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I am Sucipto Lay, a Senior Lead Engineer with 20+ years of enterprise development experience. I specialize in modernizing legacy platforms, building high-performance APIs, and leading DevSecOps initiatives in cloud-native environments. I have delivered secure, scalable systems across banking, logistics, and industrial sectors, and I excel at turning complex requirements into resilient architectures using .NET, TypeScript, AWS/Azure, containerization, and system integrations. I am a strategic technologist and technical leader who collaborates across product, security, and operations to drive measurable impact. My strengths include cloud-native design, high-throughput systems (1K+ TPS), security automation, and observability. I enjoy mentoring teams, delivering quality code, and guiding cross-functional efforts from concept through production.…I am Sucipto Lay, a Senior Lead Engineer with 20+ years of enterprise development experience. I specialize in modernizing legacy platforms, building high-performance APIs, and leading DevSecOps initiatives in cloud-native environments. I have delivered secure, scalable systems across banking, logistics, and industrial sectors, and I excel at turning complex requirements into resilient architectures using .NET, TypeScript, AWS/Azure, containerization, and system integrations. I am a strategic technologist and technical leader who collaborates across product, security, and operations to drive measurable impact. My strengths include cloud-native design, high-throughput systems (1K+ TPS), security automation, and observability. I enjoy mentoring teams, delivering quality code, and guiding cross-functional efforts from concept through production.

Sucipto Lay

Full Stack Developer, Web Developer, DevOps Developer, +2

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I am Sucipto Lay, a Senior Lead Engineer with 20+ years of enterprise development experience. I specialize in modernizing legacy platforms, building high-performance APIs, and leading DevSecOps initiatives in cloud-native environments. I have delivered secure, scalable systems across banking, logistics, and industrial sectors, and I excel at turning complex requirements into resilient architectures using .NET, TypeScript, AWS/Azure, containerization, and system integrations. I am a strategic technologist and technical leader who collaborates across product, security, and operations to drive measurable impact. My strengths include cloud-native design, high-throughput systems (1K+ TPS), security automation, and observability. I enjoy mentoring teams, delivering quality code, and guiding cross-functional efforts from concept through production.…I am Sucipto Lay, a Senior Lead Engineer with 20+ years of enterprise development experience. I specialize in modernizing legacy platforms, building high-performance APIs, and leading DevSecOps initiatives in cloud-native environments. I have delivered secure, scalable systems across banking, logistics, and industrial sectors, and I excel at turning complex requirements into resilient architectures using .NET, TypeScript, AWS/Azure, containerization, and system integrations. I am a strategic technologist and technical leader who collaborates across product, security, and operations to drive measurable impact. My strengths include cloud-native design, high-throughput systems (1K+ TPS), security automation, and observability. I enjoy mentoring teams, delivering quality code, and guiding cross-functional efforts from concept through production.

Available to hire

I am Sucipto Lay, a Senior Lead Engineer with 20+ years of enterprise development experience. I specialize in modernizing legacy platforms, building high-performance APIs, and leading DevSecOps initiatives in cloud-native environments. I have delivered secure, scalable systems across banking, logistics, and industrial sectors, and I excel at turning complex requirements into resilient architectures using .NET, TypeScript, AWS/Azure, containerization, and system integrations.

I am a strategic technologist and technical leader who collaborates across product, security, and operations to drive measurable impact. My strengths include cloud-native design, high-throughput systems (1K+ TPS), security automation, and observability. I enjoy mentoring teams, delivering quality code, and guiding cross-functional efforts from concept through production.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Principal Consultant / Engineer (Contract) at GrainCorp

June 1, 2025 - Present

Security Architecture & Identity Management: Engineered and implemented MFA framework for Timeslotting; integrated ADFS and Duo Security to harden the identity perimeter. Strategic Frontend Modernisation: led migration of CropConnect from AngularJS to Modern Angular with architectural overhaul and modular component design. Performance & Code Consolidation: redesigned core logic to improve maintainability and scaling. Functional Enhancements: delivered high-priority feature updates in parallel with modernization, ensuring zero disruption to growers and brokers.

Principal Consultant / Engineer (Contract via Synechron) at Commonwealth Bank of Australia

March 1, 2024 - June 30, 2025

Strategic AI Innovation: Pioneered an Agentic AI SRE Assistant using LangGraph and Next.js to automate EKS diagnostics and real-time log analysis with Prometheus-Grafana, triggering automated Jira remediation. Cloud Modernisation: Migrated legacy .NET 4.8 monoliths to .NET 8 microservices on AWS EKS via ArgoCD. Cyber Security: Hardened NetBank MFA Priority Messaging API using HashiCorp Vault for secrets and Kong for traffic orchestration. Enterprise Integration & DevSecOps: Built high-throughput integrations with Pega, SAP OData, and Oracle; established GitHub Actions and TeamCity pipelines with automated security/quality checks. Reliability & Observability: Achieved 1,000+ TPS via BlazeMeter tests; implemented comprehensive logging and audit compliance with Observe and Splunk. Cloud Infrastructure (IaC): Architected resilient AWS environments using ECS, ALB, and Aurora PostgreSQL with secure IaC practices.

Senior Lead Developer (Contract) at GrainCorp

March 1, 2015 - December 31, 2023

Legacy Modernisation: Architected migration of monolithic logistics and grower systems to scalable .NET 7 microservices with Docker for containerisation and MQTT for real-time messaging. Mission-Critical Delivery: Led development of CropConnect and Fastweight for real-time data flow between SCADA industrial systems and SAP. Performance Engineering: Optimised throughput and UX for container port management and real-time reporting. Engineering Leadership: Mentored junior engineers in modern architecture, unit testing, and Agile delivery.

Senior Consultant (Contract) at Object Consulting

September 1, 2014 - March 31, 2015

Cloud Integration: Orchestrated Azure-based system integrations for Microsoft Dynamics CRM to enable seamless data synchronization across enterprise finance platforms. API Development: Designed and deployed WCF APIs to support complex third-party integrations, including automated appointment synchronization with Google Calendar. Strategic Consulting: Advised on digital transformation roadmaps aligning technical implementations with business-critical CRM requirements.

Senior MVC .NET Developer (Contract) at Orient Capital, Link Group

June 1, 2014 - September 30, 2014

Platform Optimisation: Transformed legacy reporting platform using ASP.NET MVC, HighCharts, and Aspose for data visualisation. Code Refactoring: Implemented Dependency Injection and modern design patterns to improve testability and maintainability. Technical Design: Authored technical specs for feature rollouts aligning with stakeholder performance requirements.

Senior Developer (Contract) at AAS, Link Group

April 1, 2012 - June 30, 2014

Workflow Automation: Built automated document processing workflows using WPF, eFlow OCR, and TRIM 7.1 to reduce manual data entry. System Integration: Developed ETL tools and CRM integrations with SSIS and Pivotal CRM for high-volume financial data. Tooling Innovation: Created custom PDF post-processing utilities to streamline archival and retrieval.

Analyst Developer at Commonwealth Bank Australia

March 1, 2006 - April 30, 2012

Digital Banking Solutions: Delivered end-to-end features for flagship digital platforms, including CommSee and Margin Lending, as part of Agile squads. Reusable Frameworks: Architected reusable service layers and automated document processing frameworks to accelerate delivery. Enterprise Tooling: Built and maintained CI/CD tools and SAP-linked systems, bridging legacy banking cores with modern web interfaces. Cross-Functional Collaboration: Partnered with BAs and QA to translate banking requirements into scalable technical solutions.

Education

Bachelor of Computer Science at University of Wollongong

January 1, 2002 - December 31, 2002

Advanced Diploma in IT at University of Wollongong College

January 1, 2002 - December 31, 2002

Qualifications

MCAD – Microsoft Certified Application Developer (.NET)

January 1, 2006 - March 22, 2026

Industry Experience

Financial Services, Manufacturing, Transportation & Logistics, Professional Services, Agriculture & Mining, Software & Internet, Media & Entertainment, Other