Experienced Full-Stack Developer specialized in Python and the MERN stack with 5+ years of experience. Built and deployed robust applications using JavaScript, ReactJS, NodeJS, ExpressJS, Python, Django, and Flask. Expertise in technical design, process improvement, and mentoring junior developers to ensure high code quality across teams. Skilled in accurate time estimation, release management, and enhancing team productivity through agile methodologies. Strong problem-solving abilities and effective communication skills for seamless collaboration with stakeholders and cross-functional teams.
Hi, I’m
Jebin K Koshy
Trivandrum
Summary
Overview
5
years of professional experience
1
Certification
Work History
ShopalystTrivandrum
Software Engineer II
09.2022 - Current
Job overview
- Led the design and development of web applications using the MERN stack and Python, resulting in a 25% improvement in user engagement due to a more responsive and intuitive UI/UX.
- Developed RESTful APIs, handling up to 10,000 daily requests and reducing API response time by 15%, streamlining the connection between front-end interfaces and back-end services.
- Implemented authentication and authorization using JWT, OAuth2, and third-party login providers (Google, Facebook), enhancing user security and increasing user registration by 20%.
- Worked with MongoDB and Elastic Search to design and optimize database schemas, resulting in a 30% reduction in query response times and a 10% improvement in overall database performance.
- Utilized AWS services (EC2, S3, Lambda), enabling 99.9% application uptime and handling a 40% increase in traffic without performance degradation.
- Collaborated with the DevOps team to set up CI/CD pipelines using Jenkins and Docker, reducing deployment times by 50% and minimizing production bugs by 20%.
- Implemented caching solutions using Redis, reducing application response times by 30% and decreasing server load during peak usage by 25%.
- Conducted unit and integration testing using Jest and PyTest, achieving 95% code coverage and reducing production bugs by 40%.
- Mentored junior developers and conducted code reviews, increasing team productivity by 15% and improving code quality, leading to a 20% reduction in project turnaround time.
INFOSY LIMITEDTrivandrum
Senior Systems Engineer
01.2020 - 09.2022
Job overview
- Assessed organizational technology infrastructure and managed cloud migration, reducing operational costs by 25% and improving system scalability by 30%.
- Developed disaster recovery plans, cutting downtime during unforeseen events by 40% and ensuring 99.9% system availability.
- Troubleshot hardware and software issues related to server systems, reducing issue resolution time by 35% and ensuring 95% uptime.
- Monitored system performance metrics (disk space, CPU, memory, network traffic), optimizing resource utilization and improving system performance by 20%.
- Developed and executed test cases to ensure software reliability, increasing system performance by 25% and reducing bug occurrence by 15%.
Ezdan InstituteKollam
Tutor
05.2019 - 12.2019
Job overview
- Substituted for teachers, delivering lessons to over 200 students across various subjects, ensuring a 95% lesson plan adherence for classroom continuity.
- Collaborated with teaching staff to develop coordinated educational strategies, improving student performance and engagement by 20%.
- Taught classes on Quantity Surveying and Project Management, instructing over 100 students and enhancing their project management skills using Oracle Primavera, resulting in a 30% improvement in project completion efficiency.
Education
Birla Institute of Technology and SciencePilani
M.Tech from Data Science and Engineering
01.2024
University Overview
Mar Baselios College of Engineering and TechnologyTrivandrum
B.Tech
01.2019
University Overview
GPA: 7.66 CGPA
SNSM Higher Secondary SchoolKollam
Intermediate from Science
01.2015
University Overview
GPA: 89 %
Skills
- Front-End: HTML5, CSS3, JavaScript, Reactjs, Redux, Nextjs, TypeScript, Bootstrap, Material-UI
- Back-End: Nodejs, Expressjs, Python (Flask, Django), RESTful APIs, GraphQL
- Databases: MongoDB, MySQL, Elastic Search, Redis
- Version Control: Git, GitHub, GitLab
- Cloud Services: AWS (EC2, S3, Lambda, RDS), Azure, Docker, Kubernetes
- CI/CD: Jenkins, GitLab CI, Docker, Kubernetes
- Testing: Jest, Postman, PyTest
- Others: Linux, Nginx, WebSockets, JWT Authentication, Agile/Scrum, Microservices
Certification
- Infosys Certified Python Programmer
- Infosys Certified Robotics Developer
- Azure Fundamentals AZ-900
- Infosys Certified Front-End Web Developer
- Infosys Global Agile Developer Certification
- Infosys Certified Mongo Developer
- Certificate in Project Planning and Management
- RSDCA Level 2 Certified QA/QC Engineer
- RSDCA Certified Quantity Surveying
- Integrated Waste Management for a Smart City from IIT Kharagpur (NPTEL)
Awards
Awards
- Secured 2nd position in Engine Dismantle and Assembly event as part of Itiha National Techno Cultural Fest - 2018
- Worked as the Coordinator of the Discipline team during the Crossroads, the annual techno-cultural fest of MBCET, Trivandrum - 2018
- Secured 2nd position in Hack Squad event as part of Drishti, CET Trivandrum - 2018
- Got certificate from the Department of Technical Education for the work done as part of the post-flood rehabilitation programme in Kerala - 2018
Languages
English
First Language
Hindi
Proficient (C2)
C2
Malayalam
Proficient (C2)
C2
Timeline
Software Engineer II
Shopalyst
09.2022 - Current
Senior Systems Engineer
INFOSY LIMITED
01.2020 - 09.2022
Tutor
Ezdan Institute
05.2019 - 12.2019
Birla Institute of Technology and Science
M.Tech from Data Science and Engineering
Mar Baselios College of Engineering and Technology
B.Tech
SNSM Higher Secondary School
Intermediate from Science
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