Software architect

NEWTONE CONSULTING PTE. LTD.; Singapore; On-site; SGD 180,000 - 270,000; Full time

Job summary

NEWTONE CONSULTING PTE. LTD. is seeking an experienced Software Architect to lead end-to-end architecture of mission-critical systems in Singapore.

This role combines hands-on engineering with solution architecture, system integration, security, and technical leadership across teams, customers, and partners. You will own architecture across applications, middleware, data, and networks, drive improvements in performance, scalability, and security, and guide pre-sales through architecture

Qualifications

• Degree in Computer Science, Software Engineering, or related discipline.
• 8+ years in software/system engineering, including 3+ years in an architecture role.
• Proven experience architecting and delivering complex systems end-to-end.
• Strong hands-on development with Java, C#, .NET, C++, Python, or similar.
• Strong knowledge of APIs, messaging, system integration, Linux/Windows, containers/virtualization, and networking.
• Experience in government, defence, CII, or other mission-critical environments is highly advantageous.
• Strong communication skills with the ability to engage customers, management, developers, and vendors.

Responsibilities

• Own end-to-end software and system architecture across applications, middleware, data, networking, and security.
• Assess existing architectures and drive improvements in performance, scalability, resilience, and security.
• Lead integration of complex subsystems, APIs, messaging platforms, sensors, and third-party solutions.
• Act as the senior technical escalation point and define high availability, redundancy, and failover strategies.
• Provide hands-on technical support during integration, testing, FAT/SAT, and production implementation.
• Lead design and code reviews and establish software engineering and CI/CD standards.
• Embed security-by-design principles and support hardening, VA/PT remediation, and security accreditation.
• Support solutioning, technical proposals, architecture presentations, and effort estimation during pre-sales.

Skills

End-to-end architecture

Java

C#

C++

Python

APIs & Messaging

Security by design

Leadership & communication

Education

Degree in Computer Science/Software Engineering

Tools

CI/CD pipelines

Containers/Virtualization

Job description

We are looking for an experienced Software Architect to lead the end-to-end architecture of complex, mission-critical systems. The role combines solution architecture, hands-on engineering, system integration, security, and technical leadership , working closely with development teams, customers, and technology partners.

Key Responsibilities

• Own end-to-end software and system architecture across applications, middleware, data, networking, and security .
• Assess existing architectures and drive improvements in performance, scalability, resilience, and security.
• Lead integration of complex subsystems, APIs, messaging platforms, sensors, and third-party solutions.
• Act as the senior technical escalation point and define high availability, redundancy, and failover strategies.
• Provide hands-on technical support during integration, testing, FAT/SAT, and production implementation.
• Lead design and code reviews and establish software engineering and CI/CD standards .
• Embed security-by-design principles and support hardening, VA/PT remediation, and security accreditation.
• Support solutioning, technical proposals, architecture presentations, and effort estimation during pre-sales.

Requirements

• Degree in Computer Science, Software Engineering, or related discipline.
• 8+ years of software/system engineering experience , including 3+ years in an architecture role.
• Proven experience architecting and delivering complex systems end-to-end.
• Strong hands-on development and debugging experience with Java, C#/.NET, C++, Python, or similar technologies .
• Strong knowledge of APIs, messaging, system integration, Linux/Windows, containers/virtualization, and networking .
• Good understanding of high availability, performance, cybersecurity, and secure system architecture.
• Experience in government, defence, CII, or other mission-critical environments is highly advantageous.
• Strong communication skills with the ability to engage customers, management, developers, and vendors.