Lukas Elmer
Senior Software Engineer Consultant at SIEMENS Mobility sa/nv
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolLukas Elmer is a senior software engineer and consultant with over 15 years of hands-on experience building web and mobile systems, from full-text search for 20M+ documents to production SPAs and backend services. He co-founded and scaled Renuo AG from a small web agency to a 25+ person company, combining technical execution with project acquisition, hiring and strategy. Technically fluent in TypeScript/Node, React, Flutter/Dart, Python and Ruby on Rails, he shifts comfortably between backend, frontend and architecture while contributing to open-source projects like thumbor and DefinitelyTyped. Known for pragmatic problem-solving and clean code, he also brings proven project management chops from medium- to large-scale initiatives. Based in Zurich, he’s now focused on tackling larger engineering challenges in bigger organizations and is open to relocating for the right role.
15 years of coding experience
14 years of employment as a software developer
Bachelor of Science - BS Computer Science Software Engineering, Bachelor of Science - BS Computer Science Software Engineering at HSR Hochschule für Technik RapperswilMaster of Science ETH in Computer Science General Computer Science, Master of Science ETH in Computer Science General Computer Science at ETH ZürichEidg. Fz. Informatiker Richtung Applikationsentwicklung (Computer Science) Informatik Wirtschaft Sprachen, Eidg. Fz. Informatiker Richtung Applikationsentwicklung (Computer Science) Informatik Wirtschaft Sprachen at Kantonsschule Hottingen
German, English, French
Stackoverflow
304reputation
8kreached
4answers
0questions
Github Skills (14)
tornado10
http10
typescript10
typescripts10
back-end-development10
python10
typescript-types10
typescript-definitions9
unit-testing9
refactoring8
wpf6
wpf-controls6
ruby6
reek6
Programming languages (22)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Mar 2018 - Aug 2021
The repository for high quality TypeScript type definitions.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:3 reviews, 10 commits, 8 PRs in 3 years 6 months
Contributions summary:Lukas primarily contributed to the type definitions for the `react-vertical-timeline-component` library, specifically adding missing fields related to styling and content. Additionally, the user updated the typing definitions for `yup` and `ioredis-mock`. These changes indicate a focus on improving the type safety and usability of the library. They also updated other type definition files for `superagent`.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
thumbor/thumbor
Apr 2015 - May 2015
thumbor is an open-source photo thumbnail service by globo.com
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 commits, 2 PRs, 7 comments in 22 days
Contributions summary:Lukas primarily worked on implementing and refining HTTPS loader functionality within the thumbor project, a photo thumbnail service. Their contributions involved creating and modifying code for both `https_loader` and `strict_https_loader`, which included validating URLs, normalizing URLs, and handling content retrieval over HTTPS. Additionally, the user refactored existing code and removed unused imports and dead code, improving the overall code quality and maintainability of the HTTPS loading mechanisms. They also added tests to ensure the correct behavior of the loaders.
imagethumbnailglobothumborphoto
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