Hi, I'm Shahnewaz.
RSS FeedBuilding scalable enterprise SaaS and AI-integrated web applications. Focused on clean architecture, performance, and creating user-friendly interfaces that support real product growth.
Work Experience
TypeScript Engineer
SME Careers · Contract
Contributed to training LLMs by designing software engineering tasks, reference implementations, and technical explanations. Leveraged expertise in TypeScript and React to enhance AI code generation, debugging, reasoning, and overall model reliability.
Senior Frontend Engineer
Gain Solutions · Full-Time
Led frontend development of multiple SaaS products (CRM, HRM, Sales, and Customer Support) serving 70k+ users, driving architecture, technical decisions, and reliable feature delivery. Improved Core Web Vitals from 2s to 0.5s, reduced production issues through comprehensive automated testing and CI/CD, strengthened application security, integrated AI-powered recruitment workflows, and mentored engineers to grow into mid-level roles.
JavaScript Developer - Frontend
Gain Solutions · Full-Time
Developed a property management platform with interactive analytics, scalable architecture, and a cross-project design system of 35+ reusable components. Improved accessibility (WCAG), user experience, and engagement, built a multi-tenant role-based authentication and authorization system, integrated Stripe billing workflows, and collaborated closely with international product and QA teams to deliver scalable business solutions.
Frontend Developer
TechForing Ltd. · Full-Time
Built HRMS and recruitment modules (accounts, employees, hiring) from design to production for internal and global users. Supported Django backend by fixing issues, including email template bugs.
Frontend Web Developer (Internship)
Minority Programmers Association, USA · Full-Time
Built LMS features during a remote internship. Worked with global developers in a distributed team.
Education
Daffodil International University
Bachelor in Computer Science & Engineering
Skills
- JavaScript
- TypeScript
- Node.js
- React
- Next.js
- HTML
- Micro Frontends
- State Management
- Styling & UI Components
- GraphQL & REST APIs
- Performance & SEO
- Git & GitHub
- Testing & Debugging
- CI/CD & Deployment
- Cloud Computing
- Agile & Scrum
- Problem Solving
- Code Review & Collaboration
- Software Architecture