Beyond Sigma Technologies Meet Some Of The Team

Our dynamic team members provide a powerful set of skills, experience and qualifications paving the way for innovative technologies. They share their passion, collaborative values, protocols and methodologies to achieve ultimate success.  Meet some of the team:

Nigel Slack-Smith Chief Technology Officer


Nigel has over 25 years’ experience as a professional software developer, all of which has been for financial institutions. Over the last 18 years Nigel has specialised in the development of highly scalable enterprise trading and risk management software, products and solutions.

Nigel has served as technical lead across Banks, Exchanges and Independent Software Vendors. He more recently held the position of Vice President – Risk Management Software Development for Nasdaq from 2011 to 2018. His responsibilities included the development of technology, strategy, software design and architecture.

Prior to these positions, Nigel has worked as a registered Futures advisor and pit trader, Lead Software Developer in derivative trading systems for the CBA Institutional Division (covering interest rate options, currency options and swaps), co-founder and Managing Partner of KASM Solutions (trading and risk management software) and CTO of Razor Risk Technologies.

Steve Becchio Senior VP Engineering


Steve is an experienced technology leader with over 25 years experience in enterprise systems design and development. His background includes senior roles on large scale projects and international client engagements.

He brings a strong skill set with extensive experience in both information technology and financial markets, along with a proven ability to think both strategically and creatively.

Previously, Steve served in senior systems development and management roles within the financial markets for major international banking and clearing exchange clients. These include Commonwealth Bank of Australia, Royal Bank of Canada, HSBC, KPEI, Treasury Corp Victoria and CDCC (Montreal).

Steve holds a Bachelor of Applied Finance (Economics) and a Master of Business Administration (MBA) from the Macquarie Graduate School of Management in Sydney.

Dennis Hon Senior VP Engineering

Application architect with over 20 years of experience in Finance and Manufacturing IT industries.

Experienced in building in-house solutions that cover from front-to-back, and risk management of derivatives trading across multiple asset classes such as interest rate, currency, and commodity.

Prior to joining BST, spent many years working with tier one financial institutions such as CBA (last 6 years), ANZ, NAB, RBC, HSBC, ASX, LCH, IDCG.

Specialising in implementation of quantitative models, high performance computing, real time mission critical and distributed systems.

Dennis holds a Bachelor of Science, Computer Science and Applied Mathematics from the University of Sydney.

Weir Ying VP Engineering

Weir Ying is a Software Engineer who specialises in the development of high performance and distributed applications. He has extensive experience in software development processes and methodologies, web development, network security and financial risk management systems.

Weir literary contributions include his Thesis on Design methodology for Ontology-based Multi-Agent Applications. Published paper “Ontology Engineering in eFinance” in the first Asian Semantic Web Conference, Beijing 2006. Published Journal “An Ontology Driven Multi-agent Approach to Integrated e-Health Systems” International Journal of E-Health and Medical Communications (IJEMHMC) 2008 and Published Journal “The development of ontology driven multi-agent systems: A case study in the financial services domain” in Computing and Informatics Journal No.3 April 2009.

Weir holds degrees in Software Engineering, Finance and a Masters in Semantic Web Technologies from the University of New South Wales.

Chuck Zheng Software Engineer

Chuck Zheng is a Web Developer who graduated from University of Technology Sydney and specialised in developing cloud based web applications that utilize a comprehensive technology stack within an international team.

He is both driven and self-motivated, and is constantly experimenting with new technologies and techniques. Chuck is very passionate about Web Development and continually strives to better himself as a developer, and make contributions to the development community.

Chuck has experience in writing and deploying applications in Java, Python and JavaScript and he is proficient in HTML/HTML5, CSS/CSS3, LESS, SASS, XML, jQuery, AJAX and using different database language.

Chuck is always curious, and enjoys work that challenges him to learn something new and stretch in a different direction. He likes to stay on top of changes in industry trends and emerging technologies so that he can meet challenges with tools well suited to the job at hand.