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I'm Jason Lee, a Senior Full Stack Engineer with over 9 years of experience building scalable web applications, enterprise platforms, and customer-facing digital products across fintech, enterprise automation, consulting, and observability domains. I specialize in Python, Node.js, TypeScript, React, Angular, and API-driven distributed systems, delivering secure, high-performance, cloud-native solutions across the full SDLC. I'm experienced in AI integration, AI orchestration, LLM-powered workflows, Kafka-based messaging, and production monitoring with Grafana.…I'm Jason Lee, a Senior Full Stack Engineer with over 9 years of experience building scalable web applications, enterprise platforms, and customer-facing digital products across fintech, enterprise automation, consulting, and observability domains. I specialize in Python, Node.js, TypeScript, React, Angular, and API-driven distributed systems, delivering secure, high-performance, cloud-native solutions across the full SDLC. I'm experienced in AI integration, AI orchestration, LLM-powered workflows, Kafka-based messaging, and production monitoring with Grafana.

Jason Lee

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

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I'm Jason Lee, a Senior Full Stack Engineer with over 9 years of experience building scalable web applications, enterprise platforms, and customer-facing digital products across fintech, enterprise automation, consulting, and observability domains. I specialize in Python, Node.js, TypeScript, React, Angular, and API-driven distributed systems, delivering secure, high-performance, cloud-native solutions across the full SDLC. I'm experienced in AI integration, AI orchestration, LLM-powered workflows, Kafka-based messaging, and production monitoring with Grafana.…I'm Jason Lee, a Senior Full Stack Engineer with over 9 years of experience building scalable web applications, enterprise platforms, and customer-facing digital products across fintech, enterprise automation, consulting, and observability domains. I specialize in Python, Node.js, TypeScript, React, Angular, and API-driven distributed systems, delivering secure, high-performance, cloud-native solutions across the full SDLC. I'm experienced in AI integration, AI orchestration, LLM-powered workflows, Kafka-based messaging, and production monitoring with Grafana.

Available to hire

I’m Jason Lee, a Senior Full Stack Engineer with over 9 years of experience building scalable web applications, enterprise platforms, and customer-facing digital products across fintech, enterprise automation, consulting, and observability domains.

I specialize in Python, Node.js, TypeScript, React, Angular, and API-driven distributed systems, delivering secure, high-performance, cloud-native solutions across the full SDLC. I’m experienced in AI integration, AI orchestration, LLM-powered workflows, Kafka-based messaging, and production monitoring with Grafana.

Skills

Experience Level

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Work Experience

Senior Software Engineer at SoFi

July 20, 2022 - Present

Designed and delivered full-stack applications for digital financial products using Python, Node.js, TypeScript, React, and Angular, supporting scalable customer-facing and internal platform initiatives. Built and enhanced backend services and REST/GraphQL APIs, optimized performance and reliability across production systems. Developed modern front-end dashboards, onboarding flows, servicing tools, and operational interfaces. Integrated AI-powered features including LLM-based assistants, workflow automation, summarization, and multi-step orchestration for business operations. Implemented event-driven architectures with Kafka and asynchronous processing to enable reliable inter-service communication. Optimized data access with PostgreSQL and Redis, and managed API integrations to ensure secure, scalable application behavior. Used Grafana for monitoring and improved service reliability through observability practices. Collaborated with product, design, platform, and data teams to deliver

Full Stack Engineer at Appian

September 1, 2020 - June 30, 2022

Developed enterprise-grade full-stack applications for workflow automation and business processes. Built responsive front-end interfaces and integrated backend services for case management, approvals, and process-centric applications. Designed API integrations connecting internal systems and external platforms to reduce manual work and improve end-to-end efficiency. Contributed to scalable and secure application architecture by aligning front-end logic, backend behavior, and data-access patterns with enterprise requirements. Created reusable components and shared implementation patterns using JavaScript, TypeScript, React, and Angular to improve maintainability and delivery consistency. Supported event-based and service-oriented workflows involving Kafka and asynchronous data movement across connected systems where needed. Used Grafana and application monitoring data to support troubleshooting, performance analysis, and production issue resolution in collaboration with cross-functional

Software Engineer at Endava

March 1, 2018 - August 31, 2020

Delivered full-stack software solutions for enterprise clients across digital transformation engagements, building modern applications, APIs, and integrations. Engineered backend services using Node.js and Python while developing dynamic front-end applications with React, Angular, and TypeScript. Supported legacy modernization efforts by converting outdated workflows into scalable, cloud-ready applications with improved usability and maintainability. Created reusable UI components, service contracts, and integration frameworks that accelerated feature delivery and ensured consistency across projects. Implemented asynchronous service communication and Kafka-based messaging in distributed environments. Used Grafana and production monitoring workflows to assist with troubleshooting, performance validation, and continuous improvement across client systems.

Full Stack Developer at Datadog

March 1, 2016 - February 28, 2018

Contributed to the development of cloud monitoring and observability products by building full-stack features that improved infrastructure visibility and operator experiences. Developed backend services and front-end components supporting telemetry-driven workflows, operational dashboards, and customer-facing platform functionality. Contributed to scale-ready data environments, improving how users interact with monitoring insights and platform data. Built and enhanced API-driven features supporting modern cloud operations, internal product workflows, and better usability for technical users. Worked with observability-focused systems and interfaces closely related to metrics visualization and monitoring workflows consistent with Grafana.