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Senior Full-Stack Engineer (AI-Focused) Remote — Full-time Contractor (Pathway to Permanent Employment & Potential Relocation to Australia) Timezone: Must be within ±3 hours of GMT+8 (preferred: India, Singapore, China, Malaysia, Western Australia) About Evatt AI Evatt AI is an emerging AI platform for lawyers and legal professionals. Our goal is to make advanced legal reasoning and document understanding accessible through natural language. Our stack integrates [login to view URL], Python FastAPI, vector search, and LLM-based retrieval-augmented generation (RAG) to deliver high-quality, legally grounded insights. We are entering a new phase — expanding beyond a chat-based interface toward a legal casebase system similar to [login to view URL] or AustLII, where users can perform natural language search across case law, legislation, and knowledge bases. This is a high-autonomy role. You will work directly with the founder, take ownership of major milestones, and lead the technical direction of the product end-to-end. Responsibilities • Take full technical ownership of Evatt AI’s codebase ([login to view URL] + FastAPI + Dockerized microservices). • Lead the development of new core modules, including: ○ A searchable legal casebase powered by LLMs and vector databases (RAG pipeline). ○ Enhanced AI streaming, query generation, and retrieval architecture. ○ Frontend refactor to modular React components for scalability. ○ A modern document ingestion pipeline for structured and unstructured legal data. • Manage releases, testing, deployment, and production stability across staging and production environments. • Work directly with the founder to define and deliver quarterly technical milestones. • Write clean, well-documented, production-grade code and automate CI/CD workflows. Required Technical Skills Core Stack (Current Evatt AI Architecture): • Frontend: [login to view URL] 15, React 19, Tailwind CSS, Material UI (MUI) • Backend / API Gateway: Node.js, TypeScript, Drizzle ORM, Zustand (state management) • AI Services: Python 3.11+, FastAPI, Pydantic, Starlette, Uvicorn • Databases: PostgreSQL (Railway), MySQL (local), Drizzle ORM • Vector Database: Pinecone (experience with Qdrant or Milvus is a plus) • LLM Providers: OpenRouter, OpenAI, Google Gemini, Anthropic Claude • Embeddings & NLP: sentence-transformers, Hugging Face, scikit-learn, PyTorch • Containerization: Docker, Docker Compose (local dev) • Cloud Deployment: Railway or equivalent PaaS • Auth & Payments: Google OAuth 2.0, Better Auth, Stripe (webhooks, subscriptions) • Email & Communication: SendGrid transactional email, DKIM/SPF setup Future Stack (Desired Familiarity): • Building vector-based legal knowledge systems (indexing, semantic search, chunking) • React component design systems (refactoring from monolithic [login to view URL] areas) • Legal text analytics / NLP pipelines for case law and legislation • Elasticsearch / Qdrant / Weaviate integration for advanced retrieval • Open-source RAG frameworks (LangChain, LlamaIndex) or custom RAG orchestration • Software architecture, prompt engineering, and model orchestration • CI/CD pipelines (GitHub Actions, Railway deploy hooks) • Performance, latency and scalability optimization Soft Skills & Work Style • Highly autonomous; able to operate without day-to-day supervision - well suited to former freelance developer or solo founder • Comfortable working directly with a founder and delivering against milestones • Strong written and verbal communication • Ownership-driven; cares about reliability, UX, and long-term maintainability Technical Interview Project Goal: show that you can design and implement a small but realistic AI-powered legal information system. Example challenge – “Mini Legal Casebase Search Engine”: Build a prototype of a web-based tool that: 1. Accepts upload of legal case summaries or judgments (PDF or text). 2. Converts and embeds these documents into a vector database (Pinecone, Qdrant, or similar). 3. Supports natural language search queries such as “breach of contract in retail” and returns semantically relevant cases. 4. Displays results ranked by relevance, with extracted snippets or highlights for context. Evaluation criteria: • Clear, sensible architecture (frontend/backend separation, RAG flow is obvious) • Clean, modular, documented code • Quality/relevance of retrieval • Bonus: simple UI with streaming AI-generated summaries Role Type & Benefits • Engagement: Full-time contractor (40 hrs/week) • Transition: Potential to convert to full-time employment after 3–6 months, based on performance • Compensation: Competitive and scalable with experience; paid monthly • Growth path: Long-term contributors may be offered the opportunity to relocate to Australia • Remote policy: Must be based within ±3 hours of GMT+8 (India, China, Singapore, Malaysia, Western Australia) How to Apply Send an a message on Freelancer with ALL of the Following: • Subject: “Evatt AI – Full-Stack AI Engineer Application” • A short cover letter outlining your experience with AI systems or legal-tech products • A GitHub & portfolio link with previous work (especially AI or RAG-related projects) • (Optional) A short proposal outlining how you would approach building a “legal casebase search engine” similar to [login to view URL] / AustLII (You'll be required to build a prototype in the technical interview - so this is strongly recommended)
ID do Projeto: 39962905
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79 freelancers estão ofertando em média $38 AUD/hora for esse trabalho

Hello, Thank you so much for posting this opportunity. It sounds like a great fit, and I’d love to be part of it! I’ve worked on similar projects before, and I’m confident I can bring real value to your project. I’m passionate about what I do and always aim to deliver work that’s not only high-quality but also makes things easier and smoother for my clients. Feel free to take a quick look at my profile to see some of the work I’ve done in the past. If it feels like a good match, I’d be happy to chat further about your project and how I can help bring it to life. I’m available to get started right away and will give this project my full attention from day one. Let’s connect and see how we can make this a success together! Looking forward to hearing from you soon. With Regards! Abhishek Saini
$25 AUD em 40 dias
5,5
5,5

Hello there, I am a senior developer with an excellent skills in web-based tool development. I have good skills in Parsing PDF and Text document, Vector Database. I have food skills in in front-end, API and Database development. Thanks Narendra
$25 AUD em 40 dias
1,4
1,4

Hello I am a Full Stack engineer. I have rich experience in Javascirpt, Typescript, React, Next, Python, FastAPI, Mysql, PostgreSQL, ORM, Restful API, API integration, OpenAI, AI/ML, LLM, Cloude, Web hosting, Docker, Elasticsearch, Git, CI/CD, Tailwind Css, Material ui, UI/UX, Mobile responsive, Pixel perfect design, Cross Browser, and so on. I am sure I can give you perfect results on this project. Looking forward to your reply Regards.
$50 AUD em 40 dias
3,9
3,9

Hello After reading your requirements , As an experienced Full-Stack (AI-focused) Engineer, I have a vast skill set that aligns perfectly with the goals and technical needs of Evatt AI's project. My expertise in Python and PostgreSQL is an essential foundation for your current core stack. Moreover, I am adept at containerization with Docker, using Pinecone for vector databases, and crafting clean documented code. In addition to working throughout the complete tech stack you use, I have a solid understanding of system architecture and model orchestration, which will prove valuable as your project expands into a legal casebase system. I'm also well-versed in implementing CI/CD pipelines and optimizing performance for scalable deployments. Having spent a significant amount of time working independently, I shine in high-autonomy environments - a perfect fit for this role. At your disposal would be my excellent communication skills; crucial for coordinating with founders directly, delivering on milestones, and ensuring long-term project maintainability. My goal is to understand your vision holistically and provide innovative solutions while prioritizing reliability and usability. Let me put my experience to work towards pushing the boundaries of legal-tech with Evatt AI.
$25 AUD em 20 dias
0,0
0,0

Hello, As an experienced and versatile AI Engineer with specialized knowledge in areas like Machine Learning (ML), Deep Learning, and Natural Language Processing (NLP), I can bring a wealth of skills to the table at Evatt AI. In particular, my deep proficiency with FastAPI, OpenAI and Python will align seamlessly with your existing tech stack—a key advantage since I can immediately take full technical ownership of your codebase. Having led the successful development of diverse AI-driven solutions across healthcare, finance, logistics, and marketing industries, I am adept at crafting intelligent systems that analyze complex datasets and deliver tangible business value—precisely what Evatt AI requires in a Full-Stack AI Engineer. Beyond my technical skills, I pride myself on strong communication abilities and a proactive approach, allowing me to operate autonomously without compromising results or project momentum. This guarantees not only efficiency in task execution but also a firm focus on long-term maintainability—a trait well aligned with your expectation for ownership-driven behavior. Additionally, I have been extensively involved in various CI/CD pipelines such as Github Actions as well as performance optimization protocols that would be useful in enhancing your platform's experience. Above all, my commitment rests in building efficient AI solutions that precisely cater to the needs of its users. I’m excited about Evatt AI ent Thanks!
$46 AUD em 38 dias
0,0
0,0

Excited to support your vision This project aligns perfectly with our recent work, my team and I actually completed something very similar not long ago. We’ve handled full AI-focused full-stack development projects like creating vector-based legal knowledge systems and building AI-powered tools for legal information retrieval. We specialize in full-stack web and app development, automation, API integration, and UX/UI design across Python, React, and containerization technologies like Docker. Our work is not only clean and modern but also scalable and optimized for seamless user experience. Happy to take this to my team - feel free to share any additional needs, there’s no obligation. Regards, Neliaan
$38 AUD em 40 dias
0,0
0,0

Hi, how are you doing? I’m excited to apply for the Full-Stack AI Engineer role. I have extensive experience building AI-driven web applications, including vector search and retrieval-augmented generation (RAG) pipelines, which aligns closely with Evatt AI’s vision for a legal casebase system. I am within ±3 hours of GMT+8, available full-time, and eager to contribute immediately. Looking forward to the opportunity to discuss how I can help Evatt AI deliver a world-class legal AI platform. Best regards, Alesha.
$25 AUD em 40 dias
0,0
0,0

Hello There, I hope you are doing well! I'm a Senior Full-Stack engineer with extensive experience building AI-powered applications, including RAG systems and legal-tech solutions. Your vision for expanding beyond chat-based interfaces to a comprehensive legal casebase system aligns perfectly with my background in semantic search, document intelligence, and scalable full-stack architecture. As a former technical lead who has built products from concept to scale, I thrive in high-autonomy environments and understand how to balance rapid iteration with production reliability. I'm within your required timezone (GMT+8) and available for full-time contracting with interest in long-term collaboration. My GitHub contains several AI/RAG projects that demonstrate the technical depth you're seeking. I'd be excited to discuss your roadmap and demonstrate my capabilities through the technical interview. Thanks & Best Regards!
$25 AUD em 40 dias
0,0
0,0

Hi There, ✅ With 13+ years in mobile app development, I specialize in cross-platform loyalty and rewards ecosystems built for performance, compliance, and customer engagement — making your Rewards App a perfect match for my expertise. ▶ P.S. I’ll deliver a fully GDPR-compliant loyalty platform with Shopify integration, QR/NFC-based scanning, and an admin dashboard to manage users, campaigns, and redemptions. ✅ Relevant Portfolio: ✔ WellHeal – Rewards & AI-based wellness app → iOS | Android ✔ Rose – AI + gamified engagement (voice & chat) ✔ Turbo – Event-based user reward system (100k+ downloads) ✔ Join Home – Social app with login & referral system ✔ GenAI Chat – Push-based personalized user journeys ✅ Key Features I’ll Build: ✔ Age verification (18+, MitID/Veriff) ✔ Secure QR/NFC code scanning for bottle rewards ✔ Points system with redeemable Shopify merchandise ✔ GDPR data management & EU alcohol compliance ✔ Admin dashboard: manage users, proofs, leaderboards ✔ Geo-campaigns, referrals, push notifications ✔ Tier system – e.g., Nordic Gold Club ✔ TikTok/Meta API for social verification ✅ Why Work With Me: ✔ Flutter & Node.js expert (single codebase: Android + iOS) ✔ 98% project success rate, 85% on-time delivery ✔ 30-day post-launch support + CI/CD deployment Let’s build a premium EU-compliant loyalty experience that connects engagement, rewards, and growth. The bid amount is tentative. Thanks & Regards, SK
$38 AUD em 40 dias
0,0
0,0

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