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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

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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

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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

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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

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

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

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

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

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

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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

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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

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

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

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

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

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

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

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

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

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

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

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

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

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

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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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