Feb 2019 – Sep 2021 · 2 yrs 7 mos · Greater Bengaluru Area

• Managing cross-functional development teams to build highly scalable Data processing and reporting systems serving millions of users.
• Developing staff through coaching, providing performance feedback, providing effective performance assessments, and establishing performance and development plans.
• Establish and deliver Tech and Product capability planning and strategies.
• Manage, hire, and mentor strong developers working to create an environment of curiosity, encouragement, and technical growth.
• Identifies process improvement and verification activities; develops and applies technical and quality improvement techniques.
• Conceptualizing and building capabilities to drive operational scaling, optimizing for cost, speed & reliability.

Apr 2017 – Jan 2019 · 1 yr 9 mos

• Designing and implementing highly scalable real-time chat as a service.
• Leading, mentoring highly skilled engineers to deliver projects with high quality.
• Managing multiple projects at the same time.
• Building real-time recommendation system in chat using Apache Kafka, NodeJs, Apache Cassandra, Ejabberd.
• Designing and developing an inter-service communication platform to process millions of messages using serverless architecture.
• Designing microservices architecture by decomposing huge monolith systems into many services using domain-driven design.
• Designing Restful APIs with special care on versioning, response standard, endpoint naming conventions, documentation, etc.
• Involving in major technical decisions taken across the globe.
• Designing continuous integration and delivery flow for many projects using Jenkins, Gitlab, AWS Code Deploy, Docker etc .

Jun 2015 – Apr 2017 · 1 yr 10 mos

• Building high performance & highly scalable applications using PHP (5 &7)
• Designed and developed PHP framework to serve all PHP based applications.
• Performance improvement of application by identifying scope of improvement using profiling & monitoring tools, Improving performance step by step.
• Securing applications from common vulnerabilities like XSS, XSRF and SQL Injection & Clickjacking etc.
• Technically leading the team, handling stake holder communications and making sure as a team high quality products delivered in line with company targets and performance standards.

Feb 2012 – Jun 2015 · 3 yrs 4 mos · Bangaon, West Bengal, India

• Building high performance & highly scalable applications using Node.js, Express, MongoDB & Jade
• Involved in many mobile and desktop based web applications design and development using various technologies like PHP, MySql, Apache, HTML5, CSS3 & JavaScript.
• Other than development also involved in application security engineering. Performing activities such as code review, vulnerability analysis, penetration testing, helping team writing secured code & creating security awareness in the team.

Feb 2011 – Feb 2012 · 1 yr · Bangaon, West Bengal, India

• Mobile and desktop based web applications design and development using various technologies like PHP, MySql, Apache, HTML5, CSS3. Followed responsive web design approach for designing interface. One of the primary application was – careers.yahoo.com

Dec 2009 – Feb 2011 · 1 yr 2 mos

• Primarily working on designing and developing web applications in PHP4/5 and MySQL.

Jun 2008 – Nov 2009 · 1 yr 5 mos

• Primarily worked on designing and developing web applications in PHP5 and MySQL. Worked on several projects using different PHP frameworks like Symfony and CakePHP. Applied object-oriented designs and analysis techniques. Developed complex web application features including implementation, test, and integration. Used AJAX for better performance of the application.