Jhonattan Manrique
Verified Expert in Engineering
Software Developer
Lisbon, Portugal
Toptal member since March 20, 2024
Jhonattan leads AI transformation for companies, unifying fragmented business systems into a data platform with production AI agents. He combines engineering with technical leadership, owning strategy, architecture, and delivery. His work spans data integration, business ontologies, and conversational AI grounded in verified operational data. With 15 years of experience, Jhonattan helps founders and businesses turn complex challenges into reliable AI-powered products.
Portfolio
Experience
- Go - 5 years
- Python - 2 years
- Artificial Intelligence (AI) - 2 years
- AI Modeling - 2 years
- Agentic RAG Systems - 2 years
- Fractional CTO - 1 year
- Kubernetes - 1 year
- Rust - 1 year
Preferred Environment
Agentic RAG Systems, AI Modeling, AI Tools, Artificial Intelligence (AI), Python, Claude, Agentic AI, Agentic Workflow Design, Agentic AI Systems, AI Automation
The most amazing...
...project I've built is an adaptive wellness companion that uses advanced agentic AI to help people achieve their wellness goals.
Work Experience
AI Founder and LLM Specialist
Voris
- Designed and implemented Vortex, VORIS's agentic intelligence engine that processes user context — sleep quality, energy levels, mental state — to dynamically generate and adapt personalized sessions.
- Architected the full technical stack end-to-end, integrating LLM-powered conversational AI, prompt engineering pipelines, and adaptive recommendation logic.
- Built VORIS from concept to working product, delivering a fully functional AI wellness companion with conversational onboarding, adaptive daily planning across three wellness pillars, and real-time plan regeneration based on user signals.
Senior AI Full-stack Engineer
FullScript - Platform Engineering
- Implemented a feature to automate the setup of developer environments with a new data origin, ensuring compatibility across both local and cloud environments, and enabling easy switching between different data regions. (Go tooling).
- Wrapped the devspace sync command to streamline sync operations, reducing issues and enhancing reliability for development teams. (Go tooling).
- Help to design a MySQL adapter migration process, improving functionality and support for the internal CLI tool.
Senior Software Engineer
Freelance Clients
- Engineered a comprehensive salon management system using Go and SvelteKit, which over 50 salons adopted within the 1st quarter.
- Developed an esports betting proof of concept on the Internet Computer Protocol (ICP) network using Rust for canister development.
- Enhanced functionality of a Go CLI tool through usability and optimization.
Senior AI & Full-stack Architect
StreamingFast Platform Inc.
- Implemented new features for a freight management system startup using Go, GRPC, GCP, pub/sub, modular monolith, and LLMs.
- Researched and implemented TMS integrations and Chrome extensions good practices.
- Optimized data loading from the back end using Go's concurrency tools.
Senior Software Engineer
ShelterZoom
- Contributed successfully to migrating Node.js services to Go, ensuring a smooth transition and improved performance.
- Maintained a distributed microservices architecture proactively, guaranteeing optimal functionality and minimizing downtime.
- Demonstrated expertise in utilizing Go, Kafka, MongoDB, and Kubernetes to develop and enhance the platform.
Senior Software Engineer
Billard365
- Developed a streaming service using Rust to distribute real-time CCTV streams to the billiard software.
- Enhanced the user experience with the service by providing live footage in low-cost hardware using Rust capabilities.
- Researched different platforms extensively, including Node.js, .NET, Go, and Rust, to select the best tool for the platform.
Senior Software Engineer
Fluid Chains
- Built and maintained a distributed microservices architecture, significantly improving system modularity and reducing dependencies between components.
- Created a block explorer using Nako, an unspent transaction output (UTXO) indexer, and MongoDB, enhancing the system's ability to index and search transactions on the blockchain.
- Developed DADA, a payment and AirDrop processor based on UTXO blockchains, which streamlined transactions and improved AirDrops' efficiency.
- Implemented Chertero, a system for issuing certificates based on the Blockcerts standard, providing a secure and verifiable method of issuing digital credentials.
- Constructed a token bridge and Uniswap liquidity provider. This gateway aimed to facilitate seamless token transfers and improved liquidity.
- Showcased versatility in a startup environment in the face of diverse technical challenges in handling various technologies like .NET, Go, Rust, Python, React, AWS, and different blockchain protocols like Bitcoin, Ethereum, and Solana.
Senior Software Engineer
PriceTravel
- Built new microservices using Go, leveraging a serverless architecture with AWS Lambda, API Gateways, Amazon Aurora, and Amazon Kinesis.
- Showcased proficiency in .NET, Go, and gRPC, further enhancing the system's performance and capabilities.
- Improved scalability and increased request processing significantly.
Senior Software Engineer
Endava
- Built components to create tax strategies and ensure compliance for US companies.
- Implemented significant changes to multiple components, enhancing code quality and maintainability.
- Demonstrated proficiency in a wide range of technologies, including .NET, SQL Server, and React.
Experience
VORIS
https://www.voris.coachStreaming Video Service
Chertero
https://fluidchains.com/products/chertero.htmlSkills
Libraries/APIs
OpenAI API, React, Node.js, REST APIs, Claude API, FFmpeg
Tools
Claude, Claude Code, Codex, Amazon Elastic Container Service (ECS), Git, AI SDK, Amazon EKS, GitLab CI/CD, Helm, RabbitMQ
Languages
Go, C#, Python, JavaScript, TypeScript, SQL, Rust, Ruby, GraphQL
Paradigms
Model Context Protocol (MCP), REST, Automation, Microservices, Event-driven Architecture, Serverless Architecture, Mobile Development, DevOps
Frameworks
Next.js, .NET, React Native, gRPC, Ruby on Rails (RoR), LangGraph, Django
Platforms
Docker, Amazon Web Services (AWS), Apache Kafka, Blockchain, iOS, Vercel, Kubernetes, AWS Lambda, Amazon, Google Cloud Platform (GCP), Android
Storage
PostgreSQL, Amazon Aurora, Amazon S3 (AWS S3), Redis
Other
API Integration, APIs, Architecture, Full-stack, Software Architecture, Back-end, Web Development, Back-end Development, Large Language Models (LLMs), AI Tools, RESTFul APIs, AI Modeling, Agentic RAG Systems, Vibe Coding, Agentic AI, AI Agents, ChatGPT API, AI-generated Code, AI Integration, Software Development Lifecycle (SDLC), AI-assisted Development, Software Design, Spanish, AI Automation, Agentic Workflow Design, LLM Integration, Front-end Development, CI/CD Pipelines, Technical Leadership, Leadership, Solution Architecture, LangChain, Distributed Systems, Web3, Full-stack Development, Artificial Intelligence (AI), Product Management, Fractional CTO, MVP Design, Retrieval-augmented Generation (RAG), eCommerce, Image Generation, AI Architecture, Prompt Engineering, FastAPI, RAG Architecture, Generative Artificial Intelligence (GenAI), Railway, RAG Systems, Workflow Automation, AI Agent Orchestration, API Gateways, Amazon Kinesis, Decentralized Finance (DeFi), OpenAI, Open-source LLMs, Temporal, Nano Banana, Supabase, Google Antigravity, Machine Learning, Agentic AI Systems
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