About me

I am a Senior Software Engineer with over 10 years of experience in software development, AI, and MLOps, specializing in LLM-based pipelines, including RAG, agentic workflows, fine-tuning, and prompt engineering across fintech, trading, Blockchain, and e-commerce. Proficient in Python, React, TypeScript, Node.js, Rust, Django, and FastAPI, with a strong background in full-stack development, system architecture, and scalable backend services. Experienced in DevOps, cloud infrastructure (AWS), Kubernetes, Terraform, and CI/CD pipelines, I excel in designing high-performance applications, optimizing AI workflows, and leading cross-functional teams to drive innovation and efficiency.

My core expertise includes Node.js(Express, Nest.js), Django, FastAPI, Go, Java, Laravel, Ruby on Rails, Elixir, React.js, Vue.js, Next.js, WordPress, and Shopify, which I leverage to develop scalable, secure, and high-performance solutions tailored to business needs.

What i'm doing

  • Web development icon

    Full Stack Development

    Building scalable web applications using React, Next.js, Vue, Node.js, Python, and various backend frameworks.

  • design icon

    Blockchain Development

    Developing smart contracts, NFT marketplaces, and DeFi solutions using Solidity, Rust, and Web3 technologies.

  • mobile app icon

    AI & ML Solutions

    Implementing AI-powered solutions, LLM-based pipelines, and machine learning models for various applications.

  • camera icon

    Cloud & DevOps

    Designing and deploying cloud infrastructure, implementing CI/CD pipelines, and managing containerized applications.

References

  • Oliver Flynn

    Oliver Flynn

    oliverflynn@gmail.com

    Working with AKIRA NAKAO was an absolute game-changer for our NFT marketplace. His expertise in blockchain development and smart contract optimization helped us reduce gas fees significantly. His attention to detail and problem-solving skills are exceptional.

  • MARK ABRAHAM

    MARK ABRAHAM

    markabaham@gmail.com

    AKIRA's work on our AI-powered image processing system was outstanding. He implemented complex ML algorithms and LLM integrations that significantly improved our system's performance. His ability to handle both backend and AI development is remarkable.

  • Emily evans

    John Victor

    victordev56@gmail.com

    The cloud architecture and DevOps solutions implemented by AKIRA transformed our development workflow. His expertise in AWS, Kubernetes, and CI/CD pipelines helped us achieve better scalability and reliability.

  • Henry william

    Vijai V

    vijai.monsterdev@gmail.com

    AKIRA's full-stack development skills are exceptional. He built our entire platform from scratch, implementing modern technologies and best practices. His ability to handle both frontend and backend development is impressive.

Oliver Flynn
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Oliver Flynn

Richard was hired to create a corporate identity. We were very pleased with the work done. She has a lot of experience and is very concerned about the needs of client. Lorem ipsum dolor sit amet, ullamcous cididt consectetur adipiscing elit, seds do et eiusmod tempor incididunt ut laborels dolore magnarels alia.

Clients

Resume

Education

  1. Yokohama National University - Yokohama, Japan

    May 2011 - August 2015

    Bachelor of Science in Computer Engineering

Experience

  1. Senior Fullstack & Blockchain Engineer at Mintable - Singapore

    February 2024 - November 2024

    Leading the development of NFT marketplace and DeFi solutions.

    • Designed and maintained cloud architecture using AWS CDK.
    • Developed NFT marketplace APIs (RESTful, GraphQL, serverless).
    • Integrated Elasticsearch for NFT (ERC721, ERC1155) search functionality.
    • Built frontend with Next.js and Amplify backend.
    • Consolidated multiple AWS AppSync APIs into one integrated system.
    • Implemented comprehensive testing (unit, integration, E2E, stress, A/B).
    • Built ETL data pipeline for DeFi protocols (Uniswap V3, Liquidty V2, Aave V3).
    • Developed smart contracts using Solidity and Rust.
    Technologies: AWS CDK, Next.js, GraphQL, Elasticsearch, Docker, Kubernetes, Argo CD, Solidity, Rust

  2. Backend & AI Engineer at ArtisseAI - Hong Kong

    June 2023 - November 2023

    Developed AI-powered image processing and generation systems.

    • Designed distributed servers and databases for China and Global regions.
    • Developed scalable image training and generation through prompt engineering.
    • Integrated ML algorithms, LLMs, and RAG for enhanced data processing.
    • Implemented RAG-based customer support chatbot.
    • Built crypto payment system with Solidity and Rust.
    • Optimized search engine with DB indexing and caching.
    • Integrated third-party services (SMS, push notifications, CMS, email, WhatsApp).
    Technologies: Python, ML, LLM, RAG, AWS SQS/SNS, Solidity, Rust, TDD

  3. Senior Fullstack & Blockchain Developer at SOLARR - Hong Kong

    April 2022 - May 2023

    Developed NFT marketplace and DeFi projects with cross-chain functionality.

    • Developed smart contracts for Ethereum and Solana.
    • Implemented Cross-chain purchase and swap using CCIP/CCTP protocols.
    • Used ERC-20, ERC721(A), ERC1155, and ONFT-721 tokens.
    • Optimized Gas usage, resulting in significant cost savings.
    • Migrated legacy codebase to serverless & microservice architecture.
    • Implemented CI/CD pipelines using AWS and Github.
    Technologies: Solidity, Rust, CCIP/CCTP, AWS, CI/CD, Microservices

  4. Senior Fullstack Developer - Upwork & Freelancer

    January 2020 - February 2022

    Developed various SaaS platforms and applications for multiple clients.

    • Built SaaS platforms, Shopping, Ecommerce, Healthcare and Fintech Products.
    • Developed responsive Frontend using React.js, Next.js, Vue, Nuxt.js.
    • Built microservices with Express.js, NestJS, Python, FastAPI, Django, Laravel.
    • Created centralized component library with Storybook.
    • Implemented comprehensive testing and CI/CD pipelines.
    • Maintained IaaC using Terraform and Ansible.
    Technologies: React, Next.js, Vue, Node.js, Python, FastAPI, Django, Laravel, Terraform, Ansible

  5. Fullstack Developer at TechCrunch - Yokohama, Japan

    May 2016 - March 2019

    Developed payment, news, and ecommerce products.

    • Developed web and mobile backend with Node.js(Express.js).
    • Built GraphQL and REST APIs using NestJS and Apollo GraphQL.
    • Optimized database performance with sharding and indexing.
    • Implemented performance monitoring and optimization.
    • Managed TDD and CI/CD with Gitlab pipeline.
    Technologies: React, TypeScript, Node.js, Express.js, NestJS, GraphQL, PostgreSQL

My skills

  • Frontend: HTML, CSS, JavaScript, TypeScript, React, React Native, Next.js, Vue2, Tailwind CSS, Material-UI, ChakraUI
  • Backend: Node.js, Express.js, Nest.js, Laravel, Flask, Django, Gin, Ruby on Rails, Elixir
  • Database: MySQL, PostgreSQL, MongoDB, MariaDB, DynamoDB, Redis
  • Blockchain: Solidity, Rust, Web3.js, Ethers.js, Wagmi
  • Cloud & DevOps: AWS (EC2, ECS, ECR, EKS, Lambda, Amplify, AppSync, S3, DynamoDB, RDS, CloudFront, OpenSearch, CodePipeline, SNS, SQS, SES, CloudWatch, Step Functions), GCP, Microsoft Azure
  • DevOps Tools: Terraform, Docker, Kubernetes, Jenkins, Ansible, ELK Stack
  • Testing & QA: Jest, Cypress, Playwright, Storybook, Mocha
  • Payment Systems: Stripe, Wert, AliPay, WeChat Pay, Apple Pay, Google Pay, Crypto payments
  • Analytics & Monitoring: Heap, Datadog, ELK Stack, AWS CloudWatch

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