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Hi, I’m Ajith Kumar S. I’m a senior backend developer with 7+ years of experience designing, building, and maintaining scalable, high-performance web applications. I specialize in Node.js, Nest.js, Express.js, JavaScript, TypeScript, and SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB). I’ve delivered banking-grade APIs and microservices, and I enjoy turning complex requirements into robust, secure solutions. I’m based in Kuala Lumpur, Malaysia, and I’m excited to contribute to innovative teams in the financial services and software sectors. I thrive in Agile, DevOps, and cross-functional collaboration environments. I’m comfortable leading small teams, performing code reviews, and ensuring clean, maintainable code. Beyond backend, I’ve built responsive front-end interfaces with React and integrated REST APIs to deliver end-to-end solutions. I continuously explore new technologies to drive efficiency, security, and performance in every project I work on.…Hi, I’m Ajith Kumar S. I’m a senior backend developer with 7+ years of experience designing, building, and maintaining scalable, high-performance web applications. I specialize in Node.js, Nest.js, Express.js, JavaScript, TypeScript, and SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB). I’ve delivered banking-grade APIs and microservices, and I enjoy turning complex requirements into robust, secure solutions. I’m based in Kuala Lumpur, Malaysia, and I’m excited to contribute to innovative teams in the financial services and software sectors. I thrive in Agile, DevOps, and cross-functional collaboration environments. I’m comfortable leading small teams, performing code reviews, and ensuring clean, maintainable code. Beyond backend, I’ve built responsive front-end interfaces with React and integrated REST APIs to deliver end-to-end solutions. I continuously explore new technologies to drive efficiency, security, and performance in every project I work on.

Ajith Kumar S

Back-End Developer, Full Stack Developer, Web Developer, +2

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Hi, I’m Ajith Kumar S. I’m a senior backend developer with 7+ years of experience designing, building, and maintaining scalable, high-performance web applications. I specialize in Node.js, Nest.js, Express.js, JavaScript, TypeScript, and SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB). I’ve delivered banking-grade APIs and microservices, and I enjoy turning complex requirements into robust, secure solutions. I’m based in Kuala Lumpur, Malaysia, and I’m excited to contribute to innovative teams in the financial services and software sectors. I thrive in Agile, DevOps, and cross-functional collaboration environments. I’m comfortable leading small teams, performing code reviews, and ensuring clean, maintainable code. Beyond backend, I’ve built responsive front-end interfaces with React and integrated REST APIs to deliver end-to-end solutions. I continuously explore new technologies to drive efficiency, security, and performance in every project I work on.…Hi, I’m Ajith Kumar S. I’m a senior backend developer with 7+ years of experience designing, building, and maintaining scalable, high-performance web applications. I specialize in Node.js, Nest.js, Express.js, JavaScript, TypeScript, and SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB). I’ve delivered banking-grade APIs and microservices, and I enjoy turning complex requirements into robust, secure solutions. I’m based in Kuala Lumpur, Malaysia, and I’m excited to contribute to innovative teams in the financial services and software sectors. I thrive in Agile, DevOps, and cross-functional collaboration environments. I’m comfortable leading small teams, performing code reviews, and ensuring clean, maintainable code. Beyond backend, I’ve built responsive front-end interfaces with React and integrated REST APIs to deliver end-to-end solutions. I continuously explore new technologies to drive efficiency, security, and performance in every project I work on.

Available to hire

Hi, I’m Ajith Kumar S. I’m a senior backend developer with 7+ years of experience designing, building, and maintaining scalable, high-performance web applications. I specialize in Node.js, Nest.js, Express.js, JavaScript, TypeScript, and SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB). I’ve delivered banking-grade APIs and microservices, and I enjoy turning complex requirements into robust, secure solutions. I’m based in Kuala Lumpur, Malaysia, and I’m excited to contribute to innovative teams in the financial services and software sectors.

I thrive in Agile, DevOps, and cross-functional collaboration environments. I’m comfortable leading small teams, performing code reviews, and ensuring clean, maintainable code. Beyond backend, I’ve built responsive front-end interfaces with React and integrated REST APIs to deliver end-to-end solutions. I continuously explore new technologies to drive efficiency, security, and performance in every project I work on.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Senior Software Engineer at AMK Technology Sdn Bhd / Accenture Solutions Sdn Bhd (Client: Maybank)

June 1, 2024 - October 1, 2025

Designed and developed microservices-based RESTful APIs using Node.js, Nest.js, and Kafka. Implemented role-based access control, encryption, and security measures to safeguard sensitive data. Created prototypes and database schemas; integrated with Sequelize ORM. Documented APIs using Swagger. Collaborated with cross-functional teams for timely deployment, scaling, and troubleshooting. Led API development, code reviews, and deployments. Implemented Kafka producers/consumers to handle 10M+ leads for the Maybank CEP platform.

Senior Software Engineer at Changepond Technologies

August 1, 2021 - February 1, 2024

CLOS (Finacle) - Developed REST API for querying, storing, and manipulating loan data and to store user information. Automated the manual loan processing workflow for corporate customers. Built modules for applicant, asset, collateral data, document verification, eligibility calculation, credit scoring, financial data analysis, duplicate checks, and escalation notifications. Implemented robust data modeling, error handling, and API integration. Worked in an Agile environment; participated in peer reviews and deployments.

Junior Software Developer at Five Technology Private Limited

April 1, 2018 - August 1, 2021

ERP/CRM module development focusing on Purchase, Sales, and Accounts. Built the UI for purchase flow and accounts maintenance; developed common reports, ledger and manufacturing-related insights. Contributed to client demos, requirement gathering, and delivering modules per client expectations. Worked with PHP, JavaScript, Node.js, jQuery, REST API, and MySQL/SQL.