Hi, I'm

Jayasurya

React & Next.js Frontend Developer

Frontend Developer with 4+ years of experience building scalable web applications using React and Next.js. I specialize in creating high-performance user interfaces and also have experience working with backend technologies, allowing me to contribute as a full-stack developer when needed.

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Tech Stack

Frontend

ReactNext.jsJavaScriptTypeScriptTailwind CSSHTMLCSSVueNuxt

Backend

Node.jsExpressPrismaPostgreSQLMongoDB

Tools

GitGitHubVercelAWSRender

Analytics

Google AnalyticsMixpanelMeta Ads

Experience

Software Developer – Sparkout Technologies, Coimbatore

Feb 2025 – Present

Built scalable frontend applications using React.js, Next.js, Redux, and TypeScript.
Integrated Web3 and fintech workflows with Fireblocks and Primer.io (payment SDK).
Implemented Google and Microsoft logins with OAuth-based authentication flows.
Worked on analytics and growth integrations including Google Analytics, Mixpanel, Google Ads, and Meta Ads.
Collaborated with backend teams to integrate REST APIs and improve performance and SEO using SSR/CSR patterns.
Improved core page performance by ~25% through rendering and bundle optimization initiatives.

Jr. Web Developer – Handbiltapps, Trichy

Apr 2023 – Jul 2024

Built custom WordPress themes and plugins from scratch, including dynamic content workflows using ACF.
Developed responsive UI features using HTML, CSS, JavaScript, and React.js based on product requirements.
Worked across both WordPress and React projects, integrating APIs and third-party services.
Implemented Stripe payment gateway flows for e-commerce websites, including checkout and payment status handling.
Applied SEO best practices and used Google Analytics to monitor user behavior and site performance.
Contributed to e-commerce conversion improvements by streamlining checkout and payment confirmation flows.

Jr. Front-End Developer – jZersys Technologies, Bangalore

Aug 2022 – Mar 2023

Started my development career by building a strong foundation in HTML, CSS, Bootstrap, React, and WordPress.
Developed reusable frontend sections and UI components while improving responsive behavior across devices.
Learned core web development workflows including version control, debugging, and cross-browser compatibility fixes.
Collaborated with senior developers to deliver client-facing pages and improve overall user experience.
Helped reduce UI consistency issues by standardizing reusable layout and component patterns.

Process Executive – Cognizant Technology Solutions, Coimbatore

Jan 2021 – May 2022

Handled insurance operations in a non-voice process with a focus on accuracy and turnaround time.
Processed policy-related records and maintained quality standards across daily operations.
Built strong discipline in process compliance, documentation, and cross-team coordination.
Reviewed and validated insurance data to reduce processing errors and improve record consistency.
Worked with internal teams to resolve case-level issues within SLA timelines.
Maintained high process accuracy while handling daily insurance records under strict turnaround targets.