Principal SDE: Enterprise AI & Cloud Architect

Onebyzero; Singapore; On-site; SGD 180,000 - 280,000; Full time

Job summary

OneByZero in Singapore seeks a Principal Software Development Engineer I to set architecture and engineering direction across multiple engagement teams, tackling our most complex enterprise AI challenges in regulated environments.

This hands-on leader mentors engineers, defines platform standards, champions AI tooling, and partners with delivery leadership and clients to drive secure, scalable systems. Travel and onsite engagements across APAC may be required.

Qualifications

• 12 to 18 years of experience delivering and architecting production software at scale.
• 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 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

Engineering leadership

Hands-on engineering

Job description

OneByZero in Singapore seeks a Principal Software Development Engineer I to set architecture and engineering direction across multiple engagement teams, tackling our most complex enterprise AI challenges in regulated environments.

This hands-on leader mentors engineers, defines platform standards, champions AI tooling, and partners with delivery leadership and clients to drive secure, scalable systems. Travel and onsite engagements across APAC may be required.