Janno Teelem
Staff Software Engineer at Twilio Inc.
Tallinn, Harju maakond, Estonia
Summary
👤
Senior🎓
Top SchoolJanno Teelem is a seasoned Staff Software Engineer based in Tallinn with over two decades of hands-on experience building consumer and enterprise systems, from creating the original Skype for Mac to shaping Twilio's SDKs and service reliability. He blends deep client-side expertise in Swift/Objective-C and modern TypeScript/GraphQL stacks with backend, SRE and DevOps practice—designing resilient microservices, autoscaling, and robust CI/CD pipelines. Previously he led engineering and product teams (VP of Engineering, CPO) at data- and trading-focused startups, scaling teams and moving organisations from outsourced to agile in-house development. His background in AI (MSc) and an MBA gives him a rare mix of technical breadth and product/strategic perspective. Notably, he has repeatedly transitioned between individual contributor and leadership roles, demonstrating both low-level systems craft and high-level architectural decision-making.
9 years of coding experience
18 years of employment as a software developer
Master of Business Administration (M.B.A.), Master of Business Administration (M.B.A.) at Estonian Business SchoolBSc, Computer and System Engineering, BSc, Computer and System Engineering at Tallinn University of TechnologyMSc, Artificial Intelligence (Complex Adaptive Systems), MSc, Artificial Intelligence (Complex Adaptive Systems) at Chalmers University of Technology
English, Estonian, German
Stackoverflow
324reputation
411kreached
7answers
0questions
Github Skills (23)
nodejs-cli10
twilio-api10
twilio-flex10
twilio10
twilio-functions9
sdk9
nodejs9
cli9
js8
visualization8
javascript8
npm-publish6
api6
cookie6
jquery6
Programming languages (3)
Github contributions (5)
jannoteelem/metrobyte-web
Jun 2017 - Dec 2018
Contributions:27 pushes, 1 branch in 1 year 6 months
jannoteelem/serverless-toolkit
Apr 2025 - Jun 2026
CLI tool to develop, debug and deploy Twilio Functions
Contributions:4 pushes in 1 year 2 months
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