SUMMARY:

• Over 25 years of experience in web/mobile/java software development with recent focus on Mobile Applications (Architecture, Cloud, Web, UI, Configuration). Vast experience in product development and software life cycle which includes Architecture, Design, Development & Integration, and System Testing. Used various software engineering processes and methodologies including Agile/Scrum. Experienced to develop, lead and manage emerging technology projects in start - ups, federal and corporate world.
• Exceptional skills in Java, Objective C, SWIFT, C/C++, Angular, JS/JSON and JNI for mobile app development.
• Excellent experience in mobile app development using IOS, Android and Cordova mobile platforms.
• Experience with MEAN stack (Mongo, Express, Angular, NodeJS), Spring Boot applications, and AWS Services to develop various mobile cloud services and REST APIs.
• Experience in using UI and other frameworks supported by iOS and Android. Used native C libraries and JNI interfaces. Proficiency in XCode, Android Studio, Eclipse, Android NDK libraries.
• Experience in mobile provisioning, deployment and app management including OTA provisioning and Enterprise Mobile App Development.
• Used mobile cloud interfaces such as TCP/UDP, HTTP, REST, MRCP, RTSP, RTP, SIP, Asterisk.
• Experience in JavaScript, JSON, AJAX, HTML5, CSS, ionic, Bootstrap and other web scripting languages.
• Experience with Mobile Speech recognition, Voice Assisted Mobile Apps, and Biometrics, Analytics and other third party services.
• Vast Experience with telecom/wireless technologies such as PSTN (GR303, ISDN,SIP), PTT (iDEN and QCHAT), IMS (CSCF), OMA (PoC, XDM, DM ),CDMA (IN Technologies) and GSM (SMS services) networks

EMPLOYMENT EXPERIENCE:

Confidential, Springfield, VA

Software Development Consultant

Responsibilities:

• Contributed for architecture and implementation native iOS and Android design and UI interfaces as per the designs provided by Deloitte team. Used android design libraries and design patterns extensively (Java, android SDK, android material design, app-compact, auto layouts, code data, sqllite).
• Contributed for middle-tier service development for interfacing with other web services as well providing unified web interfaces for I94 Mobile apps (SpringBoot, Java, devops, AWS).
• Supported interfaces for the app to work CBP internal servers such as TDED and ADIS servers for user travel document validation(REST API’s)
• Worked with external interfaces such as Login.gov, Pay.gov, Scanner SDKs, Google vision. (OAuth, OpenID, JWT)
• Supported Location services for i-94 exit process and currently researching on preventing location spoofing, beckon services and liveness detection on mobile devices.
• Worked with local databases using SQL lite/Core Data as well provided sync interfaces with uploading and syncing local databases with server databases for device portability.

Confidential, Arlington, VA

Software Development Consultant

Responsibilities:

• Consular Job-Aid mobile apps for assisting diplomats with foreign language translation various job related situations. Extensively used various iOS 8.0 features for UI development. (Swift, ObjC, cordova, angular, autolayouts, coredata)
• Foreign language (such as Chinese) eLearning mobile apps for general language understanding.
• Android native apps for Language learning and Consular Interviews as well web apps (Java, Android sdk, android material design, cordova, sqllite)

Confidential, Reston, VA

Software Applications/Web service Architect

Responsibilities:

• Architected and developed Data Services using NODE.js, to fetch user databases from LDAP and other active directory services into crisis management portal for role based distribution of crisis plans to mobile app users
• Developed Notification services to push/email crisis alerts to mobile devices using services like AWS SES and SNS and Mobile Hub. Implemented interface to work with APNS/GCM/ADM push notification services. (C# .NET IIS, NODE, SES SNS)
• Provided general mobile( Android/iOS) application development to maintain and enhance features. Encryption and Password protection for crisis plans on the iOS Android devices(Java, Android SDK, material design, objC)
• Developed porotype web apps using angular for FDA food recall information and Employee Appraisal System.

Confidential, Reston, VA

Software Development Lead

Responsibilities:

• Lead the Mobile (Android and iOS) development of framework to support custom conversational interfaces for mobile applications. Mobile developers can use simple VoiceXML and JS/JSON to implement voice interfaces into their mobile apps. (Java, ObjC)
• Used local recognizers (noavuris, FordSync, google voice) as well cloud recognizers (MRCP).
• Developed distributed cloud services (Node.js, Spring, AWS) for mobile interactions with cloud voice services, app configuration and management, analytics, audio compression, etc.
• Supports security features such voice biometrics, data encryption and authentication for secure enterprise applications such as financial apps.

Confidential, Manassas, VA

Responsibilities:

• Trouble shoot and enhance the capabilities of a Command and Control program (JADOCS) that will help mission management for better execution war strategies.
• Developed interfaces to communicate and collaborate warfare information with other Command and Control applications.

Confidential, Reston, VA

Responsibilities:

• Architected and implemented OMA POC, XDM and DM mobile clients (J2ME) for use with OMA - POC and IMS infrastructure as well explored PTX technologies with prototypes for PTT application servers and PTX servers
• Designed and implemented the IRD/SIP client, SIPDART tool to verify and validate the Sprint-Nextel’s 3G PTT solutions over SIP.

Confidential, Rockville, VA

Responsibilities:

• Played a key role in architecture, design and developing of products for SIP gateway for PSTN interfaces (ISUP, PRI, CAS, POTS) with main focus being SIP mediation with PSTN networks and call control application.

Confidential, NJ

Responsibilities:

• Provided lead role in protocol mediation development between SIP/MGCP/H323/GR303 for VOIP gateway development

Confidential

Responsibilities:

• Provided a lead role in development of call features on Confidential Home Location Register (HLR) and Service Creation Environment (SCE) for IN based service.