Understand and Improve an Existing Codebase

We are seeking an experienced developer to help us make our existing app codebase live. · ...

I'm looking for a full stack developer to complete a coding platform. Fast Python and Tanstack Frontend (React based). · Mandatory skills: React, Python, JavaScript, · PostgreSQL · Web Development · ...

We need an experienced PHP developer to take over an existing live web application. · A senior PHP developer with strong PHP experience, comfortable working in legacy code, solid debugging skills and MySQL knowledge is required. The work involves reading, understanding and safely ...

Develop the front end without breaking the code. · ...

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 ...

We are looking for an experienced React + Tailwind CSS developer to work on an existing CRM system that is already built and functional. · This is not a new build. The goal of this project is to review the current CRM UI, fix visual inconsistencies, improve responsiveness, resolv ...

I'm looking for a skilled Flutter developer to refactor improve and extend an existing mobile application called Home Services . · Review and refactor the existing Flutter codebaseIdentify and fix bugs and stability issuesImprove performance and app responsiveness Implement new ...

This job is for Phase II of TavernSeat live marketplace connecting players with Game Masters for online tabletop RPG sessions. · This job is not greenfield work — you will be extending an existing codebase. · ...

We are seeking a senior hands-on Salesforce developer to review complete an existing partially implemented codebase under fixed deadline. Live production contest scheduled for thirtieth all core functionality must be complete stable by twentieth. · A live production contest is sc ...

We are looking for a frontend developer to help update our existing marketing website by converting new Figma designs into production-ready Hugo templates. · The scope of work covers two pages provided in Figma: the homepage and one additional landing page. · Proven experience wo ...

We're looking for an experienced Flutter developer to work on an existing production app.This role requires strong ability to understand and extend an existing codebase and deploy to Android, iOS, and Web (Web is mandatory). · ...

Looking for a experienced Unity developer to continue development on a game. · ...

We are looking for an experienced MERN Stack developer to analyze, debug and optimize an existing web application. · This is a short-term project focused on working with an existing MERN codebase. · Strong experience with MERN Stack · Proven debugging and optimization skills · ...

A hands-on Full-Stack Developer is needed to refactor an existing React + codebase into a streamlined marketplace platform for adult-oriented content. · Take ownership of an existing repository written by another developer. · Simplify architecture. · Improve code quality. · ...

We are looking for a senior · Laravel developer to take over an existing live production application. · Take over a live Laravel production application · Recover the existing codebase from the production server into Git · Set up and manage Git based deployments with Laravel Fo ...

We are building a foresight intelligence system that detects emerging AI/ML capabilities from scientific literature. You'll be working on the embedding pipeline that converts a stream of research papers into dense vector representations that power downstream clustering, signal de ...

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 looking for a Senior Python Developer to work on our LLM Response Quality Gating project. You will be responsible for modifying an existing Python codebase to add post-response quality assessment with automatic escalation to stronger models when quality thresholds fail. · ...

About the Project: · We run , a lead generation platform in the financial space. Our system processes consumer loan applications and distributes them to multiple third-party APIs (lead buyers) in real-time. We're looking for an experienced developer who can maintain, enhance, and ...

We need a React developer to make very small targeted changes in an existing React application. · This is not new development—only minor updates in an already working codebase.Make minor UI or logic adjustments in existing React components · Update text labels or small layout beh ...