Principal AI & Platform Architect – Enterprise Cloud (AWS)

ONEBYZERO PTE. LTD.; Singapore; On-site; SGD 240,000 - 360,000; Full time

Job summary

OneByZero PTE. LTD. seeks a Principal Software Development Engineer I to lead architecture and engineering direction across multiple engagements. You will define platform architectures for enterprise AI systems in regulated settings and elevate engineering capabilities across the firm.

You will mentor senior engineers, drive strategic technology choices, and champion scalable, secure production systems with strong AWS foundations across Southeast Asia and beyond.

Qualifications

• 12 to 18 years of experience delivering and architecting production software at scale.
• Recognized depth in system design, distributed systems, and cloud-native architecture.
• Extensive AWS expertise, including security, networking, and enterprise deployment patterns.
• Track record setting technical direction across multiple teams or a business line.
• Experience in regulated industries (financial services, telco, insurance) is strongly valued.
• Strong influence, communication, and stakeholder leadership skills.
• Continued hands-on engineering credibility.

Responsibilities

• Define architecture and technical strategy across multiple engagements, platforms, and teams.
• Lead the design of complex, large-scale, secure production systems for regulated enterprise clients.
• Set engineering standards, reference architectures, and best practices adopted firm-wide.
• Provide deep technical leadership on the most challenging delivery and reliability problems.
• Partner with delivery leadership, architects, and senior client stakeholders on technical direction and proposals.
• Drive build-vs-buy, technology selection, and platform investment decisions.
• Mentor senior and staff engineers, and grow the technical bench across teams.
• Contribute reusable platforms, accelerators, and frameworks that scale delivery.
• Champion responsible, effective use of AI tools across engineering.

Skills

System design

Distributed systems

Cloud-native architecture

AWS expertise

Leadership

Stakeholder management

Mentoring

Job description

OneByZero PTE. LTD. seeks a Principal Software Development Engineer I to lead architecture and engineering direction across multiple engagements. You will define platform architectures for enterprise AI systems in regulated settings and elevate engineering capabilities across the firm.

You will mentor senior engineers, drive strategic technology choices, and champion scalable, secure production systems with strong AWS foundations across Southeast Asia and beyond.