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jobs
Willem Muller
,
, United Kingdom
Experience
Other titles
Skills
I'm offering
Markets
United Kingdom
Language
English
Fluently
My experience
2016 - ?
job
Technical Cofounder
BunkerEx.
BunkerEx is the world's most transparent bunker broker, lowering the cost of brokerage fees by up to 80% and saving bunker buyers an average of 40 minutes per deal. Responsible for multiple CTO, Product, Support and Development duties. Managing a technical team of 4. We raised around $2m over 2 rounds. All the ups and downs of startup.
Technologies: Azure, Angular 9, .Net Core, SQL Server, GIS data, integrations, SignalR
Technologies: Azure, Angular 9, .Net Core, SQL Server, GIS data, integrations, SignalR
Sql, Angular, SQL Server, Azure, Gis, Net, Support, Cto, Development, Server, Net core, UP
2014 - 2016
job
Principal Engineer
Asurion.
I was Europe's most senior technical authority and provided technical direction over 4 Agile teams. This was a diverse role all about 'getting stuff done' and unblocking teams. Involved in development, hiring (built up the 25-person team over a 6 month period), technical analysis, mentoring, architecture & solution's, defining Europe's SDLC, building environments, large scale data migration, defining product capabilities, project management and technical support.
In addition to EU team responsibilities, about 30% of my time was focused on the 'hub' - The 130+ strong US development team that built the core functionality and converted legacy tech stacks. I represented Asurion Europe and got EU client requirements onto the core product road-map.
In addition to EU team responsibilities, about 30% of my time was focused on the 'hub' - The 130+ strong US development team that built the core functionality and converted legacy tech stacks. I represented Asurion Europe and got EU client requirements onto the core product road-map.
Project Management, Agile, Mentoring, Management, Architecture, Support, Development, Direction, UP
2014 - 2015
job
Founder
CallHance.
Took a year to pursue my first entrepreneurial effort. CallHance was a mobile app for improving the voicemail experience.
App, Founder
2013 - 2015
job
PPC Automation Specialist
Captivati.
Captivati is an Internet marketing company focussing on lead generation within the home improvement space and also own a network of price comparison sites. As well as being a media buyer, I headed up a research project to automate profitable traffic acquisition. It was fascinating project that took me deep into Google AdWords and MS Bing APIs.
A 'digital-nomad' style culture allowed me the luxury of working in 4 countries. Responsible for over $50K profitable monthly ad buying with strong commission-based incentives. Full Stack development of ClickSteer - a research project in RabbitMQ, ASP.Net MVC, C#, JQuery, Entity Framework 6 and SQL Server for doing data analysis across search performance data. Invented many innovative algorithms around semi-automated profitable ad-buying. The environment was entrepreneurial - we were a team of 12 highly motivated individuals working globally on commission-only basis to drive more traffic though a mix of traditional SEM skills and experimental data analysis.
A 'digital-nomad' style culture allowed me the luxury of working in 4 countries. Responsible for over $50K profitable monthly ad buying with strong commission-based incentives. Full Stack development of ClickSteer - a research project in RabbitMQ, ASP.Net MVC, C#, JQuery, Entity Framework 6 and SQL Server for doing data analysis across search performance data. Invented many innovative algorithms around semi-automated profitable ad-buying. The environment was entrepreneurial - we were a team of 12 highly motivated individuals working globally on commission-only basis to drive more traffic though a mix of traditional SEM skills and experimental data analysis.
Google, Entity Framework, Algorithms, Network, RabbitMQ, Net, It, Development, Internet, MVC, Server, Entity Framework 6, Search, Framework, ME, UP, SEM, Marketing, SEM, ASP, C, Automation, Adwords, PPC, Research, ASP.NET, Asp.net mvc, SQL Server, Google adwords, .Net, Data Analysis, Jquery, Sql
2011 - 2013
job
Senior Security developer
BNP Paribas.
I was subcontracted through HP Fortify to work alongside a Java and C++ developer to deliver the .Net implementation. The banking environment has 100s of pre-existing applications for which we developed a standards based SSO solution for smart clients, services and web apps. This required a deep dive into WCF and utilization of the WIF stack to handcraft SAML messages. I developed a security library that other .Net developers in the bank could plug into their code to leverage the centralized authentication solution.
This role demanded a deep understanding of ADFS and several custom attribute LDAP store providers had to be developed. Other advanced subjects such as delegated authentication was also in play.
My responsibility involved analysis, best practice security recommendations, team management, development, testing and hand holding teams with the integration effort.
This role demanded a deep understanding of ADFS and several custom attribute LDAP store providers had to be developed. Other advanced subjects such as delegated authentication was also in play.
My responsibility involved analysis, best practice security recommendations, team management, development, testing and hand holding teams with the integration effort.
Java, C, Management, Integration, Banking, WCF, Security, Net, Developer, Implementation, Apps, Team management, Testing, Authentication, Development, Web
2010 - 2010
job
Senior Security developer
UBS.
A short 6 week project, that UBS commissioned Microsoft to implement a federated login service to secure sensitive reporting data (mostly around pension funds) within the Global Asset Management Group. WIF, BouncyCastle, ADFS 2.
Management, Asset Management, Service, Security, Developer, Pension
2010 - 2010
job
Senior developer
BBC.
The Online Social group is responsible a product called DNA that enables the BBC's 300 user driven content sites with comments and forums. DNA manages over 90 million user contributed items of content in a SQL Server 2005 database, spanning 10 years with the most feature rich site being the Hitchhikers Guide to the Galaxy (H2G2).
I was involved in developing a set of ASP.Net REST web services that would expose new H2G2 data. The intent was that once completed, these services could be re-used by the other 300 sites. Learned RhinoMocks, REST, Scrum.
I was involved in developing a set of ASP.Net REST web services that would expose new H2G2 data. The intent was that once completed, these services could be re-used by the other 300 sites. Learned RhinoMocks, REST, Scrum.
Net, SQL Server 2005, RhinoMocks, Social, Guide, Online, Server, Feature, Senior Developer, Web, Developer, Sql, Content, Web Services, ASP, REST, Database, ASP.NET, SQL Server, Scrum, .Net
2007 - 2010
job
Lead developer, Team Lead
Finsoft.
Finsoft's Margin Maker 2 (MM2) is the leading solution for large bookmaking operations like William Hill. The product has matured over 10 years and is proven in high transaction environments such as Grand National where over 100 bets per minute are placed from shops, mobile, web and a call centre. I was hired as lead developer to build BoyleSports site which integrates with MM2. C#, WCF, ASP.Net, ScriptSharp, AJAX, MSBuild, nant, fitnesse and Castle. Release Management.
.Net, Operations, ASP.NET, C, AJAX, ASP, Management, WCF, Net, Developer, Lead developer, Web, Nant, Castle
2006 - 2007
job
Technical Architect, Team Lead
NetIDme.
NetIDme is an internet startup that provides online age and identity verification solutions for children and adults. This was a very hands on role in a small startup.
Responsible for overall architecture and product development of a family of 4 web applications using Visual Studio 2005, C#, VB.Net, ASP.Net 2.0, SQL Server 2000 and web services all built in a 3-tier layered approach and with over 450 supporting unit tests for regression testing on the biz layer and extensive use of the AJAX framework in the UI.
Responsible for overall architecture and product development of a family of 4 web applications using Visual Studio 2005, C#, VB.Net, ASP.Net 2.0, SQL Server 2000 and web services all built in a 3-tier layered approach and with over 450 supporting unit tests for regression testing on the biz layer and extensive use of the AJAX framework in the UI.
Regression testing, .NET 2.0, Framework, Vb, Online, Server, Web, Internet, Development, Testing, Net, Architecture, Sql, Visual Studio, Web Services, Vb.net, ASP, AJAX, C, UI, ASP.NET, SQL Server, Product development, .Net
2004 - 2006
job
Senior Developer
Microsoft SDC.
The Government Gateway is classified as being a critical part of the UK Government's national IT infrastructure. It has over 7 million registered users and handles authentication and XML document messaging for government portals including HM Revenue & Customs (HMRC), Department for Work & Pensions, and several local authorities.
• Senior C# developer on 2 successful releases totalling approximately £3 Million, delivered on time and on budget providing vital functionality to HMRC and local authority portals.
• Developed a family of WSE 2 based web services and authentication services as per new requirements that were layered over COM+ components talking to a SQL Cluster.
• Involved in the planning and execution of the core code's migration from Net 1.1 to .Net 2.0 and worked on the migration of the ASP UI to ASP.Net 2.0
• Built and demonstrated to the customer, a Proof of Concept for Gateway's Web based Single Sign-On system and was later heavily involved in the real ASP.Net 2.0 implementation requiring strict adherence with existing SAML and WS-Fed single sign-on standards.
• Responsible for maintaining MSBuild build and deployment scripts on associated code changes for daily deployment to multiple environment configurations.
• Mentoring up to 4 new developers in the second release of the project
• Experience of working on a large enterprise application and learning how to solve the unique challenges it presents with regards to deployment, scalability, ultra high availability (99.97% average since 2001) and backwards compatibility.
• Senior C# developer on 2 successful releases totalling approximately £3 Million, delivered on time and on budget providing vital functionality to HMRC and local authority portals.
• Developed a family of WSE 2 based web services and authentication services as per new requirements that were layered over COM+ components talking to a SQL Cluster.
• Involved in the planning and execution of the core code's migration from Net 1.1 to .Net 2.0 and worked on the migration of the ASP UI to ASP.Net 2.0
• Built and demonstrated to the customer, a Proof of Concept for Gateway's Web based Single Sign-On system and was later heavily involved in the real ASP.Net 2.0 implementation requiring strict adherence with existing SAML and WS-Fed single sign-on standards.
• Responsible for maintaining MSBuild build and deployment scripts on associated code changes for daily deployment to multiple environment configurations.
• Mentoring up to 4 new developers in the second release of the project
• Experience of working on a large enterprise application and learning how to solve the unique challenges it presents with regards to deployment, scalability, ultra high availability (99.97% average since 2001) and backwards compatibility.
Net, UP, .NET 2.0, Enterprise, Scalability, Senior Developer, Web, Authentication, Infrastructure, Implementation, Developer, It, Sql, Web Services, ASP, C, It infrastructure, UI, Mentoring, Deployment, XML, ASP.NET, Budget, .Net
2003 - 2004
job
Delivery Manager
BT Exact.
FastTrack is the BT Exact department specialising in RAD delivery to other Lines of Business within BT and external customers. Responsible for end to end delivery of a tightly scoped department level ASP.Net cost capturing application for BT Product Managers in ASP.Net / SQL/
Sql, .Net, ASP.NET, ASP, Net, Manager
1999 - 2002
job
Developer, Co-Owner
Black Rabbit Studios.
Black Rabbit Studios was a small new media / software consultancy co-owned and managed by me.
Developer, Software, ME
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