Summary
Overview
Work History
Education
Skills
Projects
Languages
Areas Of Interest
Websites
References
Timeline
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Tejeshwar kumar

Tejeshwar kumar

Jamshedpur

Summary

Seasoned Software Engineer with over 6 years of experience delivering scalable, high-performing web applications using Angular (v12+), Node.js, and AWS. Proven record at Ryanair Airlines enhancing user experience, integrating secure payment flows, and leading feature rollouts. Adept in microservices, DevSecOps principles, CI/CD, serverless architecture, and cloud-native development. Passionate about building robust solutions in high-scale environments, like aviation and fintech.

Overview

7
7
years of professional experience

Work History

Senior Software Engineer

Ryanair Airlines
Wroclaw
01.2024 - Current
  • Developed and maintained secure, scalable micro-frontends using Angular 14+, integrating payment methods like Apple Pay and PayPal.
  • Implemented DevSecOps practices with automated tests (Jasmine/Karma), CI/CD, and feature toggles (LaunchDarkly).
  • Ensured PCI compliance and performed A/B testing to improve conversion rates by 15%.
  • Integrated monitoring and alerting across Node.js services using AWS CloudWatch and custom scripts.
  • Collaborated cross-functionally with design, business, and back-end teams for feature delivery.

Senior Software Engineer

IXFI
12.2021 - 01.2024
  • Designed a scalable serverless architecture for crypto exchange using Angular 12, Node.js, and AWS Lambda.
  • Built secure REST APIs with JWT and optimized database performance using MongoDB indexing.
  • Developed a dynamic crypto converter UI and custom in-house charting solutions, reducing API costs by 40%.
  • Led technical interviews and mentored junior developers.

Project Lead Developer

COOEE
London
02.2021 - 11.2021
  • Created a no-code platform with dynamic Angular 9 components for personalization and analytics.
  • Built a WhatsApp bot using Electron.js for hyper-local content distribution.
  • Deployed CI/CD pipelines and managed AWS infrastructure.

Founding Engineer

Cartificer
Kolkata
05.2019 - 06.2020
  • Developed app providing instant quotations for over 30 services across 300+ car models.
  • Implemented order placement and service tracking features to enhance user experience.
  • Deployed application on Amazon Web Services for improved reliability and scalability.
  • Created server-side rendering solution using Angular to optimize SEO for single-page applications.

Founding Engineer

Gamux
India
01.2018 - 04.2019
  • Established a fully automated platform for organizing tournaments on Gamux website using MEAN stack and Firebase.
  • Deployed platform on Google Cloud to enhance accessibility and performance.
  • Developed a notification system utilizing sockets for real-time updates on tournament scores and events.

Education

Bachelor of Technology - Information Technology

Techno India Salt Lake
Kolkata
07.2021

Matriculation | Intermediate - science

D.A.V Public School NIT Jamshedpur
Jamshedpur

Skills

  • Frontend: Angular 12–16, HTML5, CSS3, TypeScript, JavaScript, Material UI, Bootstrap, RxJS, Protractor, Karma, Jasmine
  • Backend: Nodejs, Express, REST APIs, Redis, RabbitMQ, cron jobs
  • Cloud & DevOps: AWS (Lambda, EC2, S3, RDS), Firebase, GCP, GitLab CI/CD, Docker, Nginx, LaunchDarkly
  • Databases: MongoDB, PostgreSQL, MySQL, InfluxDB
  • Tools: Git, GitHub, Bitbucket, SonarQube, Veracode, Webpack, Grunt
  • Practices: DevSecOps, Microservice Architecture, Secure Coding, TDD, Agile/Scrum

Projects

Reedly, Developed a Reader view web app which filters any article based website from noise, ads, offers etc. Append reedly.io as a prefix in target website URL to get the reader view of that website or go to www.reedly.io and enter the URL of the target website. Developed on MEAN stack and deployed on Heroku and Firebase.

Languages

  • Javascript
  • Typescript
  • C/C++
  • Python

Areas Of Interest

  • AI
  • Cyber-security
  • Fintech
  • Travel
  • System design
  • Cloud computing
  • Blockchain
  • Equity Index Trading

References

References available upon request.

Timeline

Senior Software Engineer

Ryanair Airlines
01.2024 - Current

Senior Software Engineer

IXFI
12.2021 - 01.2024

Project Lead Developer

COOEE
02.2021 - 11.2021

Founding Engineer

Cartificer
05.2019 - 06.2020

Founding Engineer

Gamux
01.2018 - 04.2019

Bachelor of Technology - Information Technology

Techno India Salt Lake

Matriculation | Intermediate - science

D.A.V Public School NIT Jamshedpur

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Tejeshwar kumar