Hello, I'm Sachin K S

React, Angular & Next.js Expert | Senior Frontend Engineer @ Oracle

🚀 Senior Frontend Engineer based in Bengaluru, India, with 8+ years of experience building, scaling, and optimizing enterprise-grade web applications. Specialized in React, Angular, and Next.js I focus on delivering fast, reliable, and maintainable interfaces that power business growth. Currently working at Oracle, driving product innovation and mentoring frontend teams.

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Sachin K S - Senior Frontend Engineer Profile Picture

Sachin K S

Senior Frontend Engineer

8+ Years Experience
20+ Projects Delivered

About Sachin K S – Senior Frontend Engineer in Bengaluru, India

Leading React, Angular & Next.js developer transforming businesses through cutting-edge web applications at Oracle

Professional Profile

Proven experience designing, building, and maintaining modern web platforms that combine high performance, scalability, and strong user experience. Passionate about translating complex requirements into clean, modular code. Skilled in optimizing architecture, improving Core Web Vitals, and implementing best practices across UI ecosystems. Adept at collaborating cross-functionally to deliver business-aligned digital solutions.

Adept at designing component libraries, driving global web platforms, and mentoring teams to deliver user-centric experiences at scale. Skilled in collaborating with product and design teams to balance usability with technical excellence. Currently working at Oracle Bengaluru as a Senior Frontend Engineer.

Key Achievements

  • Scaled global web platforms: Designed and deployed micro-frontend architectures that support multi-region websites with high uptime and low latency.
  • Optimized systems supporting 1M+ users with sub-150ms latency and 99.99% uptime
  • Collaborated with product, design, and marketing teams to launch high-impact features that drove measurable business outcomes.
  • Led cross-functional initiatives and mentored engineering teams

8+

Years of Experience

20+

Projects Completed

1M+

Users Impacted

15%

Revenue Growth

Technical Skills - React, Angular, Next.js Expert

Modern frontend technologies and development tools for scalable web applications

Languages

JavaScript (ES6+) TypeScript HTML5 CSS3/SCSS

Frameworks & Libraries

React.js Next.js Angular Redux jQuery Bootstrap TailwindCSS Material UI

Architecture & Tools

Micro-frontends Design Systems Webpack Babel Vite Git Jira VS Code

Testing

Jest Cypress Playwright React Testing Library

Performance & Quality

Core Web Vitals Lighthouse SEO Accessibility (WCAG 2.1)

Cloud / DevOps

AWS (S3, CloudFront, Lambda) Docker Kubernetes CI/CD (GitHub Actions, Jenkins)

Work Experience - Oracle & Frontend Development

10+ years of professional frontend development journey with major achievements

Senior Frontend Engineer

Oracle, Bengaluru 2021 – Present
  • Architected and maintained Oracle International websites across multiple geographies using React.js and CMS platforms (WCS, OCE)
  • Key Contributor for Invest and Wealth Platform opex review, stability and performance tuning
  • Delivered 15% overall revenue growth and 5% increase in user adoption across these verticals
  • Driving architectural decisions, scaling distributed systems supporting 1M+ users with sub-150ms latency and 99.99% uptime
  • Mentoring engineers, leading cross-functional initiatives, and shaping product strategy end-to-end
  • Reduced infrastructure costs by ~10% through performance tuning and consolidating lower environments via shared infrastructure and common clusters
React.js Next.js TypeScript Redux AWS Docker Kubernetes

Frontend Engineer

MadIT Box Service Pvt Ltd, Bengaluru March 2016 – April 2021
  • Delivered 20+ client web applications and portals using HTML5, CSS3, Bootstrap, JavaScript, and WordPress CMS
  • Improved SEO and performance for multiple clients, increasing organic traffic by up to 50%
  • Converted UI designs to responsive, interactive interfaces, cutting time-to-market by 25%
  • Supported e-commerce sites with 1,000+ SKU uploads and optimizations
  • Collaborated with clients like Bosch, Chai Point, RDS Pharma, and Connect Farmer
HTML5 CSS3 JavaScript Bootstrap WordPress jQuery

Education - Computer Science Engineering

Academic background in Computer Science from Visveswaraya Technological University

BE/BTECH – Computer Science

PESITM, Visveswaraya Technological University

2009–2013

Completed Bachelor of Engineering in Computer Science with focus on software development, algorithms, and computer systems fundamentals.

Contact Sachin K S - Hire Frontend Developer

Ready to hire an experienced React/Angular developer? Let's discuss your project requirements

Email

sachinagumbe@gmail.com

Phone

+91-9740606282

LinkedIn

linkedin.com/in/sachinagumbe

Ready to collaborate?

I'm always open to discussing new opportunities, interesting projects, or just having a chat about frontend development and technology.

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