You will get Senior API Developer | API Integration, Python, Node.js, PHP | Custom APIs
Rising Talent
Rising Talent
Project details
You will get secure, scalable, and production-ready APIs built by a Senior Full-Stack Developer with 7+ years of experience in API Development, API Integration, Python, Node.js, and backend architecture.
I help startups, SaaS companies, and businesses build custom APIs, third-party integrations, SaaS backends, authentication systems, dashboard APIs, and enterprise-grade backend solutions. Whether you need a new API, payment gateway integration, AI-powered backend, or a complete SaaS infrastructure, I can deliver a reliable solution tailored to your business requirements.
What you'll get:
✓ Custom API Development
✓ API Integration & Third-Party Services
✓ Authentication & Authorization APIs
✓ FastAPI, Node.js & REST API Development
✓ SaaS Backend Development
✓ Dashboard & Admin APIs
✓ PostgreSQL, MySQL & MongoDB Integration
✓ OpenAI & Claude API Integration
✓ AI Chatbot & AI Agent APIs
✓ Secure Validation & Error Handling
✓ API Documentation (Swagger/OpenAPI)
✓ Clean, Scalable Source Code
✓ Deployment Support
Every API is built with a focus on security, performance, scalability, maintainability, and long-term business growth.
I help startups, SaaS companies, and businesses build custom APIs, third-party integrations, SaaS backends, authentication systems, dashboard APIs, and enterprise-grade backend solutions. Whether you need a new API, payment gateway integration, AI-powered backend, or a complete SaaS infrastructure, I can deliver a reliable solution tailored to your business requirements.
What you'll get:
✓ Custom API Development
✓ API Integration & Third-Party Services
✓ Authentication & Authorization APIs
✓ FastAPI, Node.js & REST API Development
✓ SaaS Backend Development
✓ Dashboard & Admin APIs
✓ PostgreSQL, MySQL & MongoDB Integration
✓ OpenAI & Claude API Integration
✓ AI Chatbot & AI Agent APIs
✓ Secure Validation & Error Handling
✓ API Documentation (Swagger/OpenAPI)
✓ Clean, Scalable Source Code
✓ Deployment Support
Every API is built with a focus on security, performance, scalability, maintainability, and long-term business growth.
Programming Languages
PHP, JavaScript, PythonCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$149
|
Standard
$699
|
Advanced
$1,999
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 13 days |
Number of Revisions | 2 | 3 | Unlimited |
Number of Pages | 1 | 3 | 10 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Frequently asked questions
About Saqlain
Full Stack Developer | SaaS & AI | React, Next.js, Node.js, Python
Okara, Pakistan - 2:47 am local time
I help startups, founders, and growing businesses build software that is designed to scale, easy to maintain, and ready for real users, not just launch.
𝗔𝗯𝗼𝘂𝘁 𝗠𝗲
Many software products launch successfully. Far fewer remain fast, scalable, and easy to maintain as the business grows.
I'm a 𝗦𝗲𝗻𝗶𝗼𝗿 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 7+ years of experience helping startups, agencies, and businesses build SaaS platforms, AI applications, custom web applications, and enterprise software.
I work directly with clients from architecture and planning through development, deployment, and long-term improvements, providing a single technical partner who takes ownership of the entire product lifecycle.
𝗪𝗵𝗮𝘁 𝗣𝗿𝗼𝗯𝗹𝗲𝗺𝘀 𝗜 𝗦𝗼𝗹𝘃𝗲
Whether you need to:
• Launch a startup MVP
• Build or scale a SaaS platform
• Develop a custom web application
• Modernize an existing system
• Integrate AI into your product
• Build secure APIs and third-party integrations
• Automate business workflows
• Replace manual processes with custom software
I can design, build, and deliver the complete solution while you stay focused on your business.
𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱
• SaaS Platforms
• Startup MVPs
• AI Applications
• AI Agents & RAG Systems
• CRM & ERP Software
• Enterprise Web Applications
• Admin Dashboards
• Marketplace Platforms
• Internal Business Systems
• REST APIs & API Integrations
• Workflow Automation
• Custom Business Software
𝗦𝗲𝗹𝗲𝗰𝘁𝗲𝗱 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲
I've helped build software across logistics, healthcare, enterprise procurement, and mobility, working on platforms that automate complex workflows, integrate third-party services, and support production environments.
Some of the systems I've contributed to include:
• An AI-powered procurement SaaS that automated vendor bidding, proposal comparison, and project management through a multi-tenant architecture.
• A cross-border logistics platform managing international purchasing, shipment tracking, and payment workflows.
• A healthcare platform connecting patients with practitioners while supporting secure clinical workflows and medical data management.
• A real-time mobility platform featuring live dispatch, GPS tracking, payment processing, and fleet management.
These projects strengthened my experience designing scalable architectures, solving complex business problems, and building software that performs reliably in production.
𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀
Frontend
React • Next.js • TypeScript • JavaScript • HTML5 • CSS3 • Tailwind CSS
Backend
Node.js • Express.js • NestJS • Python • PHP • Laravel
Database
PostgreSQL • MongoDB • MySQL • Supabase • Redis
Cloud & DevOps
AWS • Docker • CI/CD • Vercel • GitHub Actions
AI
OpenAI • Claude • AI Agents • RAG • LLM Integrations
Integrations
REST APIs • GraphQL • Stripe • Authentication • Webhooks • Maps • Third-Party APIs
𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲
I approach every project with a product mindset rather than a task mindset.
Before development begins, I focus on understanding your business goals, identifying technical risks, designing scalable architecture, and choosing solutions that remain maintainable long after launch.
My goal isn't simply to deliver features. It's to build reliable, secure, and scalable software that creates long-term value for your business.
𝗟𝗲𝘁'𝘀 𝗕𝘂𝗶𝗹𝗱
Whether you're validating an MVP, launching a SaaS product, integrating AI, or scaling an existing platform, I'd love to help you build software that's reliable, scalable, and ready for production.
Steps for completing your project
After purchasing the project, send requirements so Saqlain can start the project.
Delivery time starts when Saqlain receives requirements from you.
Saqlain works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Analysis
Review project requirements, define API architecture, data flow, endpoints, integrations, and technical scope.
API Architecture
Design database structure, authentication, authorization, validation, business logic, and API specifications.