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I need a seasoned full-stack developer who can dive straight into SynapseIQ’s codebase and raise the quality bar, starting with our document-processing pipeline. The stack is React + TypeScript on the front end and Node.js/Express with SQLite and the OpenAI API on the back. Everything sits behind a multi-tenant architecture with authentication, role-based permissions, semantic search and RAG already in place. First priority is a thorough review of the existing platform, then a concerted push to modernise document processing. I want noticeably higher data-extraction accuracy, faster throughput and support for additional file formats without breaking what’s already live. While doing so, keep an eye on AI/RAG optimisation, code cleanliness and production-readiness in general. Key deliverables I will use to sign off the work: • A concise code-review report highlighting current bottlenecks and proposed fixes. • Refactored document-processing modules that benchmark faster and extract entities more accurately across at least three new document types we define together. • Updated automated tests and performance metrics showing the gains. You’ll collaborate directly with me on GitHub, ship incremental PRs, and document any architectural decisions so they’re easy for the wider engineering team to maintain. If you thrive in TypeScript, love optimising AI workflows and enjoy making complex platforms production-ready, let’s talk.
Project ID: 40676612
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219 freelancers are bidding on average $33 USD/hour for this job

Hello, I’m Elias, a Miami-based senior software engineer with 20 years of experience. I specialize in full-stack development, particularly in AI model integration and workflow automation. I’ve reviewed your project on enhancing the SynapseIQ AI Knowledge Platform, and I understand your main goal is to refine the existing codebase for better functionality and user experience. I have built similar systems, focusing on secure architecture, responsive UI, and maintainability. My approach would involve the following phases: 1) Understand the existing codebase and technical requirements. 2) Identify areas for enhancement and design an improved architecture. 3) Implement core improvements and integrate AI models. 4) Conduct thorough testing to ensure quality and performance. 5) Deploy the updated platform and provide ongoing support. Could you please clarify the following questions to help me better understand the project? 1) What specific features do you find most critical for enhancement? 2) Are there any particular workflows or user roles that need special attention? 3) How do you envision the integration of new AI models impacting current processes? I’ve completed similar projects under NDA, so I can’t share links, but I’d be happy to discuss the architecture and technical decisions I made. Additionally, I can ensure a future-proof design that adapts to your evolving needs.
$50 USD in 10 days
8.2
8.2

Hi there, I can help raise SynapseIQ’s document-processing quality without destabilising the live multi-tenant platform. I bring over 20 years of software experience, including React/TypeScript front ends, Node.js/Express backends, database optimisation, and production AI integrations through LLM APIs. My first step would be a focused review of the existing pipeline, tenant and permission boundaries, parsing and normalisation flow, OpenAI usage, RAG handoffs, error handling, and test coverage. I would turn that into a concise report that distinguishes measurable bottlenecks from lower-priority cleanup. For the implementation, I would preserve the current architecture where it works, then refactor processing into clear, testable stages with format-specific adapters, consistent entity schemas, resilient retry and validation handling, and appropriate batching or concurrency. New document types can be added without coupling them to the existing formats. Accuracy and throughput would be measured against representative fixtures before and after each change, with regression tests protecting current behaviour. I am comfortable collaborating through incremental GitHub PRs and documenting decisions clearly for your team. I would be glad to review the repository and discuss the document types and success metrics you want to prioritise.
$25 USD in 35 days
7.8
7.8

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in Java, JavaScript, Node.js, AngularJS, AI Model Integration, AI Development, AI Quality Assurance, AI Workflow Automation and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$30 USD in 5 days
8.0
8.0

Hi, I can enhance the document-processing pipeline by conducting a thorough review of the existing codebase, focusing on improving data extraction accuracy and throughput. This involves refactoring the document-processing modules to support additional file formats while ensuring the current system remains stable. I will implement best practices in TypeScript and Node.js to optimize the AI/RAG workflows, ensuring the platform is production-ready. I will also create a detailed code-review report that highlights bottlenecks and proposed fixes, along with updated automated tests and performance metrics to demonstrate improvements. To get started, I will need access to the current codebase and any documentation regarding the existing architecture. Additionally, I would appreciate a list of the new document types we will be working on together. You can view my portfolio here: https://www.freelancer.com/u/techplusintl Thanks!
$40 USD in 40 days
7.8
7.8

SynapseIQ needs more than a parser update: the document pipeline must become faster, more accurate, easier to maintain, and safe for the existing multi-tenant production system. With 10+ years of full-stack experience and 249+ delivered projects, I can work directly in your React/TypeScript and Node.js/Express codebase and ship incremental GitHub PRs. I’ll begin by tracing ingestion, parsing, entity extraction, OpenAI calls, semantic indexing, and RAG retrieval, then produce a concise review covering bottlenecks, failure cases, tenant isolation, and production risks. I’ll establish baseline metrics before refactoring, introduce a clean format-adapter pipeline for the three agreed document types, and use schema validation, normalization, retries, batching, and controlled concurrency to improve accuracy and throughput without disrupting authentication, RBAC, or existing search. I’ll add automated unit, integration, regression, and performance tests, compare before/after extraction quality and processing time, and document architectural decisions in the repository. I can also identify practical improvements to prompting, chunking, embeddings, and retrieval quality while keeping the OpenAI workflow observable and cost-aware. Do you already have sample files and expected extracted entities for the three new document types? Muhammad Saad
$35 USD in 40 days
7.5
7.5

I see you're looking to enhance the document-processing pipeline for SynapseIQ, focusing on accuracy and throughput while maintaining your existing multi-tenant architecture. This is a crucial task, especially with those role-based permissions and the integration of the OpenAI API. So, from what you've described, you need a thorough review of the current system, followed by refactoring to support new document types and improve performance. I’ll start with a detailed code-review report to identify bottlenecks and suggest improvements, then I’ll refactor the document-processing modules to handle at least three new document types, ensuring they extract data more accurately and process faster. I’ll also go ahead and update the automated tests and performance metrics to reflect these enhancements. I’m ready to dive into the codebase and collaborate closely with you on GitHub, my rate for this project is 25 USD, and I’m committed to delivering quality work that meets your expectations. Let’s get started on this right away. Rajavel Full-Stack Developer | React | Node.js | AI Optimization
$25 USD in 10 days
7.4
7.4

⭐⭐⭐⭐⭐ Full-Stack Developer to Boost Document Processing Quality ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project needs and see you are looking for a full-stack developer to enhance SynapseIQ’s document-processing pipeline. You don't need to look any further; Zohaib is here to help you! My team has completed over 50 similar projects for full-stack development. I will thoroughly review your existing platform and modernize document processing while ensuring improved accuracy and speed. ➡️ Why Me? I can easily handle your project as I have 5 years of experience in full-stack development, focusing on React, TypeScript, Node.js, and Express. My expertise includes working with databases, API integration, and enhancing AI workflows. I also have a strong grip on optimizing code quality and ensuring production readiness. ➡️ Let's have a quick chat to discuss your project in detail. I can show you samples of my previous work and how I can add value to your project. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ React Development ✅ TypeScript Programming ✅ Node.js/Express ✅ SQLite Database ✅ API Integration ✅ Document Processing ✅ Code Review ✅ Performance Optimization ✅ AI Workflow Optimization ✅ Multi-Tenant Architecture ✅ Automated Testing ✅ Role-Based Permissions Waiting for your response! Best Regards, Zohaib
$30 USD in 40 days
7.7
7.7

Hi! This is something we can definitely handle — working inside an existing AI platform and pushing the quality of its document pipeline is exactly the kind of work we enjoy. Before I commit to a scope, the one thing I need to understand is the current state of the document-processing layer: is the extraction logic centralised in one module, or has it grown scattered across the codebase over time? The answer changes how we structure the review and how we sequence the refactoring — a clean module boundary means we can benchmark and swap things in isolation; a tangled one means the code review report needs to come first and drive everything else. On how we'd approach it: the review would map bottlenecks in the RAG pipeline and the extraction logic, then we'd prioritise the changes that give the most measurable lift with the least disruption to what's already live. For new document types, we'd define the three formats together before touching anything, so the acceptance criteria are locked before the first PR goes up. Tests and benchmarks ship alongside each change, not at the end, so you always have a clear before/after. The multi-tenant and auth layer, semantic search, and the React/TypeScript front end all look like solid ground to work around without risk. Happy to dig into the codebase and share first impressions once we've aligned on where to start. Gustavo & the DoTheCode team
$40 USD in 20 days
7.3
7.3

Your main risk here is not just improving extraction accuracy, but doing it inside a live multi-tenant RAG platform without introducing regressions in auth, permissions, or search behavior. I’d start with a structured review of the document pipeline, identify the real bottlenecks in parsing, chunking, extraction, and storage flow, then ship improvements in small PRs with measurable before/after metrics. I’ve worked on TypeScript/Node systems where AI workflows had to become faster, cleaner, and easier for the broader team to maintain, not just “work for now.” That includes reviewing existing architecture, tightening processing logic, improving test coverage, and making API-driven pipelines more production ready with clearer engineering decisions. To scope the first pass properly, I’d like to confirm a few things: - Which document types are already supported today, and which 3 new formats are highest priority? - Is the current extraction flow OCR-assisted anywhere, or fully text-based right now? - Do you already have benchmark samples and accuracy baselines, or should I help define those in the review phase?
$25 USD in 40 days
7.3
7.3

Hello, {{{ I HAVE 11+ YEARS OF EXPERIENCE BUILDING AND OPTIMISING AI PLATFORMS, DOCUMENT PROCESSING SYSTEMS, RAG PIPELINES AND FULL-STACK APPLICATIONS AND I CAN SHOW YOU RELEVANT WORK }}} I have carefully reviewed your SynapseIQ requirements and understand that the priority is to improve the existing platform without breaking its current multi-tenant architecture or live functionality. I have 11+ years of software development experience with strong expertise in React, TypeScript, Node.js, Express, OpenAI API, document processing, RAG, semantic search, REST APIs, databases and automated testing. I will first audit the existing codebase and document-processing pipeline, identify accuracy and performance bottlenecks, and provide a concise technical review with recommended fixes. Then I will refactor the processing modules, improve extraction accuracy and throughput, add support for the agreed document formats, optimise AI/RAG workflows and provide automated tests with clear before/after performance benchmarks. I will work through incremental GitHub PRs and document architectural decisions so the improvements remain clean, maintainable and production-ready. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. Thanks, Christina
$38 USD in 40 days
7.0
7.0

Hello, I’d be a strong fit to enhance SynapseIQ and make the platform more production-ready. I have hands-on experience with React/TypeScript, Node.js, OpenAI APIs, document processing, RAG, semantic search, and multi-tenant systems. I’ll start with a focused code review to identify bottlenecks and accuracy issues, then refactor the document pipeline for faster processing and better extraction across 3+ new formats. I’ll also improve tests, benchmark performance, optimise RAG workflows, and document architectural decisions. I’ll work through GitHub using incremental PRs while protecting the existing production functionality. Would you prefer a code audit first or audit + optimisation in parallel? Best, Niral
$25 USD in 40 days
7.0
7.0

Hello, I can help you with "Enhance SynapseIQ AI Knowledge Platform" as per your given set of instructions. Please get in touch to discuss more in detail and start with the initial discusssion. I usually work in small milestones, keep the code organized, and provide regular updates so changes are easy to review. Can you share a few more details? I'll suggest the best implementation and an accurate timeline. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$38 USD in 1 day
6.9
6.9

Hello!, I am a Florida-based senior software engineer, and this is exactly the kind of project where attention to detail makes the difference. SynapseIQ needs someone who can jump into the existing codebase quickly, identify what is slowing the platform down, and improve the AI knowledge flow without breaking what already works. My approach is simple and practical: 1) Review the current codebase, AI workflow, and data flow. 2) Fix the highest-impact issues first, whether that is AI response quality, workflow automation, frontend behavior, or backend stability. 3) Add QA checks so the platform is reliable, maintainable, and ready for real use. 4) Validate everything against the actual user experience, not just technical correctness. I’ve built production systems where AI integration, Node.js logic, and frontend behavior had to work together cleanly, so I’m very comfortable with Java, JavaScript, Node.js, AngularJS, AI model integration, and workflow automation. A few relevant examples of work: - internal AI knowledge dashboard for a logistics team - workflow automation platform for a B2B service company - support assistant with RAG-based document search - admin portal for a SaaS reporting tool Quick questions: 1) What is the main pain point right now: AI output quality, workflow automation, UI issues, or codebase instability? 2) Is SynapseIQ already connected to a specific LLM or knowledge source? 3) Should I focus first on bug fixes and QA, or on improving the AI
$50 USD in 7 days
6.6
6.6

Hi, We built a RAG document pipeline that parses PDF manuals into a knowledge base and answers domain queries through the OpenAI API, Express on the back, so entity extraction and chunking accuracy are familiar ground for me. AI Chatbot for University Portal: internal build, OpenAI API + Express RAG over PDFs On the document-processing push, the real lever for accuracy is usually the chunking and extraction layer, not the model. Before touching it, what are your three target file types, and how are you measuring extraction accuracy today? Without a baseline the benchmark PRs have nothing to prove gains against, so I'd start the code review by wiring up a metric harness. I ship small PRs and document each architectural call in the thread. Which module hurts most right now? Adil
$31 USD in 40 days
6.6
6.6

With over 8 years of experience in web and software development, I am not new to sophisticated projects like SynapseIQ's. I'm excited about the opportunity to work on a platform integrating React, TypeScript, Node.js/Express and AI technologies – a skill-set I am already proficient in. My clean-coding approach in JavaScript will be sure to raise the quality bar of your platform's document-processing pipeline. I understand the immediate need to modernise the platform for higher data-extraction accuracy, faster throughput, and support for additional file formats without disrupting existing functionalities. As a developer who has worked on projects from simple websites to complex software systems, I know the importance of maintaining reliability during an overhaul. Moreover, my experience working with GitHub and the emphasis I place on clear documentation for easy future maintenance aligns perfectly with your expectations. Given the chance, I'm eager to help you create a more efficient and productive SynapseIQ platform that benchmarks higher on speed, accuracy, and resilience.
$38 USD in 40 days
6.5
6.5

Hi — Badar Madni here. You need a quick, thorough review of SynapseIQ’s platform and a modernized document‑processing pipeline that extracts data more accurately, runs faster, and handles new file types without breaking existing features. The goal is higher accuracy, speed, and seamless expansion while keeping the current multi‑tenant, AI‑driven setup stable. A hidden challenge is that the document pipeline runs inside a multi‑tenant environment, so any change must respect authentication and role permissions to avoid cross‑tenant data leaks. I will first deliver a concise code‑review report that pinpoints bottlenecks and proposes fixes. Then I will refactor the processing modules, add support for three new document types, and provide updated automated tests and performance benchmarks. Delivery will be split into three milestones – review, refactor with tests, and final performance validation – so you see progress at each step. A couple of questions before I start: Q1 – Do you have a preferred list of the three new document formats you want to support first? Q2 – Are there any existing performance targets or SLA numbers for extraction speed and accuracy that I should aim to meet? I will work directly with you on GitHub, ship incremental PRs, and document every architectural decision to keep the wider team comfortable. My experience with TypeScript, AI workflows, and production‑ready code will get your platform to the next level quickly. Badar Madni
$38 USD in 40 days
6.6
6.6

Hi there, it sounds like you're looking to significantly enhance the document-processing capabilities of SynapseIQ while maintaining a seamless user experience. I have extensive experience with Node.js, TypeScript, and AWS, which will allow me to dive into your existing codebase and implement improvements effectively. I’ll provide a detailed code-review report, refactor document-processing modules, and ensure the new functionalities align with your performance and accuracy goals. I look forward to collaborating with you on GitHub to create a more robust solution. Your satisfaction is my priority and I guarantee that I will deliver you a high-quality result. Regards, Ali
$25 USD in 1 day
6.3
6.3

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 , Ubuntu , OpenAI , Desktop Applications. Web Development 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
$28 USD in 40 days
6.0
6.0

Hello, I am excited about the opportunity to enhance the SynapseIQ AI Knowledge Platform. With my expertise in full-stack development, particularly in React, TypeScript, Node.js, and AI integration, I am well-equipped to meet your project requirements. My portfolio includes successful projects in Java, JavaScript, and AI development, showcasing my ability to deliver high-quality solutions. My approach involves a structured review of the existing platform, followed by targeted improvements to the document-processing pipeline. By focusing on data-extraction accuracy, throughput optimization, and support for additional file formats, I aim to elevate the platform's performance while maintaining its current functionality. I am committed to delivering clean code, rigorous testing, and transparent milestones throughout the project. I am confident that my skills align with the objectives of enhancing the SynapseIQ platform. I am eager to discuss your priorities and goals further to ensure a successful collaboration. Please review my portfolio: ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐ and let's connect to finalize the project scope seamlessly. Best regards, Muhammad Anas Khan
$38 USD in 40 days
5.7
5.7

Hi, I'm Denis, a full-stack developer with experience modernizing backend pipelines and improving AI-driven document processing in Node.js/TypeScript stacks. Your focus on the document-processing pipeline makes sense—input quality and extraction accuracy directly impact RAG quality and user trust. I’d start by mapping the existing flow from file upload to semantic storage, identifying where chunking, embedding quality, or parsing logic slows things down or introduces noise. Then I’d refactor the modules to standardize input parsing, add format-specific handlers for the new document types, and tighten type safety in TypeScript to reduce runtime surprises. For the code review report, I’ll focus on bottlenecks like inefficient batching in the OpenAI API calls, redundant state management in React, and SQLite locking under load. The refactor will prioritize incremental PRs that preserve the multi-tenant auth layer while upgrading the document pipeline to handle more formats without regressions. Automated tests will expand to cover the new parsers and stress scenarios, with lightweight benchmarks verifying throughput gains. A risk worth watching is SQLite’s concurrency limits during heavy document ingestion. I’d address it by introducing a lightweight queue system in Node.js to serialize writes and avoid lock contention, while keeping the schema changes minimal. I can start working right away. Let's connect and discuss the details. Thanks, Denis.
$25 USD in 40 days
6.0
6.0

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