# Umar Wong > Software Engineer II at Tripadvisor | Viator Location: London, England, United Kingdom Profile: https://flows.cv/umarwong Former high school geography teacher turned software engineer currently fighting fraud by building state-of-the-art authentication solutions and real-time identity prediction systems based on Machine Learning and Reactive Programming. I’ve previously worked within the Front Office (IB) technology space specifically within the HSBC Equity Derivatives technology team in Hong Kong. Solving real world problems such as how to get Charlie to stay in his chair was fun but I have realised that solving real world problems as well as building a functioning product from a blank space is even more fun. ## Work Experience ### Software Engineer II - Payments @ Tripadvisor Jan 2023 – Present | London, England, United Kingdom ### Software Engineer II @ Viator Jan 2023 – Present | London Area, United Kingdom ### Software Engineer @ Callsign Jan 2020 – Jan 2023 | London, England, United Kingdom Software development (back-end) focused role working closely with data scientists and machine learning engineers to create a next generation authentication solution. Agile focused following the SAFE methodology, delivering in two week sprints. Key technologies used : Java 11 (Reactive, Spring), Python, GRPC, Kafka, Apache Superset, Cassandra, MySql, Docker, Kubernetes, AWS ### Co-Founder/Full-Stack Engineer @ Start-Up Jan 2020 – Jan 2020 Developing a modern order management system web application for tailor shops using React Native, Express, Node.js and MongoDB (MERN stack). Will be available on mobiles on iOS and Android as well as a website. ### Equity Derivatives IT @ HSBC Global Banking and Markets Jan 2018 – Jan 2020 | Hong Kong Development work focused on replacing an Excel based legacy Order Management System (OMS) for Sales and Structurers with a new Scala/C# and Javascript application to use to manage structured products. Enhancement and automation of existing Equity Derivative applications and processes. Platforms include Sophis, Horizon and in house built applications for structured equity derivative products. Key responsibilities include: • Developed a new Referential service using Java 8/Spring Boot REST technologies to expose all referential data of our structured products to implement in our new OMS for structured products. Converted the service to Scala to integrate it into the ETL to push and transform the data from Oracle to MongoDB format. Developed a new User service enhanced with LDAP information to further add to the ETL. • Development and bug fixing for in house Front Office web application using Python Flask for business users to self-service regular Sophis queries to IT • Daily liaison with stakeholders at all levels of the trade life cycle including structurers, traders, Middle Office, Ops and also developers and project managers on the IT side • Continuous improvement and maintenance of the monitoring accuracy of current systems using Geneos software • Manage production incidents in a timely manner to minimise impact to the business ### Software Developer Trainee (Java) @ FDM Group Jan 2017 – Jan 2020 | Hong Kong Completed the Java Development stream. Core knowledge of Object Orientated Development, JDBC, JPA, Spring Framework (MVC) and SOLID design principles. Key achievements: - Built an educational charity website using the Java Spring Framework. Technologies used include JPA, JUnit and Mockito testing frameworks, VCS (Git) and HTML5/CSS. - Developed a Bash shell script which acts a recycle bin which gained a score of 100% for functionality and clean code. Other key technologies learned include SQL, Excel/VBA, UNIX Command Line and Bash Scripting ### Teacher of Geography @ Regent High School Jan 2015 – Jan 2017 | London, United Kingdom • Experience teaching KS3, KS4 and KS5 classes in an inner London comprehensive school • Created schemes of work for both KS3 and KS4 • Assisted and led fieldwork at the KS4 and KS5 levels • Letter of recognition for excellent marking practice • Led creation of a fencing club as an extracurricular option ### Data Team - Academies Group @ Department for Education Jan 2014 – Jan 2014 - Responsible for the management and quality assurance of the Knowledge Information Management (KIM) database system used across the Academies Group. Also involved in the maintenance of school data in Edubase. - Created a quality assurance system on the micro and macro level in order to maintain the quality of the Academies Group data - Involved in the division level reporting and benefits analysis of the KIM system - Leading the planning and implementation of Microsoft Excel training across the Group ### International Teaching Associate @ Ministry of Education of Singapore Jan 2013 – Jan 2013 | Singapore • Employed on contract with MOE to teach Lower Secondary and O Level Geography at CHIJ St Joseph’s Convent • Aided the implementation of the new inquiry-based Geography syllabus with the development of critical thinking and Socratic questioning skills • Assisted the Geography department to implement the schemes of work throughout the year • Lower secondary For Teacher and Co-Teacher in charge of Fencing Co-Curricular Activity ### Advertising and Marketing Executive @ AGI Magazine Jan 2012 – Jan 2012 - Created new business opportunities by networking and representing the magazine at relevant events, such as those run by the China-Britain Business Council and Asia House Festival of Asian Literature - Liaised with new and current clients to secure advertisement deals for the magazine - Interviewed the Project Manager of the Matho Museum Project to write an article for the magazine. The interview was filmed and to be aired on French national television. My piece was subsequently published in the Dec 2012 issue ### Geography Ambassador @ Royal Geographical Society Jan 2010 – Jan 2012 - Required to promote the study of Geography and inform about career options in schools locally and around the UK. - Visits to schools involve presenting in front of classes and assemblies, running workshops and group activities. Some visits involve presenting and informing about a geographical topic pupils are studying. ### Intern @ Mayer Brown Jan 2008 – Jan 2008 - Shadowed an associate in the Employment department of the law firm. - Required to do a continuous research task on American gun laws and present a case on abolishment. - Required to cover and assist employees with workloads. Also observed a case at the Royal Courts of Justice and attended a departmental ‘knowledge’ meeting. ## Education ### PGCE in Geography University of Oxford ### BA (Hons) in Geography King's College London ### Maths in French, Geography Kingsbury High School ( Sixth Form) ## Contact & Social - LinkedIn: https://linkedin.com/in/umar-wong - Website: https://copymecopyyou.com --- Source: https://flows.cv/umarwong JSON Resume: https://flows.cv/umarwong/resume.json Last updated: 2026-04-05