Lance Barry Paine

L B Paine Ltd London, England June 2013 – Present

Director

I founded L B Paine Consulting Services in 2013 to share my experience and skills with a wider audience.

Clients:

Home Office Digital: Apr 2016-present

• Part of a central team which helps to ensure and improve standards of development across the Home Office, using a platform based on Kubernetes
• Tech lead of a delivery team on a project which had stagnated over years.
  • Used kanban to visualise where problems were occuring, and have redesigned and redeveloped the tool
  • Realigned the project with user needs. Conducted user research.
  • Moving the existing project from a fragile chain of Scala, PHP and mysql to a reactive application using
    • scala and scalajs with a ReactJS Single Page App, Play and akka-streams, with some akka-persistence
  • Attained a 1000x speed up in application performance (some of the calc is done by call existant R scripts with Renjin)
• Tech lead on discovery into Seized Goods. Developed prototype android app that reduced what is currently a 20-50 minute process into less than 30 seconds
• Wrote some data import scripts in Clojure
• Tech lead in an agile discovery into Emergency Services APIs. Wrote prototypes using falcor to wrap a RESTish api. Investigate feasibility of using Datomic to store PNC data

Virtual Clarity / Data Science Team: Oct 2015–Feb 2016

• Developed an ingestion pipeline to bring data into Hive. Spiked (prototyped) solutions with Kafka, and Spark Streaming
• Designed and developed an Angular.js and D3.js frontend for visualisation of data, queries over Drill
• Wrote Spark services in Scalatra and Spray to enable timely visualisation of data in web frontends, deploying the services in docker containers to Marathon over a Mesos cluster, and later via AWS, ingesting into Hive
• Mentored Data Scientists on Software Development practices

Bank of America Merrill Lynch: Sept 2013–Oct 2015

Languages/Tech: Scala, Kafka, Python, WPF, Scalatra, Dropwizard, Angular.js, JavaScript and Coffeescript, D3.js, Mithril.js and HTML.

• Senior developer on a project to introduce strategic Scala Event-Sourced OFAC scanning process into core Settlements processing for global trade flow. This went live, on time, with no issues
• Broke monoliths into smaller services, communicating over Apache Kafka, leading to massive increases in the number of simultaneous clients
• Drove replacement of existing, aging UIs in proprietary stack with HTML and JS technologies to improve user experience.
• Working in a heavily paired environment using Kanban for Kaizen continuous process improvement and estimation - improving both the development process and the Operations users interactions with the software systems they use.
• Introduced patterns for better monitoring & analysis of application issues (using ZMQ)
• Improved responsiveness and startup times of several GUIs by 100x by applying asynchronous and reactive patterns
• Designed and built chat services with ElasticSearch and Angular front end to enable collaboration between reconcilers and trade settlements operations teams

UBS London, England Nov 2010–June 2013

UBS are a world-renowned Swiss Investment Bank and Wealth Management firm.

Senior Developer — Cash Equities — Core Data Services Dec 2012–June 2013

Senior developer on global team (CDS) that provides static data mastering and distribution services to order management streams

• Analysis and reporting on existing infrastructure for senior management
• Encouragement and mentoring in best practices - code review, unit testing
• Maintenance of Java and JSP services and improvements in their build and deployment
• Investigation and prototyping of replacements of existing components - Play, Scala, Scala Test etc.

Senior Developer — Trading Guis (Cash Equities) Nov 2010–Dec 2012

Senior Developer with 2 other Senior Developers in London, 1 Junior in London, 5 off-shore in Poland, and 3 developers in USA.

• Extended and maintained a C# trading application that provides a view on multiple order streams and is used by traders and support staff. App has an micro-services architecture with low-gc or zero-gc approaches in both services (Java) and client (C#)
• Championed a drive for maintainable, clear code with a test-first focus, with a focus on test-as-specification, and team (and wider department) adoption of daily stand ups and other agile practices.
• Wrote a very well received visual designer for Custom Algos using Visual Studio Isolated shell and the MS Visualization and Modeling SDK, improving lead-time for the development of custom algos for clients from weeks to hours with significant reductions in errors due to automated validation
• Mentored more junior developers in multiple international offices
• Talked directly with traders to establish business requirements and take them to completion
• Streamlined release procedures to enable one click deployments with tracking of releases
• Re-designed large parts of error prone initialization code to be declarative and driven by attributes, improving testability in the process
• Modernized Java web-app for controlling routing with extensive use of jQuery to give it a face-lift and make it compatible with modern browsers

GETCO (now KCG Ltd)London, EnglandSept 2009–Aug 2010

Senior Developer

GETCO were one of the world’s leading High Frequency Trading and Market Making Firms with offices in four cities across 3 countries.

I worked with .Net 3.5 and 4.0, with MVC.net and WPF, Sql Server, Vertica (columnar database) and Python

• Designed and developed network latency reports with Vertica Database backend, MVC.net front end with data captured by endace packet capture cards.
• Optimized queries - educated users (other developers, traders and clearing staff) on more efficient SQL, often productionising queries into regular or on-demand reports.
• Designed and developed GUI for monitoring and transferring position between trading models.
• Contributed to framework for client-side tools for trading systems monitoring using C# 4.0, WPF, MVVM Foundation and RX Framework

TFG Fund Services London, England Sept 2008–Aug 2009

Senior Developer

TFG Fund Services provides trade lifecycle management software and professional services to Hedge Funds. TFG’s trade flow platform is a distributed system with servers primarily written in C++ with C#, WinForms and ASP.net for the presentation layers.

• Worked on the full-stack, from new screens and visualisations for traders, to interfacing with Bloomberg’s B-PIPE for market data
• Introduced TDD and continuous integration leading to reduced lead-time and increased certainty of correctness at release time
• Slashed build times from in excess of one hour to minutes

DX3 Technologies Ltd London, England Jan 2008–Sept 2008

Head of Technology

DX3 Technologies is a digital media services company, providing a digital media delivery service to PC and Mobile, with deployments in the UK and ZA serving clients across Europe and Africa. The platform was .Net 3.5, with a SQL Server 2005 hosted on Windows Server 2003, and many components exposed via SOA web-services. The web front end uses Apache and PHP 5.

• Introduced Scrum as an agile methodology. Resulted in vastly increased transparency of development, and greater efficiency for the development team while also improving their morale
• Led a team of 5 - 2 .Net developers, 2 PHP developers, and 1 Systems Engineer
• Dealt directly with clients to establish new system requirements
• Migrated the system from .Net 1.1 to 3.5, while improving the number of simultaneous clients on the web server by 1000 times
• Managed network with 40 servers and more than 40 terabytes of network attached storage on a Windows Server 2003 Domain
• Introduced formal coding standards, and development with automated testing and continuous integration

Gloucester Research London, England Nov 2005 – Sept 2007

Senior Developer — Data Services Group

Gloucester Research provides trading research and software systems to statistical arbitrage hedge funds. I was a member of a team of four providing data-feed analysis and database support to several other groups. My role required that I liaise with researchers, analysts, data suppliers, and systems teams.

• Wrote tools for analysis and normalization of data for FX tick collection, and static feeds such as IBES, Starmine and S&P XPressFeed using a variety of different languages and technologies Perl, C#, Python, SQL server, bash and C++
• Developed a database for daily point-in-time analysis of XpressFeed data using .NET, SQL Server and Perl
• Maintained, extended and supported existing data feeds
• Wrote tools for ETL and normalisation of data

International Information Systems Auckland, New Zealand Aug 2005

Contract Software Development

IIS provide customer purchase analysis services to a multitude of New Zealand and Australian retailers.

• Redesigned and optimized an Excel VBA macro based price point prediction tool, reducing runtime from an hour, to just a few seconds.
• Improved the user interface of the tool, increasing accessibility of the tool for their clients

Advanced Management Systems Ltd Auckland, New Zealand Jun 2002 – Aug 2005

Technical Software Developer

Advanced Management Systems is New Zealand’s leading provider of payroll software to Health, Education and Government and employs 30 people.

• Design and implementation of a proprietary cross platform (UNIX, Linux, VMS and Windows NT/Server) application server, virtual machine and multi-threaded embedded relational database engine using Visual C++ and GCC
• Designed and built a Disaster Recovery module allowing the server’s embedded database to perform live replication over TCP/IP to a remote client
• Introduced source control procedures (Subversion)
• Introduced a Wiki to improve internal company documentation.

Grasshopper Software Hamilton, New Zealand Jun 2002

Contract development on image correction program “ImageAlign”

ImageAlign was a Photoshop plug-in and standalone app written in C++ with MFC and Win32 that corrected lens distortion

RadioPie Hamilton, New Zealand Feb 2001 – Jun 2002

Lead Software Engineer

I led a team of 3 developers to build the platform and GUI. RadioPie was a startup online radio station for independent artists. The concept involved a proprietary music player that was able to download music from a central server according to user preferences for genres and individual tracks.