Summary
Overview
Work History
Education
Skills
Timeline
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Ejaz Ali Khan

Bengaluru

Summary

Java Developer with 5+ years of experience in building scalable applications using Java, Spring Boot, REST APIs, and SQL databases. Strong in system design & logic building with a focus on writing clean and efficient code.

Overview

5
5
years of professional experience

Work History

Product Lead – Cellarco AI (Part-Time)

CellarCo AI
01.2025 - Current
  • Drove the end-to-end development of Cellar’s AI powered app, transforming early stage concepts into a scalable product.
  • Designed backend services using Java, Spring Boot, and REST APIs, integrating AI models into production workflows.
  • Collaborated with founders, engineering, and UX teams to define technical specs, user flows, and system architecture.
  • Implemented feature prioritization, testing, and iterative releases, balancing performance, scalability, and user experience.

Senior Java Developer - Strategy

Masai
05.2023 - Current
  • Led end-to-end development of multiple edtech platforms, working in Agile teams with Jira for sprint planning and delivery.
  • Assess: Built an automated coding evaluation platform using Java, Spring Boot, and SQL, reducing grading time by 50% and improving evaluation consistency.
  • AI Mock Interviewer: Developed an AI-driven interview simulator integrating Java services, NLP models, and scoring algorithms, achieving 82% accuracy vs. professional assessments and scaling to 1000+ monthly evaluations.
  • Copper (Anti-Plagiarism Tool): Engineered a Java + AI-powered proctoring system with webcam monitoring and behavioral analytics, reaching 89% plagiarism detection accuracy.
  • Placed: Created a skill based job recommendation engine with Java microservices and database-driven matching logic, improving placement rates by 1.8x.
  • Designed and deployed an intervention framework backend to track learner progress and provide personalized support, boosting placement readiness in the bottom 25%.

Junior Backend Developer - Instructional Associate

Masai
10.2022 - 04.2023
  • Handled the backend of the Online Judge (OJ) platform for solving DSA problems using Java, Spring Boot, and SQL, ensuring smooth execution and evaluation of submissions.
  • Mentored 500+ students in Java, DSA, and system design through standup, code reviews, and 1:1 sessions.
  • Guided learners in debugging, problem-solving, and project development, improving coding proficiency.
  • Partnered with curriculum & product teams to deliver structured learning paths and ensure consistency.
  • Improved learner outcomes by providing actionable feedback and elevating project quality.


Co-Founder

DigitalMentalism
06.2020 - 07.2022
  • Developed 10+ mobile & backend apps using Java, Spring Boot, REST APIs, SQL, adopted by 100+ global performers.
  • Built secure authentication, payment, and analytics systems, improving performance and scalability.
  • Led tech roadmap & iterative releases along with the team, driving 70%+ user retention.


Education

Bachelor of Technology - Computer Science

Synergy Institute of Engineering And Technology
Dhenkanal

Skills

  • Java (Core, Advanced, Java 8)
  • Spring Boot (REST APIs, Microservices)
  • Spring Security, JWT Authentication
  • Maven / Gradle
  • MySQL, PostgreSQL
  • JUnit, Mockito
  • Docker
  • Low Level Design
  • High Level Design
  • Data Structures & Algorithms
  • Git, GitHub
  • Product strategy

Timeline

Product Lead – Cellarco AI (Part-Time)

CellarCo AI
01.2025 - Current

Senior Java Developer - Strategy

Masai
05.2023 - Current

Junior Backend Developer - Instructional Associate

Masai
10.2022 - 04.2023

Co-Founder

DigitalMentalism
06.2020 - 07.2022

Bachelor of Technology - Computer Science

Synergy Institute of Engineering And Technology

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Ejaz Ali Khan