I’m Sumit Mishra, a full stack developer who enjoys building reliable products end-to-end—from backend workflows and REST APIs to responsive user interfaces. I’ve worked on large-scale, real-world systems for the Indian Railways, where I focused on improving fare-rule processing, ticketing logic, and passenger-facing stability through careful testing and defect resolution. I also enjoy creating AI-powered applications. In my projects, I’ve led development of an AI security assistant using LLM tooling and secure authentication, and I’ve built chatbot experiences with fast, context-aware response handling. I like collaborating across teams (Android, QA, DevOps, and domain experts), documenting workflows clearly, and continuously improving performance, maintainability, and quality.…

Sumit Mishra

I’m Sumit Mishra, a full stack developer who enjoys building reliable products end-to-end—from backend workflows and REST APIs to responsive user interfaces. I’ve worked on large-scale, real-world systems for the Indian Railways, where I focused on improving fare-rule processing, ticketing logic, and passenger-facing stability through careful testing and defect resolution. I also enjoy creating AI-powered applications. In my projects, I’ve led development of an AI security assistant using LLM tooling and secure authentication, and I’ve built chatbot experiences with fast, context-aware response handling. I like collaborating across teams (Android, QA, DevOps, and domain experts), documenting workflows clearly, and continuously improving performance, maintainability, and quality.…

Available to hire

I’m Sumit Mishra, a full stack developer who enjoys building reliable products end-to-end—from backend workflows and REST APIs to responsive user interfaces. I’ve worked on large-scale, real-world systems for the Indian Railways, where I focused on improving fare-rule processing, ticketing logic, and passenger-facing stability through careful testing and defect resolution.

I also enjoy creating AI-powered applications. In my projects, I’ve led development of an AI security assistant using LLM tooling and secure authentication, and I’ve built chatbot experiences with fast, context-aware response handling. I like collaborating across teams (Android, QA, DevOps, and domain experts), documenting workflows clearly, and continuously improving performance, maintainability, and quality.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
See more

Language

Javanese
Advanced

Work Experience

Full Stack Developer at Indian Railway (Ministry of Railway)
January 1, 2022 - January 1, 2025
Worked on the Unreserved Ticketing System (UTS), enhancing backend workflows and improving passenger ticket access reliability. Optimized fare-rule and passenger-profile mappings by migrating to Spring Boot, reducing boilerplate code by ~30% and improving maintainability. Implemented Camunda DMN rules for fare calculation, platform assignment, and journey validation, improving rule performance by ~60%. Leveraged existing Indian Railways APIs to speed development (reduced effort by ~30%) for querying and ticket-history retrieval. Built unit and integration tests across booking, cancellation, and wallet flows to keep SonarQube quality above 90%. Resolved 12+ critical issues affecting journey validation and ticket generation logic, improving data accuracy by ~18%. Coordinated with Android, backend, QA, and DevOps teams to deliver UTS enhancements, and documented booking workflows, platform rules, QR validation, and API contracts. Fixed 12+ production defects related to fare calculation, t

Education

Bachelor of Technology (B.Tech) in Computer Science Engineering at MIT ADT University
January 1, 2019 - January 1, 2022
Diploma in Computer Science at CV Raman University
January 1, 2016 - January 1, 2018

Qualifications

Skill Mastery Certification in Low-Level Design – Scaler
January 11, 2030 - September 15, 2026
Skill Mastery Certification in Advanced Language Concepts (Java) – Scaler
January 11, 2030 - September 15, 2026
Skill Mastery Certification in Backend Development (Spring Boot) – Scaler
January 11, 2030 - September 15, 2026
Skill Mastery Certification in Data Structures and Algorithms – Scaler
January 11, 2030 - September 15, 2026
Skill Mastery Certification in SQL – Scaler
January 11, 2030 - September 15, 2026
Full Stack Development Certification – Great Learning
January 11, 2030 - September 15, 2026

Industry Experience

Government, Transportation & Logistics, Software & Internet

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
See more