Python/Flask Developer: AWS Backend Stabilization

We are running a SaaS platform built on FastAPI and PostgreSQL hosted on AWS facing a critical stability issue needing Senior Backend Engineer to investigate fix immediately. · Audit Code Review specific FastAPI endpoint database models. · Fix Bottleneck Optimize query refactor l ...

We need to migrate an existing Shopify app that collects retailer product data and updates it daily to a new server, · Migrate an existing Shopify app · ...

Relocate and stabilize an existing Shopify app by moving data handling to a new server. · ...

We are building an internal SaaS application using Lovable as the core platform. Phase 1, a security and architecture audit, has already been completed. We now require a senior engineer to review those findings and lead Phase 2 with a focus on production hardening and Xero Practi ...

Job Description · We have an existing production mobile application built with React Native (Expo) and a + Express + backend deployed on DigitalOcean using PM2. · This is NOT a new build. · The system is live and functional, but we need a senior backend engineer to audit, stabi ...

+Job summary · We have an existing Flutter app running on iOS via Xcode. · +ResponsibilitiesiOS StoreKit subscriptions (Flutter in_app_purchase or equivalent) · Sandbox testing setup + product ID verification + restore purchases · Fix onboarding stability issues (e.g., setState() ...

I am looking for a backend engineer to stabilize harden and extend my existing backend system so it can support early pilot users. · ...

We are building SLC Assure, a SaaS platform focused on supply-chain compliance, audit tracking, and regulatory reporting. · The system is already partially developed (~60% complete). We are currently working on stabilizing the backend before MVP launch (target: April 2026). · Tec ...

We are looking for a Backend/DevOps engineer to identify and fix production stability issues on our marketplace MVP with intermittent 500 errors. · ...

Remote | Contract (Stabilization Phase → Ongoing Potential) · About Govara: · Govara is a compliance verification and trust infrastructure platform focused on AI, security, and privacy governance. The platform provides clause-level scoring, evidence-based verification, subscripti ...

+We are seeking a senior-level System Architect to stabilize and harden an existing multi-tenant healthcare SaaS platform prior to pilot deployment. · + Proven multitenant SaaS architecture experience Strong backend enforcement design expertise Experience in regulated or healthca ...

We're looking for an experienced fullstack mobile developer to fix issues in an existing app and stabilize its backend integration. · The current codebase requires improvements around: · • API communication · • State management · • Error handling · • General code cleanup and stab ...

We have an existing deployed web portal with frontend pages, admin panel, backend, and database already built. The codebase is complete but requires review, stabilization, and completion of some functionality. · We need an experienced full stack engineer to: · • Review and unders ...

We are seeking a senior engineer capable of performing: · A full RLS audit and performance refactor, including consolidation of permissive policies and optimization of policy execution logic. · A security review of all custom Postgres functions, including search_path hardening, p ...

We are looking for a skilled Backend Engineer with strong Golang experience to design, build, and maintain reliable server-side systems. The role involves working on production applications, improving performance, and ensuring scalability and stability. · You should be comfortabl ...

We are looking for a mid-level Python backend developer to review, stabilize and improve an existing intraday trading bot. · This is NOT a build from scratch project. The bot is already developed but requires stabilization and architecture improvements. · ...

We are looking for an experienced full-stack developer to take over an existing case unboxing / gambling-style platform that requires significant backend fixes, · Fix deposit issues (credits sometimes count as 2x) · Repair and stabilize existing game modes · Finish / clean up inc ...

I have an existing MERN stack web application that is live but currently facing multiple technical and stability issues. I'm looking for an experienced MERN developer who can debug, fix, and stabilize the application. · ...

We have an existing deployed real estate web portal built with Python backend, admin panel, frontend templates, and database integration. The system is complete but requires stabilization, debugging, and completion. · This is a takeover project. No rebuild. · Your responsibilitie ...

We're building a web-based production workspace The frontend UI is largely built the backend is partially integrated We need a support to just stabilize and finish the backend so users can reliably sign up/login have isolated data per user/org and drag/import assets into the app ...