Build Scalable RAG SaaS Backend

We are building DomaSight a SaaS platform for mortgage professionals that monitors existing loans and identifies refinance opportunities using a third-party pricing engine Mortech API.This job is for backend UX + system design only not coding. · The work involves defining roles p ...

We are seeking an expert Backend Developer to architect and build a modular, multi-tenant SaaS platform. · ...

I'm developing a SaaS for beauty businesses that uses AI to create UGC-style videos, images and captions. The tech stack includes HTML5 for the frontend Supabase for the database serverless backend n8n for automation and AI APIs like OpenAI I need a freelancer to set up backend A ...

Seeking an experienced backend developer to create the backend for a simple MVP for a SaaS. · ...

We are building a B2B SaaS focused on WhatsApp automation for local businesses and e-commerce in LATAM. · The product helps businesses handle high volumes of WhatsApp messages in an organized way, · automating repetitive conversations while allowing human agents to focus on high- ...

Build a Proof of Concept (POC) for a SaaS platform that allows users to connect to relational databases Create · Validate · Manage database connections , select datasets and ingest them into a data warehouse (Google BigQuery).Persist database connection configurations securely un ...

We're looking for a practical developer, focused on shipping fast and with a business-oriented mindset. · ...

We are seeking a skilled backend developer to join our team for an exciting SaaS web application project. · ...

We are looking for an experienced Python backend developer to help build a SaaS application. You'll be responsible for designing and building backend APIs, database models and core application logic. · Familiarity with FastAPI. · Experience working on python applications and writ ...

We are building a SaaS-style dashboard hosted on a WordPress site. · The frontend (React + Vite) is already built and ready. · ...

We are looking for an experienced developer to complete the backend of our SaaS application, · which is built using NestJS and Typescript. · Finishing the remaining tasks · E nsuring the application is robust, scalable and well-documented. · ...

We are building Phase 1 of a Missed Call Revenue Recovery Platform for dental clinics. · This SaaS MVP is designed to be used immediately, GDPR-safe, · and maintainable by a single founder.You will own the entire Phase-1 build, from schema · to APIs to background jobs. · ...

We are building TrackToMeasure, a marketing analytics SaaS designed for digital marketers. The tool scans websites to detect marketing tags generating actionable reports. · This is a project-based role where we need a developer who can take over an existing codebase understand th ...

We are building a B2B SaaS platform designed to automate and improve complex business workflows. · This is a real product with long-term plans, not a short-lived MVP. · Design and implement backend services and APIs for a B2B SaaS platform · Build and maintain a scalable data mod ...

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 seeking an expert backend developer to identify and fix bugs in our AI SaaS application. · ...

We are looking for a highly experienced backend engineer to rebuild/migrate our platform from Lovable Cloud to AWS ensuring it is HIPAA-compliant secure and hospital-ready.Design and implement HIPAA compliant AWS architecture VPC RDS S3 Lambda API Gateway Cognito KMS · Implement ...

We are a SaaS startup building a modern football academy platform that helps academies manage players coaches training programs performance analytics subscriptions and communication This role is ideal for someone who enjoys working in fast-paced startup environments building scal ...

We are seeking a highly skilled Senior Backend Engineer to design and implement a secure multi-tenant SaaS backend for our AI analytics platform.The ideal candidate will have extensive experience with OAuth integrations and Role-Based Access Control (RBAC) to ensure data security ...

We are building a multi-tenant AI voice platform for service businesses. · The backend is already partially built (FastAPI + PostgreSQL + Twilio media streams + AI integrations). We are now looking for a senior backend engineer to complete and harden the platform to production-gr ...