Ivan DolgovTech Lead / Full-Stack Engineer

Sheet 02 / Experience

Experience

5+ years across technical leadership, contract product work, client delivery, and independent practice. Based in Tokyo, Japan.

Fig. 1 Engagements over time. Contract work overlapped with other roles; the chronology below lists each one in full.

Chronology

Scope as stated in my current CV.

  1. 2026/09–Present

    2 mos

    Tech Lead — Next-Generation WMS

    Frameworx — Daiwa House Group

    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.
    Brief

  2. 2025/07–2026/05

    11 mos · Contract

    Project Lead / Full-Stack Engineer

    Ikigai Co., Ltd.

    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.

    Stack React, TypeScript, Go, AWS, Terraform, Lambda, API Gateway, DynamoDB, Keycloak

    Case study

  3. 2024/12–2025/12

    1 yr 1 mo · Contract

    Full-Stack Engineer

    Nagashima Konpo Co., Ltd.

    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.

    Stack React, Next.js, React Native, Expo, AWS Amplify, Lambda, AppSync, DynamoDB, S3

    Case study

  4. 2023/03–2025/05

    2 yrs 3 mos

    Software Engineer / Project Lead

    Flaretech Co., Ltd. — formerly Marvel

    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).

    Stack React, Next.js, TypeScript, JavaScript, Java/Spring, PHP/Laravel, AWS

    Brief

  5. 2021/08–2023/01

    1 yr 6 mos · Freelance

    Full-Stack Engineer

    Independent

    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.

    Stack React, Vue.js, Python/Django, PHP

Education and certifications

Education

  • 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

Certifications

  • 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

Résumé