Teppo Perä
Senior Tech Lead at Shell
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolTeppo Perä is a Senior Python Developer based in London with over two decades of software engineering experience and more than a decade focused on Python-heavy roles across telecom, finance, and travel sectors. He combines deep backend expertise—Django, Twisted, Celery, high-availability microservices and data pipelines—with practical experience in cloud and data tooling such as AWS, Airflow, Snowflake and Docker. He has delivered low-latency transaction reporting for investment banking, data ELT pipelines for consumer platforms, and high-testability UI features at scale, often driving BDD and test-first practices. As a hands-on technical lead and former CEO, he blends team coaching and process improvements (Kanban/Scrum mastery) with architecture and implementation work. Teppo’s track record includes shipping performance-sensitive Python services from Nokia-era embedded and UI tooling to modern cloud data stacks, highlighting an unusual breadth from low-level device work to cloud-native systems. He is pragmatic, process-minded and focused on making complex systems observable, reliable and easy to evolve.
11 years of coding experience
22 years of employment as a software developer
Bachelor's degree, Bachelor's degree at Raahen tietokonealan oppilaitos
English, German, Swedish
Stackoverflow
165reputation
11kreached
1answer
4questions
Github Skills (9)
python7
pandas6
nvidia6
docker6
linux6
tensorflow6
invariants6
react6
pypi1
Programming languages (1)
Github contributions (5)
Debith/py3traits
Mar 2015 - Jun 2022
Trait support for Python 3
Contributions:35 commits, 1 PR, 34 pushes in 7 years 4 months
python
Debith/pygim
May 2025 - Jul 2026
Contributions:3 PRs, 45 pushes, 11 branches in 1 year 1 month
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