RK

Ramya K

Available to hire

js. I design RESTful APIs, optimize backend performance, and implement secure authentication with JWT.

About

Hi, I’m Ramya K, a full-stack developer with 4+ years of experience building and maintaining scalable web applications using Node.js, Express.js, PostgreSQL, MongoDB, and React.js. I design RESTful APIs, optimize backend performance, and implement secure authentication with JWT. I thrive in Agile teams, enjoy API testing with Postman, and am comfortable with Git/GitHub for version control and collaboration. I have a proven track record of improving system performance, reducing integration issues, and delivering reliable, production-ready features.

I’m passionate about solving problems, learning new technologies, and contributing technical depth to modern web platforms. I’m excited to bring my problem-solving skills and hands-on development experience to contribute to impactful projects.

  • Joined September 2025

Languages

  • EnglishFluent
  • FrenchIntermediate
  • TamilFluent

Industry experience

  • Software & Internet
  • Media & Entertainment
  • Professional Services

More experts in Brussels, Belgium

Work experience· 4 roles

Backend / Full-Stack Developer · Calcronio (Remote)Jul 2025 – Jul 2025 · 1 mo

Developed and maintained 15+ RESTful APIs using Node.js and Express, enabling secure data flow across client applications. Integrated PostgreSQL and MongoDB with optimized indexing and schema design, improving query performance and data reliability. Implemented JWT-based authentication, validation middleware, and error-handling layers. Collaborated with frontend teams to integrate APIs into React interfaces, reducing integration bugs. Built and managed Postman test suites and participated in Agile sprints with GitHub and Jenkins.

Software Tester / Web Developer (Project-Based) · Remote / FreelanceMay 2025 – Sep 2025 · 5 mos

Designed and executed 80+ UI and API test cases using Selenium WebDriver (Java), Postman, and TestNG across three projects (Pet Shop Web Application, ABS Billing System, and a Responsive Landing Page). Reported and resolved 25+ bugs, contributing to a 95% bug-free launch. Validated MongoDB data and end-to-end flows; conducted cross-browser/UI testing and accessibility checks. Logged defects in JIRA and collaborated with developers and analysts within Agile sprints, helping reduce critical post-release bugs by 30%. Worked with React/Angular/Node.js tech stacks and utilized Git for version control.

Front-End Developer · Digital Makers Solutions (Remote)Mar 2023 – Mar 2023 · 1 mo

Delivered 5+ production-level React.js modules, improving UI responsiveness and data rendering speed. Integrated and tested REST APIs, optimized state management, and contributed to QA collaboration to reduce data handling errors. Participated in Agile ceremonies and implemented reusable components to speed up page development.

Software Support Engineer · C&R Tractors, Arni, IndiaDec 2021 – Dec 2021 · 1 mo

Education

Master of Computer Applications · KIIT University2023 – 2025
Bachelor of Computer Applications · AVVM Sripushpam College2011 – 2014

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