Sayooj Vylappully Rajeev
Available for new opportunities

Sayooj Vylappully
Rajeev

Senior Fullstack Developer

Crafting scalable, high-performance web experiences with over 10 years of expertise across React, Node.js, and modern frontend architecture.

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10+
Years experience
5
Companies
10+
Technologies
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01

About

I'm a Senior Fullstack Developer based in Berlin, Germany, with over 10 years of hands-on experience building robust, scalable web applications across a wide range of industries and domains.

My core expertise lies in React and Redux, where I specialise in micro-frontend architectures, component-driven design, and performance optimisation. I've worked across the full stack, with solid experience in Node.js and Go, and a strong foundation in testing and code quality.

I thrive in collaborative environments where I can contribute to both technical strategy and hands-on implementation — from writing clean, maintainable code to conducting thorough code reviews and mentoring junior developers.

✦ ISTQB Foundation Level Certified
LocationBerlin, Germany
Emailsayoojvylappully [at] gmail.com
Phone+49 176 74559819
GitHubgithub.com/sayumani
LinkedInlinkedin.com/in/sayooj-v-r
FocusFullstack · React · Node.js · Go
02

Experience

Senior Frontend Developer
May 2022 — Present
Market Logic Software · Berlin, Germany
  • Led the development of newly launched products using modern frontend technologies with a focus on scalability and maintainability.
  • Built and shipped features using React.js and Redux within a micro-frontend architecture, enabling independent team deployments at scale.
  • Designed efficient, reusable component systems to improve development velocity across teams.
  • Authored comprehensive unit tests covering edge cases to ensure robustness and long-term reliability.
  • Conducted code reviews and actively contributed to cross-team technical and architecture discussions.
Senior Engineer
Mar 2020 — Apr 2022
QBurst · Remote
  • Developed RESTful web APIs in Go, consumed by both admin and customer-facing portals.
  • Built data batch processing pipelines in Go to transform and prepare data for portal consumption.
  • Integrated Elasticsearch to deliver fast, efficient search results across large datasets.
  • Implemented and reviewed admin portal UI using React.js, ensuring consistent code quality.
  • Created technical specifications, delegated tasks to junior developers, and maintained Swagger API documentation via Jira.
Project Associate
May 2019 — Mar 2020
Cognizant
  • Developed RESTful web APIs integrated with the core web application.
  • Translated wireframes into fully responsive, accessible web pages.
  • Built reusable UI components and contributed to shared frontend libraries.
  • Wrote unit and end-to-end test cases for an Angular web application using Protractor.
Software Engineering Specialist
May 2017 — Apr 2019
Baker Hughes
  • Developed web APIs using Node.js to support internal data services.
  • Built new user-facing features and reusable component libraries using Angular and React.
  • Optimised application performance across a wide range of browsers and devices.
  • Managed bug tracking and issue history using Jira.
Software Engineer
Dec 2015 — May 2017
UST
  • Developed user-facing features using Angular and React, translating designs into interactive UI components.
  • Built reusable frontend libraries to improve team-wide development efficiency.
  • Optimised component performance across a broad range of web-capable devices and browsers.
03

Skills

Frontend
React.jsReduxAngularHTML5CSS3Micro FrontendsTailwind CSS
Backend & APIs
Node.jsGo (Golang)RESTful APIsSwaggerElasticsearch
Languages
JavaScript (ES6+)TypeScriptGoHTMLCSS
Database & Cloud
PostgreSQLAWSGCPElasticsearch
Testing
Unit TestingE2E TestingProtractorPlaywrightISTQB Certified
Tools & Workflow
GitJiraCI/CDTerraformDockerAgile / Scrum
04

Education

2011 — 2015
B.Tech in Computer Science & Engineering
College of Engineering, Kerala
Score: 71.8%
2009 — 2011
Higher Secondary Education
Kerala State Board · Computer Science
Score: 91%
2008 — 2009
SSLC
Kerala State Board
Score: 90%

Let's build something great together.

I'm always open to discussing new opportunities, interesting projects, or just a conversation about technology. Feel free to reach out.

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