9+ years of experience in designing and developing enterprise applications.

Java   Apache Spark   Apache Kafka   Spring Boot   Data Structure & Algorithm   AWS - EC2, SQS, Elastic Cache, EMR, SQS, S3, Lamda   Scala   Data Streaming   Serverless   REST   Mysql   Mongo DB   Neo4j   Cassandra   Software Design & Development   Microservices   Git   Social Graph   Recommender System   Jira   Jenkins   Influx   Grafana  

Title	Start Date	End Date	Company	Role
Staff Software Engineer	Feb 20	Ongoing	Expedia Group	Opex-Hub - Failed Customer Interactions Design and Developed user time series events data aggregation service Implemented data base migration and changes using Liquibase Design and Developed user eCommerce funnel data computation engine Developed API's for COVID-19 related defects and incidents reporting Design and Developed application audit history service
Technology Specialist	Jan 19	Feb 20	Synechron Technologies - HSBC	Design and Developed data aggregation service using Graph. Design and Developed Event driven notifications between micro services using Kafka. Design and Developed Rest API automation testing framework using BDD. And helped testing team in automating api microservices. Developed Data Ingestion and api service for control data. Lead team of five persons and successfully delivered three controls services into production.
Associate Technology Specialist	Feb 2017	Dec 2018	Synechron Technologies - London Stock Exchange and UBS.	Developed Push Notification on API using AWS Redis Pub Sub and achieved real time updates for clients and reduced data base load. Developed Authentication Service using AWS Cognito JWT which is used in securing and authorising other micro services Developed static data cache using AWS Elastic Cache which improved application startup time and optimised static data loading. Developed low cost and Server-less data pipeline using AWS lamda, S3 and SQS Developed and Standardise API request, response, logging, status and response codes. Which helped in improving communication b/w API and clients, ease of integration and improved tracking of issues and status. Developed Entity Management framework. Which helped in reducing testing and development effort of static data rest APIs by 60% and also enforces Restful APIs best practices. Developed Junit template for rest APIs. Which helped in reducing development effort for other rest APIs and also improved code coverage. Consulted with project managers and clients regarding optimal architecture and solutions to utilise in project development Worked on MiFID􀆸 II regulatory requirements. Developed front office eligibility micro service. Streamlined the Json schemas for all DTOs for the project and replaced all java DTO and aligned the APIs with Json schema generated DTOs. Developed and presented POC on data streaming job using Kafka, Spark and Cassandra.
Technology Lead	Feb 2016	Dec 2016	Ephesoft Inc.	Universe Analytics - Extract meaning from unstructured content to predict future value of investments, identify fraud, enable eDiscovery, uncover new opportunities, and make informed decisions. Designed & Developed Data Relationship, Data Quality and Data Streaming Jobs using Apache Spark, Kafka, Graph, Mongo DB and Java. Data relationship job creates undirected graph of documents which helps in creating relationships, performing queries and driving new relationships between the documents. This graph plays key role in driving other changes on platform. Designed & Developed Automation testing framework which helped the testing team in computing page per minute stats for the application
Freelancing	June 2014	Jan 2016	Farlex Pharmaceuticals Pvt. Ltd	Researched and developed good understanding of social graph, graph database, and recommender system Designed & Developed recommendation service, this service feeds the user with friends and other data based on the user social graph Used Neo4j graph database to store user social graph and to recommend users Designed and developed user profile service, user service, and user graph service
Software Engineer	July 2012	June 2014	RBS India Development Centre, Gurgaon	Developed new applications, components, and functionality to existing systems Involved in accurately providing estimated development times Developed new functionalities, both back-end and front-end Analyzed data and conducted compatibility/ quality assurance testing Investigated alternate solutions and implemented better solutions
Software Engineer	Oct 2010	July 2012	Aricent Group, Gurgaon	Designed and developed S6a and Sh interface based on standards and specifications such as 3GPP, LTE, and IMS using Java Designed and implemented test cases using JUnit Designed Detailed Function Specification (DFS), Unit Test Plan (UTP), and Integration Test Plan (ITP) Engaged in code review, configuration, and installation of HSS on UNIX/ Solaris machine Assisted team members on their assigned tasks

Certification	Subject	Date Completed	University
Master of Computer Application (MCA)	Programming, Design, Data Structure & Algorithms	2010	Maharshi Dayanand University
Bachelor of Science Computer Application (B.Sc. CA)	C, Data base and Computer Science	2007	Kurukshetra University Kurukshetra

Apache Spark and Kafka : I am experienced in Apache Spark and Kafka and developed data streaming, data quality and data realtionships jobs.