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High-Performance Web Architecture & Custom Functio

First and Last — Custom Web & Interactive Tools is a digital architecture firm specializing in the design, engineering, and deployment of zero-compromise web systems. We serve global enterprises and local market leaders who require more than a website—they require high-performance infrastructure built on a modern, server-first stack (Next.js 16+, React 19, TypeScript Strict).

Our engineering-grade approach is defined by four specialized pillars:

  • Min project size
    $5,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    2 - 9
  • Locations
    Springfield, MO
  • Year founded
    Founded 2025

Overview by:

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Enoch Twumasi
Founder & Lead Systems Architect About the Team

1 Locations

  • Springfield , MO

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    Pricing Snapshot

    Min. project size $5,000+
    Avg. hourly rate $25 - $49 /hr
    Rating for cost 5 /5

    Most Common Project Size

    Confidential based on 1 review
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000
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    Custom Web Development for Dog Breeder

    • Search Engine Optimization Web Design Web Development
    • Confidential
    • June 2025 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "First and Last — Custom Web & Interactive Tools has done great work."

    Feb 9, 2026
    Owner & Founder, Royal Blue Bullies LLC
    Michael Riley
    • Other industries
    • Bolivar, Missouri
    • 1-10 Employees
    • Online Review

    First and Last — Custom Web & Interactive Tools has developed a custom website for a dog breeder. The team has also provided ongoing maintenance support.

    Showing 1-1 of 1 Reviews

    Our Story

    "First and Last" is a memorial to THE ONE TRUE GOD—THE FIRST AND THE LAST (Isaiah 44:6)—by whose grace we serve. Founded by Enoch Twumasi, we unite faith with scientific precision. Backgrounds in Biomedical and Petroleum Engineering inform our analytical approach to Next.js 16. We build high-performance web architecture, secure apps, and grounded AI to GOD’S Glory, ensuring asset sovereignty and transparent engineering. Quality is our stewardship; excellence is our standard.

    Meet the Team

    Enoch Twumasi

    Enoch TwumasiFounder & Lead Systems Architect

    Founder & Lead Systems Architect. Enoch applies scientific discipline from Biomedical & Forest studies to Next.js 16 engineering. By GOD’S grace, he builds high-performance ecosystems with a focus on E-E-A-T and technical authority.

    What Sets Us Apart

    Faith-Based Integrity

    Named after THE FIRST AND THE LAST, we operate with absolute stewardship. We guarantee asset sovereignty—you own your code and platforms entirely. We build for GOD’S Glory, ensuring transparent engineering, honest pricing, and a devotion to your growth that transcends typical vendor relations.

    Engineering-Grade Performance

    We reject templates for elite engineering. Using a server-first Next.js 16 and React 19 stack, we deliver near-instant load speeds and 100/100 Lighthouse scores. By building SEO directly into your architecture, we ensure your business ranks #1 and outperforms the competition. Speed is our standard.

    Scientific Systems Precision

    Our logic is forged in scientific rigor. With backgrounds in Biomedical and Petroleum Engineering, we apply analytical exactness to digital systems. We don’t just “design”—we architect complex functional ecosystems and grounded AI that solve real-world operational friction with absolute precision.

    Tools and Technology

    GitHub
    Vercel
    Cloudflare
    Mailchimp
    SendGrid
    AWS
    Google Cloud Platform
    Calendly
    Zoho CRM

    Commonly Asked Questions

    We use Next.js 16 and React 19 because they represent the pinnacle of high-performance web architecture, allowing for server-first rendering and near-instant load speeds. By utilizing React Server Components (RSC) and a strict TypeScript environment, we eliminate the bloat associated with traditional websites. This ensures your site achieves 100/100 Lighthouse scores and exceptional Core Web Vitals, which are non-negotiable requirements for ranking #1 in modern AI-mediated search environments. Our stack—which includes Tailwind CSS v4.1 and Supabase—is chosen specifically for its ability to deliver secure, scalable, and authoritative digital systems that outlast industry trends.

    A high-performance website (Pillar I) is a public-facing, SEO-centric architecture designed for speed and conversion, while a custom web application (Pillar II) is a secure, authenticated, and database-driven functional ecosystem. At First and Last, we distinguish these based on logic and intent. Websites focus on brand authority, search visibility, and lead generation without user logins. Applications focus on complex business workflows, internal operations, client portals, and SaaS platforms that require state-heavy interactions and secure data persistence. Both are built using our elite engineering standards but serve different strategic roles in your business growth.

    Our Grounded AI interfaces (Pillar IV) prevent hallucinations by utilizing Retrieval-Augmented Generation (RAG) architecture to anchor AI responses to your specific, verified business data. Unlike generic chatbots that guess or "hallucinate" information, our engineered AI systems are constrained to your approved documentation, databases, and SOPs. We integrate LLMs via secure server-side Next.js Route Handlers, ensuring that the AI only provides answers backed by your real-world data. This creates a disciplined, intelligent support system that reduces liability while increasing operational efficiency for your staff and customers.

    Yes, custom interactive tools—such as ROI calculators, lead-gen quizzes, and quote generators (Pillar III)—increase conversion rates by providing instant, personalized value to visitors. These client-side tools engage users by allowing them to explore scenarios and receive immediate feedback, which builds trust faster than static content. By embedding deterministic logic into your landing pages, we help you qualify leads automatically and reduce decision fatigue. This transforms your website from a passive brochure into an active sales enablement tool that captures high-intent prospects before they leave your site.

    Yes, your business maintains 100% asset sovereignty and full ownership of every line of code, database, and tool we build for you. At First and Last, we believe in "Asset Sovereignty," meaning we never hold your digital infrastructure hostage or hide it behind proprietary black-box systems. From the initial Next.js architecture to your grounded AI models, everything is built in your own environment (GitHub, Vercel, Supabase). This faith-based approach to integrity ensures that you have total control over your digital assets, allowing you to scale, modify, or move your systems whenever you choose.

    Locations (1)

    2120 South Ingram Mill Road Springfield, MO, United States 65804

    2 - 5

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