sumit T
Full Stack Java Developer
About
Enthusiastic Full Stack Java Developer with 1+ year of professional experience building secure, scalable, and responsive web applications, complemented by hands-on experience in AI data labeling and annotation for autonomous driving systems. Strong expertise in Spring Boot, Spring Security, Hibernate, and RESTful API development on the back end, combined with a solid front-end skill set in React.js, JavaScript, HTML5, and CSS3. Proven ability to design and integrate end-to-end features from database schema and REST APIs to dynamic user interfaces using industry-standard tools and frameworks.
Skills & Expertise (42)
Work Experience
AI Data Labeling Specialist
NVIDIA (via Randstad)
Jun 2026 - Present
Perform high-precision data labeling and annotation for autonomous driving datasets, tagging objects, lanes, and scene elements across video and image frames to support AI model training. Apply structured annotation guidelines to ensure consistency and accuracy across large-scale datasets used in perception and computer vision pipelines. Conduct quality review and validation of labeled data, identifying edge cases and flagging inconsistencies to improve dataset reliability. Collaborate with cross-functional review teams to refine labeling standards and streamline annotation workflows.
Full Stack Java Developer (Intern)
Binary Phoenix Pvt. Ltd.
Mar 2025 - Apr 2026
Developed and maintained full-stack web applications using Spring Boot (back end) and React.js (front end), delivering responsive and user-friendly features aligned with business requirements. Designed and implemented secure RESTful APIs for core modules including user management, data processing, and reporting; consumed APIs on the React.js frontend using Axios. Integrated Spring Security with JWT-based authentication and role-based access control to protect application endpoints and manage user sessions securely. Built Hibernate ORM mappings and optimized MySQL queries for complex relational data models; used MySQL Workbench for schema design and query analysis. Analyzed existing codebases to identify required changes per business specifications and prepared detailed technical documentation for new features and system modifications. Collaborated on Git-based version control workflows, participated in code reviews, and contributed to debugging and QA testing cycles using Postman for API validation. Applied microservices concepts and Spring MVC design patterns to structure back-end modules for scalability and maintainability.
Assistant Maintenance Engineer
MBC Infra Space Pvt. Ltd.
Jul 2019 - Aug 2020
Assisted in operational monitoring and maintenance of infrastructure systems; maintained technical documentation and equipment records.
Education
B.E. in Electrical & Power Engineering
2015 - 2019 · Afghanistan
Certifications
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Skills (42)
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