Experienced Dev Ops from start to finish, We are seeking a skilled Python and React Developer Expert for Web Based Trading Application Platform to create a robust and user-friendly application for both web and mobile users. The ideal candidate will have experience in developing and launching apps from start to finish. Knowledge of stocks and options is necessary or trading experience is a MUST. If you do not know how to trade stocks or options, you will be required to take a strategy class (fee paid by the applicant freelancer) with founder owner, to learn how the trading strategy works, in-order to be hired. Deliverables • Ensure existing application functionality and performance as per founder owners requirements • Strategy is proprietary and is confidential for period of 30 years • All coding is live over anydesk each day, all coding sessions are recorded over zoom

We are looking for a highly experienced senior full-stack developer to take over and continue building an existing custom web platform. This is a takeover + completion role, not a ground-up build. We need someone who can understand a complex system quickly, interpret product vision accurately, and deliver fully functional features the first time with minimal back-and-forth. About the role We are building a multi-user digital platform ecosystem with: role-based user dashboards content and discovery systems saved content / collections functionality marketplace-style interactions between users search and filtering systems structured user profiles and matching logic A significant portion of the platform is already built. The current challenge is not design — it is true functionality, system completion, and reliability. What you will do Take over an existing codebase from a previous developer Understand the full platform quickly without extensive hand-holding Identify what is incomplete, broken, or not functioning correctly Fix and complete core platform functionality Improve search, filtering, and marketplace discovery logic Ensure all features actually work end-to-end (not just UI) Double-check your own work before submission Build with stability, accuracy, and production readiness in mind Key focus areas Marketplace functionality between multiple user types Search and filtering system (accuracy + relevance are critical) Role-based dashboards and permissions User discovery / matching logic Content feed and engagement features Saved content / collections system Messaging or interaction systems between users Admin/owner control features Must-have experience We are ONLY looking for senior-level developers with proven experience in: Full-stack web application development Marketplace platforms OR multi-user systems Search / filtering / discovery systems Working inside existing codebases (not just building from scratch) Backend + frontend integration Database design and structured data systems Debugging and completing incomplete platforms Ideal candidate You are a strong fit if you: Can quickly understand large, complex platforms Have built or improved marketplaces, SaaS tools, or social platforms Think in systems and workflows, not just individual pages Take ownership of functionality (not just code delivery) Test and verify your own work before submitting Prefer fixing and improving over rebuilding from scratch Can translate non-technical vision into real working systems Important expectations This is NOT a simple website build This is NOT a design-focused project This is NOT a rebuild from scratch You must be comfortable inheriting existing work You must ensure features are fully functional before delivery Accuracy and reliability are more important than speed alone We are looking for someone who can own the functionality layer of a complex platform. Please include in your proposal Examples of marketplace, SaaS, or multi-user platforms you have built or improved Examples of projects where you inherited an existing codebase How you approach understanding a large unfamiliar system How you ensure your work is fully functional before delivery Your experience with search, filtering, or discovery systems Your availability for the next 4–6 weeks Bonus (strongly preferred) Experience improving search or ranking systems Experience with marketplace discovery flows Strong backend architecture experience Startup experience working under fast timelines Strong attention to detail and QA mindset

Are you an experienced web developer who loves building applications, enjoys mentoring, and is excited about leveraging AI to code faster? I am looking for a sharp, collaborative technical partner to work with me live over Zoom to build out various web applications. A core part of our workflow will involve utilizing Claude (and other AI tools) to brainstorm, scaffold, and accelerate our development process. Instead of working in isolation, you will be partnering with me in real-time to solve problems, review code, architect solutions, and push projects across the finish line. What You’ll Do Live Pair Programming: Join scheduled Zoom calls to actively write, debug, and review code together. AI Collaboration: Work alongside me to prompt, refine, and implement code generated by Claude to speed up the development lifecycle. Web Application Development: Help build, test, and deploy functional, clean web applications from scratch or improve existing codebases. Architectural Guidance: Offer advice on best practices, database design, and framework selection based on project needs. What I’m Looking For Strong Technical Foundations: Proficiency in modern web development frameworks and languages (e.g., JavaScript/TypeScript, React, Node.js, Python, or similar modern stacks). AI-Fluent: You don't just know how to code; you know how to use AI tools like Claude efficiently to debug, generate ideas, and optimize workflows. Excellent Communication & Patience: Since we will be working live on Zoom, you must be a clear communicator who enjoys explaining technical concepts and brainstorming out loud. Problem Solver: A knack for breaking down complex feature requests into manageable, step-by-step development tasks.

Title: Backend Developer — AI Data Pipeline, Vector DB & Real-Time Push API Post: We are building an automated backend system that continuously crawls public web sources, processes and indexes content using AI, and delivers updates via webhooks. Looking for someone who has built this type of system before and can move fast. NDA required before project details are shared. What you’ll build: • Web crawler network —. • AI processing pipeline — cleans, deduplicates, chunks, and embeds ingested content into a vector database using an LLM embedding model. Quality scoring and incremental updates required. • Push API — monitors for significant content changes and delivers updates via webhook endpoints automatically. Includes configurable push schedules per subscriber, REST query endpoint, API key authentication, and token usage tracking per key. Tech stack (flexible — use what you know best): • Python (FastAPI) or Node.js • Any vector DB — Pinecone, ChromaDB, Supabase • Any LLM API — Anthropic or OpenAI • Any scheduler — n8n, APScheduler, cron • Redis for queue management • Railway, Render, or AWS for deployment Requirements: • NDA signed before kickoff — non-negotiable • Must have built RAG pipelines or vector DB systems in production — not tutorials • Must have experience with web crawlers and scheduled job pipelines • Must have experience with webhook delivery systems • GitHub or portfolio showing relevant deployed work required • 95%+ Job Success Score preferred • Individual contractors only — no agencies To apply include: • Example of a similar system you’ve built — web crawler, RAG pipeline, or push notification API • Your preferred stack for this type of build • Brief technical approach in 3–5 sentences • Hourly rate and availability to start Budget: $50–$80/hr Timeline: 3 weeks — focused sprint with daily check-ins

About the Role We are a funded fintech startup building a first-of-its-kind platform at the intersection of digital banking and social media intelligence. Think credit scoring — but for creators and entrepreneurs. Our platform combines financial tools, OAuth-connected social data, and a proprietary scoring engine into a seamless product used by creators, small business owners, and entrepreneurs. We are looking for a Senior Full-Stack Developer to own our entire technical stack — from server infrastructure to front-end experience — and help us scale from beta into a full product launch. This is not a freelance gig. This is a full-time salaried role with real equity potential at an early-stage company that is actively raising its seed round. You will be the technical backbone of the company. You will work directly with the founding team. What You Will Be Working On A PHP/Laravel API backend serving a multi-app ecosystem across production, staging, and demo environments A vanilla JS + HTML/CSS front-end for a consumer-facing creator dashboard, public profile pages, and a verification system A proprietary scoring engine that processes consented, first-party OAuth data from platforms including X/Twitter, Instagram, TikTok, LinkedIn, and YouTube A digital banking portal for investor and user financial management (Mercury, Dwolla, Stripe integrations) A server infrastructure running on a dedicated Hetzner bare-metal server (Ubuntu 24, Plesk, Apache, MySQL, Redis) that you will own end to end An admin dashboard for internal team operations — user management, lending, capital, communications Upcoming work: CI/CD pipeline implementation, Redis migration to internal infrastructure, TikTok and Meta OAuth API wiring, mobile-responsive passes, and banking partner integration The Stack Backend: PHP 8.x / Laravel, MySQL, Redis Front-End: Vanilla JavaScript, HTML5, CSS3 (no framework — clean component-based architecture) Infrastructure: Ubuntu 24.04, Plesk Obsidian, Apache, Hetzner dedicated server Integrations: OAuth 2.0 (X, Instagram, TikTok, LinkedIn, YouTube), Dwolla, Mercury, Twilio, Firebase, Stripe, Shopify Version Control: GitHub (org-based, branch workflow) Other: QR code generation, real-time verification systems, social data normalization What We Are Looking For Must-haves: 5+ years of full-stack development experience Strong PHP/Laravel — you can read, debug, and architect Laravel apps without hand-holding Solid vanilla JavaScript — you do not need React or Vue to build clean, fast, interactive UIs Comfortable owning server infrastructure — SSH, Linux, Plesk or cPanel, Apache config, MySQL administration Experience with OAuth 2.0 integrations — connecting to social media platform APIs is second nature Familiarity with fintech concepts — payments, banking APIs, KYC/AML flows, or financial data handling Git workflow discipline — clean commits, branch management, no cowboy pushes to main Strong written communication — you document your work, you write clear commit messages, you can explain architecture decisions to non-technical stakeholders Strong pluses: Experience at a fintech startup or financial technology company Familiarity with social media platform developer programs (X API, Meta Graph API, TikTok for Developers) Experience setting up CI/CD pipelines (GitHub Actions, Forge, Envoyer, or similar) Experience with Redis configuration and migration Any background in credit scoring, data normalization, or analytics engine architecture Prior W-2 employment experience (this is not a 1099 contractor role) What You Get Full-time salaried position — compensation discussed during interview based on experience Direct access to and collaboration with the founding team The opportunity to be the lead technical voice at a company that is actively fundraising and preparing for a full public launch A codebase that is real, live, and in use — not a greenfield project, not a prototype Remote-first culture — flexible hours, async-friendly, results-driven What This Is Not This is not a short-term project or hourly contract This is not a role where you will be handed a spec and left alone This is not a company where the tech is an afterthought — the product IS the technology

We’re looking for an experienced full-stack React / React Native developer to help maintain and grow our B2B SaaS platform. Yelli is a web and mobile platform used by restaurants and hospitality businesses for training, onboarding, communication, testing, and operational documentation. The platform is already live with paying customers, and we are currently focused on improving the product, shipping new features, and scaling the platform. This is not a greenfield project. You'll be stepping into an existing codebase and working directly with the founder to improve, maintain, and evolve the product. Tech Stack: - Node.js - TypeScript - React - React Native - MySQL - AWS (EC2, S3, CodeDeploy) - Firebase - GitLab CI/CD What You'll Be Doing: - Maintaining and improving an existing web and mobile application - Fixing bugs and troubleshooting production issues - Shipping new features and enhancements - Reviewing existing architecture and suggesting improvements - Participating in weekly planning and progress meetings - Communicating progress and blockers proactively - Taking ownership of assigned projects from start to finish What We're Looking For: - 5+ years of professional full-stack development experience - Strong experience with React and React Native - Strong Node.js and TypeScript experience - Experience working with AWS-hosted applications - Experience with MySQL and relational database design - Comfortable working within an existing codebase - Strong debugging and problem-solving skills - Excellent written and verbal English communication - Reliable, responsive, and self-directed Bonus Points - SaaS startup experience - Hospitality or restaurant technology experience - UI/UX experience - Experience leading projects or mentoring developers - DevOps or infrastructure experience !!Important!! Communication is extremely important for this role. We are looking for someone who can communicate clearly, participate in weekly video meetings, explain technical decisions in plain English, and provide consistent updates on progress and blockers. Engagement Details: - Part-time freelance to start - Approximately 10–20 hours per week - Long-term opportunity for the right person - Direct relationship with the company (no agencies or subcontracting) When applying, please include: - A brief summary of your React Native experience - A SaaS product you've worked on that is currently live - Your availability (hours per week) - Your hourly rate - Why you think you'd be a good fit for this role Please do not use AI-generated proposals. We are looking for thoughtful, personalized responses that demonstrate relevant experience.

NobleProg is seeking an experienced Full Stack Development Trainer to deliver live, instructor-led training focused on building web applications using the FARM stack: FastAPI, React, and MongoDB. This course focuses on helping developers build dynamic, high-performance, and scalable full stack web applications using Python-based backend development, React frontend development, and MongoDB database integration. Engagement Details Location: Remote Daily Rate: $1,100 per training day Duration: 2 days Number of Participants: 5 Course Scope The training covers the full FARM stack development workflow, from environment setup and backend API development to React frontend implementation, MongoDB integration, application testing, deployment, and basic security practices. Course Outline - https://www.nobleprog.com/cc/farmstack NobleProg SOP - https://share.synthesia.io/a0788c6e-56d5-4da8-92c6-0d5c03ad6d52 Key Topics Include * FARM stack overview and comparison with MERN * FastAPI, React, and MongoDB development environment setup * MongoDB Atlas setup and database connection * Building REST APIs with FastAPI * CRUD operations and MongoDB functions * API testing and troubleshooting * Creating React projects and frontend components * Using axios, bootstrap, CSS, and JSX * Adding interactive frontend functionality * Testing full stack applications * Backend and frontend deployment * Authentication, user management, routers, and access permissions Trainer Responsibilities * Deliver engaging, instructor-led FARM full stack development training * Provide practical examples and hands-on lab exercises * Explain backend, frontend, and database concepts clearly * Support participants in building and testing full stack applications * Customize the course based on participant background and client needs * Prepare training materials and hands-on exercises (trainer remains the ownership of training content) Required Qualifications * Strong hands-on experience with FastAPI and Python backend development * Strong experience with React frontend development * Experience working with MongoDB and MongoDB Atlas * Experience building, testing, and deploying full stack web applications * Prior experience delivering technical or corporate training Nice to Have * Experience with FARM, MERN, or similar full stack development frameworks preferred * Experience with authentication and user management implementation preferred * Experience deploying applications using Heroku, GitHub, or similar platforms preferred How to Apply Please include * A brief overview of your FARM or full stack development experience * Your experience with FastAPI, React, and MongoDB * Your experience delivering instructor-led or corporate technical training * Confirmation of remote and/or onsite availability in the USA * Any relevant examples of full stack development training delivered

Professional Auto Appraisals is seeking an experienced full-stack developer to add a customer onboarding portal to our existing appraisal management application. Important: We already have a working claim management/tracking system. We are not looking for a new CRM, dashboard, or claim management platform. This project is to extend our existing application and automate the client onboarding process. Developer must be comfortable reviewing and modifying an existing codebase. This is not a greenfield project. The selected developer will be extending an existing appraisal management application and integrating new functionality into the current architecture. Project Goal Create a customer-facing portal that allows a client to: * Submit claim information * Upload documents * Complete required agreements * Sign documents through DocuSign * Pay online * Automatically create a claim in our existing application after onboarding is complete Required Workflow Step 1 - Customer Intake Customer completes an online intake form from our website. The form should collect: * Name * Email * Phone number * Address * Insurance carrier * Claim number * Adjuster information * Vehicle year, make, and model * VIN * Mileage * Settlement offer amount * Lienholder information * GAP coverage information * Vehicle photos * Insurance valuation report * Supporting claim documents Step 2 - Document Generation The intake information should automatically populate our existing document templates: * Appraisal Agreement * Letter of Authorization * Right to Appraisal Request (if applicable) Step 3 - Embedded DocuSign Signing We already have a DocuSign account. Requirements: * Use the DocuSign API * Use embedded signing directly within the website/application * Auto-populate templates with intake information * Obtain signatures on the Appraisal Agreement and Letter of Authorization * Return completed documents to the application Step 4 - Online Payment After signing is complete, the customer should pay online. Requirements: * Stripe integration preferred * Payment confirmation stored in the application * Failed payment handling * Receipt generation Step 5 - Claim Creation A claim should only be created in the production claim tracker after: * Required documents have been signed * Payment has been successfully received Once those conditions are met, the system should: * Create a new claim record in the existing application * Attach all intake information * Attach uploaded files * Attach signed PDFs * Set initial status to: "New Intake - Paid" Optional Lead Tracking Prior to payment, the system may maintain a temporary lead record for incomplete or abandoned submissions. These records should not appear as active claims in the production claim tracker. File Storage The system should: * Store uploaded files securely * Store signed PDFs * Associate all files with the claim record * Google Drive integration is preferred if practical with the existing application architecture Technical Requirements Experience with: * Existing application integrations * React * Node.js * Replit deployments * PostgreSQL or similar databases * DocuSign API * Embedded DocuSign signing * Stripe integration * Webhooks * Secure file uploads * Google Drive API * Mobile-responsive interfaces Deliverables * Customer intake portal * Document automation * DocuSign integration * Payment integration * Automatic claim creation * File upload and storage * Status automation * Documentation for future maintenance When applying, please provide examples of: * DocuSign API projects * Embedded signing implementations * Stripe integrations * Workflow automation projects * Applications integrated into existing systems rather than built from scratch The ideal developer understands API integrations, workflow automation, and extending an existing application without replacing current functionality. The ideal candidate is someone who's built: SaaS applications Customer portals Payment workflows E-signature integrations Not someone whose experience is primarily brochure websites or WordPress sites.

Important: Our website consists of JavaScript-rendered pages, and we are implementing Prerender.io to serve pre-rendered HTML versions to search engine crawlers for improved indexing and SEO performance. We are only interested in candidates who have direct, hands-on experience successfully installing and configuring Prerender.io in a production environment. Project Overview We operate a large content-driven website containing approximately 300,000 pages. We need an experienced developer to implement, configure, test, and optimize Prerender.io within our AWS infrastructure. Responsibilities Install and configure Prerender.io Configure crawler detection and prerendering rules Set up and optimize caching strategies Configure AWS infrastructure to support prerendering at scale Ensure proper indexing by Google, Bing, and other search engines Test and validate rendered output across page types Optimize performance and minimize rendering costs Document implementation and deployment processes Troubleshoot rendering and indexing issues Current Tech Stack Infrastructure AWS CloudFront Route 53 EC2 / ECS S3 CloudWatch Backend Node.js Express.js REST APIs Frontend React JavaScript / TypeScript Data MongoDB PostgreSQL Required Experience Must have previously installed and configured Prerender.io in production Strong AWS architecture and deployment experience Experience supporting large websites (100,000+ pages preferred) Technical SEO expertise related to JavaScript-rendered websites Experience with React and Node.js applications Knowledge of CloudFront caching and CDN optimization Strong troubleshooting and performance optimization skills To Apply Please provide: Details of your Prerender.io implementation experience Links or examples of websites where you implemented it Relevant AWS experience Your proposed implementation approach Estimated timeline and availability Applications without prior Prerender.io implementation experience will not be considered.

Overview We've built SpeakEasy (speakeasy.hrzenden.com), a SaaS HR case tracking and compliance management platform purpose-built for cannabis operators. The platform is live and actively being prepared for launch. We're looking for a reliable developer to grow with us long-term -- handling new features, improvements, and integrations as our client base grows. We're a small, fast-moving team. We don't need someone to rebuild anything -- we need someone who can come in, get oriented quickly, and execute cleanly. The Tech Stack Frontend: React 18 + Vite 5 (SPA, deployed on Netlify) Backend/Database: Supabase (Postgres, auth, row-level security, storage) Static pages: HTML/CSS/JS hosted on Netlify Version control: GitHub What's Already Built Full client portal: HR case management, compliance case tracking, written warnings and PIPs, anonymous employee reporting, role-based access, PDF export, file attachments Employee-facing anonymous reporting portal Static sales/marketing page with intake form Supabase schema with RLS policies, storage bucket, and all core tables What's Coming We have a growing list of features and improvements planned, including: Payment processing integration Automated account provisioning on signup Additional reporting and dashboard features UI/UX improvements as we learn from early clients Employee records module (longer term) We'll scope and prioritize together -- we're not looking for someone to just execute a ticket queue, but a developer who can think through problems with us. Ideal Candidate Strong React and modern JavaScript fundamentals Comfortable with Supabase (Postgres, RLS, auth, storage) Familiar with Netlify and Vite Available for regular, ongoing work (not just one-off projects) Proactive communicator -- asks questions early, flags issues before they become problems Interest in SaaS products and building something from the ground up Engagement We'd like to start with a small paid trial task to make sure it's a good fit on both sides, then move into a regular ongoing engagement. To Apply Please include: 2-3 examples of React + Supabase (or similar backend) projects Your hourly rate and typical availability per week What appeals to you about this type of project