ANTONY AUSTIN

Engineer · Builder · Creator

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Services

Freelance Services

Select a service to see packages, pricing, and extras. Order directly via Stripe or through Fiverr — same quality, your choice.

Fast turnaroundClean, maintainable codeTransparent pricingPost-delivery support
01

Services

Message before ordering — let's align on scope, stack & timeline first.

Custom AI chatbots tailored to your specific needs — personal assistants, customer support bots, knowledge base Q&A, and domain-specific conversational AI. From basic session-managed bots to production-ready agentic systems with multimodal capabilities.

What I Offer
  • LLM model integration (GPT-4, Claude, Gemini, Llama)
  • Retrieval-Augmented Generation (RAG) pipelines
  • Session management & memory
  • Pre-set conversational journeys
  • User authentication & personalization
  • Multi-language support
  • Advanced agentic workflows
  • Image & video model integration
Why Choose Me
  • Production-ready, scalable architecture
  • Clean, well-documented code
  • Fast turnaround with clear communication
  • Post-delivery support included

Choose a Package

Basic

$500

A solid foundation for teams needing a functional AI chatbot fast.

5 days1 revision
  • LLM model integration
  • Session management
  • 1 custom model
Popular

Titanium

$1000

Smarter, context-aware assistant with memory and retrieval capabilities.

14 days3 revisions
  • Everything in Basic
  • Retrieval-Augmented Generation (RAG)
  • Multi-model integration
  • Memory management
  • Basic agentic capabilities
  • Multi-language support

Titanium+

$2000

Production-ready agentic system with full multimodal and auth support.

21 daysUnlimited revisions
  • Everything in Titanium
  • Advanced agentic workflows
  • Image & video model integration
  • Pre-set conversational journey
  • User authentication

Add-ons

Extra Fast Delivery
from +$100
Source Code Handover
+$500 (+2 days)
Additional Revision
+$100 (+2 days)

I'll Need to Know

What is your primary use case? (customer support, internal assistant, lead generation, sales, training)
Do you have existing docs, knowledge base, or data sources the chatbot should learn from?
What's your preferred LLM provider? (OpenAI GPT-4, Claude, Gemini, Llama)
Where should the chatbot be deployed? (website, mobile app, Slack, Teams, API)
Do you need actions beyond Q&A? (create tickets, check orders, book appointments)
What's your expected user volume?
Any compliance or security requirements? (GDPR, HIPAA, SOC 2)

Contact before placing an order.

Professional embedded firmware development for IoT projects, sensor integration, and wireless connectivity. Custom solutions for Arduino, ESP32, and ESP8266 platforms with clean, documented, and maintainable code.

What I Offer
  • Custom firmware development for Arduino and ESP32
  • Sensor integration (temperature, humidity, motion, etc.)
  • WiFi and Bluetooth connectivity
  • Cloud platform integration (AWS IoT, Firebase, etc.)
  • Motor control and actuator programming
  • MQTT and HTTP communication protocols
  • Clean, documented, and maintainable code
Why Choose Me
  • Fast turnaround time
  • Well-commented source code included
  • Thorough testing and debugging
  • Responsive communication
  • Multiple revisions to ensure your satisfaction

Choose a Package

Basic

$20

Simple Arduino code for basic sensor integration and control.

1 day1 revision
  • 2 sensors/modules
  • Basic integration
Popular

Standard

$40

ESP32 firmware with WiFi connectivity and multiple sensors.

3 days2 revisions
  • 4 sensors/modules
  • WiFi connectivity
  • Multiple sensor support

Premium

$75

Complete software solution with source code, version control and documentation.

7 days3 revisions
  • 6 sensors/modules
  • Full source code
  • Version control
  • Documentation

Add-ons

Component Selection
+$15 (+2 days)
Driver Coding
+$30 (+2 days)

I'll Need to Know

Which microcontroller are you using? (Arduino Uno, ESP32, ESP8266, Nano, etc.)
Describe your project requirements and what functionality the firmware needs.

Please message before placing an order so we can align on scope, budget, and timeline.

Custom ROS 2 development for Gazebo simulation, URDF modeling, RViz visualization, Nav2, custom nodes, and more. From architecture consultation to full-stack production-ready robotics solutions.

What I Offer
  • Gazebo simulation environments
  • URDF/XACRO robot modeling
  • RViz visualization & debugging
  • Nav2 navigation stack integration
  • Custom ROS 2 nodes & launch files
  • System architecture design & review
  • Technology stack recommendations
  • Production-ready, documented code
Why Choose Me
  • Hands-on ROS 2 experience with real and simulated robots
  • Clear communication and milestone-based delivery
  • Comprehensive documentation included
  • Post-delivery consultation available

Choose a Package

Silver

$25

Focused ROS 2 consultation on system design and stack selection. Perfect for planning your project architecture.

3 days1 revision
  • Project plan
  • Cost estimation
  • 60 min live consultation
  • Tech stack recommendations
Popular

Gold

$75

Custom ROS 2 nodes and launch files implemented to your specs. Ideal for hardware-focused or real robot deployments.

5 days2 revisions
  • Everything in Silver
  • Custom ROS 2 nodes
  • Launch files
  • 90 min consultation
  • Code documentation

Platinum

$150

Complete ROS 2 application with Gazebo/RViz simulation, URDF models, and production-ready code.

7 days3 revisions
  • Everything in Gold
  • Gazebo/RViz simulation
  • URDF models
  • 120 min consultation
  • Comprehensive documentation

Add-ons

Live Consultation
+$50 (Ongoing until completion)
DevOps Support
+$75 (3-4 months post-delivery)

I'll Need to Know

Please provide a detailed requirement of the project (DOC file preferred).

Please contact me before placing an order to discuss your specific requirements.

Powerful n8n automation workflows, custom AI agents, and seamless multi-app integrations. From basic data syncing to enterprise-grade AI agent solutions with LLM integration, webhooks, and conditional logic.

What I Offer
  • Custom n8n workflow automation
  • AI agent development with ChatGPT, Claude, and other LLMs
  • Multi-app integrations (Slack, Gmail, Airtable, Notion, Google Sheets, etc.)
  • API integrations and custom webhooks
  • Data synchronization and transformation
  • Error handling and workflow optimization
  • Database automation (MySQL, PostgreSQL, MongoDB)
  • CRM automation and lead management
  • E-commerce and social media automation
Why Choose Me
  • Expert in n8n automation platform
  • Clean, efficient, and well-documented workflows
  • Quick response time and clear communication
  • Scalable solutions for businesses of all sizes
  • Post-delivery support included

Choose a Package

Basic

$45

Basic n8n workflow automation with 2-3 app integrations and data syncing.

4 days2 revisions
  • 2-3 app integrations
  • Data syncing
  • Basic workflow logic
Popular

Standard

$120

Advanced n8n automation with 3-5 apps, AI tools, webhooks & conditional logic.

7 days3 revisions
  • 3-5 app integrations
  • AI tools integration
  • Webhooks
  • Conditional logic
  • Error handling

Premium

$275

Enterprise n8n solution: custom AI agents, unlimited integrations, full documentation.

14 days9 revisions
  • Unlimited integrations
  • Custom AI agents
  • Full documentation
  • Database automation
  • Priority support

Add-ons

Extra Fast Delivery
from +$25
Include Source Code
+$20
Additional Revision
+$15

I'll Need to Know

What apps or services do you want to integrate with n8n?
Describe what you want to automate and the expected outcome.

Message before ordering — share your schematic or circuit description so I can scope accurately.

Professional PCB design services using Altium Designer, KiCad, and Eagle. From simple 2-layer hobby boards to complex multi-layer designs with high-speed considerations, impedance control, and DFM review. Includes native design files, Gerber output, and BOM.

What I Offer
  • Schematic capture from circuit descriptions or reference designs
  • Single, double, and multi-layer PCB layout (up to 6+ layers)
  • Component selection and sourcing recommendations
  • High-speed design (controlled impedance, differential pairs, length matching)
  • EMC/EMI design best practices
  • DFM review with manufacturer guidelines
  • Gerber, drill, pick-and-place, and stencil file generation
  • 3D board rendering and visualization
  • BOM with supplier part numbers (DigiKey, Mouser, LCSC)
Why Choose Me
  • Proficient in Altium Designer, KiCad, and Eagle
  • Hands-on experience with real hardware manufacturing
  • Clean, DRC-verified, production-ready layouts
  • Clear communication with milestone-based delivery
  • Support through manufacturing and first-article inspection

Choose a Package

Basic

$100

Simple single or double-layer PCB with schematic capture and layout. Ideal for hobby projects and maker boards.

5 days2 revisions
  • 1-2 layer PCB (up to 50 components)
  • Schematic capture
  • PCB layout with DRC verification
  • Gerber + drill files
  • BOM spreadsheet
  • Native design files (KiCad/Altium/Eagle)
Popular

Standard

$250

Multi-layer PCB with component selection guidance and manufacturing-ready output. Best for IoT, sensor boards, and MCU designs.

12 days3 revisions
  • Up to 4-layer PCB (up to 150 components)
  • Everything in Basic
  • Component selection & sourcing recommendations
  • Power/ground plane design
  • Pick-and-place + assembly drawings
  • BOM with supplier part numbers
  • Basic DFM review

Premium

$500

Complex multi-layer design with high-speed rules, full documentation, and manufacturing liaison support.

18 days4 revisions
  • 4-6+ layer PCB (200+ components)
  • Everything in Standard
  • High-speed design (impedance control, diff pairs)
  • EMC/EMI best practices
  • Complete documentation package
  • DFM review with manufacturer guidelines
  • Manufacturing liaison support
  • 3D board rendering

Add-ons

Expedited Delivery
from +$50
Additional Revision Round
+$35 (+2 days)

I'll Need to Know

Do you have a schematic or circuit description ready?
What's the target board size and layer count?
Any specific components or footprints required?
Which manufacturer will you use? (JLCPCB, PCBWay, OSHPark, etc.)
Any high-speed or controlled impedance requirements?
02

Custom Quote

Web Development

Custom pricing per project

Modern, responsive websites and web apps built with Next.js, React, and TypeScript. SEO-optimized, performance-tuned, and deployed on Vercel. Every project is different -- let's discuss yours and I'll send a detailed proposal with timeline and pricing.

Next.jsReactTypeScriptTailwind CSSVercelSEO
What I Offer
  • Custom landing pages and business websites
  • Full-stack web applications with APIs
  • Portfolio and personal brand sites
  • SEO optimization and performance tuning
  • Responsive design for all devices
  • CMS integration and admin panels
  • Deployment on Vercel, Netlify, or custom hosting
Why Choose Me
  • Built and deployed sites for real clients (Yehi, VirtusCo)
  • Modern stack -- Next.js 15, React 19, TypeScript
  • Clean, maintainable, well-structured code
  • SEO and Core Web Vitals optimized
  • Clear communication and milestone delivery
  • Post-launch support and iterations
Typical Price Ranges

Landing Pages

$45 -- $150

Business Websites

$200 -- $500

Web Applications

$500 -- $2,000+

Portfolio Sites

$100 -- $300

03

How It Works

01

Discovery

We discuss your project goals, requirements, and timeline.

02

Proposal

Detailed scope, timeline, and transparent pricing.

03

Build

Development with regular updates and milestone reviews.

04

Deliver

Final delivery with documentation and post-launch support.

Ready to start a project?

Pick a package above, or reach out for a custom quote.