Ivan DolgovTech Lead / Full-Stack Engineer

Résumé · Rev. 2026/10

Ivan Dolgov

Tech Lead / Full-Stack Engineer

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Summary

Tech Lead and full-stack engineer with 5+ years of experience. Technical planning and architecture, requirements definition, code review, and delivery of web systems on React, TypeScript, Go, and AWS, mostly in enterprise contexts. Currently Tech Lead for a warehouse management system in logistics.

Experience

  1. Tech Lead — Next-Generation WMS · Frameworx (Daiwa House Group)

    2026/09–Present

    Technical direction for a next-generation warehouse management system (WMS).

    • Technical planning and architecture across frontend, backend, cloud, security, and WMS/WCS integration.
    • Technology selection and architecture standardization.
    • Engineering guidelines and architecture decisions.
    • Technical proofs of concept.

  2. Project Lead / Full-Stack Engineer · Ikigai Co., Ltd.

    2025/07–2026/05 · Contract

    Led 0→1 development of an AI chat game platform in a 20-person cross-functional team.

    • Planning, technical decisions, code reviews, engineering standards, and release work.
    • React and TypeScript frontend; Go backend.
    • AWS infrastructure with Terraform, Lambda, API Gateway, and DynamoDB.
    • Authentication and authorization with Keycloak.

  3. Full-Stack Engineer · Nagashima Konpo Co., Ltd.

    2024/12–2025/12 · Contract

    Production web and mobile SaaS for the packaging industry, in a team of approximately 10 people.

    • Search and large-data performance work, after growing data had degraded responsiveness across the platform.
    • Node.js 16 → 20 migration.
    • Proofs of concept, code reviews, and support for external developers.
    • Release work.

  4. Software Engineer / Project Lead · Flaretech Co., Ltd. (formerly Marvel)

    2023/03–2025/05

    Client projects in five industries, from five-person teams led end to end to a 40-person insurance system.

    • Project lead on corporate and multilingual site delivery: client negotiation, requirements, documentation, React and Next.js development, AWS deployment, launch, and operation.
    • Full-stack engineering on an insurance sales and application-management system (JavaScript, Java/Spring) in an approximately 40-person project.
    • Full-stack engineering on a CRM for a corporate electricity retailer (React, PHP/Laravel).
    • Frontend engineering and refactoring on a SaaS for freelance job matching (Next.js, React, TypeScript).

  5. Full-Stack Engineer · Independent

    2021/08–2023/01 · Freelance

    Delivered web applications and business systems in one- to two-person delivery environments.

    • Client-facing requirements work.
    • Web applications and business systems.
    • Automation, data collection, and e-commerce improvements.

Technologies

Frontend
React, Next.js, TypeScript, JavaScript, React Native, TanStack, MUI, Tailwind CSS
Backend
Go, Java/Spring, PHP/Laravel, Python/Django, Node.js
Cloud & infrastructure
AWS, Terraform, Lambda, API Gateway, AppSync, DynamoDB, Amplify, S3, CloudFront
Data & security
PostgreSQL, MySQL, DynamoDB, Keycloak
AI
LLM integration, RAG, Workflow automation, Prompt engineering

Education and certifications

  • MBA, GLOBIS UniversityGLOBIS UniversityA Tokyo graduate business school whose Japanese and English MBA programmes count about 13,180 current students and graduates.globis.ac.jp (2026/04–, in progress)
  • Global Consumer Intelligence program, Matsuo–Iwasawa Laboratory, The University of TokyoMatsuo–Iwasawa Laboratory, The University of TokyoA deep-learning laboratory at the University of Tokyo. Its endowed Global Consumer Intelligence course teaches data science and AI foundations.u-tokyo.ac.jp (2026–, in progress)
  • Fundamental Information Technology Engineer Examination (IPA JapanIPA JapanA Japanese national examination, run by the Information-technology Promotion Agency under METI, certifying IT knowledge and skills at a defined level.ipa.go.jp)
  • Information Security Management Examination (IPA JapanIPA JapanA Japanese national examination, run by the Information-technology Promotion Agency under METI, certifying IT knowledge and skills at a defined level.ipa.go.jp)
  • Japanese-Language Proficiency Test N1 (JLPTJLPTThe most advanced level of the Japanese-Language Proficiency Test: the ability to understand Japanese used in a variety of circumstances.jlpt.jp)

Languages

  • Russian: Native
  • Japanese: Professional working proficiency (JLPT N1)
  • English: Professional working proficiency