Jun 2022 – Dec 2024 · 2 yrs 6 mos

• Led end-to-end development of Big Data Storage, Processing, and Analytics solutions for scalable mobile and web applications, ensuring performance, availability, and data integrity.
• Architected and optimized real-time data pipelines using Apache Spark, Hadoop, and AWS, enhancing scalability and reducing processing time.
• Designed analytics models to support high-performance, data-driven platforms, driving key business insights and decision-making.
• Collaborated with cross-functional teams to innovate, implement best practices, and streamline data governance and security.
• Automated and improved ETL workflows, reducing operational costs by 25% and boosting data processing efficiency by 30%.

Sep 2019 – May 2022 · 2 yrs 8 mos

• Developed scalable Big Data solutions and designed high-performance analytics models, ensuring data integrity, scalability, and efficiency.
• Built and managed Data Lakes and Data Hubs, enabling centralized storage and seamless access to vast datasets for real-time analytics and decision-making.
• Analyzed and addressed complex real-time analytics and data warehousing needs, anticipating trends and minimizing risks.
• Designed and optimized advanced data pipelines, streamlining data processing within high-energy, collaborative teams.
• Led continuous innovation, collaborating across teams to optimize data architectures and improve data-driven operations.
• Defined and implemented scalable Big Data architectures, transforming business analytics and data warehousing for improved performance, scalability, and future growth.

Apr 2018 – Sep 2019 · 1 yr 5 mos · Gurgaon, India

• Worked as a Tech Lead at Al Matt College Marketplace Pvt. Ltd., leading the development of secure, scalable web applications using technologies such as Python, Django, PostgreSQL, MongoDB, and Redis.
• Transitioned to a freelance role, continuing to work on their web application and expanding responsibilities to include big data technologies like Hadoop, Apache Spark, and Kafka.
• Architected and implemented full-stack web and big data solutions, ensuring high performance, scalability, and security.
• Led the design and development of data pipelines that processed and analyzed large datasets, improving data-driven decision-making capabilities.
• Collaborated with cross-functional teams to deliver solutions that aligned with business goals and technology best practices.

Aug 2016 – Mar 2018 · 1 yr 7 mos · Gurgaon, India

• Worked on web applications keeping architectural guidelines in mind (secure, high-performing, scalable, extensible, flexible, simple) for various HTCampus properties e.g. HTCampus Portal (www.htcampus.com), Online Test Series Platform (www.testseries.com), LMS (sda.htcampus.com).
• Architect, design and develop full-stack web applications using the
• latest web technologies, primarily in Python, Django framework, MySQL, Redis etc.
• Developed the white labeled architecture for multi-tenant application which needs only some configuration to setup for a new client.
• Responsibilities includes the enjoyable journey from requirement gathering from product team to successful delivery of product on production cluster.
• Mentor the team and setup a highly productive & motivated work culture to make them grow fast and be more productive every another day.

Feb 2016 – May 2016 · 3 mos · Noida Area, India

• Worked on an online retail management platform for retailers, brokers etc. used to manage services executed in retail sector.
• Involved in development of framework using micro services architecture.
• Created RESTFUL API’s for different services integration.
• Implemented SOA using ZATO ESB for exporting and importing huge inventory data to the system.
• Created modules to parse huge data sets from or to CSV’s, XML’s and excel data.
• Developed complex dashboards involved data analytic to show real time network trends.
• Involved in database design, modelling and architecture implementation.
• Design and implemented background processes for processing huge amount of data using open source modules like celery.
• Created a work flow using technologies such as GIT/SSH etc.

Dec 2013 – Feb 2016 · 2 yrs 2 mos · Gurgaon, India

• Worked on various network management systems at TTPL with technologies like Python, Django, MySQL, Redis, MongoDB etc. My primary job was to develop API's using REST architecture, designing schema, data modelling, optimization of source code, optimize data fetched from various data sources. Worked on projects those gather GB's of data within few hours which need to be displayed on web interface as stats in various formats. My key role here is to optimize this data so that we can display that on web without halting web pages.
• Responsibilities:
• Back-end code development for fetching data and integration of separate applications.
• Development of API's by following REST architecture (mostly using Django REST Framework).
• Developing background jobs using Celery module.
• Database design, modelling and architecture implementation.
• Data analytic and dashboards development.
• Working on user application design using front-end technologies.
• Implementation of caching using Memcache, Redis etc..
• Serialization of huge data sets.
• Client interaction for requirement gathering.
• Coordinating with the team in order to meet deadlines.
• Optimization of huge performance data fetched from database for displaying it on UI in timely manner.

Dec 2009 – Nov 2013 · 3 yrs 11 mos · Gurgaon, India

• Worked as a Freelancer for various companies & institutions like Venus App Solutions Pvt. Ltd., SRS Spintex Pvt. Ltd., Mathematics Point, Mango People Consulting & Services Pvt. Ltd. etc. During this time span I worked on various technologies like Python, Django, MySQL, Postgres, MongoDB, PHP, Ruby On Rails, Haskell, PhoneGap, jQuery, AngularJs, Node.js, JavaScript, HTML 5, Business Catalyst, Java, CMS's etc.
• Responsibilities:
• Database design, modelling and architecture implementation.
• Turning broad, conceptual ideas into highly creative visual websites.
• Database design, modelling and architecture implementation.
• Data analytic and dashboards development.
• Integrating new technologies into existing web properties.
• Experience of Design Patterns, Frameworks and Architecture.
• Experience of Object-oriented Software Development Methodologies.
• Comprehensive knowledge of databases.
• Previously worked on high volume websites across a wide variety of desktop and mobile browsers.
• Wrote internal and external design specifications.
• Performed maintenance and updates to existing client Web sites.
• Involved in creating a comparison site from scratch.
• Helped end users to solve operating problems.
• Participated in brainstorming sessions to come up with ideas.
• Documented software and technical specifications.
• Worked on multiple projects simultaneously to a high standard.
• Involved in a project to develop a large online gaming website.
• Addressed cross-browser compatibility issues.
• Involved in conversion of open source libraries from one programming language to another.