Denis O'Sullivan Email & Phone Number

Responsibilities★Software development of trading signals in NinjaTrader via NinjaScript(C#) to trade Crypto and US Futures★Implementation of technical analysis models in NinjaScript.★Implementation of live trading infrastructure in Python with Interactive Brokers.★Component and software architecture design of real time decision system.★Management of front end contractors with highly sensitive intellectual property.★Requirements analysis with domain experts (risk management, data science and technical analysis).★Working with a distributed team in Brisbane, Gold Coast, Bangkok, Sydney, Cleveland, Los Angeles.Highlights★Lean Startup approach to develop an initial implementation of automated trading system in NinjaTrader (NinjaScript C#).★Implemented Kubernetes and Istio infrastructure.★Implementation with Python API interface to Interactive Brokers API.★Implementation of Bar Chart data and Bar Chart SDK for displaying charts (React).★Implementation of Refinitiv (financial data source) integration to python.★Implementation of a reactive architecture.★Improved computation performance with Numba i.e. generates C++ compiled objects from python code.★Work with data science specialist conducting research in technical trading analysis methodologies.★Redis (Azure Cloud) implementation for caching and performance.★Integration with Azure cloud for storage.★Fail safe mechanisms implemented to notify staff on call via Splunk Ops.★Front end implementation with NodeJS and Reactjs including bar chart display.★Implement devops and release pipeline in Azure Devops for back end and front end.

Brisbane, Queensland, Australia

Software Development:★Design & Implementation: Build secure, scalable software tailored for cybersecurity.★Testing: Conduct comprehensive testing, including security validations.★CI/CD Pipelines: Set up automated deployment processes.Software Architecture:★System Architecture: Create a scalable, resilient system supporting AI workloads.★Security by Design: Embed security principles into the architecture.Machine Learning:★Algorithm Development: Implement ML algorithms for threat detection.★Model Training: Optimize models for accuracy and speed.★Explainability: Ensure AI decisions are transparent.Low-Code/No-Code:★User Interface: Develop an intuitive UI for non-technical users.★Tool Integration: Ensure compatibility with other platforms.

Brisbane, Queensland, Australia

Responsibilities:★Manage and extend automated scheduling code★Debugging triaging issues for different vehicle routing /scheduling applications★Create and extend existing API endpoints including YAML★Issue management in Confluence and Jira★Code repository management in Bitbucket and Github★Extend automated tests (Ruby/Cucumber)Highlights:★Improved scheduling algorithm performance in OptaPlanner (Java)★Improved vehicle routing / scheduling algorithm written in OptaPlanner (Java)★Improved service reporting exceptions in the schedule (Typescript)

Brisbane, Australia

Responsibilities:★Improve the stability and performance of a fleet management assignment algorithm used at more than forty mining sites in the world (manned and autonomous mining sites)★Implement new features in Java★Written and verbal explanations of mathematical algorithms to end users, business analysts, support staff, management and developers★Document issues in JIRA, review issues in Crucible and document software in Confluence★Add integration tests for changes to the optimisation algorithm★Ensure algorithm can run 24/7 for at least one month at customer sites★Reduce costs for site including queue time at loaders, hang time at loaders, tyre costs, shift change costs and travel costs★Help support and customer diagnose issues with performance of the algorithmHighlights:★ Reengineered fleet management assignment algorithm using domain design principles and object oriented programming★ Implemented scheduling algorithm to park up trucks at shift change within a specified window★ Removed significant technical debt in legacy product★ Improved the productivity of site running Autonomous trucks on visit in January 2016★ Gathered significant product improvements in UX and productivity when visiting end users for two weeks in January 2016★ Improved performance of new implementation with JProfiler to schedule trucks four destinations ahead★ Extensive documentation written on how scheduled assignment impacts the algorithm’s decision making processEnvironment★A member of a specialised four person team (one QA and three developers) developing Assignment algorithm

Brisbane, Australia

Software developer improving the mathematical algorithm which optimizes mine site production in MineStar.

Prepared and disseminated statistical information related to Queensland road crash data for ad hoc, weekly, month and annual reports.

Updated local government accounting reports to new reporting format from Delphi 7 legacy code.Highlights:★Developed over 15 Fast Reports 4 accounting reports from Delphi 7 legacy code using PascalScript, Delphi and ANSI SQL.★Pinpointed and resolved syntax and logic bugs in Delphi 7 legacy code.★Improved maintenance and performance of existing SQL queries by developing stored procedures in the Firebird SQL database.★Consulted with clients and negotiated custom report requirements. Implemented client specifications for custom reports receiving clients’ gratitude for expedient product delivery.

Highlights:★Reviewed research paper and compared with existing research and implementations.★Designed and developed a normalised database using MS SQL Server Express 2008 to accommodate the theoretical model.★Implemented the server side data dissemination model by creating a web application in C#.★Implemented the client side data dissemination interface with AJAX.★Conducted tests in an online environment to demonstrate the integrity of the implementation.

Developed an interactive tool ‘Sim Salinity’ as part of a Year 12 Information Technology Project in early 2004. Sim Salinity was an interactive tool used to visually communicate the effects of Salinity on the environment at exhibitions (e.g. Agricultural Shows). Highlights:★Researched the mathematics of 3 dimensional to 2 dimensional coordinate system projection.★Constructed a 3d engine in Flash using ActionScript based upon the projection mathematics.★Interviewed land science experts to determine realistic system behavior.★Integrated the 3d engine with an Access 2000 database and Visual Basic 6 platform.★Enhanced the software capabilities using Director MX and Lingo.★Presented live demonstrations of software to senior department officials and at public exhibitions.

Bachelor Of Laws (Honours)

Bachelor Of Science (Honours), Mathematics, 83

Thesis Topic: Efficient Timetabling using the Cross-Entropy method Supervisor: Professor Dirk Kroese Highlights: ★Implemented.

Bachelor Of Information Technology, Applied Computer Science, 94

★Implemented C/C++ programs using Object Oriented Programming principals. ★Implemented website using C, HTML and XML structures

Bachelor Of Science, Applied Mathematics, 94

Highlights: ★Investigated modeling roundabouts as a four server queue model by collecting data using a digital camera. Identified.