Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi there, I’m Zacary Steinberg, a full-stack software engineer who loves building fast, scalable web apps. I specialize in React, TypeScript, and Node.js, with a strong focus on performance, developer experience, and maintainable architecture. I’ve led frontend migrations, launched MVPs, and improved system reliability through collaboration with product and design teams. I’m passionate about delivering high‑quality features on schedule and helping teammates grow their skills.…Hi there, I’m Zacary Steinberg, a full-stack software engineer who loves building fast, scalable web apps. I specialize in React, TypeScript, and Node.js, with a strong focus on performance, developer experience, and maintainable architecture. I’ve led frontend migrations, launched MVPs, and improved system reliability through collaboration with product and design teams. I’m passionate about delivering high‑quality features on schedule and helping teammates grow their skills.

Zacary Steinberg

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





Hi there, I’m Zacary Steinberg, a full-stack software engineer who loves building fast, scalable web apps. I specialize in React, TypeScript, and Node.js, with a strong focus on performance, developer experience, and maintainable architecture. I’ve led frontend migrations, launched MVPs, and improved system reliability through collaboration with product and design teams. I’m passionate about delivering high‑quality features on schedule and helping teammates grow their skills.…Hi there, I’m Zacary Steinberg, a full-stack software engineer who loves building fast, scalable web apps. I specialize in React, TypeScript, and Node.js, with a strong focus on performance, developer experience, and maintainable architecture. I’ve led frontend migrations, launched MVPs, and improved system reliability through collaboration with product and design teams. I’m passionate about delivering high‑quality features on schedule and helping teammates grow their skills.

Available to hire

Hi there, I’m Zacary Steinberg, a full-stack software engineer who loves building fast, scalable web apps. I specialize in React, TypeScript, and Node.js, with a strong focus on performance, developer experience, and maintainable architecture. I’ve led frontend migrations, launched MVPs, and improved system reliability through collaboration with product and design teams. I’m passionate about delivering high‑quality features on schedule and helping teammates grow their skills.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Software Engineer II at Fusable

April 1, 2022 - Present

Led migration from Ember.js to React + TypeScript, improving performance and reducing technical debt, contributing to ~25-30% faster load times. Owned end-to-end development of full-stack features (React, Tailwind, NestJS, PostgreSQL), delivering bug fixes, enhancements, and new functionality. Developed and launched an MVP product, enabling new client acquisition and supporting revenue growth. Optimized SQL queries and backend APIs, reducing response times by ~30% and improving data efficiency. Partnered with Product and Design to define requirements, scope user stories, and deliver high-quality features on schedule. Contributed to architectural decisions, code reviews, and production support (AWS, Auth0), improving system reliability, code quality, and team efficiency.

Software Engineer II (Promoted from Junior Developer) at Halos Systems

March 1, 2020 - April 1, 2022

Delivered full-stack features across multiple applications using Vue.js, Node.js, and MongoDB. mentored 5 junior developers on coding standards, architecture and best practices. Improved API performance and reliability through optimized database queries and integrations. Implemented UI/UX improvements based on user feedback, increasing engagement and usability.

HR & Communications Specialist at Tredroc Tire Services

October 1, 2016 - August 1, 2019

Managed HR and internal communications, coordinated cross-team initiatives, onboarding processes, and internal communications strategies to improve organizational efficiency and employee engagement.