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 status quo • Design and implement scalable backend services using JavaScript, Java (Spring Boot), PHP • Conduct code reviews and mentor junior developers. • Optimize application performance and manage technical debt. • Ensure adherence to security, logging, and exception-handling best practices. • Identify and implement continuous improvement initiatives and optimize team operations for enhanced efficiency and productivity. **Requirements** • Tertiary education in the fields related to Computer Science, Information Systems, Information Technology, Engineering, or Mathematics • Business level English and Chinese skill, basic level Japanese • You have 5+ years of experience using two or more development languages (Java, JavaScript, Typescript, Python, .NET, React, Nodejs etc.) with experience in Object-Oriented programming and with at least 12 months in a technical leadership position • Experience in crafting and implementing API-based solutions using Cloud native platforms, for solutions that need to operate at scale • Strong understanding of Agile and Lean software development principles and values with proven experience working in a multi-functional team • Up-to-date understanding of modern software development & service delivery techniques (E.g. Software craftmanship, BDD, TDD, Clean Code & etc). • Hands-on experience with continuous integration, continuous delivery, and continuous deployment, and has worked in teams that has the ability to deploy to a production-like environment multiple times per day • Ability to interact, influence, lead across organizational hierarchies, and communicate potential risks and challenges proactively to stakeholders, ensuring alignment and transparency across the development process. • Experienced in working with diverse teams that are composed of team members from different backgrounds • Bonus points if you have knowledge of cloud technology such as AWS, Docker, or Kubernetes • You will have experience leading a team of 4-6 people **Preferred Experiences and Qualifications:** • Good knowledge of healthcare, business theory, processes, and process improvement Methedology