Arun Neelicattu
Principal Software Engineer at quadzero OÜ
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolArun Neelicattu is a Principal Software Engineer based in Berlin with 13 years of experience building resilient, cloud-native and HPC systems across startups and enterprises. He blends hands‑on engineering with technical leadership—shaping product roadmaps, scaling teams, and driving SRE and security best practices at companies from Twyla and Element to Aleph Alpha. His work spans bare‑metal HPC optimizations (including a 16x speedup for protein folding workloads), SDN and network automation, and developer tooling for Python packaging and gRPC, with notable open-source contributions to projects like poetry and python-betterproto. Known for turning complex infrastructure problems into automated, cost‑efficient platforms, he also fosters inclusive, high‑performing teams and strong product-engineering partnerships. Based on a background in AI research and software engineering from ANU, he combines deep technical curiosity with practical delivery in production-critical environments.
13 years of coding experience
12 years of employment as a software developer
Australian National University
Hindi, Malayalam, English
Stackoverflow
314reputation
28kreached
9answers
0questions
Github Skills (31)
dependency-management10
code-generator10
pytest10
python10
package-management10
apidoc10
testing10
packaging10
asyncio10
consul10
api10
pip10
build-tools10
grpc10
protocol-buffers9
Programming languages (18)
Github contributions (5)
danielgtaylor/python-betterproto
Jul 2020 - Mar 2022
Clean, modern, Python 3.6+ code generator & library for Protobuf 3 and async gRPC
Role in this project:
Back-end Developer
Back-end DeveloperContributions:29 reviews, 24 commits, 27 PRs in 1 year 8 months
Contributions summary:Arun contributed significantly to the `python-betterproto` project, focusing on enhancements to the core code generation and gRPC functionalities. They implemented async/await keywords and corrected typos and code quality issues. Furthermore, the user refactored dependencies, switching from platform-provided protobuf tools to `grpcio-tools`. The user's contributions involved fixing bugs, enhancing the grpclib client, and handling mutable default arguments.
pythonasyncioprotobufpython-3-6grpc
python-consul/python-consul
Dec 2015 - Aug 2017
Python client for Consul (http://www.consul.io/)
Role in this project:Back-end Developer
Back-end DeveloperContributions:22 commits, 32 PRs, 17 pushes in 1 year 8 months
Contributions summary:Arun primarily contributed to the Python client for Consul by adding new features and improving the existing functionality. They added support for agent joining, force-leaving nodes, and new health checks including TCP and Docker checks. The user also implemented error handling and documentation updates. Furthermore, the user introduced bumpversion support for versioning.
consulpythonpython-client
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