Henry Keen

Henry Keen Email and Phone Number

Chief Technology Officer @ Build Circle
Brighton, GB
Henry Keen's Location
London, England, United Kingdom, United Kingdom
Henry Keen's Contact Details

Henry Keen personal email

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About Henry Keen

April 2014. Just Eat was just getting ready for IPO & the growth was staggering. As a lead engineer, I spent most of my time hiring for 1 year straight. What have I learned? 👉 The tech team you assemble can have a 100x impact on your success👉 Hiring right is 50% of company culture👉 Many people interview well. Doesn’t mean they’ll be good teammatesToday, I run Build Circle. The lessons from building a company to Unicorn status are always front of mind, and I love sharing them with our clients who we help grow. We work with post-Series A startups, fast-growing scaleups, and corporate clients.We provide the⚔️ Consulting Brainpower⚔️ Execution People-Power⚔️ Ongoing Support Post Implementation𝐂𝐓𝐎𝐬 𝐨𝐟 𝐭𝐞𝐜𝐡 𝐜𝐨𝐦𝐩𝐚𝐧𝐢𝐞𝐬 call us when they need help with🪓 …𝐫𝐞𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐢𝐧𝐠 because they’ve grown too fast and amassed too much technical debt🪓 …𝐜𝐨𝐦𝐩𝐥𝐞𝐱 𝐜𝐡𝐚𝐧𝐠𝐞𝐬 𝐨𝐧 𝐭𝐡𝐞 𝐭𝐞𝐜𝐡 𝐞𝐧𝐠𝐢𝐧𝐞 while the business plane is in mid-flight🪓 …𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 that their in-house team doesn’t have the capabilities for𝐂𝐄𝐎𝐬 𝐰𝐢𝐭𝐡𝐨𝐮𝐭 𝐚 𝐬𝐭𝐫𝐨𝐧𝐠 𝐭𝐞𝐜𝐡 𝐭𝐞𝐚𝐦 call us when they need help with🛠 …𝐝𝐞𝐜𝐢𝐝𝐢𝐧𝐠 𝐰𝐡𝐚𝐭 𝐤𝐢𝐧𝐝 𝐨𝐟 𝐭𝐞𝐜𝐡 𝐭𝐞𝐚𝐦 𝐭𝐡𝐞𝐲 𝐧𝐞𝐞𝐝 for the next funding round🛠 …𝐛𝐮𝐢𝐥𝐝 𝐧𝐞𝐰 𝐭𝐡𝐢𝐧𝐠𝐬 while the tech team is forming or regrouping🛠 …𝐜𝐫𝐚𝐟𝐭𝐢𝐧𝐠 𝐭𝐡𝐞𝐢𝐫 𝐭𝐞𝐜𝐡 𝐬𝐭𝐫𝐚𝐭𝐞𝐠𝐲 for their next phase of growth🛑 IMPORTANT: We have the Continuity Guarantee - whomever you start working with will also finish the job. No switching and retraining of temporary team members.𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐬𝐭𝐨𝐫𝐢𝐞𝐬:🚀 35% reduction in overall spend on software development for EngageIQ, a SaaS company in London🚀 50% performance improvement of the order funnel, enabling record peak sales for Moonpig, an online gift shop🚀 800% increase in release cadence for Alica Bank, a financial services provider for SMEs💬 𝐖𝐡𝐚𝐭 𝐭𝐡𝐞𝐲 𝐬𝐚𝐲:“Build Circle has been a great technology partner working as an integrated part of our engineering teams”Peter Donlon, CTO Moonpig“I cannot praise enough the culture and the talent that Build Circle brought to our organization.”Ravneet Shah, CTO Allica Bank“...way beyond our expectations… incredible development partners.”Greg Emes, Head of Development, Coyote Software☎️ 𝐑𝐄𝐀𝐃𝐘 𝐓𝐎 𝐓𝐀𝐋𝐊?Send me a LinkedIn DM and let's explore if we're a fit on a 15 min call.

Henry Keen's Current Company Details
Build Circle

Build Circle

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Chief Technology Officer
Brighton, GB
Employees:
35
Henry Keen Work Experience Details
  • Build Circle
    Chief Technology Officer
    Build Circle
    Brighton, Gb
  • Build Circle
    Co-Founder And Chief Technology Officer
    Build Circle Apr 2018 - Present
    London, London, Gb
    Co-founder of Build Circle. We work with leadership teams to help realise their goals with technology, engaging with customers of many sizes across multiple industries.Grew the business to 70+ engineers, took the business through investment to ultimately join the MAJAR Group portfolio of companies in 2022.I advise Build Circle clients on their technology; areas such as leadership/strategy, product development practices, team structures, cloud migrations, technology modernisations, performing due diligence for M&As.
  • Stylus
    Fractional Cto
    Stylus Dec 2023 - Present
    London, Gb
    Stylus helps schools leverage the power of AI to deliver personalised learning and rapid feedback for each student - using pen and paper.Enabled successful pre-seed funding by providing strategic technical and product insights to investors.Recruited and led the initial team, driving the development of an MVP from concept to delivery.Defined and aligned roadmaps by integrating technical and product strategies to support the overall company vision.Preparing the organisation for long-term growth by hiring a full-time CTO to transition leadership responsibilities.
  • News Uk Technology
    Engineering Manager
    News Uk Technology Apr 2021 - Dec 2021
    London, England, Gb
    Leader of 3 cross functional teams - product delivery, infrastructure, and payments.Directed engineers, product, and the architecture team to pivot away from a 3 year "sunk cost" and prospect-less project to deliver immediate value to customers. Provided strong direction and clear goals to the teams across departments to surface data through new APIs based in the cloud. (GraphQL API, React front end, AWS)Ensured the security standards and best practices were followed across components and put automated processes in place for patching new vulnerabilities.Managed the migration of multiple legacy services to more scalable platform on Kubernetes.Fostered an engineering culture of collaboration and strong cross-team communication.
  • Moonpig
    Principal Engineer - Re-Platform / Migration
    Moonpig Mar 2019 - Dec 2020
    London, England, Gb
    Full checkout rebuild from the ground up. Large scope, guiding the team with Lean/Agile principles to stay on track. - React, NextJS, Node, Typescript, .NET, GraphQL, Apollo, Terraform, Gitlab CI, AWS (Lambda, SQS, SNS, SSM, DynamoDB, IAM ...)- Lead of postal options squad - tricky domain, delivered quickly in iterationsMentoring how to support code in production (Monitoring, alerting, Infrastructure as Code), keeping releases small and fast, writing reliable, behavioural unit tests.
  • Moonpig
    Lead Engineer - Peak Readiness
    Moonpig Dec 2018 - Mar 2019
    London, England, Gb
    Tested and optimised the platform to cope with 2019 peak traffic. Simulated fake load using JMeter.- JMeter, EC2, Bash, Terraform
  • Moonpig
    Principal Engineer - Cloud Migration
    Moonpig Aug 2018 - Dec 2018
    London, England, Gb
    - Prometheus monitoring - Docker on EC2, Terraform, Packer, Bash, CodeDeploy, CodePipeline- EC2 provisioning - Terraform, Packer, AnsibleIntroduced, built and maintained Prometheus monitoring stack. No application monitoring when I arrived so took initiative. Scraping from CloudWatch Metrics, Custom IIS Exporter which pulled from logs
  • Equal Experts
    Tesco - Payment System Rebuild - Senior Engineer
    Equal Experts Oct 2017 - Aug 2018
    London, England, Gb
    - APIs: C#, ASP.NET Core 2, Event Sourced, CQRS, testing with ASP.NET Core TestServer- Infrastructure: PostgreSQL, Cassandra, Terraform, Packer, AWS, EC2, AutoScaling, S3, Docker- Team: Pairing, TDD, Kanban- Front end: Aurelia, Javascript ES6, JSPM, SASS, Gulp- Monitoring/Logging: Serilog, Splunk- Continuous Delivery: Jenkins, Octopus DeployBuilding an internal payment provider for Tesco websites, tills in store and mobile applications.
  • Equal Experts
    Informa - Agriculture Data Rebuild - Senior Engineer
    Equal Experts Aug 2016 - Oct 2017
    London, England, Gb
    - Front end: Aurelia, ES6, JSPM, SASS, Gulp, Plotly, Karma, Mocha - APIs: C#, WebAPI (OWIN hosted, in-process http testing), Identity Server - Infrastructure: AWS, Terraform, Packer, EC2, ELB, AutoScaling, S3, CloudFront, SNS, SQS, Route 53, CodeDeploy, ElasticSearch on EC2 - Monitoring/Logging: Serilog, ELK stack, ElastAlert - Continuous Delivery: TeamCity for CI, deployments multiple times a dayDigital Project of the Year 2017 Finalist - UK IT Industry Awards. Took the agriculture business intelligence product from spreadsheets and hardcopies to a portal that enables clients to interact with dynamic charts/tables/publications. Recruited and mentored the team that we handed over to at the end of the engagement.
  • Just Eat
    Lead Of Partner Services
    Just Eat Feb 2016 - Aug 2016
    Amsterdam, North Holland, Nl
    Lead of partner services team (8 developers) - Accountable for the security, scalability, and sustainability of 16 components- Ensured the team stayed healthy and productive - The natural communication point for cross-functional teamsLead interviewer - Guides the candidate through the 3 hour interview- Ensures the candidate has a good experience, and keeps the interview on course- Mentors less experienced interviewers
  • Just Eat
    Senior Software Developer
    Just Eat Apr 2014 - Aug 2016
    Amsterdam, North Holland, Nl
    - C#, .NET, MVC, WebAPI, Structuremap, Ninject, CastleWindsor, AWS SDK, Dapper - AWS: EC2, SNS, SQS, DynamoDB, ELB, AutoScaling, CloudFormation, Lambda, S3, CodeDeploy- JavaScript, AngularJS, nodeJS, jasmine, gulp- Monitoring: StatsD, Graphite, Grafana, Cloudwatch - DevOps: support the team's change in production using monitoring, alerting, logging - Use lean principles to build the right software for restaurants (build, measure, learn etc.)- Logging: NLog, file system, nxlog, Elasticsearch, Logstash, Kibana (ELK) - Alerting: Seyren, PagerDuty - Continuous Delivery: TeamCity for CI, deployments multiple times a day - APIs: WebAPI, OWIN hosted, in-process http testing - Workers: Topshelf, NancyFX for elb healthcheck - SpecFlow, SpecsFor, Nunit, xUnit, Moq, NSubstitute, RhinoMocks, jMeter (load testing) Cross-functional team responsible for delivering software to empower our partners, the restaurants. We used lean principles to build the right software that they need (build-measure-learn, MVP, YAGNI, KISS).
  • Wiggle.Co.Uk
    Software Engineer
    Wiggle.Co.Uk Aug 2012 - Mar 2014
    Portsmouth, Hampshire, Gb
    B&M:- C# unit tests in mSpec, JS unit tests in jasmine, integration tests in Specflow. - TDD everything (even Javascript), using Resharper and nCrunch. - Agile team, 2 week sprints, providing software for the Buying and Merchandising department. - Main retail system uses HTML5, CSS3, KnockoutJS, MVC4, .NET4.5, WebAPI, Dapper, NHibernate, NServiceBus, StructureMap for IOC, SQL Server 2008, MySQL- Dropkick deploys, Ruby (Rake) build/test execution, Roundhouse SQL migrations - CQS; we query data from SQL Server using Dapper, and save using NHibernate. - TeamCity for CI server, Git for source control, Jira for planning board. WMS:- Agile team, 2 week sprints, 6 month project to replace Warehouse Management System- Largest project to date at Wiggle, delivered on time, on budget. - Replaced existing system with third party product - Integrated with other systems via messaging with NServiceBus over MSMQ.
  • Re:Systems
    Software Developer
    Re:Systems Mar 2008 - Aug 2012
    Software development company - provides systems in rail and sports ticketing, event seating management, CRM, public consultation, property management, and many bespoke websites. VEVA SMT:- C# .NET, Silverlight 4, MVVM, .NET 4, WCF, Entity Framework 4, nUnit, secure WCF (for TicketMaster imports), Unity IOC, SQL Server 2008 - Seat Management Tool for sponsors of 2012 Olympics - Unity3D game engine - real time stadium/seat visualisation - Thousands of users, millions of tickets - high performance, highly transactional - output caching, careful SQL indexing, data compression VEVA Back Office:- C# .NET, WPF 4, MVVM, .NET 4, WCF, Entity Framework 4, Unity + Prism IOC, SQL Server - Seat plotting, data import tool- Windows installer Fastix:- .NET 4, MVC3, Entity Framework, Unity IOC - All inclusive ticketing solution (ticket management and public facing website) - Led the development work - Interactive 2D plans - clients draw interactive venues with different seating plans and pricing, which appears on public facing site for buying tickets Tractivity:- CRM / Property management for local authorities - .NET 3.5, WebForms, LINQ to SQL, custom AJAX/Templating controls, SQL Server 2005 - 30+ customers and deployments - reusable controls/libraries between systems - Talked to clients directly, supporting and continuously improving the product - Public facing website for property enquiries - SEO and browser compatibility requirements
  • Eventure Ltd
    Software Developer
    Eventure Ltd Sep 2007 - Mar 2008
    Web development company based in Nottingham that specializes in bespoke e-commerce websites.- Each developer managed their own systems and clients - With mainly small e-commerce sites, SEO was a big consideration - Lots of front end development, most sites had to be valid XHTML

Henry Keen Skills

C# .net Test Driven Development Devops Asp.net Asp.net Mvc Mvc Nunit Git Visual Studio Agile Methodologies T Sql Linq Microsoft Sql Server Javascript Continuous Integration Sql Software Development Entity Framework Design Patterns Css Html 5 Web Applications Nhibernate Web Services Iis Wcf Wpf Jquery Xhtml Ajax Soa Resharper Scrum Html Ddd Bdd Vb.net Oop Silverlight Xaml Mvvm Json Mysql Ruby Xamarin Angularjs

Henry Keen Education Details

  • University Of Newcastle-Upon-Tyne
    University Of Newcastle-Upon-Tyne
    Computing Science (Bsc) 2:1

Frequently Asked Questions about Henry Keen

What company does Henry Keen work for?

Henry Keen works for Build Circle

What is Henry Keen's role at the current company?

Henry Keen's current role is Chief Technology Officer.

What is Henry Keen's email address?

Henry Keen's email address is he****@****ail.com

What is Henry Keen's direct phone number?

Henry Keen's direct phone number is (646) 274*****

What schools did Henry Keen attend?

Henry Keen attended University Of Newcastle-Upon-Tyne.

What skills is Henry Keen known for?

Henry Keen has skills like C#, .net, Test Driven Development, Devops, Asp.net, Asp.net Mvc, Mvc, Nunit, Git, Visual Studio, Agile Methodologies, T Sql.

Who are Henry Keen's colleagues?

Henry Keen's colleagues are Tom Day, Sean Burke, Gurpreet Singh Sohal (ਗੁਰਪ੍ਰੀਤ ਸਿੰਘ ਸੋਹਲ), Jacob Bennett, Jamie Gardiner, Sean Arr.

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