Shashank Kumar Srivastava
AI Trainer / Data Annotator Specialist @ iMerit Technology
About
A Frontend Developer with a strong focus on building scalable, user-centric web applications and delivering clean, maintainable code. My work spans JavaScript (ES6+), React.js, HTML, CSS, and modern UI engineering practices, combined with a strong foundation in data structures, algorithms, and software design principles.I have experience working across frontend projects, including interactive dashboards, AI-powered applications, and API-driven web platforms. My recent work involves:• building responsive, performance-optimized UI components in React.js• integrating REST APIs and real-time data workflows• improving usability, accessibility, and page experience• collaborating in Agile, product-oriented environmentsI am deeply motivated by problem-solving, product thinking, and engineering craftsmanship with a learning mindset and strong ownership approach toward every project I work on.I am currently seeking opportunities in:• Frontend Development• Software / Web Engineering• Product-focused Engineering RolesIf your team values curiosity, discipline, and high-accountability execution, I’d be glad to connect and explore meaningful opportunities.
India
Greater Delhi Area
Computer Software
SaaS, Natural Language Processing (NLP), Large Language Models (LLM), Reinforcement Learning Human Feedback (RLHF), Data Annotation, Mercer | Mettl Talent Assessments, Indeed Assessments, Team Collaboration, Research, Communication, Amazon Web Services (AWS), PostgreSQL, Systems Design, Full-Stack Development, API Development, Databases, Software Development, Responsive Web Design, HTML, HTML5
Experience

AI Trainer / Data Annotator Specialist
◦ Annotated, validated, and reviewed 120,000+ image and text data samples to support machine learning and Large Language Model (LLM) training initiatives while maintaining 98%+ quality accuracy. ◦ Evaluated AI-generated responses for accuracy, relevance, factuality, safety, instruction-following, and overall response quality as part of RLHF and model evaluation workflows. ◦ Performed prompt evaluation, response ranking, and preference assessments to improve model alignment with human expectations and project objectives. ◦ Identified and documented edge cases, annotation inconsistencies, and model failure patterns, enabling continuous improvement of AI training datasets and evaluation processes. ◦ Executed image annotation, classification, categorization, and content moderation tasks across diverse datasets while adhering to detailed annotation guidelines. ◦ Conducted data quality assurance reviews and compliance checks, contributing to a 15%+ reduction in annotation errors and rework. ◦ Processed an average of 300+ annotation and evaluation tasks daily while consistently meeting productivity targets and turnaround time requirements. ◦ Collaborated with QA specialists, project managers, and annotation teams to ensure workflow consistency, dataset reliability, and adherence to client-specific standards. ◦ Produced detailed evaluation reports and feedback documentation that supported model benchmarking, training optimization, and quality improvement initiatives.

Full-stack Developer intern
Contributed to the end-to-end development of scalable web applications, handling both front-end and back-end tasks. Built interactive user interfaces using HTML, CSS, JavaScript, and React.js, ensuring responsive and accessible design. Worked with MongoDB and MySQL for database management, performing CRUD operations and optimizing queries for performance. Collaborated in Agile development cycles, participating in sprint planning, stand-ups, and code reviews. Utilized Git for version control and GitHub for collaboration and codebase management. Contributed to deployment processes using AWS, ensuring smooth rollout of updates and patches. Troubleshot and debugged issues across the stack to maintain application stability and performance. Documented technical processes and created user guides to ensure maintainability and knowledge transfer.

GSSOC Mentor
Mentored participants in the development of a full-stack job application portal, assisting with troubleshooting and resolving issues related to Redux, Node.js, MongoDB, React.js, Express.js, and Tailwind CSS. Provided guidance on implementing features like job search, resume uploads, profile management, and application tracking. Supported participants in building and refining an admin panel for managing users, job listings, and application statuses. Ensured code quality and helped participants meet project milestones throughout the development process.
Shashank Kumar Srivastava's Contact Information
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