JOJI SEBASTIAN
@jojisebastian
I am a backend software engineer with 3 years' experience building performant REST APIs and scalable systems.
What I'm looking for
I am a backend-focused software engineer with three years' experience building queue-management and product-oriented applications and contributing to 0→1 journeys.
I design and implement performant RESTful APIs using Java 8, Spring Boot and Spring Security, improving response time by 30% and reducing error rates by 20%.
I reduced API latency from 5–15+ seconds to under 1 second through query optimization, indexing and Redis caching. I redesigned appointment scheduling to boost availability by 40% and integrated payments with Razorpay and PayPal.
I refactored CI/CD pipelines and Jenkins builds, cutting build times by 67%, engineered secure OTP notification services and audit logging, and documented technical workflows to onboard new hires. I thrive in Agile teams and prioritize secure, maintainable systems.
Experience
Work history, roles, and key accomplishments
Backend Developer
Bagmo Private Limited
Mar 2022 - Present (3 years 7 months)
Developed and optimized RESTful APIs, improving response time by 30% and reducing error rates by 20%; reduced API latency from 5–15s to under 1s and cut CI build times by 67%. Implemented payment integrations, scheduler and Redis-backed OTP service, redesigned scheduling to boost availability by 40% and improved deployment reliability.
Education
Degrees, certifications, and relevant coursework
Mangalam College of Engineering
Bachelor of Engineering, Computer Science
2015 - 2019
Bachelor of Engineering in Computer Science at Mangalam College of Engineering, completed from 2015 to 2019.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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