I'm David Miller, a full-stack Python developer who loves turning complex ideas into scalable software. I design robust backend services with Python, Django, FastAPI, and cloud-native architectures, while delivering modern, responsive frontends with React and related tools. My work includes AI-powered automation, data pipelines, and production-ready features used by thousands of end users. I enjoy collaborating across product, data science, and operations to translate requirements into high-quality, maintainable systems. I'm passionate about mentoring engineers, improving code quality, and defining architectural patterns that scale with the business.…

David Miller

I'm David Miller, a full-stack Python developer who loves turning complex ideas into scalable software. I design robust backend services with Python, Django, FastAPI, and cloud-native architectures, while delivering modern, responsive frontends with React and related tools. My work includes AI-powered automation, data pipelines, and production-ready features used by thousands of end users. I enjoy collaborating across product, data science, and operations to translate requirements into high-quality, maintainable systems. I'm passionate about mentoring engineers, improving code quality, and defining architectural patterns that scale with the business.…

Available to hire

I’m David Miller, a full-stack Python developer who loves turning complex ideas into scalable software. I design robust backend services with Python, Django, FastAPI, and cloud-native architectures, while delivering modern, responsive frontends with React and related tools. My work includes AI-powered automation, data pipelines, and production-ready features used by thousands of end users.

I enjoy collaborating across product, data science, and operations to translate requirements into high-quality, maintainable systems. I’m passionate about mentoring engineers, improving code quality, and defining architectural patterns that scale with the business.

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Skills

Experience Level

Python
Expert
PHP
Expert
Jira
Expert
Node.js
Expert
SQLite
Expert
TypeScript
Expert
Express
Expert
AWS
Expert
Django
Expert
Docker
Expert
Symfony
Expert
PostgreSQL
Expert
MySQL
Expert
WordPress
Expert
HTML5
Expert
CSS
Expert
jQuery
Expert
AngularJS
Expert
React JS
Expert
GraphQL
Expert
SQL
Expert
Vue.js
Expert
Azure
Expert
React Native
Expert
Shopify
Expert
Redis
Expert
API
Expert
tRPC
Expert
Kubernetes
Expert
Laravel
Expert
Large Language Model
Expert
JavaScript
Expert
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Language

English
Fluent

Work Experience

Senior Software Developer at Matter
January 25, 2024 - June 30, 2025
• Led development of AI-driven backend systems leveraging Python, FastAPI, Flask, AWS Lambda, and containerized microservices. • Designed and delivered complex LLM-powered automation workflows supporting summarization, document intelligence, chat pipelines, and contextual retrieval. • Developed internal analytics platforms using REST APIs, PostgreSQL, and real-time event ingestion. • Modernized DevOps workflows by enhancing CI/CD pipelines, improving deployment reliability, and reducing release time. • Collaborated directly with product, data science, and ML teams to define system architecture for new AI-driven features. • Introduced code quality standards, unit test coverage guidelines, and architecture patterns for long-term scalability.
AI Developer / Full-Stack Engineer at Apptopia
January 31, 2024 - January 31, 2024
Built AI-powered insights, predictions, and intelligent automation features using OpenAI, LangChain, and custom embedding pipelines. Developed high-performance full-stack applications with Django, FastAPI, React, and asynchronous data processing pipelines. Designed ETL workflows ingesting large-scale market intelligence datasets and external APIs for trend analysis. Optimized dashboard rendering, improved frontend responsiveness, and reduced page latency by 40%. Collaborated with cross-functional teams to create scalable internal tools supporting research, analytics, and data operations.
Senior Software Developer at Softhunters UK
January 31, 2023 - January 31, 2023
Designed and implemented enterprise-grade API services with FastAPI, Django, and Node.js for e-commerce and CRM platforms. Built secure authentication/authorization layers using OAuth2, JWT, RBAC, and session-based workflows. Developed multi-tenant backend modules, workflow automation engines, and reusable service components. Led architectural refactoring to improve performance, reduce code duplication, and enhance modularity. Mentored junior developers, introduced engineering review standards, and supported CI/CD & deployment improvements.
Full-Stack Developer at The SEO Works
August 31, 2022 - August 31, 2022
Developed high-volume SEO and digital marketing platforms using Django, Flask, React, MySQL, and PostgreSQL. Built web scrapers, ranking analysis tools, campaign automation scripts, and real-time reporting dashboards. Optimized backend performance through ORM tuning, caching, and large-dataset processing pipelines. Collaborated with SEO strategists to deliver data-driven campaign insights and client reporting. Improved code maintainability through modular architecture and enhanced unit test coverage.
Full-Stack Developer at TulipTech LTD
February 28, 2018 - February 28, 2018
Built customer portals, admin dashboards, and internal workflow tools using Django, jQuery, Bootstrap, and REST APIs. Implemented end-to-end features including authentication, user management, and reporting interfaces. Built reusable frontend components and UI modules to accelerate feature development. Improved technical documentation and introduced version control standards across engineering teams.
Frontend Web Developer at CSSChopper
February 27, 2016 - February 27, 2016
• Translated complex UI/UX mockups into responsive, pixel-perfect front-end solutions using HTML5, CSS3, JavaScript, and jQuery. • Optimized accessibility, cross-browser compatibility, and performance across mobile and desktop experiences. • Built reusable components and enhanced UI consistency across client projects.

Education

Bachelor's degree in Computer Science at Liverpool Hope University
September 1, 2012 - April 1, 2015

Qualifications

Certified Frontend developer
November 24, 2025 - November 24, 2027
https://www.hackerrank.com/certificates/99394c764d76
HackerRank Certified Software Engineer
November 24, 2025 - November 24, 2027
https://www.hackerrank.com/certificates/5b950c319216

Industry Experience

Financial Services, Computers & Electronics, Energy & Utilities, Software & Internet, Professional Services
    paper Bombon.rs — E-Commerce Platform

    A modern, high-performance online shop built with a full-stack architecture.

    -Implemented both frontend and backend features: product catalog, shopping cart, checkout flow, and admin dashboards.

    -Designed and built REST APIs and handled data persistence, inventory, and order management.

    -Developed the responsive client-side interface, ensuring smooth shopping experience on desktop and mobile.

    -Integrated secure payment processing and user authentication.

    -Optimized the app for performance and scalability, including caching and query optimization.

    -Applied best practices: clean code, modular architecture, thorough testing, and CI/CD.

    -Tech skacks: React, Next.js, TailwindCSS, Open Graph, Howler.js, Lenis,

    -URL : https://www.twine.net/signin