Pacom Systems

Software Architect | May 2020 - April 2022 | 2 years

• Pacom Systems, a subsidiary of Stanley Black & Decker is a market leader and specializes in developing physical access control and Intrusion detection systems including hardware and software components – The lead architect responsible for the software side of the business

• The lead architect responsible for the product convergence strategy, unifying 3 existing legacy products and moving them as a single product into the public cloud

• Experience in working with multi-cloud providers, Azure, and AWS with services such as EC2, VPC, S3, SNS, SQS, SES, ECR, VPN, Route53, Storage Accounts, ACR.

• Experience in Azure DevOps, using agile boards, Git repositories, Nuget artifacts, authoring build and release pipelines, configuring and managing VSTS agents and pools

• Experience in designing and developing infrastructure-as-code using Packer, Terraform and Ansible frameworks for provisioning truly on-premise air-gapped and hybrid multi-cloud resources.

• Experience in designing event-driver architecture, decomposing cross-cutting functionalities and non-functional requirements such as Administration, Auditing, Authentication, Authorization, Availability, Caching, Configuration, Deployment, DevOps Automation, Error Handling, External Interfaces, Fault Tolerance, Licensing, Logging, Monitoring, Packaging, Performance, Reliability, Routing, Scaling, Security, Telemetry.

• Experience in designing with middleware technologies such as RabbitMQ and frameworks such as MassTransit

• Experience in designing observability using OpenTelemetry with Zipkin for tracing, Grafana for metrics, and ELK for logging, benchmarking performance attributes for architectural components

• Experience in designing architecture in a Cloud-agnostic way to prevent vendor locking and optimize flexibility

• Key stakeholder for the product roadmap, strategy, pricing, projects placement/estimation/scheduling/budgeting, and cost owner in OP budget for architecture

AMP Capital

Technical Lead (.NET and DevOps) | October 2019 - May 2020 | 8 months

• As the Engineering Practices Lead for the Public Markets portfolio, I have optimized the development, DevOps, and deployment processes for both in-house applications and systems provided by vendors.

• I have spearheaded the containerization initiative using Docker and led the AWS migration of diverse on-premises applications, crafting hybrid solutions that leverage both on-premises and cloud assets for a phased migration strategy.

• My expertise includes deploying containerized Windows applications authenticated via Active Directory, configured behind IIS web servers and network proxies.

• I am skilled in setting up AWS Kubernetes (EKS) and container services (ECS Fargate and EC2) clusters, utilizing both Windows and Linux nodes.

• I have developed infrastructure-as-code using AWS CloudFormation scripts and managed cloud resource provisioning and configuration with Ansible.

• My experience extends to creating fully serverless applications with ASP.NET Core and AWS Lambda, deploying them within ECS Fargate and ECS EC2 cluster environments.

• Additionally, I am proficient in building and deploying applications through CI/CD pipelines using tools like Bitbucket, Teamcity, Jenkins, Octopus Deploy, and AWS ECR.

Temenos

Senior .NET Developer / DevOps | March 2018 - October 2019 | 1 year 8 months

• I have experience in redesigning monolithic applications and transitioning them into services based on microservice architecture. This includes deploying and scaling microservices within a Kubernetes cluster and provisioning them with a service mesh, specifically Istio. I am adept at producing and consuming JSON Web Tokens (JWT) for API authentication using OpenId Connect.

• My expertise extends to designing and developing WebApi/MVC applications utilizing .NET Core v2 and the Microsoft Blazor web framework, following architectural patterns such as layered, clean, and hexagonal.

• I am skilled in applying design patterns and writing unit tests using the Arrange-Act-Assert pattern with xUnit, as well as creating stub/mock objects with FakeItEasy/AutoFixture. I have experience in scaling applications for performance using RabbitMQ.

• Additionally, I have experience in building, storing, updating, and deploying application containers; deploying and scaling infrastructure service stacks (database, message queue, web server) across Docker clusters; and building, deploying, and scaling both Linux and Windows containers. I am also proficient in containerizing WCF SOAP and WebAPI REST services.

• My capabilities include automating infrastructure and application provisioning using Ansible scripts, Windows automation, and utilizing MS Build from Ansible scripts. I have deployed Docker containers on Docker hosts and Swarms using Ansible, as well as in Kubernetes clusters.

• I have automated continuous integration and deployment processes using Concourse CI, a container-based CI/CD platform.

• I am experienced in provisioning cloud infrastructure resources and defining infrastructure-as-code in both Azure and AWS environments using Terraform.

• My professional background also encompasses conducting feasibility studies, estimating project efforts and schedules, and performing code reviews, design reviews, test case reviews, and peer reviews.

Wesfarmers

Senior .NET Developer | November 2017 - March 2018 | 5 months

• I spearheaded the design and development of an employment contract portal, utilizing a robust stack that includes ASP.NET Core, WebAPI, MVC, Razor Pages, Entity Framework Core, TypeScript, Angular4, and Node.js.

• Additionally, I undertook the comprehensive redesign of WISESB, our proprietary B2B integration and middleware system, enhancing its functionality and user experience.

Commonwealth Bank

Lead .NET Developer | June 2016 - October 2017 | 1 years 8 months

• Hands-on Senior/Lead .NET developer at Commonwealth Bank of Australia (CBA) for the architecture, design, and development of Virtual Express, an MVC5/WebAPI2/Angularjs based self-service automation system for creating, deploying and extending LISA/DevTest virtual services.

• Responsible for the enhancements and maintenance of Service Cockpit, an HTML5/MVC5/WebAPI based dashboard, test automation and monitoring system for running LISA, Frisby, Postman, and Mountebank tests scripts.

• Extensive experience designing and developing event-driven and message-based systems using messaging middleware such RabbitMQ, MSMQ and service bus frameworks such as NServiceBus, MassTransit, ReBus, EasyNetQ, MementoFx.

• Extensive experience in dependency injection (DI) using IoC (Inversion of Control) containers such as Unity, AutoFac, SimpleInjector, StructureMap, and NInject.

• Experience in designing applications using SOLID principles, n-tier/layered architecture, SOA and microservices, design patterns such as Factory, Strategy, Decorator, Proxy, Command, Chain of Responsibility.

• Experience in using and developing the web, Windows and mobile applications using RDMS databases such as MSSQL, MySql, SqlLite, NoSQL databases/datastore such as MongoDB, Redis, Memcached, embedded database like LiteDB, RavenDB and ORMs such as Entity Framework, Dapper (MicroORM).

• Experience in using NancyFx for creating embedded web and WebAPI applications, Quartz for scheduling tasks hosted over Windows services using Topshelf.

• Experience in setting up CI/CD (Continuous Integration and Continuous Delivery) pipeline and using tools such as Git, GitHub, Stash/BitBucket, TFS, Jenkins, TeamCity and Octopus Deploy.

• Experience in designing and developing applications using AWS (EC2, S3, SQS, SNS) and Docker containers.

• Experience in the feasibility study, project effort and schedule estimation, code review, design review, test case review and peer reviews.