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I can build MVP in 3 to 6 weeks in time. If interested please read below: Hi, I'm Sajankumar Vijayan, a results-driven Senior Software Engineer with over 15 years of experience in designing and delivering large-scale, high-performance web applications. I am passionate about building scalable, maintainable systems using modern technologies like React, Next.js, Nuxt.js, and Node.js. Throughout my career, I have led technical transformations, mentored developers, and enhanced application architectures to align with business goals. I enjoy collaborating with cross-functional teams and continue expanding my skills in engineering leadership, testing strategies, and cloud-native solutions.…I can build MVP in 3 to 6 weeks in time. If interested please read below: Hi, I'm Sajankumar Vijayan, a results-driven Senior Software Engineer with over 15 years of experience in designing and delivering large-scale, high-performance web applications. I am passionate about building scalable, maintainable systems using modern technologies like React, Next.js, Nuxt.js, and Node.js. Throughout my career, I have led technical transformations, mentored developers, and enhanced application architectures to align with business goals. I enjoy collaborating with cross-functional teams and continue expanding my skills in engineering leadership, testing strategies, and cloud-native solutions.

Sajankumar Vijayan

Web Developer, Front-End Developer, Full Stack Developer, +1

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I can build MVP in 3 to 6 weeks in time. If interested please read below: Hi, I'm Sajankumar Vijayan, a results-driven Senior Software Engineer with over 15 years of experience in designing and delivering large-scale, high-performance web applications. I am passionate about building scalable, maintainable systems using modern technologies like React, Next.js, Nuxt.js, and Node.js. Throughout my career, I have led technical transformations, mentored developers, and enhanced application architectures to align with business goals. I enjoy collaborating with cross-functional teams and continue expanding my skills in engineering leadership, testing strategies, and cloud-native solutions.…I can build MVP in 3 to 6 weeks in time. If interested please read below: Hi, I'm Sajankumar Vijayan, a results-driven Senior Software Engineer with over 15 years of experience in designing and delivering large-scale, high-performance web applications. I am passionate about building scalable, maintainable systems using modern technologies like React, Next.js, Nuxt.js, and Node.js. Throughout my career, I have led technical transformations, mentored developers, and enhanced application architectures to align with business goals. I enjoy collaborating with cross-functional teams and continue expanding my skills in engineering leadership, testing strategies, and cloud-native solutions.

Available to hire

Aston Rowant, United Kingdom

I can build MVP in 3 to 6 weeks in time. If interested please read below:

Hi, I’m Sajankumar Vijayan, a results-driven Senior Software Engineer with over 15 years of experience in designing and delivering large-scale, high-performance web applications. I am passionate about building scalable, maintainable systems using modern technologies like React, Next.js, Nuxt.js, and Node.js.

Throughout my career, I have led technical transformations, mentored developers, and enhanced application architectures to align with business goals. I enjoy collaborating with cross-functional teams and continue expanding my skills in engineering leadership, testing strategies, and cloud-native solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Tamil

Fluent

Dutch

Intermediate

Work Experience

Senior Software Engineer at RTL B.V

January 1, 2023 - April 30, 2025

Led major technical transformations enhancing scalability and reliability of frontend architectures by introducing micro-frontends and Astro builds. Migrated analytics systems saving annual costs and upgraded codebases to modern versions reducing technical debt. Introduced testing frameworks to increase coverage and designed OpenID Connect authentication across applications. Mentored engineers, refined workflows, and supported hiring to scale teams.

Senior Software Engineer at Ultimaker B.V

January 1, 2021 - September 30, 2022

Led development of a cloud platform for 3D printers and marketplace. Improved frontend performance and usability with scalable design systems focusing on accessibility. Collaborated closely on backend integration and automated testing practices. Supported team growth through hiring and quality improvements with Agile methodologies.

Senior Software Engineer at Elsevier B.V

July 1, 2019 - December 31, 2020

Played key role in modernizing legacy systems to improve performance and maintainability. Developed reusable UI branding libraries for consistency and collaborated on architectural decisions and Agile delivery. Leveraged AWS services for scalable containerized deployments enhancing reliability and efficiency.

Senior Software Engineer at Geek Soft Consulting B.V

October 1, 2018 - May 31, 2019

Contributed to KLM careers platform focusing on performance and scalability. Mentored team members on technology adoption and design practices. Collaborated with backend teams to deliver features and optimized engineering processes to reduce costs and improve quality.

Senior Software Engineer at Accion Labs

January 1, 2017 - October 31, 2018

Led small engineering team supporting multiple projects. Contributed to internal design system migration from Angular.js to Angular and React. Mentored developers, provided architectural guidance, and fostered strong cross-team collaboration to improve delivery.

Tech Lead at HCL Technologies

March 1, 2016 - December 31, 2016

Served as Tech Lead for Caterpillar Inc., managing end-to-end software delivery. Implemented CI/CD pipelines to streamline deployments and reduce release times. Mentored mid-level developers and supported team growth and delivery excellence.

Software Engineer at Servion Global Solution

December 1, 2014 - February 28, 2016

Delivered frontend solutions for AT&T including UI branding systems and dynamic dashboards. Collaborated on API integrations and implemented end-to-end testing improving reliability. Provided end-user support for critical issue resolution and system stability.

Software Developer at Digient Technologies

November 1, 2012 - November 30, 2014

Developed interactive dashboards and gaming applications. Contributed architectural input and applied object-oriented principles to ensure code quality and scalability.

Software Developer at DCKAP Technologies

November 1, 2011 - October 31, 2012

Developed and maintained in-house and client-facing web applications. Collaborated with stakeholders for scalable solutions and implemented reusable code and robust APIs.

Freelancer at Scribbles

June 1, 2009 - June 30, 2011

Built custom websites for small businesses, adapted to new technologies, and managed client relationships to ensure successful delivery.