Sameer Siddiqui

Senior Software Engineer
Mississauga, CA.

About

Highly accomplished Senior Software Engineer with over 8 years of experience in designing, developing, and deploying scalable, high-performance web applications and components. Specializing in full-stack development with expertise in modern JavaScript frameworks, AI-powered solutions, and robust API integrations. Proven ability to lead complex projects, optimize performance, and drive significant improvements in product discoverability and user engagement within dynamic environments.

Work

Salesforce
|

Senior Member of Tech Staff

Summary

Led the development and optimization of highly scalable, reusable, and accessible web applications and components, driving innovation and enhancing developer experiences across Salesforce platforms.

Highlights

Led development of an AI-powered chatbot, 'Smart Product Selection,' leveraging LLMs and ElasticSearch to significantly boost product discoverability and user engagement.

Architected and developed a robust library of scalable, reusable, and high-performance front-end components with localization and internationalization support, used widely across the organization.

Directed the LWC to React migration initiative, enabling off-platform component reuse and modernizing the front-end tech stack for increased efficiency.

Optimized application performance by cutting UI load time by 30% through worker threads and a custom Event Orchestrator and Data Manager.

Built high-performance SDKs and server-side integrations using Node.js and Express.js, ensuring flexible, secure, and responsive user experiences.

Drove quality standards through rigorous code reviews, architectural design, and mentoring, fostering team growth and ensuring maintainable, scalable codebases.

Collaborated cross-functionally with stakeholders, delivering impactful software releases, resolving production issues, and presenting demos to drive timely project completion.

Larsen & Toubro - Technology Services
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Senior Software Engineer

Summary

Designed, developed, and maintained user-friendly, responsive web GUIs and scalable server-side APIs, contributing to enhanced user experience and system security.

Highlights

Collaborated on the design and development of responsive web GUIs using AngularJS, HTML, and CSS, implementing role-based access, theming, localization, and analytics.

Engineered scalable and mobile-compatible server-side APIs, integrating with external devices via BACnet protocol to ensure long-term maintainability and cross-device support.

Improved application performance and usability by implementing lazy loading, data visualizations for contract stages, and custom dashboards.

Strengthened system security and maintainability by proactively fixing critical vulnerabilities, including XSS and SQL injection.

Parsan Overseas pvt ltd
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Domain Expert

Summary

Provided expert domain knowledge and technical guidance for international projects.

Indian Space Research Organisation
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Research Intern

Summary

Conducted research and contributed to projects within the Indian Space Research Organisation.

Education

University of Petroleum and Energy Studies

Bachelors

Technology

Certificates

Certified Software Developer
Salesforce Certified JS Developer

Issued By

Salesforce

Salesforce Certified AI Associate

Issued By

Salesforce

Certified Scrum Practitioner
Salesforce Trailhead Ranger

Issued By

Salesforce

Skills

Programming Languages

JavaScript, HTML5, CSS, React, Lightning Web Components (LWC), Polymer, Lit, Node.js, TypeScript, Next.js, Jest, JUnit, Selenium WebDriver, QUnit, UTAM, Redux, Zustand, RESTful API, GraphQL API, Webworkers, AngularJS, C#, Java.

Database Technologies

MySQL, MongoDB, IndexDB, SQLite.

Version Control

Git, SVN, Bitbucket.

Agile Methodologies

Scrum, Kanban.

Authentication and Authorisation

Salesforce Role-Based Authorization, Passport.js, Firebase.js.

Frameworks/Libraries

Express.js, ag-grid, Radix, shadcn/ui, tailwind, Flow builder, Einstein Bot, Copilot, LLM Gateway.

Tools & Concepts

Figma, Storybook, BACnet Protocol, UI SDK, Session Management Library, Lazy Loading, Data Visualizations, Code Reviews, Architectural Design, Mentoring, WCAG Compliance, Unit Testing, Automation Testing, Code Coverage.

Projects

Digital Commerce Components (Salesforce)

Summary

Developed reusable, encapsulated e-commerce components and established foundational UI infrastructure for Digital Commerce on Salesforce.

Harmonise (Salesforce)

Summary

Designed and developed an AI chatbot ('Smart Product Selection') and various components within the Salesforce Lightning component library for internal and external users.

CPQ (Configure, Price, Quote) Application (Salesforce)

Summary

Led UI development for the Salesforce CPQ application, focusing on design strategy, UI development, and robust component architecture.

Decision Point Web App for OTIS Elevators (L&T Technology & Services)

Summary

Developed a user-friendly GUI and robust APIs for a web application to track user engagement for OTIS Elevators.

Automated Logic for Equipment Touch Mobile App (L&T Technology & Services)

Summary

Coded the BACNET protocol and developed UI screens for a mobile application, ensuring multilingual support and security.