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We have an existing internal CRM used by our company to manage customers, leads, notes, and sales communication. The CRM includes an AI assistant that summarizes customer activity and generates suggested responses for our sales team. The AI functionality is already implemented, but it has recently become unreliable. Some requests fail, generated responses are inconsistent, and API/model errors are not handled correctly. We need an experienced Python/AI developer to review the existing integration and fix the current issues. The work includes reviewing the existing FastAPI endpoints and AI service, debugging the OpenAI/LangChain integration, correcting model response parsing and prompt handling, improving validation and exception handling, and ensuring API credentials/configuration are managed securely through environment variables. The existing CRM frontend, database structure, customer records, and normal CRM functionality should remain unchanged. The implementation should also keep the AI provider layer reasonably modular so Anthropic or a local Ollama model could be added later without redesigning the CRM. Expected deliverables: Working CRM AI summary feature Working AI suggested-reply feature Correct OpenAI API integration Improved prompt and response handling Timeout and API error handling Environment-based API configuration Basic testing of existing CRM workflows Changes pushed to our GitHub repository Short setup/configuration documentation
Project ID: 40613516
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A sales rep opens a customer's profile expecting an instant AI summary — and instead gets a spinning loader that eventually times out, so they scroll through weeks of notes manually instead. Every silent failure like that quietly erodes trust in a feature meant to save time, not cost it. I understood the brief: this isn't a rebuild, it's diagnosis and repair — tracing exactly where the OpenAI/LangChain integration is breaking, fixing prompt handling and response parsing, and wrapping the whole thing in proper error handling so failures degrade gracefully instead of silently. Here's how it unfolds: I'll start by reviewing your FastAPI endpoints and AI service code to trace where requests are failing—malformed prompts, unhandled API errors, or parsing issues in the response chain. I'll fix the OpenAI integration and prompt handling for consistency, add proper timeout and exception handling so failures surface clearly instead of hanging, and move API credentials fully into environment-based configuration. I'll structure the AI provider layer modularly so Anthropic or a local Ollama model can be swapped in later without touching the CRM's core. I'll close with basic workflow testing, push changes to your repo, and write short setup documentation. Want to share the current FastAPI/AI service code so I can trace the specific failure points before scoping the fix? Let's get your sales team an AI assistant they can actually rely on. — Christina
$80 USD in 1 day
1.9
1.9
151 freelancers are bidding on average $140 USD for this job

I will review and improve the existing FastAPI endpoints and AI service in your CRM, focusing on debugging the OpenAI/LangChain integration, enhancing response parsing, and refining prompt handling for better reliability. I will also strengthen validation, exception handling, and API credential security, ensuring consistent and stable responses. The AI provider layer will be designed for modularity to allow seamless integration with Anthropic or other models without major CRM redesign. By enhancing the AI summary feature, suggested-reply capability, and OpenAI API integration, user experience and performance reliability will be significantly improved. I will implement timeout and API error handling, secure API configurations, conduct basic testing, and provide detailed setup documentation for smooth onboarding and maintenance. With expertise in AI development, Python, and system reliability, I aim to optimize your CRM AI functionalities for long-term success.
$225 USD in 5 days
8.8
8.8

Hi there, I’ve reviewed your CRM AI Assistant Optimization project and understand the need to enhance AI-driven summarization and response suggestions within your internal system. I’ll focus on improving the assistant’s accuracy and performance by refining the prompt engineering, optimizing the OpenAI integration with FastAPI for low-latency responses, and ensuring seamless data flow from MySQL to the AI layer. I'll audit the current architecture to identify bottlenecks, then implement improvements such as context-aware summarization using retrieval-augmented generation (RAG), dynamic response personalization based on customer history, and real-time updates via API hooks. The solution will be modular, maintainable, and scalable—built with Python and FastAPI for backend efficiency, while preserving compatibility with your existing PHP frontend. All changes will include proper logging, error handling, and clear documentation for future maintenance. I’ll deliver a fully tested version within 7 days. Best Regards, Khorshed Alam, RS Software
$155 USD in 6 days
9.5
9.5

Hi, I reviewed the CRM AI Assistant Optimization request: fix unreliable OpenAI/LangChain integration in the FastAPI endpoints for summaries and suggested replies, without changing existing CRM, database, or frontend. I’ll debug the API/model errors, improve prompt handling and response parsing, strengthen validation and exception handling, and add solid timeout controls. I’ll also keep the provider layer modular so OpenAI can be swapped with Anthropic or a local Ollama model later, while maintaining clean Software Architecture across services. I’ll ensure consistent, correct outputs with secure environment-variable credentials and basic workflow tests, then push changes to GitHub. Let’s discuss here now.
$150 USD in 7 days
8.4
8.4

Interesting project, I will debug your FastAPI endpoints and OpenAI/LangChain integration so the AI summary and suggested reply features return consistent, reliable results again. On a similar fix, restructuring prompt templates and adding proper response parsing eliminated most intermittent failures. I will apply the same approach here. Questions: 1) Are the failures tied to specific endpoints (summary vs. reply) or both equally? 2) Is the codebase using LangChain's older syntax or the newer LCEL pattern? Share repo access and I will identify the root issues today. Looking forward to potentially working together. Thanks, Kamran
$90 USD in 5 days
8.6
8.6

Your CRM AI assistant needs a focused reliability pass without changing the existing frontend, database structure, customer records, or normal CRM workflows. I’ll review the FastAPI endpoints and AI service, reproduce failures in both customer activity summaries and suggested replies, then correct the OpenAI/LangChain integration, prompt construction, response parsing, and validation. I’ll add clear timeout handling, provider/API error handling, safe fallback responses, and logging that avoids exposing sensitive data. OpenAI credentials and model settings will be moved or verified through environment variables. I’ll also keep the AI layer behind a small provider interface so Anthropic or a local Ollama model can be introduced later without redesigning the CRM. After the fixes, I’ll test the existing CRM workflows and AI edge cases, push the changes to GitHub, and provide concise setup/configuration documentation. I have 10+ years of full-stack experience and extensive Python, FastAPI, OpenAI, LangChain, API integration, and testing experience across 249+ delivered projects. I can start immediately and complete this in 3 days. Is the current OpenAI model and LangChain version fixed, or may I update them if the existing versions are causing the failures? Muhammad Saad
$100 USD in 3 days
7.8
7.8

Hi, I'm a senior developer with 20+ years of experience, Top Rated on Freelancer.com with 1,500+ completed projects and a 5-star record, and I've built and optimized AI integrations for CRMs before. I'll review your FastAPI endpoints and OpenAI/LangChain integration, fix response parsing and prompt handling, add robust error handling for API timeouts and failures, and ensure secure credential management through environment variables. I'll keep the provider layer modular so switching to Anthropic or Ollama later requires minimal changes. The CRM database and frontend will remain untouched, and I'll validate the AI features with your existing workflows before pushing changes to GitHub and providing basic setup notes. I can start immediately.
$100 USD in 2 days
7.9
7.9

Hi, I checked your "CRM AI Assistant Optimization" project and it looks like understanding the existing workflow will be important before making any changes. I've worked on similar PHP projects involving php, python, software architecture, mysql, api integration, fastapi, openai, ai chatbot development, ai development, ai integration and prefer delivering work in small milestones so everything stays easy to review and adjust if needed. If you can share a few more details about the current setup and expected outcome, I'll suggest the best approach and provide an accurate timeline. ⭐ 5.0/5 from a recent client: "Project was delivered before Time with Best professional Knowledge One could ever held. Thanks for the support" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$150 USD in 3 days
7.7
7.7

Hi, I’ve reviewed your CRM AI assistant optimization scope carefully, and this is exactly the kind of Python-based integration debugging I can help stabilize quickly. I can audit the existing FastAPI endpoints, trace OpenAI and LangChain request flow, fix response parsing and prompt handling, and tighten validation, timeout, and exception handling without disturbing your CRM frontend, database, or core workflows. I’ve worked on backend integrations where reliability, modular provider design, and secure environment-based configuration matter. I’ll keep the AI layer clean so OpenAI works correctly now while making future Anthropic or Ollama support easier to extend. I can also test the existing CRM workflows, push clean changes to GitHub, and provide short setup notes for handoff. I can begin by reviewing the current service structure and error paths, then deliver fixes and validation updates within 5 days. Would you like the provider layer abstracted now so OpenAI, Anthropic, and Ollama can swap gracefully? Best regards, KANIKA
$250 USD in 5 days
6.9
6.9

I can help optimize your CRM's AI assistant by diagnosing the current issues and implementing reliable solutions. My focus will be on enhancing the AI functionality while ensuring the core CRM features remain intact. I understand that you are looking for a Python/AI developer to review FastAPI endpoints and debug the OpenAI/LangChain integration. Addressing response inconsistencies and improving error handling are critical steps. With extensive experience in Python and AI solutions, I have 20+ 5-star reviews on similar projects! My skills in API development and troubleshooting will ensure a smooth and efficient process for your team. Regards, InterconnectBPO
$150 USD in 7 days
6.8
6.8

Hi. To stabilize your CRM AI assistant, I’ll trace the FastAPI routes, OpenAI/LangChain flow, and response parsing to isolate where failures and inconsistent outputs begin. I’ll harden prompt formatting, schema validation, timeout handling, and exception paths so summary and reply generation stay reliable under real CRM usage. I’ll also keep the AI provider layer modular, so Anthropic or Ollama can plug in later without touching the CRM core. As a Senior AI Engineer, I have mastered Python, FastAPI, OpenAI API integration, LangChain, and have strong experience in CRM automation, LLM debugging, and production error handling. I am sure I can deliver high-quality results within a short timeline for a focused codebase. Let’s get in touch and discuss more. Thanks.
$180 USD in 8 days
6.6
6.6

Hi there, I see you're facing issues with the reliability of your CRM's AI assistant. I can help you by reviewing your existing FastAPI endpoints and the OpenAI integration to ensure everything is functional and consistent. My experience as a full-stack developer, particularly with Python and API integrations, positions me well to debug and enhance your AI service for better performance and reliability. Your satisfaction is my top priority, and I guarantee that I will deliver you a high-quality result. Regards, Ali
$30 USD in 1 day
6.3
6.3

Hello, I work with Python CRM integrations where FastAPI endpoints connect sales tools to AI features. Your issue needs careful review of OpenAI and LangChain calls, prompt handling, response parsing, and Software Architecture around the provider layer. I will fix the failing AI summary and suggested-reply flows, add timeout and API error handling, and move credentials into environment-based configuration. I will keep the CRM frontend and data unchanged while improving AI Chatbot Development paths so Anthropic or Ollama can be added later, then push clean changes to GitHub with short setup notes. Best regards, Teo
$200 USD in 2 days
6.5
6.5

Hello Sir/MAM I am a Skilled Full Stack Developer. Having rich experience in Java , C++ , C , C# , Python , Eclipse , Sql , Mysql , .Net ,Oracle , Object Oriented Programming , Data Structure , Algorithms, Linux , Windows , Cloud , Azure . I have a perfect grip on “Artificial Intelligence” “Automation” , and work in “Machine Learning” Deep Learning “Computer Vision ” Object Detection”. My track record as demonstrated in my 100% job completion and 5-star review rating showcases My ability to deliver exceptional results on time and with utmost quality I believe that my skill set makes me the ideal candidate for this project Please come on chat we will discuss more about this I will be waiting for your reply . Thanks and Best Regards
$40 USD in 1 day
6.4
6.4

Hi, we have strong experience with Python, FastAPI, OpenAI, LangChain, and AI-powered CRM integrations. We'll review your existing implementation, identify the root cause of the failures, and restore reliable AI summaries and suggested replies without affecting your CRM's existing functionality or database structure. Our team will improve prompt handling, response parsing, timeout management, exception handling, and secure environment-based configuration while keeping the AI provider layer modular for future support of Anthropic or Ollama. We'll deliver clean, maintainable code, thoroughly test the updated workflows, and push all changes to your GitHub repository. I'd be happy to review your current codebase and provide a realistic timeline after the initial assessment. Which OpenAI model and LangChain version are you currently using, and can you share the specific errors or logs you're seeing?
$140 USD in 7 days
6.4
6.4

Hi, I can fix the reliability issues in your AI assistant by making sure the FastAPI integration handles errors properly and responses stay consistent. I recently rebuilt a similar internal tool with FastAPI and OpenAI where we had to deal with flaky API responses and prompt drift—ended up rewriting the error handling and response parsing to make it stable. I'd approach this using FastAPI with structured error handling and a modular provider layer because it keeps debugging simple while allowing easy swaps between AI models. The biggest improvement will come from isolating the AI logic from the CRM core so changes don’t break anything else. I’ll push small, tested changes directly to your GitHub and document the setup so you can verify everything before deploying. This should make the AI assistant reliable again and avoid future flakiness when scaling or switching models. If this sounds right, I can start right now. Thanks, Denis
$150 USD in 3 days
6.1
6.1

Hello, Is the current CRM primarily built with Python for the backend? And are there existing unit tests for the AI features? Fantastic project enhancing your CRM's AI. I’ll streamline the integration, focusing on robustness in handling errors and exceptions. We’ll keep things modular for future model expansions and ensure security with environment-based configurations. I'll send examples of my previous work in chat. Let’s dive into the specifics and timelines in a quick chat. Looking forward to resolving these challenges together smoothly. Excited to hear back from you!
$250 USD in 5 days
5.8
5.8

Hi there, Debugging and stabilizing your FastAPI and OpenAI/LangChain CRM integration is straightforward. Primary focus centers on refactoring the existing AI service layer to resolve API timeouts, fixing response parsing, and introducing structured Pydantic schemas for consistent JSON outputs. Isolating the LLM client logic into an abstracted adapter pattern ensures seamless future swap-outs to Anthropic or Ollama without touching core CRM endpoints. All API key handling will be secured via environment variables, with full exception handling and clean commits pushed to your GitHub repository. Is your current LangChain setup using output parsers or raw JSON mode, and are the failing endpoints hitting API timeouts or schema parsing exceptions?
$40 USD in 1 day
5.9
5.9

Hello, I will review the existing integration and fix the current issues. Message me to discuss more details about the project. I am looking forward to working with you, Fahad.
$110 USD in 1 day
5.7
5.7

Before changing code, do you already have logs showing whether the failures are mostly timeouts, rate limits, bad model payloads, or LangChain parsing errors? I'd start there, because the fix is different depending on whether requests are dying before the provider returns, returning malformed content, or succeeding but being parsed too loosely. I'd trace the FastAPI assistant endpoints end to end, add proper timeout boundaries, catch provider and model errors cleanly, and make the response contract stricter so customer summaries and suggested replies don't drift between shapes. After that I'd move keys, model names, timeouts, retry limits, and provider choice into env config, then put a thin provider interface behind the current OpenAI/LangChain code so Anthropic or Ollama can be added without touching the CRM routes again. M1: Failure audit and hardening pass, $140, 2 days. This covers reproducing failing requests, mapping the error paths, adding timeout and exception handling, and cleaning up config into env variables. M2: Provider refactor and output stability, $210, 3 days. This covers prompt/parser cleanup, a provider abstraction for OpenAI now and Anthropic/Ollama later, plus basic tests or documented checks around the main assistant flows. $350 is my working price from the brief. The thing that could move it is how tangled the current LangChain layer is with the CRM business logic. Are the assistant responses currently expected to follow a fixed JSON shape, or are they free text stored directly in the CRM?
$350 USD in 5 days
5.6
5.6

Hello there. I hope you are donig well. I have extensive experience optimizing AI integrations and fixing issues within CRM systems. My background in Python and FastAPI equips me with the skills necessary to enhance your CRM's AI assistant, ensuring reliable performance and seamless user experience. I have successfully tackled similar challenges where AI functionality needed refinement to meet business needs. I understand that your current AI assistant is facing reliability issues, affecting customer interactions. I will conduct a thorough review of the FastAPI endpoints and the OpenAI/LangChain integration to identify and resolve faults. My approach will include debugging, improving error handling, and ensuring secure API configurations to restore functionality and enhance performance. I will deliver a high-quality and robust solution that revitalizes your CRM AI features. My focus will be on effective response handling, thorough testing of workflows, and clear documentation for future maintenance. With my commitment to excellence, I will ensure the AI assistant performs consistently, adding significant value to your sales team. Please feel free to reach out to me. I look forward to working with you. Best regards, Billy Bryan
$118 USD in 3 days
5.4
5.4

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