Tech lead and system architect (Full-stack/Android/React Native mobile app development team)

Specializes in high-performance mobile application design and development, algorithm design, scalable system design and team management.

Designed and developed an end to end solution for supporting a large-scale bioinformatics system that works intelligently with users, thereby taking dynamic decisions based on user actions. This system specializes in recognizing human language and speech/text patterns, analyzing best decision path and consecutive action by learning from persistent data stores, user interaction data and system generated logs.

Successfully developed interactive chat framework and UI interface.
Got exposure to voice and language recognition, speech to text conversion API, intent identification and dialogue management frameworks like Amazon Alexa, Amazon Polly and Amazon Lex, Microsoft bot framework and LUIS, API.ai chatbot framework, Recast.ai chatbot framework etc. Worked with superscript js, Stanford CoreNLP, Apache OpenNLP, NLTK, WordNET, NaturalNode and NodeCompromise for solving problems such as part of speech identification, string distance, tokenizers, stemming and lemmatization, POS tagging, context analysis etc.

Developed a scalable chatbot framework using the above components for facilitating users, thereby providing them with easy HCI (human-computer interaction) interface to communicate with the system by using simple human understandable language.

Got introduced to AWS services such as Lambda, Cognito and AWS remote VM (AWS workspaces).

Java/J2ee developer, node.js developer, web developer, full-stack developer.

Designed and developed a complete system for supporting a web store related to biomedical and bioinformatics domain.

Developed a web portal for biomedical software developers. This portal is similar to android app developer portal where a developer can upload an application so that scientists and general users can download the same and thereby start using it in their research work. Also developed a suppporting Admin portal for monitoring and generating reports based on user interaction with the web store and developer's portal.

Developed a desktop based dashboard for helping users download and use the applications from the web store to their local system. Got exposure to recommendation systems and data visualization.

Developed several desktop based applications for transmission, analysis and visualization of large scale data related to bioinformatics and biomedical domain.

Successfully developed a scalable web-based messaging and notification server that acted as a central broker between each of the above-mentioned systems.

Used technologies such as JavaSE, J2ee (Spring, Hibernate), Node.js, AngularJs, Bootstrap, Jquery, D3.js, Mysql and Amazon RDS, MongoDB, Redis (also familiar with Memcached and Rabbit MQ), Amazon EC2, Amazon S3, Ngnix, Elastic search, Apache Solr and Electron (converting lightweight html5 applications to cross-platform/hybrid ones).

Technical operations management, ussd gateway admin, mysql cluster database admin.

Automation of routine server processes and application monitoring using shell script and groovy.
Got opportunity to debug and monitor ussd gateway (core VAS service gateway for MTN) application that used Java, Mysql, ss7 protocol.