@ianbrown - Senior Full Stack Engineer

Senior Full Stack Engineer

Software Engineer

Available for hire

Years of experience

12+ years

Experience level

Senior

Available for

Full-time, Part-time, Contract, Freelance

Available from

18 Sep 2026

Download Resume / CV

🎖️ 12+ Years of Full-Stack & Trading Automation Development🎖️

I am a Senior Full-Stack Engineer specializing in building robust, scalable web and mobile applications, as well as custom automated trading strategies and tools for MetaTrader (MQL4/MQL5), TradingView (Pine Script), Alpaca, and Interactive Brokers (IBKR). My expertise lies in delivering secure, high-performance software tailored to startups and enterprises, with a strong focus on trading automation, scripting, and integration.

✅ Full-Stack Web, Mobile Development 💠 Frontend: React.js, Next.js, .NET Framework, TypeScript, JavaScript, Tailwind CSS, Bootstrap, Material UI

💠 Mobile: React Native (iOS & Android), Cross-Platform Apps, Seamless API Integrations, Intuitive UI/UX

💠 Backend: Node.js (Express, NestJS), Python (Django, FastAPI), REST & GraphQL APIs, ASP.NET, .NET Core

💠 Databases: MongoDB, PostgreSQL, MySQL, Firebase

💠 Cloud & DevOps: AWS, Google Cloud, Azure, Docker, Kubernetes

✅ Trading Automation and Bot Development & Scripting 💠 Custom Trading Bot Development: Skilled in creating expert advisors and automated trading bots for stock, options, and forex markets using MetaTrader 4 and 5 (MQL4/MQL5).

💠 Pine Script Automation: Proficient in developing automated trading strategies and bots on TradingView with Pine Script, including strategy backtesting, optimization, and webhook/API integration for live trade execution.

💠 Broker API Integration: Experienced with Alpaca and Interactive Brokers (IBKR) APIs for real-time automated trading and portfolio management.

💠 Strategy Implementation: Experienced in coding and deploying diverse trading strategies such as trend-following, breakout, scalping, hedge, and range trading.

💠 Workflow Automation: Skilled in building automation tools and integrating workflows to streamline trading operations and business processes.

💡 Proven Results 💠 Developed automated trading systems for Gold, stocks, forex, and other instruments using trend, hedge, and range strategies on MetaTrader, TradingView, Alpaca, and IBKR.

💠 Delivered scalable cross-platform SaaS web and mobile applications featuring real-time data and seamless user experiences.

💠 Built enterprise-grade web and mobile applications for clients in FinTech, SaaS, and trading sectors.

💠 Integrated secure payment gateways and third-party APIs to enhance functionality and streamline business processes.

🌟 Why Choose Me? 💠 End-to-End Ownership: I handle everything from architecture and development to deployment and ongoing support, ensuring your trading automation and web/mobile applications run smoothly and efficiently.

💠 Agile & Transparent Communication: I provide regular updates, clear milestones, and maintain open collaboration to keep you informed and involved throughout the project lifecycle.

💠 Quality-First Approach: I write clean, maintainable code with rigorous testing and security best practices, especially important for trading systems and financial applications.

💠 Flexible & Adaptive: I tailor solutions to your evolving project requirements, whether it’s custom trading strategies for MetaTrader, TradingView, Alpaca, IBKR, or scalable full-stack web and mobile applications.

✅ Let’s collaborate to build great things. Click Invite or message me to get started!

Languages

English

Employment History

Senior Software Engineer at Infralyft LLC Current 2025 - Now

Design and implement production-oriented software features using Python, JavaScript/TypeScript, React, Node.js, GraphQL, and AWS services across multi-component application architectures. Develop Python-based automation and data-processing workflows, identifying failure conditions, edge cases, and integration issues across distributed systems. Create clear technical specifications from business and engineering requirements and translate them into maintainable reference implementations. Debug complex multi-file application behavior across frontend, backend, API, and cloud infrastructure layers. Build and validate AI-enabled workflows using AWS SageMaker, generative AI tooling, and Python-based services. Review implementation behavior against expected outputs, investigate discrepancies, and propose technically sound fixes and refactoring strategies. Design test scenarios covering normal behavior, boundary conditions, error handling, and regression risks. Use AI-assisted development tools to accelerate code analysis while independently validating generated implementations for correctness, maintainability, and production readiness.

Full Stack Engineer at Premier Agent Network 2019 - 2025

Engineered production features using Next.js, Angular, FastAPI, Python, Java, and cloud-native services, contributing to a 40% increase in user engagement. Debugged complex issues spanning frontend state, backend APIs, databases, authentication systems, and third-party integrations. Designed and maintained REST APIs, distributed backend services, authentication workflows, and cloud integrations across AWS, Azure, and GCP. Performed code reviews and refactoring to improve readability, maintainability, performance, and architectural consistency. Created unit, integration, and regression test scenarios to verify feature requirements and prevent production regressions. Evaluated technical requirements for ambiguity, identified unsupported assumptions and edge cases, and converted requirements into actionable implementation plans. Implemented OAuth2 and .NET/C# authentication and authorization systems, reducing security vulnerabilities by approximately 30%. Developed CI/CD workflows with GitHub Actions, Azure DevOps, and GCP Cloud Build, improving deployment reliability and delivery speed by approximately 50%. Supported production migrations and infrastructure changes while validating backward compatibility and expected system behavior.

Software Engineer at Amazon Web Services (AWS) 2016 - 2019

Developed backend microservices using Python, FastAPI, and Java within AWS environments, improving processing throughput by approximately 30%. Diagnosed application and distributed-system failures through log analysis, code tracing, database inspection, and controlled testing. Designed asynchronous service workflows using Kafka and RabbitMQ and validated behavior across failure, retry, and high-throughput scenarios. Refactored backend services and database workflows to improve scalability, reliability, and maintainability. Developed technical learning and validation workflows involving cloud technologies, Python, machine learning, and hands-on engineering exercises. Evaluated system behavior against functional requirements and investigated discrepancies between intended and observed outputs. Optimized PostgreSQL queries and Redis caching strategies, reducing data retrieval latency by approximately 25%. Collaborated with engineers through peer review, implementation feedback, testing, and technical documentation.

Back End Developer at Keller Williams Realty 2014 - 2016

Developed and maintained backend APIs and microservices using Java/Spring Boot and C#/.NET Core. Diagnosed and resolved defects across APIs, database integrations, application logic, and external services. Created reusable backend components and refactored legacy implementations to improve performance and maintainability. Developed automated testing and validation workflows for backend services and integrations. Integrated third-party APIs and identified compatibility, authentication, and error-handling edge cases. Participated in code reviews and provided actionable engineering feedback on correctness, architecture, and maintainability. Automated CI/CD pipelines through Jenkins and Azure DevOps, improving deployment reliability and reducing delivery cycles.

Education

master's degree of computer science at University of California 2009 - 2013

Senior Full Stack Engineer

Skills

Languages

Employment History

Education

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