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I am looking to hire a top-tier, Senior Full-Stack / AI Systems Engineer on a contract basis to design, build, and operate production-grade, agentic AI systems for enterprise-scale applications. This project goes far beyond basic API wrappers. You will be responsible for creating sophisticated multi-agent frameworks, developing enterprise-grounded reasoning mechanisms, and ensuring strict trust, safety, and governance protocols are embedded directly into the live deployments. As the primary engineer, you will have complete ownership over day-to-day delivery, code implementation, and technical execution. Key Responsibilities: Architecture Ownership: Design, build, and scale robust multi-agent frameworks and distributed systems tailored for complex workflows. Production Operations: Oversee the end-to-end deployment, monitoring, and optimization of frontier AI models to guarantee reliable performance. Advanced Retrieval Patterns: Implement and refine complex retrieval patterns (RAG) and data structures optimized for real-time AI contextual awareness. Technical Delivery: Handle the daily engineering tasks, manage technical milestones, and participate fully in daily project alignment meetings. Required Experience & Skills 8+ Years of Professional Experience: A rock-solid foundation in software engineering, data structures, algorithms, and distributed systems. Production Agentic Systems: Proven, hands-on experience designing, operating, and scaling multi-agent or agentic AI systems in a live production environment. Core Technical Stack: High proficiency in Python is mandatory. Strong familiarity with systems-level languages like Go, Java, or C++ is highly preferred. AI Ecosystems: Deep experience working directly with frontier AI SDKs (Anthropic, Google, OpenAI) and enterprise retrieval patterns. Communication: Exceptional communication and fluent English skills are strictly required to manage day-to-day coordination and delivery.
Project ID: 40536992
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109 freelancers are bidding on average $35 USD/hour for this job

Hi — Elias here from Miami. I see you're looking to design and scale production multi-agent systems, which is crucial for enhancing automated workflows. Understanding the complexities involved is key to achieving your objectives. What usually matters most here is ensuring the system’s scalability and reliability. A common issue in systems like this is managing the interactions between numerous agents while maintaining performance and data integrity. The tricky part is usually orchestrating the communication and state management across distributed components, especially as the system grows. My approach focuses on structuring the architecture for seamless integration and future-proofing. I prioritize clear interfaces and modular components to facilitate maintenance and upgrades. In past projects, I’ve successfully built similar AI-driven systems, ensuring they could scale without compromising stability. A few questions to better understand the scope: Q1 – What are your expectations regarding the number of agents and their interactions? Q2 – Are there specific integrations or existing systems we need to consider? Q3 – How do you envision handling the workflow logic and data outputs? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$50 USD in 30 days
7.9
7.9

With over 8 years of experience and a background working on AI projects at an enterprise level, I am well-positioned to take on your project. I have extensive experience with designing, operating, and scaling multi-agent or agentic AI systems in live production environments. My work as an AI developer was even recognized with an innovation award in Aquaculture at Aquacon Dubai by the U.S. Soy Export Council. My core technical expertise lies in Python, one of the key languages you've specified. Additionally, my familiarity with systems-level languages such as Go, Java, and C++ means that I can easily adapt to any technical stack requirements your project may have. Being Microsoft Certified also speaks to my proficiency and commitment to delivering high-quality solutions.
$38 USD in 40 days
8.2
8.2

⭐⭐⭐⭐⭐ Senior Full-Stack / AI Systems Engineer for Enterprise AI Solutions ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project needs and see you're looking for a Senior Full-Stack / AI Systems Engineer. You don't need to look any further; Zohaib is here to assist you! My team has completed over 50 similar projects in AI systems. I will design and build robust multi-agent frameworks and ensure they run smoothly. I focus on creating efficient systems while embedding trust and safety protocols directly. ➡️ Why Me? I can easily handle your project as I have over 8 years of experience in software engineering, specializing in AI systems, distributed systems, and data structures. My expertise includes Python, Go, and working with various AI SDKs, ensuring a complete approach to your project. ➡️ Let's have a quick chat to discuss your project in detail and I can show you samples of my previous work. Looking forward to discussing this with you! ➡️ Skills & Experience: ✅ Python Programming ✅ Go, Java, C++ ✅ Multi-Agent Frameworks ✅ Distributed Systems ✅ AI Model Deployment ✅ Performance Monitoring ✅ Advanced Retrieval Patterns ✅ Data Structures ✅ Algorithms ✅ Technical Delivery ✅ Communication Skills ✅ Project Management Waiting for your response! Best Regards, Zohaib
$30 USD in 40 days
8.1
8.1

Hi, this is exactly the space I work in. I build production grade AI systems, not simple OpenAI wrappers. My background includes multi agent architectures, RAG platforms, workflow orchestration, hybrid retrieval, memory management, and enterprise AI applications built with Python, FastAPI, PostgreSQL, pgvector, AWS, and modern cloud infrastructure. As a lead architect on multiple SaaS products, I’ve been responsible for system design, scalability, security, deployment, and day to day technical ownership. I’m comfortable owning the entire stack, from distributed backend services and AI orchestration layers to production operations and governance requirements. If you’re looking for a senior engineer who can architect, build, and operate complex AI systems without hand holding, I’d be interested in discussing the details.
$38 USD in 40 days
7.9
7.9

This sounds like a situation where you need someone who has already dealt with the gap between AI demos and systems that actually survive production traffic, governance requirements, and constantly changing model behavior. My first step would be understanding how agents are expected to collaborate, where decisions need to be grounded in enterprise data, and what level of autonomy is acceptable. From there, I'd build the orchestration layer, retrieval pipeline, and observability around it before worrying about adding more agent complexity. In practice, most reliability issues come from retrieval quality, context management, and failure handling rather than the model itself. I've worked on Python-based systems that combined retrieval, workflow automation, and large-scale integrations, and one lesson that always carries over is keeping agent actions traceable from day one. It makes debugging, governance, and future scaling dramatically easier. I'm also comfortable working directly with OpenAI, Anthropic, and Google model ecosystems, participating in daily technical alignment, and owning delivery end to end. I'd be happy to dive into the existing architecture and start contributing immediately.
$30 USD in 40 days
7.1
7.1

As someone who's been immersed in the world of AI systems for over a decade now, I offer you a unique blend of technical skills and domain expertise that few can match. My solid foundation in not just software engineering, but also data structures, algorithms, and distributed systems makes me proficient in creating robust multi-agent frameworks tailor-made for intricate workflows. Moreover, having proven hands-on experience with agentic AI systems in live production environments, I understand the importance of strict trust, safety, and governance protocols which are cardinal for this project. My extensive exposure to the AI ecosystem including working with frontier AI SDKs such as Google and OpenAI ensures I'm well-versed in advanced retrieval patterns like RAG and other data structures optimized for real-time contextual awareness. Fluent communication also comes as second nature to me, which guarantees smooth day-to-day coordination and delivery.
$40 USD in 30 days
7.2
7.2

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, Python, UML Design, Software Architecture, Machine Learning (ML), Software Engineering, Distributed Systems, LLM Prompt Engineering, AI Development 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
7.8
7.8

Hi I can design, build, and operate production-grade agentic AI systems with strong ownership across architecture, implementation, deployment, and optimization. The main technical challenge is creating a reliable multi-agent framework that can reason over enterprise data, coordinate tools, maintain context, and enforce governance without becoming a fragile chain of API calls. My solution would combine Python-based agent orchestration, advanced RAG pipelines, vector databases, structured tool execution, evaluation layers, monitoring, and strict safety controls for production reliability. I have deep experience with OpenAI, Anthropic, Google AI SDKs, LangChain/LangGraph, LlamaIndex, FastAPI, PostgreSQL, pgvector, Pinecone, Redis, Docker, Kubernetes, and distributed backend systems. I can implement enterprise-grounded reasoning using hybrid retrieval, metadata filtering, memory design, workflow state machines, permissions, audit logs, and human-in-the-loop review where needed. I can also build observability around model behavior, latency, cost, failure handling, prompt/version control, and retrieval quality so the system can be operated safely at scale. Beyond AI orchestration, I bring senior full-stack engineering experience with scalable APIs, secure integrations, cloud deployment, CI/CD, and production incident handling. I am comfortable taking complete technical ownership while communicating clearly with stakeholders in daily project alignment. Thanks, Hercules
$80 USD in 40 days
6.8
6.8

As a seasoned AI Systems Engineer with over 8 years of professional experience at Web Crest, I believe my comprehensive skill set and dedication to robust and scalable solutions align perfectly with your project requirements. My expertise encompasses not only AI Development, but also Software Architecture, making me fully equipped to take on the responsibility of designing, building, and operating production-grade, agentic AI systems for enterprise-scale applications - the core objectives of your project. Crucially, my proficiency in Python is not just basic but advanced - you need a senior engineer who not only understands the technical aspects but also has fluency in a language that allows them to translate them into workable code. Indeed, my solid foundation in software engineering, data structures, algorithms, and distributed systems is what has enabled me to design, operate and scale multi-agent or agentic AI systems previously used in live production environments; an experience that resonates with your requirement perfectly.
$30 USD in 40 days
6.6
6.6

Hi, your project "Senior AI Systems Engineer – Design & Scale Production Multi-Agent Systems (Python / Distributed Systems)" is clear, and I can take care of the implementation. I will keep the delivery simple: confirm the setup, build the required part, test it, and hand it over clearly. I also noticed the listed skills include Java Python UML Design Software Architecture Machine Learning (ML) Software Engineering Distributed Systems LLM Prompt Engineering AI Development. My focus would be making the backend and connected services work smoothly together. My proficiency in Python, demonstrated ability to design and scale complex multi-agent systems, and familiarity with AI SDKs (including those by Google and OpenAI) puts me in a strong position to handle your enterprise-scale project. Additionally, my background in software engineering, data structures, algorithms, and distributed systems further qualifies me for the role you envision. Regards, Houssame
$38 USD in 40 days
6.5
6.5

Drawing from my extensive skills and experience in AI development, I am confident in my ability to excel in the Senior AI Systems Engineer role you're offering. For the last 8 years, I have honed not only robust software engineering skills but also a deep understanding and practical knowledge of designing, operating, and scaling agentic AI systems in live production environments. My experiences include working with various frontier AI SDKs like Anthropic, Google, and OpenAI - key requirements for your project. Additionally, while my core technical competency lies in Python and I have a strong familiarity with Go and Java, I firmly believe that comprehensive skill sets are pivotal for success in the dynamic realm of technological advancements. Hence, I've always thrived on expanding my technical repertoire continuously- making me an excellent fit for tackling even complex scenarios with diverse systems-level languages like C++. Client communication is also a top strength of mine and this will play a crucial role in meeting your project goals efficiently. My results-oriented approach has always driven me to deliver not just clean code but tangible results that bring real value to businesses. What's more, my dedication to post-launch support ensures that even after the technical execution phase ends, your project will continue to thrive under my watchful eye.
$25 USD in 1 day
5.7
5.7

I’m Juan Pablo, and I build production‑grade multi‑agent AI systems with Python, distributed systems and frontier‑model orchestration — exactly the profile you’re hiring for. I’ve done this exact thing before: owning architecture, designing multi‑agent reasoning layers, deploying/monitoring frontier models, and implementing advanced RAG patterns that stay stable under real enterprise load. I can start now and take full responsibility for day‑to‑day delivery, milestones and technical execution, with clear communication and alignment throughout. You’ll get clean, scalable systems, predictable delivery and an engineer who actually knows how to run agentic systems in production. If you want, I can outline how I’d structure the multi‑agent architecture for your environment.
$25 USD in 40 days
5.4
5.4

If you're looking for a truly seasoned professional to tackle your project, I'm the ideal Senior AI Systems Engineer for you. With over a decade of hands-on experience in software engineering, distributed systems, and artificial intelligence, I have consistently designed, deployed, and scaled the kind of multi-agent, agentic AI systems your demanding project necessitates. My skills include deep proficiency in Python, essential when dealing with complex retrieval patterns like RAG and real-time AI contextual awareness – as well as familiarity with systems-level languages like Go and Java that could prove invaluable in terms of optimization. Working directly with frontier AI SDKs from Google, OpenAI, and Anthropic is something I've become adept at over the years. A standout feature of my work has been in integrating advanced AI capabilities into real-world products/a wide array of industries - an attribute that aligns well with your enterprise-scale applications requirement. In addition to that I offer exceptional communication skills. Communication ability is strictly critical when working on such a challenging project. Grab my assured technical excellence plus strongEnglish fluency to deliver a top-notch job for you.
$30 USD in 40 days
5.1
5.1

You need a production grade multi agent system with built in governance not a prototype that breaks under load. I build agent frameworks that treat retrieval latency, state continuity, and safety checks as first class concerns. Most teams underestimate how retrieval and orchestration interact under scale. If the retrieval layer is slow or inconsistent the whole agent choreography collapses and safety gates become ineffective. I recently shipped the Practice Tool AI coach: production AWS deployment, real time STT, GPT feedback loops, and operational monitoring for live users. It taught me how to keep model loops efficient and observable. My approach 1. Define core agent responsibilities and communication patterns, then map failure modes and safety hooks 2. Implement orchestration in Python using async workers and a message backbone like Kafka or Redis streams 3. Build retrieval with a vector store tuned for low latency and realtime updates plus cache tiers 4. Add policy enforcement as an inline middleware, plus metrics, alerting, and staged rollout controls Do you have an existing codebase or priority workflows for the agents? If you grant repo access I will prepare a high level architecture diagram showing components, data flows, and governance points.
$37.50 USD in 7 days
4.8
4.8

Good day, Could you clarify whether you're building a new agentic AI platform from scratch or extending an existing production system? Also, what is the primary deployment environment—AWS, GCP, Azure, or a private infrastructure? I understand you're looking for a senior engineer to own the architecture and delivery of production-grade, enterprise AI systems built around multi-agent orchestration, advanced RAG, and distributed services. My approach would be to design a scalable, modular architecture that separates orchestration, retrieval, reasoning, and execution layers while embedding observability, security, governance, and evaluation throughout the system. The implementation would prioritize reliable production operations, efficient context management, robust API integrations with frontier AI models, and maintainable engineering practices to support long-term scalability and enterprise readiness. Our current bid is placeholder but can be finalized thru chat. Regards, Imran Arshad PS: Portfolio can be furnished on your request.
$38 USD in 40 days
4.6
4.6

Hello, Is Python your primary language of choice for this project? Do you have a preference for a specific AI SDK like Anthropic, Google, or OpenAI? Excited about crafting these agentic AI systems! I'll approach this by ensuring robust architecture design and smooth production operations. One challenge is maintaining strict governance protocols, which I'll prioritize. I can share past examples in the chat. Let’s connect to align on the project timeline and costs. Looking forward to our chat—let’s bring your vision to life!
$30 USD in 40 days
4.0
4.0

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have extensive experience creating multi-agent AI systems using Python and distributed architectures that operated smoothly in production. The most crucial part is ensuring robust system design and reliable deployment for scalable AI frameworks based on my experience. Approach: ⭕ Design and architect a scalable multi-agent AI framework tailored to your needs. ⭕ Implement advanced retrieval augmented generation (RAG) patterns with optimized data structures. ⭕ Build and monitor the production system ensuring safety, trust, and governance compliance. ⭕ Oversee daily technical deliverables and collaborate closely with stakeholders. ❓ ❓ Confirm your preferred core AI SDKs for integration. ❓ Clarify key performance metrics and deployment environment. I am confident in delivering a robust, enterprise-grade multi-agent AI system meeting all your requirements. Best regards, Nam
$25 USD in 22 days
3.9
3.9

Hi, this is Jorge from IT GLOBAL SOLUTION LLC in FL, United States. I’ve built production-grade AI systems like what you’re describing, especially multi-agent orchestration with enterprise RAG, distributed execution, and trust/safety guardrails integrated into live deployments. Your emphasis on governance and reliable performance is a great base for a scalable rollout. I’d implement a Python-first architecture: FastAPI for entrypoints, an async worker layer (Celery or Kafka consumers) for agent/tool execution, and a modular multi-agent design where each agent has an explicit role, tool permissions, and typed I/O contracts. I’ll document the end-to-end flow and agent interactions with UML-style class/sequence diagrams. For grounding, I’d build a dedicated retrieval service using vector search (pgvector or a managed vector DB) with hybrid retrieval, query rewriting, and re-ranking, backed by a structured PostgreSQL schema for documents, chunks, embeddings metadata, and provenance. For frontier model integration, I’ll wrap SDK calls behind a policy-enforcing gateway that handles prompt safety controls, tool-call validation, rate/timeout management, and audit logging, plus post-processing for citations/provenance and enforced refusal/safety outcomes. Operationally, we’ll add observability with OpenTelemetry and reliability patterns like retries with idempotency, circuit breakers, and fallback retrieval.
$60 USD in 40 days
4.0
4.0

Hi, I reviewed your senior AI systems engineer role carefully. This is a strong fit for a production-focused AI architecture and delivery role, especially because you need multi-agent systems, distributed workflows, advanced RAG, governance, monitoring, and hands-on Python implementation. I would approach this by first defining the agent architecture, workflow boundaries, retrieval layer, tool permissions, evaluation strategy, safety checks, observability, and deployment model. Then I would build the first production workflow with clean Python services, structured logging, retries, model/provider abstraction, testable prompts, and measurable quality gates. My focus would be reliability: grounded retrieval, auditability, fallback paths, human-review points, cost/latency control, and safe orchestration across OpenAI, Anthropic, Google, or open-source models where appropriate.
$50 USD in 40 days
4.1
4.1

With over 8 years of experience in software engineering and distributed systems, I am confident I can deliver outstanding results as your Senior AI Systems Engineer. I have a solid understanding and working knowledge of hierarchical system design, which would prove invaluable in building and scaling the multi-agent frameworks you require for this project. Alongside my proficiency with Python - a key language for AI development - I have a strong background in other systems-level languages such as Java, which could be applied to elevate your production-grade agentic AI systems. Lastly, you must know that clear communication skills are pivotal in projects of this magnitude. I am known for being an excellent communicator, which is essential to effectively manage day-to-day coordination and delivery. Overall, I bring a passion for efficient problem solving, adaptability and results-driven approach to every project - characteristics that make me poised to excel as your Senior AI Systems Engineer. Look forward to the chance to contribute to your company's success!
$30 USD in 40 days
3.8
3.8

Denver, United States
Member since Jun 23, 2026
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