
Awarded
Posted
Paid on delivery
We're building an AI writing assistant for students, think Jenni AI + Paperpal. The core pipeline works, but we need a backend/AI specialist to improve accuracy, optimize performance, and prepare it for scale before public launch. ------------------------------------------------------------------------------------------------------------------------------------ Tech Stack: Backend: FastAPI + async SQLAlchemy 2.0, Python codebase Data Layer: PostgreSQL, Redis, MinIO/S3 AI Infrastructure: LiteLLM gateway (multi-LLM routing), RAG pipelines ------------------------------------------------------------------------------------------------------------------------------------ What You'll Do: 1-Audit and integrate new evidence sources: Map the gaps in OpenAlex coverage, evaluate 2-3 alternative academic databases, and integrate at least one new source into the retrieval pipeline 2-Build hallucination detection: Implement citation requirement logic so every claim must be traceable to a retrieved document. Add a rejection gate that flags unsupported statements before generation completes. Test and measure citation coverage improvement 3-Fix tone/style drift: Build a coherence checker that scans new paragraphs against the document's existing sections for voice, argument structure, and terminology consistency. Flag mismatches for revision 4-Speed up streaming: Profile the current pipeline for bottlenecks, reduce LLM latency (optimize batching, caching, routing), and improve streaming UI responsiveness. Target: faster first-token output 5-Improve evidence ranking: Refine RAG retrieval scoring so the top results are actually the most relevant. Test reranking models or implement custom scoring logic Strengthen quality gates: Add checks in the evaluation framework to catch: missing citations, tone inconsistency, unsupported claims. Adjust thresholds and trigger auto-revision appropriately And more will be discussed in DM ------------------------------------------------------------------------------------------------------------------------------------ You Need: Production LLM pipeline experience (shipped, not experimental) 1- RAG architecture expertise 2-Python, FastAPI, PostgreSQL, Redis 3-Work with LLMs as infrastructure (APIs) 4-Concrete metrics from previous work (latency, relevance, cost improvements) 5-Know what's possible with existing LLM APIs vs. custom engineering 6-Portfolio: Share GitHub profile\ repo, previous project links, or case study showing your work. We need to see real code ------------------------------------------------------------------------------------------------------------------------------------ Nice to Have: LiteLLM or multi-provider LLM routing Vector database tuning Academic/research writing tools experience (Jenni, Paperpal, similar) EdTech background FastAPI at scale
Project ID: 40407856
157 proposals
Remote project
Active 9 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
157 freelancers are bidding on average $508 USD for this job

⭐⭐⭐⭐⭐ Enhance AI Writing Assistant for Students with Backend Expertise ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project needs and see you are looking for a backend/AI specialist for your writing assistant. You don’t need to look any further; Zohaib is here to help you! My team has successfully handled 50+ similar projects for AI writing tools. I’ll focus on improving accuracy, optimizing performance, and preparing for scale using the best methods within your budget. ➡️ Why Me? I can easily improve your AI writing assistant as I have 5 years of experience in backend development and AI systems. My skills include Python, FastAPI, PostgreSQL, and Redis. I also have a strong grip on RAG architecture and LLMs, ensuring a solid approach to your project. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I look forward to discussing this with you! ➡️ Skills & Experience: ✅ Python ✅ FastAPI ✅ SQLAlchemy ✅ PostgreSQL ✅ Redis ✅ LLM Infrastructure ✅ RAG Architecture ✅ API Development ✅ Performance Optimization ✅ Data Integration ✅ Evidence Ranking ✅ Coherence Checking Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
7.9
7.9

Hi, This is Elias from Miami. I checked your project description and understand you’re looking to optimize an AI-driven writing assistant aimed at students, similar to Jenni AI and Paperpal. The focus will be on building a robust core pipeline for effective academic writing support. I’ve worked on similar AI integration projects and understand the key technical challenges involved. My approach will involve leveraging Python with FastAPI for the backend, PostgreSQL for data storage, and Redis for caching to ensure optimal performance. I have a few questions to get a better understanding: Q1 – What specific features do you want to prioritize in the writing assistant? Q2 – Are there any existing systems or APIs you wish to integrate with this project? Q3 – How do you envision user authentication and data security for the application? I’d be happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$500 USD in 5 days
7.0
7.0

✅ Lovable AI Expert | AI Development | Game Development ✅ Hi, Thank you for considering this opportunity! I bring extensive experience in implementing custom solutions powered by LLMs, conversational AI, and intelligent automation. Recently I have been working on Lovable AI for developing a gaming platform using it, complete with chat-based agent logic, expressive front-ends, and backend integrations. See here : In other project, implemented a fully automated AI agent system for intelligent meeting creation using ElevenLabs Conversational AI and Gemini (via a custom agent brain). The flow integrates voice interaction, natural language processing, location precision, and frontend. Whether you're building an internal assistant, a public-facing voice agent, or an integrated AI productivity tool, I can help bring your vision to life with robust, scalable architecture and a human-like user experience. I would love to connect and explore how we can contribute to your AI initiative. Regards Ranjana
$500 USD in 15 days
6.8
6.8

I HAVE BUILT PRODUCTION-GRADE RAG SYSTEMS WITH HALLUCINATION CONTROL, MULTI-LLM ROUTING, AND SIGNIFICANT LATENCY OPTIMIZATION. I can help refine your AI writing assistant into a scalable, high-accuracy system ready for public launch. Approach: • Deep audit of current RAG pipeline and evidence gaps • Integrate new academic data sources beyond OpenAlex • Implement strict citation enforcement + hallucination rejection layer • Build tone/coherence checker for consistent academic writing • Optimize latency (caching, batching, routing via LiteLLM) • Improve retrieval ranking with reranking models/custom scoring Core Enhancements: • Evidence-backed generation (every claim traceable) • Real-time validation gates (citations, tone, accuracy) • Faster streaming (reduced first-token latency) • Better relevance via improved retrieval + reranking User Roles: • Admin: Monitor metrics, tune thresholds, manage sources • System: Automated retrieval, validation, generation pipeline • End User: High-quality, consistent AI writing output Tech Stack Alignment: • FastAPI, async SQLAlchemy, PostgreSQL, Redis • LiteLLM multi-provider routing • RAG pipelines with vector optimization Timeline: 2–4 weeks (phase-based) Includes 2 YEARS FREE support post-delivery. Ready to collaborate and improve your system at production scale.
$500 USD in 7 days
6.9
6.9

Hey, I will audit your RAG pipeline, implement the hallucination detection gate, build the coherence checker, and optimize streaming latency — all within your FastAPI + LiteLLM stack. For the citation rejection gate, I will run each generated claim through a retrieval-verification pass that scores semantic similarity against the source document chunk. Claims below threshold get flagged before streaming to the client — this catches unsupported statements without adding noticeable latency if you batch verification alongside token generation. Questions: 1) Which vector store backs your RAG retrieval — pgvector, Qdrant, or something else? 2) What is your current first-token latency, and do you have tracing set up to isolate where time is spent? Looking forward to discussing further. Best regards, Kamran
$285 USD in 10 days
6.2
6.2

Hello, I understand you’re building a robust AI writing assistant for students and need a backend/AI specialist to tighten accuracy, speed, and scale before launch. My approach is pragmatic and hands-on: audit the current flow, integrate at least one new evidence source beyond OpenAlex, and set up strong guards so every claim can be traced to a retrieved document. I’ll optimize the RAG pipeline with smart routing, batch processing, and caching to shave latency on streaming output, and implement a coherence checker to keep tone and structure consistent across sections. I’ll build clear evaluation gates for missing citations, tone drift, and unsupported claims, so auto-revisions trigger when needed. I’ll profile and tune the stack (FastAPI, async SQLAlchemy 2.0, PostgreSQL, Redis, MinIO/S3) and align the model interactions with LiteLLM or other providers to balance quality and cost. The result is a scalable backend that delivers fast, accurate, and well-supported writing guidance. What I’ll deliver: - Audited integration of 1-2 new sources into the retrieval pipeline and improved citation coverage - Hallucination detection with a traceable citation gate before generation - A coherence checker that flags voice and terminology drift - Faster streaming with optimized batching, caching, and routing - Refined evidence ranking and a solid quality gate framework What 1–2 external academic sources would you most like to see integrated first, and what success metrics do you prioritiz
$750 USD in 12 days
6.1
6.1

Hi, I have 9 years experience in Python, FastAPI, PostgreSQL, Redis, and LLM/RAG integration, with strong hands-on work improving production AI pipelines rather than just prototypes. For this project, I’ll audit the current RAG flow, improve evidence ranking and citation coverage, add hallucination and tone-consistency checks, and optimize streaming latency through better caching, routing, and pipeline profiling. You can expect clear communication, fast turnaround, and a high-quality result. Best regards, Juan
$500 USD in 3 days
5.8
5.8

Hi there, I can start with a free technical audit of your current RAG/LLM pipeline and identify the highest-impact fixes for citation accuracy, latency, and retrieval quality before implementation. Your stack fits my backend/AI focus: Python, FastAPI, PostgreSQL, Redis, LLM APIs, and RAG workflows. I can help improve hallucination control by enforcing claim-to-source validation, adding rejection gates for unsupported statements, and strengthening your evaluation checks around missing citations, tone drift, and evidence quality. For performance, I would profile the streaming pipeline, optimize routing/caching/batching where possible, and improve first-token latency without breaking output quality. I can also refine retrieval scoring/reranking so the model receives stronger evidence before generation. As an added value, I’ll provide a short technical handover note covering changes made, metrics to monitor, and next optimization priorities for launch readiness. Regards, Sohail Jamil
$250 USD in 1 day
5.9
5.9

Hello, I can help you stabilize and optimize this AI writing assistant into a production-ready LLM pipeline with strong retrieval accuracy, citation reliability, and low-latency performance. My focus would be on turning your current system into a controlled, measurable RAG infrastructure rather than a loosely generated text system. On the retrieval side, I would audit OpenAlex coverage gaps and integrate additional academic sources with proper normalization, then improve ranking using hybrid scoring (semantic + metadata + recency weighting). This would ensure top-k retrieval is genuinely aligned with academic relevance rather than embedding similarity alone. For hallucination control, I would implement a strict evidence-gated generation pipeline where every claim is bound to retrieved context, with a pre-generation validation layer that blocks unsupported statements. Alongside this, a citation coverage metric system will quantify grounding quality per response. To address consistency and performance, I would build a lightweight coherence validator that checks tone, terminology, and argument flow across document sections, plus optimize streaming via caching, batching, and LiteLLM routing to reduce first-token latency and overall cost per request. Thanks, Asif
$750 USD in 10 days
5.4
5.4

Hello, I can optimize your AI writing assistant backend and prepare it for reliable production scale. I have hands on experience building and improving RAG based LLM systems with measurable gains in latency relevance and cost. I can audit your current pipeline and integrate stronger academic data sources beyond OpenAlex for better coverage. I will implement strict citation grounding with hallucination detection and rejection gates before output. I can build a coherence checker to fix tone and structure drift across generated content. I will profile and optimize your FastAPI pipeline to improve first token latency streaming speed and caching efficiency. I can refine retrieval and reranking to ensure the most relevant evidence is used consistently. Quality gates will be strengthened to catch missing citations unsupported claims and inconsistencies automatically. Comfortable with LiteLLM routing PostgreSQL Redis and async architectures at scale. I can share relevant project work and metrics on request and start immediately.
$500 USD in 15 days
4.9
4.9

Hello, I will improve the accuracy, optimize the performance, and prepare your AI writing assistant for scale before public launch. I delivered a similar project last week with a 5-star review and would love to show that in private. Message me and let's talk more about your project and I will share my approach today. Cheers, Fahad.
$250 USD in 2 days
5.2
5.2

OpenAlex gaps are often the real blocker for accuracy — good retrieval beats clever prompting. Most hallucinations come from unverified claims slipping past the retrieval layer; the fix is a strict claim→document gate and a fast reranker, not just bigger prompts. I'd map OpenAlex coverage, test 2–3 sources (Crossref, Semantic Scholar, CORE), ingest one into your vector store with embeddings and metadata in MinIO/Postgres. Implement a citation requirement that ties each declarative sentence to top-k retrieved snippets, verify with a lightweight cross-encoder reranker (MiniLM cross-encoder) and reject low-score claims before streaming finishes. Add a coherence checker using paragraph embeddings (sentence-transformers) for tone/terminology drift. Profile FastAPI+LiteLLM routing, add batching, Redis caching for embeddings, and tweak routing for faster first-token latency. Quick question: do you already have embeddings for OpenAlex in your vector DB or should I plan to build them from raw records? I can share GitHub samples and measured latency/relevance metrics on request.
$500 USD in 7 days
4.8
4.8

✋ Hi there. I can optimize your AI academic writing assistant by integrating new evidence sources, building hallucination detection, and improving RAG retrieval and streaming speed. ✔️ I have built two RAG pipelines for research writing tools before, each one with citation enforcement, tone consistency checks, and multi‑LLM routing via LiteLLM. ✔️ I will audit OpenAlex gaps and integrate a second academic source, add a claim‑to‑citation rejection gate, build a coherence checker for tone drift, profile and reduce LLM latency, then refine relevance scoring with reranking. Let’s chat so you can share your current repo or API endpoint and a sample document with citation failures. Mykhaylo
$500 USD in 7 days
5.0
5.0

Hello, I see you’re aiming to make your AI writing assistant production-ready by tightening accuracy, lowering latency, and improving evidence reliability across a FastAPI, async SQLAlchemy, and LiteLLM-based stack. I’ve shipped similar pipelines where I reduced retrieval latency by 38% and built document-traceable citation gates that cut hallucinated claims by over half. The deeper challenge here isn’t just adding sources or tuning RAG, it’s ensuring the entire pipeline enforces evidence discipline while keeping first-token latency competitive. The interplay between routing, caching, and retrieval scoring is often where performance quietly degrades. I’ll audit your OpenAlex coverage, integrate a secondary academic source, add hard citation-verification logic, and implement tone/voice coherence checks aligned with your existing sections. I’ll also profile the full streaming path, optimize LiteLLM routing, and refine reranking scoring so top-ranked evidence reliably supports generation. Before starting, I’d confirm your current retrieval embedding model, the caching strategy around Redis, and how strictly you want unsupported statements to block generation. I can deliver a clean, measurable upgrade path. Best regards, John allen.
$500 USD in 7 days
4.6
4.6

Hello, You’re not just trying to “add AI features” here, you’re trying to launch an academic assistant that students can trust when citations, tone, latency, and evidence quality all have to hold up under real usage. I’ve worked on production Python/FastAPI backends, LLM API integrations, RAG pipelines, PostgreSQL/Redis performance tuning, and quality-gated AI workflows where unsupported output, retrieval noise, and slow first-token response directly affect product trust. For your stack, I’d start with a focused audit of the current retrieval and generation path: OpenAlex coverage gaps, RAG ranking quality, LiteLLM routing/caching behavior, Redis usage, and async SQLAlchemy bottlenecks. Then I’d implement measurable improvements: citation traceability gates, unsupported-claim rejection before completion, coherence checks against existing document sections, reranking/custom scoring, and latency profiling to improve first-token streaming without weakening output quality. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Which part is currently causing the biggest launch risk: citation accuracy, retrieval relevance, tone consistency, or first-token streaming latency? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad
$250 USD in 10 days
4.5
4.5

Interesting project, I will audit your FastAPI RAG pipeline, improve evidence ranking, add hallucination and citation coverage gates, reduce first-token latency, and strengthen quality checks for tone drift, missing citations, and unsupported claims before launch. For citation control, I will add a traceability layer that links each generated claim to retrieved evidence, then rejects or revises output when confidence or source coverage drops below the set threshold. Questions: What vector store or retrieval stack is currently used? Do you already have eval datasets for citation accuracy and ranking quality? Which LLM providers are routed through LiteLLM today? Let's discuss via chat. Best regards, Faizan
$390 USD in 7 days
4.4
4.4

hi, i have reviewed your project and i can do this. i have experience with fastapi, rag pipelines, and llm integrations, including improving retrieval accuracy, reducing hallucinations, and optimizing performance. i can review your system, add better evidence ranking, implement citation checks, and improve speed and consistency so the product is ready for scale. let’s have a quick meeting so we can go through your pipeline and start improving it. mughiraa
$500 USD in 7 days
4.2
4.2

Hi, this is Kris from McKinney, Texas, I've reviewed your project requirements and understand that you are looking for a backend/AI specialist to optimize the performance of your AI writing assistant for students. The key challenges include improving accuracy, enhancing performance, and preparing the system for scalability before its public launch. My approach to completing this project would involve auditing and integrating new evidence sources, building hallucination detection for citation requirements, fixing tone/style drift with a coherence checker, speeding up streaming by optimizing the pipeline, improving evidence ranking, and strengthening quality gates. A few additional questions: Q1: Have you already identified potential alternative academic databases for integration? Q2: What are the current latency and relevance metrics that you aim to improve? Q3: Are there specific customization requirements for the RAG retrieval scoring that you have in mind? Best regards, Kris Kramer
$250 USD in 1 day
4.7
4.7

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have worked on AI-driven writing assistants integrating RAG architectures to improve content accuracy and relevance, resulting in smooth, reliable outputs for academic and professional use. From my experience, the key to success is optimizing the LLM pipeline by improving retrieval accuracy and reducing latency without compromising on quality. ⭕Approach: - Audit current evidence sources and seamlessly integrate new academic databases for broader coverage - Develop hallucination detection with strict citation gates to ensure trusted claims - Implement style and coherence checks to maintain consistent tone - Profile and optimize pipeline bottlenecks to accelerate response times - Enhance evidence ranking to prioritize the most relevant documents - Reinforce quality gates with auto-revision triggers for error handling ❓Could you clarify which alternative academic databases you prefer for integration? I am confident my expertise with FastAPI, multi-LLM routing, and scalable AI systems will deliver a robust, accurate, and scalable writing assistant ready for public launch. Looking forward to contributing to your project. Best regards, Nam
$550 USD in 5 days
3.9
3.9

Dear Sir, I am thrilled to bid your project. My approach would start with a full audit of your current retrieval + generation pipeline to identify gaps in evidence coverage, citation alignment, and latency bottlenecks, followed by incremental improvements rather than risky rewrites. For hallucination control, I would implement a strict evidence-first generation flow where every claim is validated against retrieved context, combined with a rejection or rewrite gate when citations are missing or weak. To improve tone consistency, I would build a lightweight coherence checker that compares new outputs against existing document embeddings and writing style signals to reduce drift across sections. For performance, I would profile the full request lifecycle, then optimize LLM routing via LiteLLM, introduce caching layers in Redis, and refine batching to reduce first-token latency. For retrieval quality, I would enhance ranking using hybrid scoring (vector + metadata + reranking models) to ensure the most relevant academic sources surface consistently. I have worked on similar LLM infrastructure systems where focus was on cost reduction, latency improvements, and retrieval accuracy in production environments. One key question: do you want the system to prioritize strict “no citation = no output” enforcement, or allow fallback generation with flagged confidence when retrieval confidence is low? Sincerely, Adison.
$500 USD in 7 days
3.6
3.6

Jeddah, Saudi Arabia
Payment method verified
Member since Jun 13, 2016
$10-30 USD
$750-1500 USD
$25 USD
$30-250 USD
$10-30 USD
₹600-1500 INR
₹750-1250 INR / hour
₹12500-37500 INR
$30-250 USD
₹12500-37500 INR
$8-15 USD / hour
min ₹2500 INR / hour
$15-25 USD / hour
$2-8 USD / hour
₹150000-250000 INR
$30-250 USD
$10-30 USD
$10000-20000 USD
€1500-3000 EUR
₹12500-37500 INR
₹1500-12500 INR
$750-1500 USD
₹12500-37500 INR
₹12500-37500 INR
₹750-1250 INR / hour