email: [email protected]
mobile: 07551377577
Nationality: British
Based: Greater Manchester
github: kazimir-malevich
Polyglot programmer with an in-depth experience of performance, acceptance and vulnerability testing with a variety of FOSS tools. Well versed Agilist (xP, Scrum, Kanban), with a good understanding of cloud concepts and core Amazon Web Services (AWS). Acknowledged in Sam Newman's, 'Building Microservices' (2015) and Brian Marick's, 'Functional Programming for the Object-Oriented Programmer' (2015).
| Languages | Load Tools | Browser drivers | Cloud | CI/CD |
|---|---|---|---|---|
| Scala 2, JavaScript, Python | Gatling, k6, JMeter | Playwright, Puppeteer | AWS | GitHub Actions |
Nov 2020-present, Sabbatical
Sabbatical taken to care for my elderly mother with advanced Alzheimer's. This
is no longer an issue and I am looking to re-enter the workforce.
2010-2020, British Broadcasting Corporation (West London and Salford)
2013-2020, Load Test Engineer (Operations)
- Introduced the open-source Gatling load test tool that replaced a GUI based proprietary load test tool and focuses on tests as code in a Scala DSL
- Created a Gatling orchestration and metric visualisation tool using Docker, Kubernetes, InfluxDB and Grafana
- Undertook load, stress, spike and soak testing according to the trafffic profiles (CloudWatch Metrics, AWS X-Ray) of an application-under-test (AUT)
- Analysed performance test reports and engaged with domain experts to determine the success or failure of an AUT (response time graph distribution, response time percentiles, statistical correlation)
- Created tooling for non-HTTP(S) testing which Gatling does not readily support (e.g. SQS, DNS, datastore load testing)
- Automated Gatling deployment through AWS CloudFormation and a "thin" BBC AWS wrapper
- Helped to debug Linux bottlenecks through GNU tools (e.g. ps, top, vmstat, free)
- Used other load tools including: locust(Python), k6(JavaScript), wrk(Lua)
- Wrote and ran load tests for heavy JavaScript front-end applications with Puppeteer(TypeScript) and BlazeMeter.
- Gave talks on Gatling, embedded myself in teams to guide developers and testers on load testing and gave courses on the fundamentals of Scala
- Offered a vulnerability testing service to replace a consultancy, using Nmap and it's Lua extensions
2010-2013, Automated Tester/Developer-in-Test (News)
- Automated acceptance tester using Ruby, Selenium-Webriver and the Behaviour Driven Development(BDD) framework, Cucumber
- Created a test harness in Clojure that validated service HTTP responses from HTTP requests à la contract testing
- Engaged in Agile development with user stories, iteration planning, continuous integration, restropectives, pair-progromming etc
- Put forward the role and wrote the competencies for the Developer-in-Test role which was rubber stamped by HR
- Worked with the BBC Academy to devise courses around BDD and invited a number of open-source and Agile speakers including "Uncle" Bob Martin and the Selenium and Webdriver creators, Jason Huggins and Simon Stewart, respectively
2008-2010, BBC Worldwide (West London), Automated Tester
- Introduced Ruby and the open-source browser-driving test tool, Watir, to automate testing on a number of BBC Studio products
- Gave a number of talks on Ruby, automated testing and eventually BDD with Cucumber
- Wrote and executed load tests using JMeter
2004-2008, TNT (Warwickshire), Automated Tester
- Using IBM/Rational products to automate the testing of a number of parcel delivery applications
- Wrote a keyword-driven framework in a "dumb" terminal to automate the testing of a new major release, saving tens of thousands in manual test overtime costs
2003-2004, Philips Medical Systems, (Hamburg, Germany), Integration Tester
Testing new controller software on an RTOS, interfacing to an x-ray machine
2000-2003, Sage Sofware Limited (Wimbledon, London), Software Tester
Testing a variety of tax products, with some automation using Rational Robot
1999-2000, North West Water (Old Trafford, Manchester), Software Tester
Testing a customer service representative billing application. Some Unix and SQL.
Liverpool John Moore's University
1993-1997: BA Economics