Bobby Tiernay Email & Phone Number

Canada

Bellevue, Wa, Us

Working collaboratively and cross functionally to evolve, innovate and build resilience into our core platform data architecture.

San Francisco, California, Us

San Francisco, California, Us

System architect responsible for guiding the evolution of Okta's product facing real-time analytics, reporting and related APIs.

San Francisco, California, Us

Acting system architect for the Analytics sphere

Toronto, Ontario, Ca

Responsible for delivering the infrastructure to process large scale cancer genome datasets produced by multiple data centres around the world and delivering a world class web portal for data dissemination and exploration. This involves the development and management of highly distributed and scalable frameworks such as Spark, Hive, Hadoop, Cascading, ElasticSearch and MongoDB running on bare metal, Docker, AWS and OpenStack environments.- Suggest, analyze and adopt technical solutions based on existing open source frameworks and tools- Write high level and detailed software specifications- Develop PoC, prototype and production grade software applications- Technically guide a team of 8 developers in designing and implementing software components- Establish development and coding best practices and guidelines- Supervise the full life cycle of the development process including operations and release management- Establish processes to ensure the quality of deliverables through automated code monitoring and testing- Perform technology watch and keep up to date with new open source and Big Data technologies

New York, Us

- Architected an Amazon AWS based Hadoop / Hive infrastructure for large data analysis of web logs which increased scalability and throughput while reducing up-front capital expenses- Produced a real-time trader dashboard using Spring MVC, Backbone.js, Require.js and Highstock saving the company money by enabling informed tactical decisions. Regarded by the CEO as one of the most crucial analytic tools at OANDA- Designed complex profitability attribution models and algorithms. Implemented next generation profitability engine increasing aggregate reporting accuracy to within 5% of currency hedger- Invested weeks of personal time to redesign Liferay reporting portal using Spring to increase testability, usability and performance. Added caching layer to improve average responsiveness by 80%- Introduced Groovy into the BI reporting stack, reducing report implementation time by 50%- Implemented several ETL services using Pentaho, MailChimp, Salesforce, AdWords, AdCenter, AppNexus APIs allowing the organization to gain valuable insight into marketing and sales initiatives.- Utilized data warehouse principles to create dimensional data models over MySQL and DB2 for efficient ad-hoc analysis and enterprise reporting- Debugged intricate Java permgen leak due to lingering classloader references using jmap and jhat significantly increasing uptime of our analytics portal- Mentored junior level programmers and analysts in Java / SQL and managed coop students to become highly effective team members

- Introduced Grails into the organization and standardized the corporate technology stack. Designed and developed three Grails web applications saving significant implementation costs- Developed and supported a JEE based electronic payment system running on JBoss, utilizing Spring MVC and EJB 3.0- Developed modern, cross-browser, standards based, object-oriented web applications using jQuery client-side scripting, Struts 2 as a server-side MVC framework, Spring 2.5 for middle tier support and JPA / Hibernate for persistence layer services running on Linux- Implemented multiple Java based Facebook applications increasing application exposure- Documented software requirements using use cases and use case diagrams- Estimated project time and work using work breakdown structures and scheduled tasks using MS Project- Developed and refined data models for MySQL 5.1 and Oracle 10g using ERwin- Used AOP / AspectJ where appropriate to modularize cross-cutting concerns which increased cohesion of the resulting system- Developed automated unit and integration tests using TestNG allowing for fine grained control of test suites- Created automated builds / deployments using ANT and Maven- Mentored coworkers in modern Java development tools, APIs, frameworks and methods- Created time saving software prototypes and code generators using Groovy- Managed time between a variety of domain specific applications including those of social networking, wine trading and horse racing

- Championed JAXB and XML Schema to automatically generate Java code saving significant development time over previous approach of hand binding XML and Java.- Used XML Schema to develop a data model for distributed message-based communication- Prototyped, designed, developed, tested, tuned next generation AJAX-enabled RIA for fraud analysis using Struts, Spring, DWR and Dojo- Ported Borland CORBA-based java back-end service to a JAX-WS web service saving the company thousands of dollars per installation- Developed and tested concurrent OLAP T-SQL stored procedures for fraud reporting and analysis- Developed, maintained, supported and extended a legacy C++ / COM / MFC / SQL Server 2000 based commercial check fraud prevention system- Designed and refined neural network and expert-based algorithms for fraud detection- Introduced build, testing and deployment automation using Java, ANT and VBScript- Technical writing including multiple product installation and user guides- Developed web and file based COM imaging interfaces for pulling external images- Developed a bank transaction file import framework in COM / C++ increasing software reuse- Remote and onsite installation, deployment, troubleshooting and training of product software- Interfaced with customers to resolve issues and elicit additional feature requirements- Gave weekly training to end users on how to use the product under development- Participated in sales meetings to introduce the product to potential clients- Mentored back-end developer in several topics including Java, Servlets, JAX-WS, Spring, T-SQL, item processing, fraud risk analysis and detection

Marlborough, Ma, Us

- Implemented a C++ framework for automated verification of pacemakers, leveraging an executable model of device behavior which eliminated a team of development resources- Refactored an existing software system from 100k to 10k lines of code utilizing standard OO design patterns, minimizing ongoing maintenance- Developed real-time C++ scenario-verifier components to test pacemaker firmware using VxWorks / Tornado environment- Implemented STATEMATE debugging add-on for runtime tracing of statechart behavior, utilizing Perl to generate and compile C code. This greatly reduced debugging time for firmware and test engineers- Used Perl to generate graphs and metrics from firmware logfile traces leveraging various CPAN modules saving significant logfile analysis time- Performed root cause analysis on pacemaker failures and communicated findings to systems engineers- Prepared, wrote and peer-reviewed user requirements, software design documents (UML) and test protocols of several regulated software tools / components- Managed a team of 3 programmers, effectively coordinating schedule and planning activities- Maintained internal process compliance with corporate and FDA standards- Participated in weekly risk management meetings to discover, characterize and discuss high risk items in a risk register