Lucas Roesler
Partner - Head Of Engineering at Contiamo - Maximize the impact of your data
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolLucas Roesler is a Berlin-based engineering leader with 14 years of experience building web applications, backend systems, and DevOps workflows, currently serving as Partner and Head of Engineering at Contiamo. An ex-mathematician with PhD-level training, he combines rigorous analytical thinking with hands-on development across Python, Django, Kubernetes, and cloud platforms. He has driven product and team strategy, improved deployment reliability, and reduced operational friction while mentoring engineers and shaping engineering standards. A prolific open-source contributor to the popular OpenFaaS ecosystem, his work spans secret management, log integration with journald, and CLI/CLI-to-gateway improvements that make serverless on Kubernetes more robust. Lucas is comfortable moving between pure research, machine learning and production systems, and often surfaces mathematical insight to solve practical engineering problems. His background in academia and applied engineering gives him a rare blend of theoretical depth and pragmatic delivery.
14 years of coding experience
13 years of employment as a software developer
Bachelor's of Science Mathematics, Bachelor's of Science Mathematics at Central Connecticut State UniversityPhD Mathematics, PhD Mathematics at University of Connecticut
Stackoverflow
622reputation
29kreached
3answers
0questions
Github Skills (45)
kubernetes10
docker10
apidoc10
api-design10
secret-management10
schema-design10
web-deploy10
dockers10
cicd10
deployer10
secrets-manager10
containerd10
go10
openfaas10
api10
Programming languages (16)
Github contributions (5)
openfaas/faas-cli
Nov 2017 - Jan 2023
Official CLI for OpenFaaS
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:33 reviews, 47 commits, 31 PRs in 5 years 2 months
Contributions summary:Lucas contributed to the OpenFaaS CLI project by implementing features related to function deployment, including adding support for secrets and read-only root filesystems. They made significant changes to the schema, deploy, and proxy packages, as well as refactoring code for version control and template handling. Further, the user enhanced the CLI with log streaming capabilities and integrated features for Git tag management, expanding its functionality.
golanglambdapythonfaas-clitemplating
openfaas/faas-netes
Nov 2017 - Sep 2022
Serverless Functions For Kubernetes
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:46 reviews, 123 commits, 80 PRs in 4 years 11 months
Contributions summary:Lucas primarily focused on enhancing the OpenFaaS serverless functions platform by implementing features related to secret handling and improving the deployment process. They added functionality to mount secrets as environment variables or files, depending on the secret type, and made the update process idempotent. Furthermore, they refactored the code to add testing, improve code clarity through helper functions and refactoring. These changes involved code modifications in deployment handlers, secrets management and also included unit tests.
golanghands-onfunctionsagnosticserverless
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