Custom Web Development
Building secure, scalable, and high-performance websites and web applications tailored to specific business requirements.
Available for freelance and remote work
Freelance Software Developer
5+ Years Experience
I build digital products that perform.
I’m Suraj Kumar, a software developer with 5+ years of experience building responsive websites, scalable web applications, APIs, dashboards, and reliable digital products, with a strong focus on AI-powered development using OpenAI, Claude, and modern AI tools.
const developer =
"Suraj Kumar";
const experience =
"5+ Years";
const focus =
"Quality Products";
0
Years Experience
0
Projects Completed
0
Happy Clients
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Technologies
5+
Years Experience
About Me
Building scalable products with technology & innovation
I’m Suraj Kumar, a software developer with 5+ years of experience designing and developing reliable digital products for startups, businesses, agencies, and growing teams. I focus on turning complex ideas and business requirements into clean, scalable, secure, and user-friendly software solutions.
My experience spans web applications, eCommerce platforms, business dashboards, booking systems, APIs, custom administration panels, third-party integrations, and responsive digital experiences. I also leverage AI-powered tools and technologies, including OpenAI and Claude, to improve development workflows, accelerate problem-solving, and build smarter software solutions.
Clean, scalable & maintainable architecture
Modern full-stack web development
AI-powered development with OpenAI & Claude
Performance, security & optimization
What I Do
Software solutions designed to solve real business challenges
From strategy and development to integration and deployment, I build scalable, secure, and user-focused digital products that help businesses turn ideas into practical solutions.
Frontend Development
Creating responsive, accessible, SEO-friendly, and interactive user interfaces using React, Next.js, TypeScript, Bootstrap, and modern web technologies.
Backend Development
Developing robust backend systems, REST APIs, authentication, business logic, and scalable application architectures using PHP, Laravel, Node.js, and Express.js.
API Development & Integration
Designing and integrating REST APIs, payment gateways, social authentication, third-party services, and external business platforms.
Mobile App Development
Building cross-platform Android and iOS applications with React Native, connected seamlessly with reliable backend APIs and services.
AI Integration & Automation
Integrating AI-powered solutions using OpenAI, ChatGPT, Claude, Gemini, AI assistants, intelligent automation, and AI-driven business workflows.
DevOps & CI/CD
Setting up CI/CD workflows, Docker environments, Git-based development processes, automated deployments, monitoring, and reliable release pipelines.
VPS & Cloud Server Management
Configuring and managing Linux VPS and cloud environments including Ubuntu, Apache, Nginx, SSH, SSL, firewalls, backups, and server optimization.
Hosting & Deployment
Deploying and managing production applications with cPanel, HestiaCP, Plesk, Cloudflare, DNS, domains, email services, and modern hosting platforms.
Database Architecture
Designing, optimizing, and maintaining reliable database systems using MySQL, PostgreSQL, MongoDB, Redis, and scalable data architectures.
Performance & Security
Improving application performance, Core Web Vitals, caching, SEO, server security, vulnerability protection, and overall system reliability.
Maintenance & Technical Support
Providing ongoing maintenance, monitoring, bug fixing, upgrades, feature enhancements, performance improvements, and long-term technical support.
Freelance Development Services
Flexible software support for ambitious ideas
Hire me for a focused task, a complete product, or ongoing technical support. Every engagement includes clear communication, maintainable code, responsive implementation, and practical delivery planning.
Current availability
Open for selected projects
01
Build
New Product Development
From initial idea to production-ready website, application, dashboard, or custom platform.
- Technical planning
- Responsive UI development
- Backend and database setup
02
Improve
Website & UI Modernization
Upgrade an outdated interface, improve mobile usability, and create a cleaner visual system.
- UI and UX improvements
- Speed optimization
- Accessibility fixes
03
Connect
API & System Integration
Connect your product with payments, CRM tools, maps, email platforms, or custom APIs.
- Third-party API integration
- Authentication and security
- Data synchronization
04
Support
Maintenance & Development Retainer
Ongoing technical support for bug fixes, improvements, releases, and product stability.
- Priority bug fixing
- Feature improvements
- Regular technical review
Simple Working Process
A clear path from brief to delivery
Discovery
We discuss your goals, users, scope, priorities, and current technical setup.
Planning
I define the solution, milestones, technology, estimate, and delivery plan.
Development
The product is developed in clear stages with regular updates and review points.
Launch
Final testing, deployment, documentation, handover, and post-launch support.
Work With Me
Online
Find me on your preferred freelance platform
Connect with me through any of these platforms for freelance projects, consulting, or long-term collaborations.
Verified Profile
Top Rated
100% Success Rate
Technical Skills
Tools I use to build dependable products
These are my core tools that I use daily to create high-quality digital products.
Core Expertise
Technology Stack
HTML5
CSS3
Bootstrap
JavaScript
jQuery
React
Node.js
PHP
Laravel
WordPress
MySQL
Git
Docker
Cloud
Professional Experience
Experience shaped by real-world products and challenges
A journey of building, improving, and delivering reliable software solutions across web applications, APIs, dashboards, eCommerce, integrations, and modern digital products.
Senior Full Stack Developer
Jamtech Technologies Pvt. Ltd.
Lucknow, Uttar Pradesh, India
Building scalable web applications, REST APIs, AI-powered solutions, and modern software systems.
Laravel, PHP, React.js, Next.js, Node.js, React Native, JavaScript, TypeScript, MySQL, PostgreSQL, MongoDB, Redis, OpenAI, Gemini, Docker, Git, Linux, Cloudflare
Full Stack Developer
Kraftors Web Solutions Pvt. Ltd.
Lucknow, Uttar Pradesh, India
Developing responsive websites, web applications, APIs, and business solutions for clients.
PHP, Laravel, JavaScript, HTML5, CSS3, Bootstrap, jQuery, MySQL, REST API, Git, Apache, cPanel
Selected Work
Turning ideas into powerful digital experiences
Explore some of the platforms and applications I've designed and developed to solve real-world problems.
BookYourOwn - Hotel Booking Platform
Enterprise hotel booking platform with channel manager integration, dynamic room pricing, reservation management, Google Hotel Center connectivity, and OTA XML synchronization.
LawChatGPT - AI Legal Assistant
AI-powered legal assistant enabling intelligent document analysis, legal Q&A, user dashboard, AI chat, and workflow automation for legal professionals.
Reliant Staffing Management System
Recruitment and staffing management platform with candidate tracking, employee management, client management, reporting, and workflow automation.
eLineHR - HR & Payroll Platform
Complete HRMS solution featuring employee records, attendance, payroll, leave management, recruitment, and performance monitoring.
QuickToJobs - Job Portal
Modern recruitment portal allowing employers to post jobs, manage applicants, schedule interviews, and track hiring processes.
Yoppi - AI Website Builder
AI-powered WordPress website builder that enables users to generate complete websites from a website name and description, with AI content generation, WordPress and Elementor support, authentication, project management, responsive dashboards, and scalable REST APIs.
Marketplace & eCommerce Solutions
Multiple eCommerce and marketplace solutions including online stores, inventory management, order processing, vendor management, and payment integration.
Hari Trust Donation Platform
Donation and grocery assistance platform supporting online donations, beneficiary management, campaigns, payment processing, and administration.
SkyG Radio Streaming Platform
Online radio streaming platform featuring live streaming, media management, responsive UI, and content administration.
Orange Moon Social Platform
Custom web application with secure authentication, dashboard, user management, notifications, and scalable backend services.
Tracking Software Dashboard
Interactive tracking dashboard with analytics, reporting, responsive UI, charts, and real-time monitoring features.
Stationary For You - eCommerce Store
Complete online stationery shopping platform featuring product catalog, shopping cart, secure checkout, order management, customer accounts, and responsive design.
Stationary For You - Admin Dashboard
Powerful administration panel for managing products, categories, inventory, orders, customers, coupons, reports, and website settings.
Hari Trust Grocery Distribution System
Digital grocery distribution platform developed for charitable organizations to manage beneficiaries, grocery requests, donations, inventory, and delivery operations.
HME Company Corporate Website
Professional corporate website with responsive design, service management, inquiry forms, SEO optimization, and content management features.
Multi-Platform REST API Development
Secure RESTful APIs powering hotel booking systems, HR platforms, AI applications, job portals, eCommerce platforms, and mobile applications with authentication and third-party integrations.
Payment Gateway & Third-Party Integrations
Third-party integrations including payment gateways, Google Hotel Center, AI APIs, SMS services, email services, authentication systems, and external business APIs across enterprise applications.
Worksuite ERP & Business Management
Enterprise-grade ERP and business management platform with project management, CRM, HRM, employee management, attendance, payroll, finance, invoicing, time tracking, support tickets, reports, RBAC, notifications, and dashboard analytics.
Client Reviews
Trusted by clients across freelance and direct projects
Real feedback from clients who've worked with me on various projects.
5.0
Average rating from 45+ reviews
Clear communication
Reliable delivery
Maintainable code
fi
Fiverr Client
Verified
"A Don Dev converted our requirements into a clean, responsive application. Communication was consistent, the code was organized, and delivery was smooth."
Full-stack web application
Daniel Carter
Startup Founder, UK
up
Upwork Client
Verified
"The dashboard was delivered with a professional UI, accurate reporting, and responsive layouts. Every milestone was explained clearly before delivery."
Business analytics dashboard
Sophia Martin
Operations Manager, Canada
Direct Client
Verified
"Our old website became significantly faster and easier to use on mobile. The redesign respected our brand while improving the overall customer journey."
Website redesign and optimization
Michael Reed
Product Director, Australia
fi
Fiverr Client
Verified
"The API integration was completed carefully and included useful error handling. We received clear setup notes and support after the final delivery."
CRM and payment API integration
Olivia Brooks
eCommerce Manager, US
up
Upwork Client
Verified
"A Don Dev handled several urgent fixes without introducing new problems. The work was methodical, well tested, and documented for our internal team."
Maintenance and production support
Ethan Wilson
Technical Lead, Germany
Direct Client
Verified
"The booking platform works smoothly across desktop and mobile. Complex availability rules were implemented in a way our staff can manage easily."
Service booking platform
Emma Turner
Business Owner, New ZealandHave a project that needs a reliable developer?
I can help you plan, design, build, improve, or maintain your next website or software product.
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Let's discuss your next software project
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Contact Information
Available for freelance, contract, remote, and long-term software development opportunities.
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