Steven Ringo Email & Phone Number

Sunshine Coast, Qld, Au

Melbourne, Australia

Developing ultra long-term sub-scalp implantable EEG recorders for the monitoring and diagnosis of epilepsy.

Sydney, Australia

Technology leadership role supporting software businesses (ISVs) to modernise and create software products on AWS.Assist ISV customers and partners with development of technical strategies to enable them to adopt and serve their products on AWS. Lead architectural discussions and design exercises to create world-class, well-architected solutions.Create proofs of concepts for adopting services for customers' new and existing applications, and deliver presentations at executive briefing centres (EBC) to build trust with customers in their adoption of AWS.Engage with customers and partners to help them, for example:- Migrate from legacy and monoliths to modern, microservices-based applications, with technology platforms including serverless, containers and event-based, asynchronous architectures.- Adopt and improve security, cost management, reliability and operational practice for performant and sustainable solutions.- Refactor data architectures and move from legacy relational database systems to purpose-built technologies, such as graph, cache, NoSQL, and immutable databases.- Discover data opportunities and monetisation with data analytics and AI/ML platforms and tools, and advise on API tooling and strategies- Evolve legacy applications towards multi-tenant global SaaS platforms. Develop collateral and conduct workshops, immersion days, and hands-on labs with customers and wider audiences. Present at AWS and allied conferences/events/videos, such as AWS Summit and AWS Case Studies.

Sydney, Australia

Lead the architecture of a transformation from siloed multi-vertical telco & energy environments into a combination microservices- and vendor-based platform, including integrating billing, payments, provisioning, CRM, marketing technology customer portals and the amaysim website.Architect a serverless, event-driven streaming architecture as the foundation to a customer data platform and company-wide integrations.Represented amaysim as a speaker at Serverlessconf NYC 2017.

Sydney

Independent cloud architect and software development consultant.

Sydney, Australia

Provide organisational guidance around cloud adoption perspectives. Creation of a cloud adoption framework and a maturity model for the IT organisation.Implementation of a foundational cloud platform that balances governance requirements without sacrificing agility. Implementation of tools covering security, operational, monitoring, governance and architectural concerns.Evangelising and seeding of DevOps, infrastructure-as-code and automation practices in selected teams.

Sydney

End-to-end management of “Enterprise Native Cloud” consulting engagements focused on the architecture and implementation of continuously-deployed, secure “cloud native” AWS-based solutions in the enterprise.Manage on-site pods of 3-6 individuals per team at enterprise customers and enabling upskill and knowledge transfer to their teams. Customers include AMP and NBNCo.Advise and consult on the establishment of AWS Cloud Centres of Excellence within the enterprise.Manage the software development lifecycle including requirements, implementation, code-reviews and automated testing in Ansible, Puppet, CloudFormation, Ruby, Python, Jenkins, GoCD, Packer and other tools.Development of best-practice patterns and practices for Versent engineers and consultants.Pre-sales engagements with prospective and existing customers.

Sydney

Lead the architecture and deployment of clinical software products to AWS in a compliant, regulated environment.Designed and deployed a secure, scalable, highly available solution in three AWS regions, in AP, US and EU respectively.Implemented architecture according to obligations dictated by the AWS shared responsibility model, HIPAA, EU data-protection and others.Implemented a deployment automation pipeline using CloudFormation, Ansible, AWS SDKs, Git, CI services and complementary self-built and open- source tools.Developed software components as part of a clinical recipient services solution, using Ruby, Rails, PostgreSQL and SQL Server.Integrations with Salesforce, Oracle and Cochlear’s proprietary server, desktop and mobile products in .NET, NodeJS, Couchbase and iOS. 

Create a feasibility study investigating a migration plan from traditional hardware-based vault-based datacentre hosting to cloud-based platforms, taking into account PCI and South African credit card privacy and legal regulations.Development of a pattern-matching engine to detect fraud in the use of stored-value cards.Guided the migration from ColdFusion and Java-based development platforms to Ruby.Implemented Agile project management practices using Scrum.

Sydney

Lead a team of developers to create a new billing system for Bigcommerce’s merchant clients to replace the incumbent WHMCS system.Architected a microservices-based application integrated with the Bigcommerce main application, Zuora e-commerce/billing platform, Salesforce, and TLD and PKI providers.Developed the core logic and persistence for the application.Designed a deployment model for implementation of the application on AWS.Worked with product managers and VP finance to ensure requirements were addressed and interpreted correctly.Implemented a continuous deployment pipeline using Git, TravisCI and S3.

Sydney

Design and deliver a new billing and usage measurement system for Ninefold’s Ruby on Rails PAAS. Implemented using Ruby, Postgres.API integrations with Citrix Cloudstack, Zuora and the proprietary Rails-PAAS portal application API. Advanced Zuora configuration and setup.Worked with the Ninefold CEO, commercial and development managers to interpret requirements and successfully deliver the project.

Sydney

Senior developer on a task-force team that delivered Fairfax Media’s masthead subscription billing platform.Designed, developed and configured the payment system interface and integration with Zuora and Fairfax Media’s proprietary content management system.Implemented a new project-wide software testing framework using Ruby- based behaviour-driven development tools.Played a key role in influencing Fairfax Media’s adoption of Ruby as a platform of choice for new and refactored projects. Fairfax are now a Ruby employer of choice and support many Ruby community initiatives.

Sydney

Successful delivery of, and responsible for the development and implementation of new corporate web presence & recipient portal.Responsible for the development of experimental software to assist habilitation of new recipients of cochlear implants.As part of the clinical software development team, delivered desktop-based clinician fitting software for cochlear implant recipients. C#, Microsoft SQL Server and Borland Delphi-based development.

Johannesburg

Founded and grew the company together with the CEO to become one of the largest stored-value card providers in Africa.Architect and lead technology of Tutuka’s core offerings: ISO-8583-based payment switching engine; point-of-sale terminal and application development; integration with acquirers and financial institutions.Negotiated contracts with 4 major shipping centre developers as well as large retail chains.Development and Implementation of Windows 2003, SQL Server, ColdFusion & Java-based infrastructure.Development and implementation of desktop clients.Development and implementation of custom credit-card terminal applicationsDevelopment and implementation of a voucher validation IVR systemHardware specification, acquisition and physical secure datacentre installation, rack-mounting and networking. Firewall and router configuration.Creation of technical sales presentations and tender response documents. Management & recruitment of technical team.

Johannesburg

Web design and development agency.Negotiated contracts with British Airways for their Sub-Saharan African web presence.Other clients included Ernst & Young (Intranet) and major South African banks.

Johannesburg

Electricity utility company (then 40k+ employees).Conducted electricity tariff, pricing and economic investigations.Presentations of findings to CEO and management board members.Development of software to analyse and inform electricity tariff and demand decisions.

Msc Engineering Management

Bsc Electrical Engineering