Frontend/Backend Developer Needed to Clean Up Messy Codebase

We're looking for a senior Full Stack developer to join us for 8 hours per week. · This is not a feature-building role. · We need someone to review and stabilize an existing production web codebase, · improve backend & frontend architecture and overall performance, · strengthen s ...

Experienced developer needed to review fix and refactor a project that was initially vibe-coded with AI. The code works partially but contains sloppiness such as poor structure redundant logic unclear naming and edge-case bugs. · ...

We have an existing React / web app that's live but running into UI bugs and performance issues. · Looking for an experienced frontend developer who can jump into an existing TypeScript codebase, · quickly identify problems, and fix them without breaking things.Mandatory skills:J ...

We are seeking an experienced JavaScript consultant to help us clean up and optimize our existing codebase, · Mandatory skills: JavaScript · HTML · CSS ...

We are looking for an experienced full-stack developer to take over an existing case unboxing / gambling-style platform that requires significant backend fixes, system stabilization and admin panel improvements. · Fully stabilize: Case Unboxing · Roulette · Jacpot · Coinflip · De ...

I am seeking a top-tier Senior iOS Engineer for a deep code cleanup project. The goal is to refactor the app's core logic, fix race conditions, and perform a code audit to ensure stability and scalability. · ...

We are looking for a UI Developer to join our team. · Must-Have Skills: React (primary front-end library), JavaScript (paired with React), Material UI or Bootstrap (UI frameworks) · ...

We are looking for a Replit & Cursor Engineer to secure, clean up and scale our fast-moving vibe code project. · Review and clean up existing code written in Replit / Cursor. · ...

Experienced frontend developer needed to fix production issues and improve performance in a React app.This is a short contract to stabilize the existing codebase. · ...

UI Developer responsible for designing and developing user interfaces using React and JavaScript. · Designing and developing user interfaces using React and JavaScript. · ...

We're an agency building client apps, client dashboards, and automation systems. We need a developer who works with AI coding tools as a force multiplier, not someone learning on the job. This is ongoing part-time work hours/week) with potential to expand. · ...

We're hiring a backend-focused engineer to help maintain and scale hundreds of active integration workflows that sync customer data across modern SaaS platforms. · Maintain and improve existing integration workflows · Debug API-driven sync issues across SaaS platforms · Implement ...

We are looking for a proactive Lead Developer/Full-Stack Engineer to manage our live mobile app. The app uses Flutter, TypeScript,, and MongoDB. · The ideal candidate will have experience with auditing the codebase, handling CI/CD pipeline and implementing small features and bug ...

We're looking for a long-term full-stack developer to work with us across multiple SaaS projects. · ...

We're looking for an experienced Unity mobile developer to help finalize and polish a nearly completed feature inside our gamified fitness tracking app. · The app is live and we're currently working on other updates as well. I recommend downloading the app and understand what we' ...

I have an existing MERN stack web application that is live but currently facing multiple technical and stability issues. · ...

We are looking for an experienced MERN developer who can debug and fix our existing web application. · ...

We provide the industrial infrastructure for Fulfillment on Demand (FoD) and Services-With-Accountability-as-a-Software (SWAaaS). · We have just acquired a legacy SaaS engine to serve as the digital ledger for this ecosystem, · Audit a legacy codebase · Seal performance leaks · ...

This is not a role for 2070. About Xponentiate: Xponentiate is a healthcare recruitment partner with deep industry expertise. We connect top talent with the right opportunities through a smart, efficient hiring process. With proven experience building organizations from the groun ...

We are looking for a highly experienced full stack developer to take ownership of an existing production website and help us move it to the next level. · This is not a build from scratch project. · You will be stepping into an active platform with an existing codebase built by a ...