keshav raj

Senior software engineer @Biz2x | Full Stack Developer | Building Scalable & Secure Fintech Web Applications | Java | Angular | React | Spring Boot | Microservices | SQL

Noida, Uttar Pradesh, India

About

Full Stack Developer with 3.5+ years of experience in building scalable fintech web applications using Angular, React, Java, and Spring Boot. Proficient in JavaScript, TypeScript, HTML5, CSS3, and RESTful APIs, with hands-on experience in microservices architecture and real-time system design. Successfully delivered multiple fintech solutions, including a back-office management system, customer onboarding modules, and a real-time analytics dashboard. Proven ability to collaborate across teams, solve complex problems, and build scalable, maintainable systems that drive business value.

Experience

  • Senior Software Engineer at Biz2X
    Apr 2026 - Present · 3 mos

  • PureSoftware Ltd (4 yrs 4 mos)
    • Associate Software Engineer
      Jan 2024 - Apr 2026 · 2 yrs 4 mos

      Led a team of 4 developers, providing technical guidance on both frontend and backend tasks in an Agile Scrum environment. Developed and maintained Angular and React-based UIs, ensuring responsive design and seamless user experience. Engineered a metadata-driven UI with UDP-based communication, reducing hardcoding by 25%. Built and integrated modules including event ticket configuration, lucky draw setup, customer onboarding, and loan management, embedding them into the main system via iFrames. Designed and deployed Spring Boot RESTful APIs, improving integration speed by 30%. Enhanced a banking back-office management system with features like account management, transaction processing, and reporting. Implemented Spring Security with OAuth2 and JWT, strengthening authentication and data protection. Optimized Angular + TypeScript codebase, improving performance and reducing load time by 20%.

    • Trainee
      Jul 2022 - Dec 2023 · 1 yr 6 mos

      Delivered a corporate transaction portal with authentication, fund transfer, and bulk transfer modules. Developed and integrated Java Spring Boot REST APIs for secure financial transactions and implemented role-based access control to safeguard sensitive user data. Applied React, CSS3, and responsive design techniques to ensure 100% cross-browser compatibility. Collaborated on end-to-end workflows by connecting React front-end with Spring Boot backend, ensuring seamless data flow

    • Software Engineer Intern
      Jan 2022 - Jul 2022 · 7 mos