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I'm Daniel Park, a Senior Full-Stack Software Engineer with 10+ years of experience building and scaling web and enterprise applications. I specialize in JavaScript, Python, PHP, .NET, and Spring Boot, designing secure APIs, cloud-ready architectures, and end-to-end systems. I’ve led migrations, implemented AI-enabled workflows, and delivered robust software solutions across startups and large enterprises. I thrive on collaborating with product and design teams to modernize legacy systems, architect scalable solutions, and deliver high-impact software at scale. I’m proficient in a wide range of technologies, enjoy solving complex problems, and continuously pursue learning to stay ahead in the ever-evolving tech landscape.…I'm Daniel Park, a Senior Full-Stack Software Engineer with 10+ years of experience building and scaling web and enterprise applications. I specialize in JavaScript, Python, PHP, .NET, and Spring Boot, designing secure APIs, cloud-ready architectures, and end-to-end systems. I’ve led migrations, implemented AI-enabled workflows, and delivered robust software solutions across startups and large enterprises. I thrive on collaborating with product and design teams to modernize legacy systems, architect scalable solutions, and deliver high-impact software at scale. I’m proficient in a wide range of technologies, enjoy solving complex problems, and continuously pursue learning to stay ahead in the ever-evolving tech landscape.

Daniel Park

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

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I'm Daniel Park, a Senior Full-Stack Software Engineer with 10+ years of experience building and scaling web and enterprise applications. I specialize in JavaScript, Python, PHP, .NET, and Spring Boot, designing secure APIs, cloud-ready architectures, and end-to-end systems. I’ve led migrations, implemented AI-enabled workflows, and delivered robust software solutions across startups and large enterprises. I thrive on collaborating with product and design teams to modernize legacy systems, architect scalable solutions, and deliver high-impact software at scale. I’m proficient in a wide range of technologies, enjoy solving complex problems, and continuously pursue learning to stay ahead in the ever-evolving tech landscape.…I'm Daniel Park, a Senior Full-Stack Software Engineer with 10+ years of experience building and scaling web and enterprise applications. I specialize in JavaScript, Python, PHP, .NET, and Spring Boot, designing secure APIs, cloud-ready architectures, and end-to-end systems. I’ve led migrations, implemented AI-enabled workflows, and delivered robust software solutions across startups and large enterprises. I thrive on collaborating with product and design teams to modernize legacy systems, architect scalable solutions, and deliver high-impact software at scale. I’m proficient in a wide range of technologies, enjoy solving complex problems, and continuously pursue learning to stay ahead in the ever-evolving tech landscape.

Available to hire

I’m Daniel Park, a Senior Full-Stack Software Engineer with 10+ years of experience building and scaling web and enterprise applications. I specialize in JavaScript, Python, PHP, .NET, and Spring Boot, designing secure APIs, cloud-ready architectures, and end-to-end systems. I’ve led migrations, implemented AI-enabled workflows, and delivered robust software solutions across startups and large enterprises.

I thrive on collaborating with product and design teams to modernize legacy systems, architect scalable solutions, and deliver high-impact software at scale. I’m proficient in a wide range of technologies, enjoy solving complex problems, and continuously pursue learning to stay ahead in the ever-evolving tech landscape.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full-stack Developer at Upwork

August 1, 2013 - Present

Freelance full-stack developer delivering AI-powered pricing and recommendation platforms, real estate CRM systems, and SaaS applications. Built front-end with React and Next.js; back-end with Python and Node.js; implemented payment integrations (Stripe, PayPal) with subscriptions and webhooks; developed admin dashboards with RBAC; designed REST and GraphQL APIs; implemented authentication (JWT, OAuth, social login) using Supabase Auth. Led end-to-end projects from MVP to production, optimized data-driven dashboards, ensured secure file uploads, and maintained performance and scalability across AWS, Vercel, Docker, and GitHub Actions.

Senior Full-Stack Developer at AXA XL

February 1, 2021 - June 1, 2025

Led migration of 30+ applications to a modern React/Angular + Spring Boot framework, improving scalability and maintainability. Built a custom Spring Boot app generator to accelerate prototyping and standardize adoption. Designed enterprise frameworks with governance approval, and developed an Active Directory–based permission service to enhance authentication and compliance. Directed an engineering team of 10+ and transitioned CI/CD pipelines from Jenkins/Azure DevOps to Harness & OpenShift, cutting deployment time by 35%.

Senior Software Architect at All in Data

September 1, 2016 - April 1, 2021

Upgraded legacy API to .NET 5 RESTful services, improving scalability and reducing backend errors. Deployed a new backend API for a customer portal, integrating with a legacy billing system and boosting transaction speed. Accelerated developer onboarding by Dockerizing the development environment. Expanded UI with added React-based screens and resolved multiple UI defects to improve user experience.