Mark Sailes

Leeds, UK ยท

I'm a builder, creator and coder with a passion for technology. I really love meeting new people and new companies and working with them to challenge preconceptions. I think I've got the best job ever as everyday is completely different.


Amazon Web Services

Specialist Solutions Architect, Serverless
Aug 2020 - Present

Amazon Web Services

Solutions Architect

At AWS I work with customers of sizes and cloud maturity and I worked with them to drive business outcomes.

Aug 2018 - Aug 2020

Technical Lead

Sky Betting & Gaming

At SBG I was responsible for the team which delivered live football pricing. This involved taking real time data from a number of sources, passing it through our own sports models and integrating with a number of downstream teams. Here I rearchitected our initial Java monolith to cloud native services on AWS.

Jan 2016 - Aug 2018


University of Leeds

Bachelor of Science
Computing 2:2

with industrial placement

August 2002 - June 2006


Programming Languages & Tools
  • Mobile-First, Responsive Design
  • Cross Browser Testing & Debugging
  • Cross Functional Teams
  • Agile Development & Scrum

Open Source


These libraries make working with Java and AWS Lambda easier. I help maintain the events coverage and work with the Lambda service team to improve the developer experience.


A Java implementation of a client library for CloudWatch EMF. I'm currently working with CloudWatch team to create an AWS supported library.


A fork of the extended client library for SQS. This client enable SQS messages of up to 2GB to be sent, using S3 as storage. I'm currently rewriting the library to use the AWS v2 Java SDK.


  • AWS Certified Solutions Architect - Professional
  • AWS Certified Big Data - Specialty
  • AWS Certified Security - Specialty
  • AWS Certified Alexa Skill Builder - Specialty
  • AWS Certified Solutions Architect - Associate
  • AWS Certified Developer - Associate
  • AWS Certified SysOps Administrator - Associate
  • AWS Certified Cloud Practitioner