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I’m Ariful Wadud, a senior full-stack and AI engineer with 5 years of production-focused experience building end-to-end products for startups and founders. I love taking ideas through every step—data modeling and APIs, polished React/Next.js frontends and mobile experiences, app-store release, and post-launch iteration—so what we ship actually gets used. Recently I’ve been heavily focused on applied AI: LLM integrations, RAG pipelines, agentic systems, voice agents, and recommendation engines. I’ve delivered 26+ projects on Upwork with a 96% job success score, built production systems that are running today, and published 10+ mobile apps on the App Store and Google Play, including one with 60,000+ users.…I’m Ariful Wadud, a senior full-stack and AI engineer with 5 years of production-focused experience building end-to-end products for startups and founders. I love taking ideas through every step—data modeling and APIs, polished React/Next.js frontends and mobile experiences, app-store release, and post-launch iteration—so what we ship actually gets used. Recently I’ve been heavily focused on applied AI: LLM integrations, RAG pipelines, agentic systems, voice agents, and recommendation engines. I’ve delivered 26+ projects on Upwork with a 96% job success score, built production systems that are running today, and published 10+ mobile apps on the App Store and Google Play, including one with 60,000+ users.

Ariful Wadud

Full Stack Developer, Web Developer, Programmer, +3

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I’m Ariful Wadud, a senior full-stack and AI engineer with 5 years of production-focused experience building end-to-end products for startups and founders. I love taking ideas through every step—data modeling and APIs, polished React/Next.js frontends and mobile experiences, app-store release, and post-launch iteration—so what we ship actually gets used. Recently I’ve been heavily focused on applied AI: LLM integrations, RAG pipelines, agentic systems, voice agents, and recommendation engines. I’ve delivered 26+ projects on Upwork with a 96% job success score, built production systems that are running today, and published 10+ mobile apps on the App Store and Google Play, including one with 60,000+ users.…I’m Ariful Wadud, a senior full-stack and AI engineer with 5 years of production-focused experience building end-to-end products for startups and founders. I love taking ideas through every step—data modeling and APIs, polished React/Next.js frontends and mobile experiences, app-store release, and post-launch iteration—so what we ship actually gets used. Recently I’ve been heavily focused on applied AI: LLM integrations, RAG pipelines, agentic systems, voice agents, and recommendation engines. I’ve delivered 26+ projects on Upwork with a 96% job success score, built production systems that are running today, and published 10+ mobile apps on the App Store and Google Play, including one with 60,000+ users.

Available to hire

I’m Ariful Wadud, a senior full-stack and AI engineer with 5 years of production-focused experience building end-to-end products for startups and founders. I love taking ideas through every step—data modeling and APIs, polished React/Next.js frontends and mobile experiences, app-store release, and post-launch iteration—so what we ship actually gets used.

Recently I’ve been heavily focused on applied AI: LLM integrations, RAG pipelines, agentic systems, voice agents, and recommendation engines. I’ve delivered 26+ projects on Upwork with a 96% job success score, built production systems that are running today, and published 10+ mobile apps on the App Store and Google Play, including one with 60,000+ users.

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Intermediate

Language

Work Experience

Software Developer at Unfold-Us

January 1, 2025 - Present

Developed engagement features including streak systems and daily reminders. Implemented push notifications to improve user retention.

Software Developer at Baketracker

January 1, 2025 - Present

Built backend infrastructure for team and user management. Implemented user activity logging based on geolocation data.

Software Developer at Yum AI

January 1, 2024 - Present

Built the entire product from the ground up, including frontend applications, backend services, and cloud infrastructure. Developed an AI-powered weekly meal and recipe planning system based on user dietary, health, and preference data. Designed and implemented large-scale recipe scraping and data processing pipelines.

Software Developer at Traksite

January 1, 2023 - Present

Built a full operational platform for managing crews, equipment, and scheduling. Designed and implemented a real-time chat system using Socket.IO.

Software Developer at Explore Bless

January 1, 2022 - Present

Built a marketplace platform similar to Airbnb Experiences. Designed and implemented a complete booking and scheduling system. Integrated secure payments using Stripe and developed an admin dashboard for platform and host management.

Freelance Full-Stack & AI Engineer at Upwork (Top Rated)

January 1, 2021 - Present

Deliver full-stack web and mobile products for startups and founders—from MVP builds to AI feature integration on live SaaS platforms. Published 10+ mobile apps to the App Store and Google Play, owning submission, review, and release cycles. Built and deployed production AI systems such as a live outbound AI voice agent, RAG pipelines, agentic analysis tools, and recommendation engines. Designed multi-tenant SaaS architectures with database-level data isolation, role-based access, and Stripe subscription billing.