[IT] Full Stack Engineer [契約社員]

At Johnson & Johnson, we believe health is everything.

Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at https://www.jnj.com

Job Function:
Non-Standard

Job Sub Function:
Fixed Term Employee

Job Category:
Non-Standard

All Job Posting Locations:
Chiyoda, Tokyo, Japan

Job Description:

Job Summary

We are currently seeking Lead Full Stack Lead Engineer to join our team.

This position is a hands-on software engineering role responsible for developing digital healthcare solutions for our Japan market as the key focus, with options to participate in regional and global workstreams based on the individual’s interest and capabilities.

We collaborate to develop, craft and deliver high-quality business applications with Agile development rooted in Lean principles.

It is an inclusive, and creative environment with a strong emphasis on continuous improvement.

You will be partnering with all our business sectors to enable the future of healthcare in the digital world.

Responsibilities

• Leads squad engineers to build and maintain software, translating user stories from the backlog into working code, using modern design patterns and architectural principles

• Perform architecture review and analysis at the context, container, component and code level, across the full stack.

• Responsible for defining and communicating a shared technical and architectural vision to ensure solution is fit for its intended purpose

• Design architecture and systems utilizing an API-first and mobile-first approach

• You will look to develop clean code using practices like BDD, TDD, SOLID principles, OO design, pair & mob programming

• Drive testing and deployment of software solution, including ensuring sufficient automated testing to ensure solution quality

• You will use continuous integration & delivery practices (DevOps) & automated testing to improve software delivery speed & quality Updated as of 4 Jul 2025

• You will work in collaborative, product/platform focused teams to build customer centric experiences that will be used by employees, healthcare providers, patients and our communities

• Works with other Lead Engineers/squads to manage risks and solve, escalate, and track cross-squad dependencies and impediments

• Support Product Owner in defining stories and acceptance criteria

• Provide input on resourcing to address critical bottlenecks, onboard new squad engineers on frameworks and engineering processes

• Take ownership and accountability beyond individual results, always pushing the limits and challenging the statu...