Senior Full-Stack Engineer / Team Lead London, UK

Shun Inagaki

Senior Full-Stack Engineer / Team Lead in London. ~7 years across web products and databases; previously led a team of five. Experience across B2B SaaS (treasury, ERP, recruiting) and B2C products (job boards, community, and blog), in English and Japanese environments

About Me

Career History

Jun 2025 - Present SCSK Europe Ltd. London, United Kingdom (Hybrid)
Senior Full-Stack Engineer / Team Lead | Jun 2026 - Present
  • Plan and track product and team work in Jira, running several projects in parallel while still delivering hands-on.
  • Review the team's output so it meets the agreed specification and quality bar.
  • Architected the AWS infrastructure and migrated it from on-premises. Cut cost by automatically stopping unused resources, and improved security through the new architecture.
  • Moved source control to GitHub and improved CI/CD, productivity, and cost.
  • Tightened how the team signs in to development tools.
Senior Full-Stack Engineer | Jun 2025 - Jun 2026
  • Own full-stack development and operations of the company's in-house treasury / cash-management system in C# / .NET.
  • Introduced Jira and rebuilt the workflow across feature work, support, and incidents.
  • Ran pre-sales, service demos, requirements clarification, and customer implementations alongside development of a new service.
  • Support existing users of the in-house treasury / cash-management system by resolving technical questions
  • Technical lead on a Next.js B2B multi-tenant SaaS development project. On a mobile app analytics feature, worked closely with stakeholders to complete the project
  • Recognized for getting up to speed quickly and contributing across multiple projects; awarded the departmental Distinguished Service Award (one recipient per division) in the first year of employment
Mar 2021 - May 2025 Leverages Co., Ltd. Tokyo, Japan (On-site)
Full-Stack Engineer / Team Lead | Oct 2022 - May 2025
  • Led web application development from architecture through operations
  • Built sitemap generation into Laravel scheduled jobs, increasing organic search sessions by about 10%
  • Managed a team of five engineers, balancing cost, delivery time, and product quality
  • Worked with marketing, sales, and product teams on development priorities
  • Awarded top 3 ranking out of 120+ engineers in the company's bi-annual performance awards (April 2023)
Full-Stack Engineer | Mar 2021 - Sep 2022
  • Built full-stack features with Laravel REST APIs on the backend and React on the frontend
  • Designed and improved AWS architecture, and automated CI/CD with GitHub Actions
  • Improved admin workflows on a recruitment platform
Jun 2019 - Feb 2021 Lincs Inc. Tokyo, Japan (On-site)
Database Engineer
  • Developed batch processing programs using PL/SQL
  • Ran GoldenGate performance tests comparing Oracle 11g and 19c
  • Supported a large Oracle 11g to 19c migration, and improved slow SQL.
  • Compared SQL execution plans between Oracle 11g and 19c
  • Configured Linux virtual servers with Oracle DB using VMware Player for development and testing environments
  • Completed external technical training courses covering Java, SQL, Oracle DB, Linux, and HTML/CSS
  • Obtained certifications including Java SE8 Programmer II and Oracle Master 12c Bronze
Jan 2019 - May 2019 SOLIZE Corporation
Intern / Consultant Trainee

Education

2020–2022

MSc Computer Science

University of York

York, United Kingdom (Distance Learning) Merit

2017–2018

MSc International Business

University of Leeds

Leeds, United Kingdom Merit

2013–2017

BA Human Development

Kobe University

Kobe, Japan GPA: 3.45

Technical Skills

Programming Languages

TypeScript PHP Python C#

Frameworks

React Laravel Next.js .NET AWS CDK FastAPI React Native

Databases

MySQL SQL Server Oracle

Cloud / DevOps

AWS Azure Docker GitHub Actions Terraform Ansible

Languages

Japanese (Native) English (Professional working)

Get in touch

Have a question, a project in mind, or just want to say hello? I'd be glad to hear from you. Reach out through any of the channels below.