Technical Architect

Are you an architectural mastermind who thrives at the intersection of complex software delivery, hands-on engineering, and senior client consulting? A global, tier-1 enterprise platform provider is seeking an exceptional Technical Architect / Lead Engineer to join their high-performing Professional Services division in Tokyo.

In this role, you will work alongside a small team of elite consultants, business analysts, and functional experts to guide major industry clients and top-tier System Integrators (SIs) through highly complex, long-term ecosystem implementations lasting anywhere from 3 months to 2 years. This is a unique "customer-facing engineer" role that demands excellent technical design capabilities, object-oriented programming depth, and the communication skills required to negotiate technical architecture directly with client stakeholders.

Key Responsibilities

Collaborate closely with Japanese enterprise clients to uncover system integration requirements, address technical bottlenecks, align designs with business goals, and author comprehensive integration blueprints. Architect Scalable Ecosystems: Design and develop secure system integrations linking our high-scale cloud-native platform with complex internal and external legacy environments using specialized enterprise frameworks.

Manage Enterprise Data Flow: Oversee data pipeline integrity and real-time data flows between core applications and external downstream systems to ensure zero data loss. Drive Innovation via Po. Cs: Execute agile Proof of Concept (PoC) initiatives to validate integration approaches, assess structural feasibility, and demonstrate technical capability to client teams.

Act as a Strategic Feedback Bridge: Serve as a key representative to the client while collaborating with global internal engineering and product management teams to share regional product feedback continuously, strengths, and upgrade strategies.

Requirements

Native/Fluent Japanese (JLPT N1 level or equivalent) with a deep grasp of Japanese business practices, paired with professional English skills (TOEIC 700+ or equivalent) for internal global engineering alignment. Proven Track Record: 7+ years of combined experience spanning hands-on software development and professional IT consulting (with a minimum of 3 years dedicated to each domain).

End-to-End Delivery Leadership: Demonstrated success acting as a technical lead for large-scale enterprise deployments, managing the complete lifecycle from requirements gathering and architecture design to code reviews, testing, and production release. Technical Architecture Depth: 2+ years of hands-on object-oriented programming (e.

g., Java, C#), 2+ years of experience with relational databases, and solid exposure to major cloud platforms (AWS or GCP). Post-Go-Live Support: Prior experience acting as the primary technical point of contact for clients navigating version upgrades, optimization reviews, and new feature adoptions. Preferred/Nice-to-Have Skills Professional domain knowledge within specialized financial services or the Property & Casualty (P&C) insurance landscape (policy management, claims processing, etc.)

Familiarity with modern integration methods (REST, JSON-RPC, SOAP, MQ) and microservices architecture. Experience with CI/CD delivery pipelines (Git, Team. City) and observability suites (Datadog).

Benefits

A work environment that encourages individual initiative, experimentation, and continuous improvement. Impact: The opportunity to solve real-world insurance problems at scale for some of the largest financial institutions in the world. Autonomy: A low-bureaucracy structure that minimizes hierarchy and empowers great people to do great work.

Collaboration: Work alongside a team of elite engineers, business analysts, and global product managers in a financially strong and growing organization. Inclusivity: Join an equal-opportunity workplace that values diversity of perspective, culture, and experience as a core pillar of success. Competitive compensation: The compensation of this position is based on your years of experience, market standard and interview performance.

Ready to tackle the complex technical challenges of the 2026 market?