Distribution Systems - Technical-Development Team Manager

Location: Sumida-ku

Time Type: Full time

Job Description

AIG Sonpo Japan is seeking an experienced Technical/Development Team Manager to lead a subject matter expert team, drive transformation and upgrade projects, and act as a future successor for senior leadership roles. This role requires a bilingual leader with strong technical understanding, project delivery expertise, and proven ability to manage and motivate Japanese subject matter expert teams while collaborating with engineering team, vendors and IT and business stakeholders.

This is a long-term, strategic role for candidates looking to combine hands-on technical oversight with people leadership and project execution.

Duties & Responsibilities

• Lead and manage subject matter expert team, providing direction, coaching, and motivation while ensuring collaboration with engineering team, vendors and internal stakeholders.
• Oversee and execute transformation projects, immediate focus will be technology upgrades , bringing engineering mindset to solve the problem and in a long term including application rationalization (slimming down from ~50 apps to 10–20 through consolidation and decommissioning).
• Deliver cloud migration initiatives, moving applications to AWS Cloud with a focus on scalable, cost-effective architectures.
• Partner with user-facing and business teams to ensure seamless delivery of customer-facing systems.
• Act as a bridge between management and technical teams, ensuring clear communication, problem-solving, and effective project execution.
• Prepare to act as a successor to the current leadership role, with the ability to step up into a senior manager role in the future.
• Maintain oversight of development standards, code quality, and best practices while ensuring security, compliance, and performance optimization.

Accountabilities

• Successful execution of application transformation and consolidation projects.
• Smooth cloud migration delivery on AWS environments.
• Building a strong, collaborative team culture, ensuring high productivity and retention.
• Driving innovation and problem-solving across vendor and internal teams.
• Acting as a trusted deputy to senior management, ready to assume higher responsibilities.

Required Technical & Leadership Skills

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 10+ years of IT/development experience, with at least 3–5 years in a leadership or team management capacity.
• Proven track record delivering transformation/upgrade projects, ideally in insurance, financial services, or large-scale enterprise systems.
• Strong knowledge of AWS Cloud services, serverless architecture, and database migration/tuning (Oracle, PostgreSQL).
• Background in Java, Spring Boot, Angular enterprise systems (hands-on not mandatory but strong technical understanding required).
• Experience working on application rationalization projects (merging/decommissioning apps).
• Strong people management skills with proven success leading Japanese engineering teams.
• Bilingual – Japanese (N1/N2) and English (business fluent).

Languages

• Japanese: Advanced (N1 or N2)
• English: Advanced

At AIG, we value in-person collaboration as a vital part of our culture, which is why we ask our team members to be primarily in the office. This approach helps us work together effectively and create a supportive, connected environment for our team and clients alike.

Enjoy benefits that take care of what matters

At AIG, our people are our greatest asset. We know how important it is to protect and invest in what’s most important to you. That is why we created our Total Rewards Program, a comprehensive benefits package that extends beyond time spent at work to offer benefits focused on your health, wellbeing and financial security—as well as your professional development—to bring peace of mind to you and your family.

Reimagining insurance to make a bigger difference to the world

American International Group, Inc. (AIG) is a global leader in commercial and personal insurance solutions; we are one of the world’s most far-reaching property casualty networks. It is an exciting time to join us — across our operations, we are thinking in new and innovative ways to deliver ever-better solutions to our customers. At AIG, you can go further to support individuals, businesses, and communities, helping them to manage risk, respond to times of uncertainty and discover new potential. We invest in our largest asset, our people, through continuous learning and development, in a culture that celebrates everyone for who they are and what they want to become.

Welcome to a culture of inclusion

We’re committed to creating a culture that truly respects and celebrates each other’s talents, backgrounds, cultures, opinions and goals. We foster a culture of inclusion and belonging through learning, cultural awareness activities and Employee Resource Groups (ERGs). With global chapters, ERGs are a cornerstone for our culture of inclusion. The talent of our people is one of AIG’s greatest assets, and we are honored that our drive for positive change has been recognized by numerous recent awards and accreditations.

AIG provides equal opportunity to all qualified individuals regardless of race, color, religion, age, gender, gender expression, national origin, veteran status, disability or any other legally protected categories.

AIG is committed to working with and providing reasonable accommodations to job applicants and employees with disabilities.  If you believe you need a reasonable accommodation, please send an email to [email protected].  

Functional Area: