Hi, I am Mike Lautensack
I am a Full-Stack web developer
I specialize in Node.js, React.js, and Next.js
About Me
As a self-taught Full Stack Web Developer with 2.25 years of focused experience, I specialize in creating robust web applications using TypeScript, React, Next.js, and Vite. My expertise spans frontend, backend, and fullstack development, with a proven track record on Upwork as a Top Rated freelancer with a 100% Job Success Score.
I excel in deploying Next.js applications on Vercel and RESTful APIs to Azure, delivering comprehensive cloud solutions. My projects, including an Estimate Generator for contractors and a real-time Socket.io Chat App, showcase my ability to implement complex features and integrate various technologies seamlessly.
What sets me apart is my unique blend of technical expertise and business acumen, derived from prior entrepreneurial experience. This background enables me to build technically sound solutions that align closely with small business needs, particularly in developing SaaS products. My approach combines meticulous attention to detail with a forward-thinking mindset, driving me to create innovative web solutions that efficiently solve real-world problems.
Work Experience
01.
Full-Stack Developer (Contract)
@ Upwork
May 2023 – Present
• Built and maintained web applications for small businesses using Node.js, Next.js, React.js, and PostgreSQL
• Integrated secure Stripe payment systems and implemented tiered subscription logic for SaaS platforms
• Developed internal React component libraries and documentation for developers
• Achieved Top Rated Plus, 100% Job Success Score, and many 5 Star client reviews on Upwork
02.
Full-Stack Developer - Cargo Fax - cargofax.co (Contract)
@ Cargo Fax
Dec 2024 – May 2025
• Refactored legacy Python app to Next.js 14 app router with a PostgreSQL database via Supabase
• Integrated subscription billing with Stripe
• Integrated Sentry for error and performance monitoring in production
03.
Backend Developer - evyAI - evyai.com (Contract)
@ evyAI
Dec 2024 – Jan 2025
• Wrote Google Firebase cloud functions in TypeScript for an AI web application + chrome extension
• Wrote custom authentication and logger middleware for backend
04.
Frontend Developer (Contract)
@ Software Harmonics LLC
Feb 2024 – Aug 2024
• Enhanced production React.js sales platform used by sales teams at a commercial trucking company
• Refactored legacy React frontend application from Create React App to Vite, reducing dev server startup time from minutes to seconds, added hot module reloading, and updated from React 16 to React 18
• Developed custom TypeScript React.js component library and VSCode extensions for internal development workflows at Software Harmonics LLC
• Created comprehensive documentation for component library and developer tooling
Projects
Testimonials
Mike is a great React Developer who embodies a commitment to understanding best practices and aligning with industry standards. His meticulous approach to learning and implementing these principles ensures that our projects maintain the highest levels of quality and efficiency. Mike's dedication to staying informed about the latest developments in React and related technologies sets him apart as a forward-thinking professional. With his attention to detail and focus on excellence, Mike consistently delivers exceptional results, making him an invaluable asset to our team.
Lonny B.
Software Harmonics LLC
Skills
JavaScript
Core programming language for web development, enabling interactive and dynamic website functionality
TypeScript
Advanced JavaScript with static typing for building scalable and maintainable applications
React.js
Library for building dynamic and responsive user interfaces with a component-based architecture
Next.js
React framework for server-side rendering, static site generation, and building production-ready applications
Vite
Modern build tool for faster development and optimized production builds, with expertise in library mode for component libraries
Node.js
JavaScript runtime for building scalable server-side applications and APIs
Express.js
Web application framework for Node.js, used for building robust and flexible backend services
C#
Versatile, object-oriented programming language for developing a wide range of applications
.NET
Free, cross-platform, open-source developer platform for building many different types of applications
Azure
Cloud platform for deploying, managing, and scaling web applications and services
Vercel
Platform for deploying and hosting Next.js and other frontend applications with ease
Git
Distributed version control system for tracking changes in source code during software development
GitHub
Web-based platform for version control and collaboration using Git
Docker
Containerization technology for consistent development, shipping, and deployment of applications
PostgreSQL
Open-source relational database management system for storing and managing application data
MySQL
Popular open-source relational database management system for web applications
REST API Design
Principles and best practices for designing scalable and efficient web APIs
Socket.io
Library for building real-time, bidirectional communication between web clients and servers
Three.js
JavaScript library for creating 3D graphics and animations in the browser