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About Kevin

About Kevin


AI First Full Stack Engineer & LLM Specialist | Building Intelligent, Scalable Applications

Senior Software Engineer with 8+ years of experience architecting and delivering production-grade web, mobile, and AI-powered systems. I bridge advanced AI/ML with robust full-stack engineering to solve complex business problems. My core expertise lies in integrating LLMs, RAG pipelines and NLP into scalable applications using Python (FastAPI), React/Next.js, and React Native.

I specialize in transforming cutting-edge AI research into reliable, user-centric products. This includes designing semantic search systems with Vector databases (Weaviate, Pinecone), orchestrating LLM workflows with LangChain, and building high-performance APIs and real-time data platforms. My work enhances enterprise Automation, Data insights, and User interaction through Generative AI, chatbots, and intelligent automation.

I lead the full development lifecycle, from concept and system design using Cloud infrastructure (AWS, Docker, CI/CD) to implementation, optimization, and observability. I am passionate about adopting Emerging technologies (LlamaIndex, edge computing, Turbopack) strategically to improve performance, developer velocity, and cost-efficiency without compromising stability.

My goal is to partner with forward-thinking teams to build the next generation of AI-native applications. I bring a disciplined, agile approach to creating maintainable systems that are as innovative as they are reliable.

Keywords for Discovery:
AI Engineer, LLM Engineer, Machine Learning Engineer, Full-Stack Developer, Python Developer, FastAPI, React, Next.js, React Native, LangChain, RAG, Vector Database, OpenAI, Claude, NLP, Generative AI, Chatbot, API Development, Backend Engineering, Cloud Architecture, DevOps, Agile, Technical Lead.
  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Comerge AG
    Senior Software Engineer (AI Integration & Enterprise Apps)
    September 2023 - June 2025 (1 year and 9 months)
    Zurich, Switzerland
    ▪ Developed and maintained enterprise-grade web & mobile apps, emphasizing scalable architecture and maintainability.
    ▪ Integrated LLM-based features into client workflows using LangChain & OpenAI, improving process automation & user assistance.
    ▪ Advocated for and implemented modern tooling where applicable, including Turborepo for monorepo management and tRPC for type-safe API contracts.
    ▪ Established observability patterns using structured logging and metrics to monitor system health and AI feature performance.

    Python, FastAPI, Node.js, React, React Native, LLM APIs, LangChain, tRPC, Turborepo, OpenTelemetry, PostgreSQL, Docker
    LLM Integration & AI Automation (LangChain, OpenAI API) Enterprise Backend Engineering (Python, FastAPI, PostgreSQL) Full-Stack TypeScript Development (React, Node.js, tRPC) Cross-Platform Mobile Apps (React Native) DevOps & System Observability (Docker, Turborepo, OpenTelemetry)
  • Vinova
    Lead AI Engineer & Technical Lead
    December 2022 - September 2023 (9 months)
    Singapore
    ▪ Led a cross-functional team in building an AI-powered application leveraging LangChain and vector embeddings, reducing processing time by ~40%.
    ▪ Architected a RAG pipeline to enhance LLM accuracy for domain-specific enterprise queries.
    ▪ Built a responsive web platform using Next.js (App Router), Tailwind CSS, improving SEO and performance through server-side rendering.
    ▪ Developed a cross-platform mobile app with React Native and Expo EAS, streamlining build and deployment cycles.
    ▪ Integrated Supabase for real-time data synchronization and Weaviate as a vector database for semantic search capabilities.

    LangChain, OpenAI, Weaviate, Next.js 13+, React Native, Expo EAS, Supabase, GraphQL, FastAPI, Agile/Scrum
    RAG Pipeline Architecture (LangChain, Weaviate, Vector Search) AI-Powered Web Platforms (Next.js 13+, App Router, Tailwind CSS) Cross-Platform Mobile Development (React Native, Expo EAS) Real-Time Full-Stack Systems (Supabase, GraphQL, FastAPI) Technical Leadership & Agile Delivery (Scrum, Cross-Functional Teams)
  • Sidebench
    Senior Full-Stack Engineer (AI & Analytics Focus)
    May 2019 - June 2022 (3 years and 1 month)
    Santa Monica, CA, USA
    ▪ Modernized legacy web applications using Next.js and TypeScript, improving scalability and developer experience.
    ▪ Built AI-driven analytics dashboards with real-time data streaming.
    ▪ Implemented CI/CD pipelines with GitHub Actions and Docker for consistent deployment across environments.
    ▪ Integrated third-party LLM APIs for early-stage AI feature prototyping and user personalization.
    ▪ Utilized Playwright for end-to-end testing to ensure reliability across complex user flows.

    React, Next.js, TypeScript, Node.js, Python, FastAPI, GitHub Actions, Docker, Playwright, LLM APIs
    Modern Web Application Development (Next.js, TypeScript, React) AI-Driven Analytics & Dashboards (Real-time Data Streaming) Backend API Development (Python FastAPI, Node.js) CI/CD & DevOps Automation (GitHub Actions, Docker) Quality Assurance & E2E Testing (Playwright)

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Education

  • National University of Singapore
    2016
  • Hwa Chong Institution
    2012

Skill set

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