Mikael Nakajima

Owner

About

Software Engineer with wide range of experience. Easier to summarize lack-of-experience areas: UI design, close-to-hardware embedded software, native mobile apps. Other than the aforementioned, any kind of system integrations, microservices, system architectures/design, large scale batch processing, data analytics infrastucture, cicd pipelines, development process optimization, AI coding agent adoption & usage, you-name-it, have experience of.

Country

Japan

City

Sakura

Industry

Internet

Skill

Hybrid Cloud, Google Cloud Platform (GCP), Continuous Integration and Continuous Delivery (CI/CD), Reliability Engineering, Performance Monitoring, Software Engineering, Containerization, Microservices, Software Development, Web Development, Cloud Computing, Web Applications, Docker, React.js, Node.js, JavaScript, Java, Scala, Amazon Web Services (AWS), REST

Experience

Owner

Aawa Technologies

2025-4 - Present · 1 yr 6 mos

Sakura

Senior Software Engineer

Liberont Inc

2024-7 - 2025-3 · 9 mos

Tokyo, Japan

https://liberont.com/

Software Engineer (Senior / Tech Lead)

Rakuten

2023-4 - 2024-7 · 1 yr 4 mos

Tokyo, Japan

Assistant Manager

Rakuten

2022-3 - 2023-3 · 1 yr 1 mo

Tokyo, Japan

Software Engineer

Rakuten

2020-8 - 2022-2 · 1 yr 7 mos

Tokyo, Japan

Full Stack Engineer

Dr.JOY Inc.

2018-1 - 2020-6 · 2 yrs 6 mos

Within 23 wards, Tokyo, Japan

• Bank payment processing integration - design and implementation • Calendar integration (Google/Outlook) - design and implementation • Data processing infra (CSV import/export, etc.) - design and implementation • Search optimization (Elasticsearch) • Various development tasks related to the internal management system and the SaaS business offering Main technologies: Spring Boot, Java, TypeScript, Angular 4.x, GCP, gRPC, Kubernetes, Docker, microservices, MongoDB, PostgreSQL

Web Development Engineer

la belle vie Inc.

2017-4 - 2018-1 · 10 mos

Within 23 wards, Tokyo, Japan

• Net Promoter Score (NPS) system - design and implementation • Containerization of development environment • Various development tasks related to the company's flash sale EC site, gladd.jp Main technologies: Node.js, React, JavaScript, TypeScript, MongoDB, MySQL, FuelPHP, AWS, AWS ECS

Software Engineer

EIGHT Co., Ltd.

2015-5 - 2017-3 · 1 yr 11 mos

Within 23 wards, Tokyo, Japan

• Problem-solving booklet creation and management system - design and implementation • Fashion article publicity monitoring system - design and implementation • Advertisement design annotation tool - design and implementation Main technologies: Node.js, JavaScript, React, Redux, Laravel, MongoDB, Swagger/OpenAPI, HTML5

Personal Assistant to MP

Eduskunta | Riksdagen | Parliament of Finland

2013-5 - 2015-4 · 2 yrs

Helsinki, Finland

• Information lookup (legal, economic, news, etc.) • Drafting formal written questions to The Cabinet of Finland • Communication towards media • Scheduling and organizing meetings

Research Assistant

Aalto University

2013-5 - 2014-2 · 10 mos

Espoo, Finland

Assisting in research project "Software Industry Survey 2013" by BIT Research Centre

Summer Trainee

Nokia

2011-5 - 2011-9 · 5 mos

Espoo, Finland

Independent research related to cloud computing

Teaching Assistant

Aalto University

2010 - 2011 · 1 yr

Espoo, Finland

Assisting on the course "Introduction to Software Engineering" by Prof. Casper Lassenius.

Education

Aalto University

Computer Science

2011-9 - 2014-12 · 3 yrs 4 mos

major: Software Business and Engineering minor: Economics

The University of Tokyo

Creative Informatics / Natural Language Processing

2011-10 - 2012-9 · 1 yr

Research on Semantic Computing with JASSO scholarship. See: Kivikangas, P.; Ishizuka M.; Improving Semantic Queries by Utilizing UNL Ontology and a Graph Database, Proc. IEEE 6th Int'l Conf. on Semantic Computing (ICSC 2012), Palermo, Italy, pp.83-86 (2012.9)