Marc Costello
Lead Architect at tombola
Crook, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolMarc Costello is a Lead Architect with 11 years of hands-on experience designing and delivering reliable, high-performance web platforms, currently shaping the technical vision at tombola. He combines deep expertise in C#, JavaScript/TypeScript, F#, Docker and React with a pragmatic, polyglot approach—preferring the right tool for the job—to evolve large-scale product platforms like tombolaarcade.co.uk. Marc has progressed from developer to people-focused technical leadership, running teams, balancing technical debt, and fostering environments where engineers can grow and innovate. He prioritizes users and operational stability, with a strong attention to detail and a passion for exploring new languages, patterns and paradigms outside his comfort zone. Based in Crook, UK, he blends architecture, hands-on coding and mentorship to consistently ship quality software under real-world constraints.
11 years of coding experience
11 years of employment as a software developer
Computing Psychology Media Studies, Computing Psychology Media Studies at Queen Elizabeth Sixth Form College
Stackoverflow
439reputation
51kreached
18answers
2questions
Github Skills (54)
swipe-gestures9
hardware9
aws9
amazon9
elastic8
typescript8
vscode8
vscode-extension8
monitoring8
visual-studio-code8
microsoft7
electron7
autocomplete7
editor7
syntax-highlighting7
Programming languages (6)
Github contributions (5)
tombolaltd/ecs-monitor
Mar 2017 - Mar 2018
A simple monitoring solution for Amazon's Elastic Container Service (ECS)
Contributions:74 commits, 2 PRs, 48 pushes in 1 year
ecsservice-containerelasticamazondashboards
marc-costello/evt
Jun 2015 - Sep 2015
Contributions:15 PRs, 31 pushes, 15 branches in 3 months
javascriptdomevents
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.