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Hi, I’m Lorenzo Hart, a software engineer focused on building intuitive, high-performance user interfaces with Next.js and TypeScript. I’ve led front-end development across fintech and health-tech platforms, delivering responsive and scalable UI components and dashboards while guiding teams toward code quality and maintainability. I also bring a well-rounded background in back-end technologies, cloud services, and DevOps to support end-to-end product delivery. I’m now looking to leverage my front-end expertise in a role that challenges me to innovate and push the boundaries of modern web development, collaborating with cross-functional teams to create delightful and performant user experiences.…Hi, I’m Lorenzo Hart, a software engineer focused on building intuitive, high-performance user interfaces with Next.js and TypeScript. I’ve led front-end development across fintech and health-tech platforms, delivering responsive and scalable UI components and dashboards while guiding teams toward code quality and maintainability. I also bring a well-rounded background in back-end technologies, cloud services, and DevOps to support end-to-end product delivery. I’m now looking to leverage my front-end expertise in a role that challenges me to innovate and push the boundaries of modern web development, collaborating with cross-functional teams to create delightful and performant user experiences.

Lorenzo Hart

Back-End Developer, Front-End Developer, Full Stack Developer, +2

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Hi, I’m Lorenzo Hart, a software engineer focused on building intuitive, high-performance user interfaces with Next.js and TypeScript. I’ve led front-end development across fintech and health-tech platforms, delivering responsive and scalable UI components and dashboards while guiding teams toward code quality and maintainability. I also bring a well-rounded background in back-end technologies, cloud services, and DevOps to support end-to-end product delivery. I’m now looking to leverage my front-end expertise in a role that challenges me to innovate and push the boundaries of modern web development, collaborating with cross-functional teams to create delightful and performant user experiences.…Hi, I’m Lorenzo Hart, a software engineer focused on building intuitive, high-performance user interfaces with Next.js and TypeScript. I’ve led front-end development across fintech and health-tech platforms, delivering responsive and scalable UI components and dashboards while guiding teams toward code quality and maintainability. I also bring a well-rounded background in back-end technologies, cloud services, and DevOps to support end-to-end product delivery. I’m now looking to leverage my front-end expertise in a role that challenges me to innovate and push the boundaries of modern web development, collaborating with cross-functional teams to create delightful and performant user experiences.

Available to hire

Hi, I’m Lorenzo Hart, a software engineer focused on building intuitive, high-performance user interfaces with Next.js and TypeScript. I’ve led front-end development across fintech and health-tech platforms, delivering responsive and scalable UI components and dashboards while guiding teams toward code quality and maintainability. I also bring a well-rounded background in back-end technologies, cloud services, and DevOps to support end-to-end product delivery.

I’m now looking to leverage my front-end expertise in a role that challenges me to innovate and push the boundaries of modern web development, collaborating with cross-functional teams to create delightful and performant user experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at SIVO

May 1, 2022 - Present

Led front-end development for Sivo's Next.js-based debt-as-a-service platform, enabling fintechs and startups to embed lending and capital access into their products. Architected reusable React component libraries, significantly improving development efficiency and design consistency. Spearheaded the migration of the front-end codebase from JavaScript to TypeScript, enhancing reliability, scalability, and maintainability. Built and optimized DataView, a real-time SaaS analytics dashboard serving 10,000+ users and accelerating client decision-making by 40%. Integrated GraphQL APIs to improve data fetching efficiency, reducing server requests by 25%. Developed a dynamic map-based interface for visualizing financial service usage and property-related data using React, Leaflet, and TypeScript, increasing engagement by 35%. Integrated LangChain to power an AI-driven support assistant for capital management and debt servicing queries, halving average support response time. Implemented Redux

Full Stack Engineer at Ellipsis Health

August 1, 2022 - September 23, 2025

Developed core platform features for Ellipsis Health’s AI-powered mental health assessment solution, using Next.js and TypeScript to build accessible, scalable web applications for patients and providers. Collaborated on building secure, HIPAA-compliant interfaces for users to interact with the speech analysis engine, enabling seamless voice data collection and real-time feedback. Engineered dynamic patient dashboards and clinician-facing tools using React and Redux, improving user engagement and data interpretation efficiency by 15%. Implemented server-side rendering (SSR) and SEO enhancements with Next.js to optimize platform visibility and reach across healthcare partner integrations. Contributed to backend services in Python for real-time speech data processing and sentiment analysis, supporting core AI models. Played a key role in migrating the monolithic architecture to microservices using Docker and Kubernetes, boosting platform scalability and uptime. Designed and optimized P

Frontend Engineer at Tripcents

September 1, 2020 - September 23, 2025

Developed core features of Tripcents’ travel budgeting platform using React, Next and TypeScript, helping users plan, save, and track funds for trips. Implemented secure user authentication and authorization using Firebase Authentication and JWT, ensuring privacy and protection of sensitive travel and financial data. Collaborated with the UX/UI team to build responsive and accessible user interfaces using CSS3 and Tailwind CSS, contributing to a 30% boost in mobile user engagement. Integrated third-party payment systems such as Stripe and PayPal, enabling users to contribute to their travel funds or gift trips to others, which resulted in a 12% increase in checkout conversions. Built components for personalized travel recommendation flows, including flight and hotel suggestions based on saved preferences and budgets. Established CI/CD pipelines with Jenkins, automating testing and deployment processes to ensure rapid iteration and stable feature delivery. Contributed to progressive w

Intern & Software Engineer at Microsoft

September 1, 2017 - September 23, 2025

Collaborated with designers and other developers to create responsive and user-friendly web interfaces and implemented design mockups into functioning web pages using HTML, CSS, and JavaScript. Optimized web applications for maximum speed and scalability and implemented best practices for performance, accessibility, and SEO. Utilized version control systems like Git to manage code changes and collaborate with other developers via collaboration tools such as Azure DevOps, GitHub, or Microsoft Teams for project management and communication. Developed and implemented strategies to enhance web accessibility in compliance with WCAG (Web Content Accessibility Guidelines), ARIA (Accessible Rich Internet Applications) attributes, and other relevant standards. Integrated Google Analytics for tracking and analyzing website traffic and user interactions, informing strategic decisions. Continuously learned new technologies and tools relevant to front-end development and attended training sessions

Senior Software Engineer at SIVO

May 1, 2022 - Present

Led front-end development for Sivo's Next.js-based debt-as-a-service platform; architected reusable React component libraries; migrated frontend from JavaScript to TypeScript; built a real-time DataView analytics dashboard serving 10,000+ users; integrated GraphQL APIs; developed a dynamic map-based interface with React, Leaflet, and TypeScript; implemented Redux for scalable state management; led adoption of Jest and Next Testing Library achieving 90%+ unit test coverage; set up GitHub Actions CI/CD pipelines to shorten release cycles from weeks to days.

Full Stack Engineer at Ellipsis Health

August 1, 2022 - September 23, 2025

Developed core platform features for an AI-powered mental health assessment solution using Next.js and TypeScript; built HIPAA-compliant interfaces for voice data collection and real-time feedback; engineered dynamic patient dashboards and clinician tools; implemented SSR and SEO optimizations; contributed to Python-based backend services for real-time speech data processing and sentiment analysis; helped migrate to microservices with Docker and Kubernetes; designed PostgreSQL schemas for large-scale voice metadata; supported cloud-native deployment automation.

Frontend Engineer at Tripcents

September 1, 2020 - September 23, 2025

Developed core features of a travel budgeting platform using React, Next.js, and TypeScript; implemented secure authentication with Firebase and JWT; collaborated with UX/UI teams to build responsive interfaces with CSS3 and Tailwind; integrated Stripe and PayPal for payments; built components for personalized travel recommendations; established CI/CD pipelines with Jenkins and contributed to PWA optimization for offline use.

Intern & Software Engineer at Microsoft

September 1, 2017 - September 23, 2025

Collaborated with designers to create responsive, accessible web interfaces and translated design mockups into production HTML, CSS, and JavaScript; optimized applications for speed and scalability; used Git-based collaboration and Azure DevOps for project management; implemented accessibility best practices per WCAG and ARIA; integrated Google Analytics; participated in agile development and ongoing learning.

Senior Software Engineer at SIVO

May 1, 2022 - Present

Led front-end development for Sivo's Next.js-based debt-as-a-service platform, architected reusable React component libraries, migrated the front-end from JavaScript to TypeScript, built a real-time analytics DataView for 10,000+ users, integrated GraphQL APIs, created a dynamic map-based interface, powered an AI support assistant with LangChain, implemented Redux for state management, achieved 90%+ unit test coverage with Jest/Next Testing Library, and set up GitHub Actions CI/CD to shorten release cycles.

Full Stack Engineer at Ellipsis Health

August 1, 2022 - September 23, 2025

Developed features for an AI-powered mental health assessment platform using Next.js and TypeScript, built HIPAA-compliant interfaces for voice data collection, designed dynamic patient dashboards and clinician tools with React/Redux, implemented SSR/SEO enhancements, contributed to Python-based backend services for real-time speech processing and sentiment analysis, migrated to microservices with Docker/Kubernetes, optimized PostgreSQL schemas, and improved deployment reliability via cloud-native automation.

Frontend Engineer at Tripcents

September 1, 2020 - September 23, 2025

Developed core features of a travel budgeting platform using React, Next.js, and TypeScript; implemented secure authentication with Firebase Auth and JWT; built responsive UIs with CSS/Tailwind, boosting mobile engagement; integrated Stripe and PayPal for payments; created personalized travel recommendation flows; established Jenkins-based CI/CD pipelines and advanced PWA offline functionality.

Intern & Software Engineer at Microsoft

September 1, 2017 - September 23, 2025

Collaborated with designers to implement responsive web interfaces, optimized web apps for speed, accessibility, and SEO, used Git and Azure DevOps for version control and collaboration, implemented WCAG accessibility practices and ARIA attributes, integrated Google Analytics, and participated in Agile sprint planning and retrospectives.