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Hi! I'm Joshua Lilienthal, a passionate software engineer who loves creating scalable and efficient web applications. I enjoy leveraging modern frameworks and technologies to build innovative solutions that truly make a difference. When I'm not coding, you'll find me enjoying punk rock and 80s new wave music, cooking delicious meals, or walking my beautiful dog. I'm committed to creating accessible technology and always eager to tackle new challenges, whether that's fighting eldritch monsters or collaborating with clients to deliver the best software possible. Let's build something great together!…Hi! I'm Joshua Lilienthal, a passionate software engineer who loves creating scalable and efficient web applications. I enjoy leveraging modern frameworks and technologies to build innovative solutions that truly make a difference. When I'm not coding, you'll find me enjoying punk rock and 80s new wave music, cooking delicious meals, or walking my beautiful dog. I'm committed to creating accessible technology and always eager to tackle new challenges, whether that's fighting eldritch monsters or collaborating with clients to deliver the best software possible. Let's build something great together!

Joshua Lilienthal

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

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Hi! I'm Joshua Lilienthal, a passionate software engineer who loves creating scalable and efficient web applications. I enjoy leveraging modern frameworks and technologies to build innovative solutions that truly make a difference. When I'm not coding, you'll find me enjoying punk rock and 80s new wave music, cooking delicious meals, or walking my beautiful dog. I'm committed to creating accessible technology and always eager to tackle new challenges, whether that's fighting eldritch monsters or collaborating with clients to deliver the best software possible. Let's build something great together!…Hi! I'm Joshua Lilienthal, a passionate software engineer who loves creating scalable and efficient web applications. I enjoy leveraging modern frameworks and technologies to build innovative solutions that truly make a difference. When I'm not coding, you'll find me enjoying punk rock and 80s new wave music, cooking delicious meals, or walking my beautiful dog. I'm committed to creating accessible technology and always eager to tackle new challenges, whether that's fighting eldritch monsters or collaborating with clients to deliver the best software possible. Let's build something great together!

Available to hire

Hi! I’m Joshua Lilienthal, a passionate software engineer who loves creating scalable and efficient web applications. I enjoy leveraging modern frameworks and technologies to build innovative solutions that truly make a difference. When I’m not coding, you’ll find me enjoying punk rock and 80s new wave music, cooking delicious meals, or walking my beautiful dog.

I’m committed to creating accessible technology and always eager to tackle new challenges, whether that’s fighting eldritch monsters or collaborating with clients to deliver the best software possible. Let’s build something great together!

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Javanese

Intermediate

Aragonese

Intermediate

Work Experience

Software Engineer at SvARIA

January 1, 2024 - Present

Developed and fine-tuned a Retrieval-Augmented Generation (RAG) model on SVARIA’s component library, enabling an intelligent chatbot for rapid, context-driven component customization. Implemented robust accessibility features such as keyboard navigation support and color-blind friendly design adhering to WAI-ARIA guidelines. Architected a dynamic frontend using SvelteKit for high performance and scalability. Developed data persistence layer using PostgreSQL with ACID principles, optimizing queries for reliability and performance. Deployed the application on AWS Elastic Beanstalk, leveraging automated deployment and scaling, and containerized using Docker for consistent development environments and seamless scaling.

Backend Developer at Aivilo LLC.

December 31, 2025 - July 10, 2025

Developed and optimized a robust data model in PostgreSQL for a dynamic content creation platform with normalized tables and efficient foreign key relationships. Implemented scalable GraphQL APIs to facilitate real-time interactions including complex hierarchical data management with advanced filtering and relational lookups. Designed and executed end-to-end CRUD operations leveraging GraphQL resolvers and PostgreSQL queries, ensuring consistent and efficient data retrieval across frontend and backend.

Software Engineer at Freelancing

January 1, 2023 - Present

Developed tailored web applications using modern frameworks like React, Svelte, and Express, delivering scalable and maintainable solutions customized for client needs. Designed and implemented RESTful APIs for secure and efficient data exchange between frontend and backend systems. Optimized performance by refactoring legacy codebases, enhancing response times, and applying clean code best practices. Collaborated with clients to define technical requirements and architecture, integrated third-party tools and cloud platforms to improve functionality and user experience.