Senior Backend Engineer for AI System Refactor

We are seeking an expert engineer to enhance our authentication system by aligning front-end and back-end processes. Currently, authentication is front-end only using localStorage which lacks scalability and security for production. The goal is to create a robust secure and scala ...

We are looking for an expert Excel VBA architect to review,<br refactoreflectorandfuture-proofthe system. · This is a well-built,macro-heavy workbook withcomplexVBA logicstructuredworkflowsandprovenfunctionality. ...

We are looking for an experienced Senior Backend/Systems Engineer to help us refactor and document the execution and orchestration layer of our deterministic engineering SaaS. The ideal candidate will have a strong background in backend engineering and systems architecture, with ...

We are looking for an experienced iOS Developer to refactor our existing finance tracking app written in Swift. The successful candidate will have strong experience in Swift and SwiftUI, with attention to detail and system-native UI practices. · ...

This is a project for refactoring an existing Swift-based finance tracking app. · ...

We have an existing Bubble-based SaaS platform that manages multi-location food production logistics, · The system is functional but has grown complex and workflow-heavy. We are looking for a senior-level Bubble architect to conduct a structured backend audit and provide a clear ...

We are looking for an experienced Java backend developer to refactor modernize and improve our existing Java Spring Framework backend that powers a digital signage platform. · ...

This position involves using ML to prevent student dropout. The role includes refactoring research code into a production-grade inference engine and designing a system without proprietary cloud dependencies.Refactor monolithic Jupyter Notebooks into a robust containerized microse ...

I have an existing application deployed on Vercel with Clerk authentication, Supabase database, and Stripe subscriptions already working. Need to refactor /api/chat route into a configurable 3-tier routing system. · Refactor existing chat API route into three configurable tiers. ...

I'm looking for an experienced n8n architect / senior automation engineer to refactor an existing automation into a clean CORE + RUNNER architecture suitable for multi-tenant SaaS use. · ...

I'm looking for an experienced n8n architect / senior automation engineer to refactor an existing automation into a clean CORE + RUNNER architecture suitable for multi-tenant SaaS use. · ...

We are looking for an experienced backend engineer to refactor and evolve an existing Python-based monitoring system into a fully modular, · scalable,and city-agnostic architecture.Refactor the existing system into a modular core architectureMaintain full compatibility with exist ...

A browser-based MVP for creating AI-generated greeting cards and invitations is being developed. The current implementation is buggy and needs to be refactored. · ...

I'm looking for a smart, experienced developer who understands software deeply, communicates exceptionally well, thinks like a PM (not just an engineer), and vibe-codes for a living using the best tools available today. · You'll work on both legacy and greenfield projects, modern ...

We're looking for a senior backend PHP developer to help migrate a large production codebase from PHP 5.6 to PHP 8.5 and upgrade MySQL. · Contract duration of 1-3 months · ...

A senior developer who can not only build new features but also refactor existing codebases, · Design robust backend systems. · Write clean and maintainable code. · Mentor junior developers. · Work independently with minimal supervision. · ...

We are looking for a motivated developer who wants to grow, improve code quality, and work closely with a senior technical lead on a real B2B product. · ...

We are seeking an experienced Python Pandas Expert to develop, maintain, and refactor data analysis legacy code. · The ideal candidate will have a strong understanding of data manipulation, performance optimization, and writing clean, · well-documented Python code that aligns wit ...

We're looking for an experienced PHP & React Developer to work on a live, production-grade logistics and medical courier management system used by labs, clinics, and healthcare providers. · ...

I am looking for a Replit & Cursor Engineer who can secure, clean up, and scale a fast-moving "vibe code" project. · The codebase has been built quickly using AI tools and needs a strong engineer to review architecture, improve security, clean up technical debt, and make it produ ...