft Azure, AWS, Docker, Kubernetes --- EHR & Healthcare Systems Worked with: Epic, Cerner Millennium, Athenahealth, eClinicalWorks (eCW), Veradigm / Allscripts, Practice Fusion, TouchWorks, AdvancedMD, Tebra, Elation Health, NovaRad and Meditech etc. FHIR Platforms: HAPI FHIR Server, Medplum, AWS HealthLake and Amazon FHIR Server --- EDI Expertise : Experienced with HIPAA-compliant EDI integrations supporting ANSI X12 (4010 & 5010), including: 837 Claims, 834 Enrollment, 270, EDI 271, 835 Remittance and Payroll & 401(k) Processing --- Why Work With Me? ✔ 6+ years of Healthcare IT experience ✔ Successfully delivered healthcare integration projects from POC to Production ✔ Strong expertise in SMART on FHIR, HL7, FHIR, AI Healthcare Solutions, and Enterprise Integrations ✔ Experienced in Healthcare Product Architecture, Technical Product Development, and Interoperability Strategy ✔ Able to bridge Product, Clinical Workflows, Business Requirements, and Engineering Teams Whether you need a Healthcare Integration Architect, SMART on FHIR Developer, Healthcare Product Developer, or Technical Product Owner, I can help design and deliver secure, scalable, and production-ready healthcare solutions.

Hi, This is Sahil. I help businesses and healthcare practices improve efficiency, increase productivity, and achieve sustainable growth through innovative technology solutions and specialized revenue cycle management services. Whether you're looking to automate workflows with AI, build a custom SaaS platform, launch a mobile application, or optimize your dental practice's billing operations, I provide reliable, results-driven solutions tailored to your needs. Services I Offer : Technology & Software Development 🔹 AI Automation & Intelligent Chatbot Development 🔹 Custom SaaS Application Development 🔹 Full-Stack Web Development 🔹 Mobile App Development (iOS, Android, Flutter, React Native) 🔹 React, Next.js, Node.js & Python Development 🔹 API Development & Third-Party Integrations 🔹 Business Process Automation 🔹 Cloud Solutions (AWS, Azure, GCP) 🔹 Data Analytics & Reporting Dashboards 🔹 SEO, Digital Marketing & Lead Generation Dental Billing & Revenue Cycle Management 🔹 Insurance Eligibility & Benefits Verification 🔹 Dental Billing & Claims Processing 🔹 Claims Submission & Tracking 🔹 Payment Posting (ERA/EOB) 🔹 Insurance and Patient AR Follow-Up 🔹 Denial Management & Appeals 🔹 Credentialing & Re-Credentialing 🔹 PPO/HMO Provider Enrollment 🔹 Revenue Cycle Optimization 🔹 Dental Practice Administrative Support Why Work With Me? ✅ End-to-End Project Management ✅ Scalable & Secure Solutions ✅ Strong Attention to Detail ✅ Transparent & Consistent Communication ✅ Fast Response Time ✅ On-Time Delivery ✅ Long-Term Support & Maintenance ✅ Focus on ROI and Business Growth ✅ Reliable Dental Billing & RCM Expertise Tools & Technologies : Development: React, Next.js, Node.js, Python, Flutter, React Native, JavaScript Cloud: AWS, Azure, Google Cloud Platform Dental Software: Open Dental, Dentrix, Dentrix Ascend Automation & AI: OpenAI, Chatbots, Workflow Automation, API Integrations I partner with startups, small businesses, enterprises, and dental practices to deliver solutions that improve operations, enhance customer experiences, and drive measurable results. Whether you need a custom application, AI-powered automation, business process optimization, or comprehensive dental revenue cycle management support, I am ready to help. Let's turn your ideas into results and build solutions that scale. Thank you

🏆 TOP RATED PLUS ON UPWORK 🥇 Liferay Certified Developer & Consultant 🥇 Sun Certified Java Developer 🥇 IBM Certified WebSphere Portal Solution Developer 💯 100% Job Success Rate ⌛ 17,000+ Hours Delivered on Upwork 🚀 20+ Years of Enterprise Software Experience Organizations using Liferay need reliable experts who can modernize digital platforms, build scalable enterprise portals, integrate business systems, and leverage modern technologies like AI to improve user experience and operational efficiency. As a Liferay Certified Developer and Consultant with 20+ years of enterprise software experience, I help businesses design, customize, upgrade, migrate, and enhance Liferay DXP solutions from enterprise portal implementations and complex integrations to AI-powered features, automation, performance optimization, and long-term support. I have delivered enterprise solutions across Healthcare, Ecommerce, Manufacturing, Travel & Hospitality, Education, Real Estate, Retail, and other industries. Liferay DXP Expertise ✔ Liferay DXP 7.x Development & Customization ✔ Latest Liferay DXP Version Implementations ✔ Liferay Portal Development ✔ Liferay Upgrade & Migration ✔ Legacy Liferay Modernization ✔ Custom OSGi Module Development ✔ Portlet Development ✔ Theme & UI Customization ✔ Workflow Automation ✔ CMS Customization ✔ Roles, Permissions & User Management ✔ Liferay Performance Optimization ✔ Elasticsearch Integration & Intelligent Search Enhancement AI & Modern Digital Experience Solutions ✔ AI Integration with Enterprise Applications ✔ Generative AI Integration ✔ AI-powered Portal Features ✔ AI Chatbots and Virtual Assistants ✔ Enterprise Knowledge Search using AI ✔ LLM-based Application Integrations ✔ AI Automation for Business Workflows ✔ Intelligent Content and User Experience Enhancements Portal Solutions Building and improving: ✔ Customer Portals ✔ Partner Portals ✔ Vendor/Supplier Portals ✔ B2B Portals ✔ Self-Service Portals ✔ Enterprise Intranet Solutions Liferay Integration Expertise ✔ Single Sign-On (SSO) ✔ LDAP Integration ✔ Keycloak Integration ✔ OAuth / OpenID Connect ✔ REST API Integrations ✔ Third-Party Enterprise System Integrations ✔ ERP, CRM and Business Application Integrations Java & Enterprise Development ✔ Java / J2EE ✔ Spring Framework ✔ Spring Boot ✔ Spring Security ✔ Hibernate ✔ REST Services ✔ Microservices Architecture Cloud & DevOps ✔ AWS / Azure Deployments ✔ Docker & Kubernetes ✔ CI/CD Pipelines ✔ Application Server Configuration ✔ Production Support & Optimization How I Help Clients ✔ Build new Liferay enterprise portals ✔ Upgrade and migrate existing Liferay platforms ✔ Customize portal workflows and business features ✔ Integrate Liferay with enterprise systems ✔ Add AI capabilities to digital platforms ✔ Improve portal performance and scalability ✔ Provide ongoing Liferay support and maintenance My focus is not only writing code, but helping organizations create scalable, intelligent, and future-ready digital platforms that support business growth and operational efficiency. If you need a Liferay expert for development, migration, consulting, AI integration, or long-term support, I can help.

A proven track record in full-stack web and mobile application development, I help startups and enterprises build scalable, secure, and AI-powered applications from idea to production. I work closely with clients throughout the entire product lifecycle — from requirement analysis and architecture design to UI/UX, development, deployment, and scaling. My experience spans modern JavaScript frameworks, Python/Node/,NetCore based backends, cloud infrastructure, and AI-driven development workflows, enabling me to deliver solutions that are both technically robust and business-focused. I have successfully built simple MVPs to complex enterprise platforms across industries such as Healthcare, FinTech, Logistics, Marketplaces, and Social Platforms. ✅ Healthcare expert ✅ Custom EMR/EHR development ✅ Interoperability - FHIR/HL7 ✅ PACS/DICOM ✅ LIMS ✅ Health Insurance & Claim Management ✅ HIPAA/GDPR ✅ Ready to start immediately! ✅ High Quality and strong Skills. Domain Expertise: Healthcare- HIPAA, HIX, EMR-EHR, PMS, FHIR, HEDIS, CCDA, EDI, ICD-10/11, CPT, SNOMED, Meaningful use (MU) 1,2,3, Compliance, HL7, Telehealth, Telemedicine, Homecare, m-Health, Medication/Care Management, Wearable integration, Medical Billing, Clinical Analytics, Insurance, Preventive, Wellness, Health risk assessment Experienced in integration of multiple EHR’s to the healthcare applications like GE Centricity, Allscripts, EPIC, iKnowMed, Cerner, Athena marketplace, eClinicalWorks, NextGen, Greenway etc. I have proficiency in the full life cycle of solution development (end to end) business requirements, functional and technical specifications, data modelling transactional and dimensional data, ETL, data analysis solutions, dashboards, scorecards, and reports. Using tools like Info Sphere Data Architect, Cognos Business Intelligence, IBM Cognos Report Studio, IBM Cognos Framework Manager. With a special focus on the US Healthcare Industry, I do provide wide range of services in the industry that can be summarized as follows: -- RCM -- Electronic Medical Record (EMR) Development -- Electronic Health Record (EHR) System Development -- Billing System, DICOM Viewer -- Healthcare Interoperability, -- HIPAA Consultancy, -- Meaningful use (MU) Certification, -- HL7 Messaging, -- CCDA, FHIR, HEDIS -- Telemedicine Our offerings ---------------- -HIT Software Development Service -LIMS for comprehensive lab workflow management -HIPAA Consultancy and HEDIS measures implementation. -Healthcare Interoperability Modules & HL7 Messaging (ADT, ORU, ORM, etc.) -EMR/EHR Systems -Certifications and Compliance (MU Certification) -Seamless Integration with Radiology, Laboratory, and Pharmacy Systems -Billing Management and EDI Processing Systems (EDI 837, 835, 270, 271, 276, 277, 999 etc.) -Medical Coding Database Management (ICD9, ICD10, SNOMED, RxNorms, NDC, LOINC, CPT, HCPCS, E/M, PQRS) -DICOM Viewer & PACS Solutions -Provider Networking & Credentialing -Tele-Health, Tele-Medicine, Remote monitoring -Mobile applications and device Integration In sync with the latest standards and technologies in the Industry, you can expect the excellence in all the aspect of IT Services & Solutions, be it Security (from HIPAA point of View), Turn Around Time (for innovative products), Cost-Effective, Industry-oriented, and User-Friendly.

Over 14 years of Software experience in design, development and support of enterprise applications using enterprise Java technologies like ,SAP Commerce – Hybris , Solr/Elastic Search, Enterprise Search ,Spring , Hibernate, Struts, Java , J2EE , JDBC, JNDI, Internationalization (I18n) , Localization (L10n) , Liferay and relational databases such as Oracle, MySql.  Experience in providing 20+ Java / J2EE / Spring / Hibernate / UI Technologies / Build Technologies like Jenkins , Maven , SVN / Java script / jQuery / Angular.js /Backbone.js / Ext.js /Solr/ Elastic Search / Liferay Trainings / DevOps for International and Domestic clients5 Years of working experience with Sun Microsystem. 💡Sr Java Developer - Backend Developer 💡 Design and build micro-services using Spring boot. 💡Develop enterprise-grade highly scalable java based application. 💡Design and develop screens with JQuery, Javascript HTML5, CSS3, and Bootstrap. 💡Create JUnit test cases for Java-based applications. 💡Work with Quality Assurance for an end to end testing and certification of the product delivered. 💡 Work in a fast-paced environment that fosters growth and learning. 💡 Experienced in using frameworks such as Java/J2ee, Spring, Spring Boot 💡 Experienced in using build tools and source code repository tools such as: GiT, GitHub, Pull Request reviews, Gitflow branching strategies, and Maven 💡 Well experienced in developing and executing functional and integration tests 💡 Experience in developing and designing high performance, scalable and available web services (predominantly REST architecture) using J2EE and concurrency frameworks such as JAVA Concurrency package 💡 Experienced in the usage of NoSQL and NoSQL related tools applications, i.e. (near) real-time analytics 💡 Knowledge of object-oriented design and design patterns, and programming skills 💡 Experience in designing, developing and delivering software and/or platforms used by other developers, 💡 Good understanding of web services and SOA related standards like REST/OAuth/JSON and SOAP/WSDL. 💡 Devops