Rakibul I.

NEED A MOBILE APP, CUSTOM WEB PLATFORM, OR AI-POWERED PRODUCT? I'm a Top Rated Plus Mobile App Developer with $100K+ earned and 136 completed contracts on Upwork. I help startups and businesses turn ideas into digital products through modern mobile engineering, AI-powered technologies, and structured product development. I personally lead technical planning and development, combining hands-on engineering with AI-assisted workflows and a small, highly talented team when additional expertise is needed. MOBILE APP DEVELOPMENT: I build feature-rich mobile applications for iOS and Android using modern cross-platform technologies. • Flutter and React Native development • iOS and Android application development • API integration and backend development • Firebase, authentication, and real-time functionality • Payment gateways, subscriptions, and in-app purchases • Push notifications and third-party integrations • App Store and Google Play deployment AI DEVELOPMENT & AGENTIC ENGINEERING: I build AI-powered products and integrate intelligent capabilities into mobile applications, web platforms, and business workflows. • AI-powered mobile and web applications • AI chatbots and virtual assistants • OpenAI and Google Gemini integrations • Claude-powered features and integrations • AI agents, multi-agent systems, and agentic workflows • Claude Code and AI-assisted software engineering • AI automation and intelligent business workflows I use specialized AI agents with defined roles, tools, skills, and responsibilities to support implementation, testing, documentation, and development coordination. Every workflow includes technical direction, code review, and human oversight. CUSTOM WEB & SAAS DEVELOPMENT: I develop custom web applications and business platforms that connect modern frontend experiences with reliable backend systems. • Custom web applications and SaaS platforms • Admin panels, dashboards, and client portals • Marketplaces and business management systems • Frontend, backend, database, and API development • Third-party integrations and payment systems • WordPress websites and Shopify eCommerce solutions DOCUMENTATION-FIRST & AI-ASSISTED ENGINEERING: I follow a structured, documentation-first software development process to guide my team and AI agents from planning to implementation. For each project, I prepare: - PRD (Product Requirements Document) – Product vision, features, and business requirements. - SRS (Software Requirements Specification) – Functional requirements, system behavior, and acceptance criteria. - TRD (Technical Requirements Document) – Architecture, technology stack, and technical specifications. - Design Brief – UI/UX direction, user journeys, and design requirements. - Database Schema – Data models, structures, and relationships. - Implementation Plan – Tasks, milestones, dependencies, and AI-agent responsibilities. These documents provide structured context for AI-assisted development, multi-agent workflows, implementation tracking, and quality control. SELECTED PROJECT EXPERIENCE I've worked on digital products across different industries, including: • Calz: Calorie Counter AI — AI-powered calorie tracking application • Body Axis — Fitness and wellness application • UStyle Closet — Fashion and lifestyle application • Prime Pilates — Fitness application with 5,000+ Google Play downloads • Legier Global News — News and media application • Wuffoos — Mobile application with Stripe payment integration • VidZo — Video streaming application • Kick 360 — Sports application • Mojaru — Learning management platform and client portal TECHNICAL LEADERSHIP & PROJECT DELIVERY: I personally lead technical planning and project execution. When a project requires additional expertise, I coordinate a small, highly talented team across system architecture, mobile development, backend engineering, and QA. Depending on your requirements, I can take ownership of: • Product discovery and requirements analysis • Technical planning and software architecture • UI/UX design and prototyping • Mobile and web application development • Backend systems, databases, and API integrations • AI integrations and agentic workflows • Code review, quality assurance, and deployment • Post-launch improvements and maintenance You get a clear technical point of contact, organized execution, and visibility into project progress. Source-code ownership is provided as agreed in the contract. 🤝 LET'S DISCUSS YOUR PROJECT: Have a new app idea, an existing product to improve, a Figma design, or an AI prototype that needs production development? Share your project brief, Figma file, repository, or initial concept. I'll help identify the essential requirements, technical considerations, and a practical development approach. MODERN MOBILE ENGINEERING | PRACTICAL AI | STRUCTURED DEVELOPMENT | RELIABLE DELIVERY