Paul Costa

• Developed AI-driven automation solutions, enhancing productivity and streamlining DevOps workflows for faster software delivery.
• Leveraged React to build dynamic and responsive AI-powered dashboards, allowing real-time data visualization and insightful analytics for business intelligence.
• Integrated AI models into React-based front-end applications, enabling seamless user interactions with intelligent automation and predictive capabilities.
• Implemented machine learning models to optimize data processing, enabling predictive analytics and intelligent decision-making.
• Designed AI-powered customer experience solutions, utilizing NLP, computer vision, and recommendation systems to personalize interactions and improve engagement.
• Modernized applications with AI integration on Azure, improving performance, scalability, and reliability for enterprise solutions.
• Engineered cost-efficient AI solutions, leveraging cloud optimization strategies to reduce operational overhead while maintaining high performance.
• Developed AI-driven anomaly detection systems, improving fraud detection and risk management in BFSI, healthcare, supply chain, and retail industries.
• Built scalable AI platforms with secure, flexible cloud infrastructures, enabling businesses to scale operations efficiently.

Technologies: React, Azure AI, AWS SageMaker, Google Cloud AI, NLP, Deep Learning, TensorFlow, PyTorch, Data Engineering, DevOps Automation, Cloud Optimization

As a Senior Software Engineer specializing in React and Next.js at Disco, I played a key role in driving technological advancements for a network of 1,000+ brands focused on reducing customer acquisition costs.

• Engineered scalable and responsive frontend solutions for DiscoFeed using React and Next.js.
• Integrated and optimized payment gateways such as Stripe, PayPal, Square, and Braintree to ensure secure and seamless transaction processing.
• Collaborated cross-functionally to translate business needs into intuitive technical implementations and user-friendly interfaces.
• Ensured seamless performance across devices and browsers by leveraging modern frontend technologies and best practices.
• Contributed to architectural decisions and technical roadmaps aligned with Disco’s strategic vision.
• Designed and implemented multithreaded applications to enhance performance and scalability, enabling concurrent execution of tasks.
• Optimized platform performance, identifying and resolving bottlenecks to enhance speed and efficiency.

Technologies: Stripe, PayPal, Square, Braintree, Google API, Multithreading, Swagger, OpenAI, Payment APIs, React, Next.js, PostgreSQL, SaaS, Webhooks

Played a key role in driving team success by developing essential features such as property management, tenant administration, and messaging functionalities, ensuring a seamless user experience.

• Enhanced UI/UX by upgrading React and TypeScript components, aligning with modern design standards for improved usability.
• Optimized state management with Redux Thunk and built responsive, reusable components using styled-components, improving development efficiency.
• Developed robust backend API services with Node.js and .NET, leveraging AWS Lambda, DynamoDB, API Gateway, CloudWatch, and Serverless Framework to support a scalable microservices architecture.
• Optimized payment workflows by implementing webhooks and event-driven architecture, improving transaction efficiency and reducing failures.
• Integrated third-party APIs for handling multi-currency payments, tax calculations (Avalara, TaxJar), and fraud prevention (Riskified, Stripe Radar).
• Integrated Azure Application Insights for proactive monitoring and issue diagnosis, ensuring optimal application performance.
• Maintained high software quality by implementing unit and snapshot testing with Jest and React Testing Library.
• Boosted page load speed by pre-warming serverless APIs, achieving a 5x improvement, which led to a 20% increase in active user engagement.

Technologies: React, Node.js, TypeScript, AWS, .NET, Serverless, ASP.NET, Azure, Redux, DynamoDB, Jest

As a Software Engineer proficient in React, Angular, ASP.NET MVC 3, and AWS & Azure, I made significant contributions at RoleModel Software, driving both new feature development and legacy system refactoring with modern technologies like React Hooks.

• Implemented real-time updates using React, Socket.IO, and Redux, ensuring seamless communication between users and the system.
• Designed and optimized backend logic with Node.js, Express.js, and MongoDB, improving data storage, retrieval efficiency, and availability.
• Utilized Mongoose ODM for structured data modeling and efficient interactions with MongoDB.
• Built a high-performance shopping interface using React and Angular, improving user engagement and responsiveness.
• Developed a scalable backend API with Node.js and Express to handle product catalogs, authentication, and order processing.
• Integrated Stripe Billing to manage automated recurring subscriptions and optimize revenue flow.
• Implemented secure payment processing with Stripe, ensuring a frictionless and reliable checkout experience.
• Streamlined CI/CD workflows using Azure DevOps, enabling rapid deployments and maintaining software stability.
• Optimized database architecture with MongoDB, ensuring flexibility, scalability, and efficient data management.
• Enhanced system reliability and performance monitoring through cloud-based solutions.

Technologies: Node.js, JavaScript, C#, React, Angular, .NET Framework, ASP.NET, Express.js, Stripe, MongoDB, AWS, Azure, Redux, Stripe, Socket.IO