I am a skilled and experienced senior technologist with a proven track record of success in helping enterprises to define technology strategy, roadmap and architectures and to deliver large-scale technology solutions through the full lifecycle with geographically diverse, multi-discipline teams. I have a deep technology background in the development of high-volume, mission-critical enterprise solutions including cloud, web, desktop and integration. I have a broad experience of industry sectors including comms and high-tech, fashion retail, electronics retail, retail banking, investment banking, asset management, environment, energy, and manufacturing. I have strong people leadership and communication skills, an enthusiastic approach and I am a confident and fluent presenter. I work hard to build teams which excel though the best blend of personalities and skills. I strive to bring out the best in people, to identify their strengths and encourage them to play to them. I am a Practice Lead, Career Manager, Mentor and Coach at Avanade and I have received both Top Career Manager and Top Talent Magnet awards. I am a keen exponent of Agile methodologies, BDD/ATDD and I am a confident and effective Scrum Master, developer and coach. I currently specialise in secure, high-throughput RESTful API development in Microsoft Azure.

Lead Principal Software Engineer @ Responsible for software, quality assurance, data and integration engineering across the organisation. My three core areas of focus are: - Actively and continuously improve engineering at ASOS through vision, direction and technical governance. Provide teams with the tools and skills they need and empower them to deliver well-crafted software into production quickly and smoothly. - Hire and develop exceptional people. Foster a passion for technology, innovation and continuous improvement and focus them through the adoption and refinement of best practices and approaches. - Build a strong and vibrant technical community which encourages the contribution, collaboration and recognition of our engineers and technologists. Strive to make ASOS a highly regarded centre of excellence for engineering and technology culture. From November 2015 to Present (2 months) London, United KingdomPrincipal Software Engineer for Digital Experience @ Responsible for Software Engineering discipline, process and practices across web, server and mobile platform teams within ASOS Digital Experience. I work closely with the Principal Engineers from other business areas and with software engineers on the ground to identify and implement tools, technologies or working practices which could be exploited to improve the quality and productivity of Software Engineering at ASOS, From March 2015 to October 2015 (8 months) London, United KingdomDesign & Development Practice Lead/Comms, Media & Tech Interlock @ Working within Avanade as the Design & Development Practice Lead, I drive new technology adoption, patterns and practices, capability and up-skill to ensure that Avanade’s Application Development Service Line continues to provide its customers with high-quality, scalable solutions on leading edge technologies, both on-premises and in the cloud. I am also the Comms, Media and Technology Interlock, working closely with our Business Development team to ensure we are ready to meet current and future customer technology demand head on. It's also a great pleasure to work with customers as a hands-on technologist. The roles are various and challenging and range from enterprise architecture and strategy, through solution architecture, integration, agile transformation (particularly Scrum) and .NET software development. I currently specialise in RESTful API development on the Microsoft stack working with customers such as Blinkbox, Skype and ASOS. From March 2009 to March 2015 (6 years 1 month) London, United KingdomSolutions Architect @ Architecting backoffice integration between best of breed systems using BizTalk 2006 R2 and .NET technologies From April 2007 to February 2009 (1 year 11 months) Solutions Architect @ Mapping out existing architecture, technical liaison with a new managed service provider including virtualisation of the server estate and data flow automation using SQL Server Integration Services From November 2007 to April 2008 (6 months) Senior Consultant @ Working on the Microsoft Services team I support one of the world's biggest finincial applications based on BizTalk. I also support the build and development and test phases, including automation of build, configuration and testing. From 2006 to November 2007 (1 year) Senior Consultant @ As a Senior Consultant in Business Process Integration, it is my responsibility to work with clients on-site in all parts of the application lifecycle, from pre-sales to support and maintenance. Involving both architectural design and hands-on development and support, this role is varied and presents constant challenges and rewarding accomplishments. From January 2005 to November 2007 (2 years 11 months) Senior Consultant @ I took a Solutions Architect role at BlueBay; designing, implementing and evolving an Integration Bus architecture to connect the best-of-breed systems they had selected to take their business to the next level. From January 2005 to May 2006 (1 year 5 months) Microsoft Technical Lead @ This role presented many challenges including creating a detailed user tracking and data-mining system, developing end-to-end n-tier solutions for the customer-facing websites and internal business processes, half-hour billing-data graphing for commercial customers, an in-store kiosk for 50 high street shops, an on-line savings calculator and application form and a secure credit/debit card processing system, with a throughput of around £3m per month at go-live. I also lead a PoC and subsequent development of a project to replace the existing data flow systems with a BizTalk 2004 solution. I introduced Microsoft .NET on its release in January 2002, developing ASP.NET, Web Services and WinForms applications in C#. In 2004, we completed development of a large-scale project to migrate our existing on-line electrical goods outlet to Commerce Server 2002 and ASP.NET with BizTalk integration. This role also involved managing the internet and intranet web farms, SQL Server clusters and applications servers. From 2000 to 2004 (4 years) Network Support Engineer/MIS Manager @ Responsible for maintaining, supporting and developing the existing network infrastructure and systems, also co-coordinating and providing user support and hardware and software purchasing for three sister companies across 8 sites nationwide. . I was later promoted to MIS Manager where I planned and implemented upgrades to the MRP II system and later selected new ERP system, upgraded OpenVMS, upgraded the payroll system (also VMS based), migrated Corel WordPerfect and Lotus SmartSuite to Microsoft Office 97 and Lotus cc:Mail to Microsoft Exchange. From January 1997 to September 2000 (3 years 9 months)

Nix Crabtree is skilled in: .NET, BizTalk, Solution Architecture, Integration, Web Technologies, Investment Banking, SOA, Microsoft SQL Server, WCF, Enterprise Architecture, Microsoft Technologies, EAI, Pre-sales, ASP.NET, REST