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Senior Java /.NET Solution Architect & Technical Lead

Islandwide, Singapore
Full TimeInformation Technology

Job Description

Role Summary We are seeking an experienced Senior Solution Architect / Technical Lead to lead the design and delivery of mission-critical enterprise applications. The successful candidate will drive architecture, technical governance, AI-assisted software engineering, cloud-native modernization, DevSecOps adoption, and engineering excellence while leading high-performing delivery teams. The role requires strong experience in Java and/or Microsoft .NET ecosystems, modern cloud-native architectures, secure software engineering, AI-powered development tools, and delivery within highly regulated government environment

Mandatory Qualifications

  • Bachelor’s degree in Computer Science, Engineering or related discipline.
  • 12–18+ years of enterprise software engineering experience.
  • 5+ years as Solution Architect or Technical Lead.
  • Experience leading enterprise-scale government or regulated industry projects.
  • Hands-on coding capability (not purely managerial).
  • Experience leading Agile/Scrum delivery teams. Preferred Certifications

Microsoft

  • Azure Solutions Architect Expert
  • Azure Developer Associate
  • Azure AI Engineer Associate
  • Azure DevOps Engineer Expert

Cloud

  • AWS Solutions Architect Professional
  • AWS Developer
  • Red Hat OpenShift
  • Certified Kubernetes Administrator (CKA)
  • Certified Kubernetes Application Developer (CKAD)
  • Kubernetes and Cloud Native Associate (KCNA)

Security

  • CISSP
  • CCSK
  • CCSP
  • Certified DevSecOps Professional
  • GIAC Cloud Security Architecture
  • TOGAF
  • Zachman
  • ArchiMate

Nice-to-Have Skills

  • Platform Engineering
  • Internal Developer Platforms (IDP)
  • Backstage
  • Crossplane
  • ArgoCD
  • FluxCD
  • Dapr
  • Istio
  • Kong Gateway
  • NGINX
  • Redis Enterprise
  • Apache Ignite
  • AI Coding Governance
  • FinOps
  • Green Software Engineering
  • Chaos Engineering
  • Performance Engineering
  • Digital Twin architectures
  • Low-code platforms (Power Platform, Mendix, OutSystems)
  • Site Reliability Engineering (SRE)

About Rapsys Technologies Pte. Ltd.

First seen: July 10, 2026
Last updated: July 27, 2026