Sebastin Anthonysamy

• Developed reusable and scalable UI components in ReactJS & MobX, leveraging the Ant Design library, to streamline monetization campaign creation workflows for Facebook and Google Ads platforms.
• Implemented RESTful APIs in Java and Kotlin, enabling the marketing team to automate and scale search campaigns across Google Ads and Bing Ads, significantly reducing manual effort.
• Deployed campaign management workflows with Kubernetes and Argo Workflows, automating campaign orchestration across Google Ads, Microsoft Pub Center, and Facebook Ads Manager.
• Hands-on expertise with ad management platforms like Facebook Ads Manager, Google Ads, and Bing Ads, including creating Facebook Developer Apps and integrating advanced Marketing APIs for data-driven campaign management.
• Directed a 10-member Marketing Technology team, delivering tools that enhanced Search Engine Marketing (SEM) and Paid Content Marketing (PCM) efficiency, driving measurable business impact.
• Spearheaded end-to-end project execution, from requirement analysis to technical design and on-time delivery, ensuring project alignment with business goals and delivering scalable solutions.

Technologies Used : ReactJS, MobX, Antd, Recharts, Jest, Webpack, Babel, ESlint, Prettier, Java, Kotlin, Spring Boot, Snowflake, ARGO CD

• Designed & built an internal tool using ReactJS for the Product team which reduces the developer's effort by 40%
• Played a critical role in a front-end platform (serving 2500 rps website traffic & 50 RPS per pod) migration, replacing a custom framework with ReactJS to modernize the tech stack, reducing operational costs by 50% and increasing time-to-market (TTM) by 80%
• Led Page Speed optimization initiatives to page speed score from 30 to 90 and significantly enhancing the loading speed of web pages
• Integrated and managed a third-party A/B testing platform to execute experiments and drive business insights
• Integrated and managed a Content Delivery Network (CDN) to provision TLS certificates, deliver static assets, enable Web Application Firewall (WAF), and optimize edge caching for improved performance and security
• Lead the A/B testing team to deliver hundreds of AB testing features to improve the daily revenue
• Provided mentorship and technical leadership to frontend teams, enabling scalable and high-performance solutions. Helped in Hiring & Onboarding.

Technologies Used : ReactJS, Redux, Javascript, HTML5, CSS3, LESS, SASS, jQuery, NodeJS, Express, Cypress, NightWatchJS, Jest.

• Developed new features for a Data Analytics platform used for NFC products tracking built in TypeScript, NestJS, Python and MongoDB.
• Published Android and iOS mobile apps to the App Store, adhering to platform-specific guidelines.
• Led 5-member team and responsible for adding new features to Cloud based Analytics Platform.
• Oversaw design, code reviews, API development, automation testing, and coordination with offshore teams to deliver high-quality features.
• Collaborated with product owners to gather requirements and oversee design, development, and deployment processes.

Technologies Used: Typescript, NestJS, MongoDB, Python, Memcache.

• Built websites for Search Engine Marketing using Node.js and Express, optimizing for performance and scalability.
• Managed multiple front-end teams, ensuring the delivery of high-quality and standards-compliant code.
• Conducted offshore team coordination, code reviews, and delivery planning to meet project deadlines.
• Mentored team members to improve technical skills and ensure adherence to coding standards.

Technologies Used: HTML, CSS, JavaScript, jQuery, NodeJS, Express, REST APIs, Grunt, Redis, Snowflake, Selenium, Java, JUnit, Mocha.