Senior Software Engineer (A)***

This will be a 2-years direct contract position.

Responsibilities

• Lead, develop and own architecture blueprints.
• Analyze design options and document trade-offs.
• Decide on technology choices, integration patterns, and platform strategies.
• Collaborate with product managers, engineers, UX designers, and agency stakeholders to ensure architectures are feasible, aligned, and deliverable.
• Architecture and design reviews, enforce standards, and ensure solutions comply with security, data, and policies.
• Coach, guide, and mentor engineers on architectural best practices.
• Cultivate a culture of quality and sound design thinking.
• Identify architectural risks, integration complexities, and legacy constraints.
• Propose mitigation strategies and pragmatic solutions.
• Develop and maintain up-to-date architecture artefacts (reference architectures, decision records, integration maps).
• Produce multi-year technical roadmap, set organisation-wide architectural standards, and be the representative in technology forums.
• Stay abreast with emerging technologies, cloud-native patterns, and industry best practices.

Requirements

• At least a Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• Minimum 6 years of experience in software engineering or IT, with at least 3 years in a technical lead or principal engineer role.
• Track record of owning end-to-end architecture for production systems at scale.
• Stakeholder relationships management.

Experience in:

• Leading architecture across multiple teams or platforms
• Cloud architecture
• Designing secure systems — encompassing identity and access management, authentication flows, data protection, and compliance with security standards.
• Reading and reviewing code across relevant technology stacks (e.g., Node.js, React, Python) to ensure architectural intent is faithfully implemented.
• Producing high-quality architecture documentation — C4 diagrams, sequence diagrams, data flow diagrams, and architecture decision records (ADRs).
• Facilitate architecture workshops, design reviews, and technical spike sessions.

Understanding of:

• Microservices, event-driven architecture, API design (REST, GraphQL), and system integration patterns.
• Containerisation and orchestration technologies (Docker, Kubernetes).
• DevSecOps practices, CI/CD pipelines, and infrastructure-as-code.
• data architecture, including relational databases (MySQL, PostgreSQL) and data integration approaches.
• scalability, reliability, observability, performance, and maintainability.

Skills and Experience Advantages:

• AWS services (ECS/Fargate, Lambda, S3, RDS, API Gateway).
• Whole-of-government ICT systems and platforms (e.g., Singpass, MyInfo, NDI, GovTech shared services).
• IM8 policies and government ICT security standards.
• Disaster recovery planning and business continuity architecture.
• Sitecore CMS for content management and digital experience platform delivery.
• Imperva for web application security, DDoS protection, and data security.
• Decompose ambiguous business problems into structured, actionable architectural solutions.
• Balance ideal design against delivery constraints, technical debt, and operational risk.
• Certifications (e.g., AWS Solutions Architect Professional, TOGAF, GCP Professional Architect).

Ethos Search Associates Pte. Ltd.

EA License No: 13C6655

EA Reg No: R1988580 Jacky Chong