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