Mark Lilley
Business Owner @Martkos It Ltd
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WORK HISTORY
Business Owner @Martkos It Ltd
Creator of JMeter CLI Editor, Perf AutoCorrelator Pro, and Perf Reporting Dashboard – empowering engineers worldwide. martkos-it.co.uk/store
EDUCATION
Teesside University
Software Engineering, Computer Software Engineering
SKILLS
ABOUT MARK LILLEY
A Performance Testing Consultant based in Sheffield, I run Martkos IT Ltd (registered in Blackpool) – delivering remote-first performance consulting and tools to enterprises across the UK and beyond. After 20+ years in the trenches (Evri, ATOS, Lloyds Banking Group, DWP, Royal Mail, Hermes Europe, Transunion, and NHS.), I founded the business in 2016 to bring quirky, no-nonsense performance expertise to teams tired of bottlenecks and slow fixes.I help organisations de-risk product releases by identifying performance bottlenecks before they impact customers.Core expertise:→ Performance tools: JMeter, LoadRunner, Gatling, BlazeMeter→ Cloud & infrastructure: AWS (EC2, ECS, Lambda, CloudWatch, AmazonMQ), Azure, AppDynamics→ Messaging: RabbitMQ tuning, IBM MQ, AmazonMQ (Quorum queues)→ CI/CD integration: Jenkins pipelines, automated regression testing, shift-left performance→ Data & stubbing: Redis, WireMock, CassandraRecent highlights: Built JMeter framework integrated into Jenkins CI/CD – reduced manual intervention by 60% Led RabbitMQ to AmazonMQ migration testing – validated throughput under peak loads Centralised test data from CSV to Redis – cut data management time by 70%How I can help: RESOLVE – Identify and fix performance bottlenecks CREATE – Volumetric models, test assets, data, documentation ENHANCE – Gap analysis and improvement roadmaps INTEGRATE – CI/CD pipelines, tool migrations, automationAvailable for contract roles (IR35-flexible) – remote or hybrid. m••••••••@martkos-it.co.uk martkos-it.co.uk
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