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Senior Full-Stack Engineer - FinTech & SaaS Architect

Location:
Tampa, FL
Posted:
June 03, 2026

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Resume:

James Brightman

Senior Full-Stack Engineer

Tampa, FL • +1-813-***-****

*****.*********.****@*****.***

LinkedIn • GitHub

Senior Full-Stack Engineer with 15+ years of expertise architecting and delivering high-performance backend systems, billing infrastructure, and scalable SaaS platforms. Proven track record building financial systems, payment processing pipelines, and real-time data architectures using PHP, Go, Node.js, and TypeScript. Deep experience with cloud-native technologies, API design, legacy modernization, and AI integration. Passionate about engineering excellence, security-first development, and creating mission-critical solutions that drive measurable business impact. EXPERIENCE

Senior Full-Stack Engineer Sep 2022 – Present

Bittensor — Toronto, Canada (Remote)

Architecting and delivering complex backend systems, billing infrastructure, and AI-powered platform features for a decentralized machine learning network serving enterprise clients. Full-Stack Software Engineer Feb 2016 – Sep 2022

DLB Associates — New Jersey, United States

Delivered full-stack solutions for enterprise SaaS applications, focusing on backend API development, cloud infrastructure, and real-time data processing systems.

Engineered centralized billing and payment processing system using PHP and Go, handling merchant invoicing, partner payouts, and subscription management across multi-service architecture with 99.9% uptime

Designed and implemented secure RESTful and GraphQL APIs in PHP and Go for financial data flows, payment events, and Shopify integrations, supporting 50,000+ daily transactions

Led migration of legacy Code Igniter 2 codebase to Code Igniter 4, modernizing authentication, database layers, and routing architecture while maintaining zero-downtime deployment for enterprise partnerships

Built AI agent integration layer with backend APIs, event hooks, and data pipelines enabling intelligent workflow automation and merchant insights using Anthropic Claude and custom ML models

Architected partner portal and customer-facing reporting APIs using Node.js, PostgreSQL, and Elasticsearch, delivering real-time analytics and financial dashboards

Developed data ETL pipelines processing 10M+ records daily using MySQL, BigTable, and batch processing frameworks for cross-platform data synchronization

Established engineering best practices including code review standards, security-first development protocols, and CI/CD automation using GitHub Actions and Docker

Implemented OWASP Top 10 security measures across authentication, authorization, and data encryption layers, ensuring PCI compliance for payment processing systems

Mentored engineering team on PHP and Go technical patterns, conducted architecture reviews, and championed quality assurance standards achieving 95%+ test coverage

Collaborated with Product and Engineering leadership in Agile environment using Jira, Bitbucket, and Confluence to define requirements, estimate effort, and deliver high-priority features on schedule

Software Engineer May 2008 – Feb 2016

Alo Yoga — Los Angeles, United States

Built and maintained e-commerce platform infrastructure, payment integrations, and customer-facing web applications for high-traffic retail operations.

EDUCATION

Bachelor Degree in Computer Science

University of South Florida — Tampa, FL, United States (2003–2008) TECHNICAL SKILLS

Backend Languages: PHP, Go, Node.js, Python, TypeScript Frontend Technologies: React, Next.js, TypeScript, VueJS, Angular, TailwindCSS, CSS, HTML5 Databases & Data: PostgreSQL, MySQL, BigTable, Elasticsearch, Apache Iceberg, PostGIS Architected and deployed scalable backend services using Node.js, PHP, and PostgreSQL on GCP, supporting multi-tenant SaaS platform serving 200+ enterprise clients

Built real-time data processing pipelines using MQTT, Redpanda, and WebSocket connections for IoT sensor data ingestion and maritime domain awareness applications

Developed React and TypeScript frontend applications with Next.js and TailwindCSS, implementing state management using React Context and delivering polished user experiences

Created geospatial analysis features using GIS libraries and PostgreSQL PostGIS extensions for real-time mapping and location-based analytics

Containerized applications using Docker and orchestrated deployments with Kubernetes, reducing infrastructure costs by 40% and improving deployment velocity

Implemented comprehensive testing strategies achieving 100% coverage on critical paths using Jest, achieving Lighthouse scores above 95 for performance optimization

Designed and maintained monorepo architecture with shared libraries, type-safe APIs, and automated linting/formatting using ESLint and Prettier

Integrated machine learning models into production APIs for predictive analytics and anomaly detection, processing sensor data from deployed hardware systems

Developed e-commerce backend systems using PHP, MySQL, and payment gateway integrations supporting $50M+ annual transaction volume

Built responsive frontend interfaces using React, VueJS, and Angular with CSS frameworks, optimizing conversion rates and reducing cart abandonment by 25%

Implemented secure authentication and authorization systems following industry best practices for customer data protection and PCI DSS compliance

Created batch processing workflows using Python and Dagster for inventory management, order fulfillment, and customer analytics reporting

Optimized database queries and implemented caching strategies reducing average page load times by 60% and improving SEO rankings

Collaborated with cross-functional teams using Agile methodologies, participating in sprint planning, code reviews, and production support rotations

APIs & Integration: REST APIs, GraphQL, WebSocket, MQTT, Redpanda, Shopify APIs Cloud & DevOps: GCP, Docker, Kubernetes, GitHub Actions, CI/CD, Dagster AI & Machine Learning: Anthropic Claude, Cursor, ML Model Integration, Digital Signal Processing Security & Compliance: OWASP Top 10, PCI DSS, Authentication/Authorization, Data Encryption Tools & Frameworks: Code Igniter, Jira, Bitbucket, Confluence, Slack, Git, Monorepo Architecture, WebGPU



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