Reuben Nellissery
Senior Software Engineer at Ascendion
Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolReuben Nellissery is a Senior Software Engineer based in Toronto with nine years of hands-on experience building mobile-first Android apps and cloud-native full-stack systems. He blends mobile development expertise with strong backend and infrastructure skills—having implemented FastAPI services, AWS CloudFormation IaC, Docker/Fargate migrations, and ML model serving with TorchServe. Reuben has shipped AI and NLP features in regulated healthcare settings (Novartis) and prototyped LLM fine-tuning and DPO workflows for mental wellness products, demonstrating a pragmatic bridge between research and production. He consistently reduces operational costs and technical debt through automation and refactoring (notable ~50% cost cuts and CI/CD modernizations) while building monitoring dashboards and developer-facing tooling. Curious about on-device AI and image processing, he pursues practical experiments that bring ML capabilities closer to users without sacrificing reliability.
9 years of coding experience
4 years of employment as a software developer
Postgraduate Degree, Full Stack Software Development, Postgraduate Degree, Full Stack Software Development at Lambton CollegeBachelor of Technology - BTech, Information Technology, Bachelor of Technology - BTech, Information Technology at Manipal Institute of TechnologyHSC, Computer Science, HSC, Computer Science at St. Vincent's High School
Hindi, English
Stackoverflow
172reputation
10kreached
14answers
1question
Github Skills (48)
data-exploration10
python10
asf10
data-science10
data-engineering10
data-analytics10
data-viz10
apache10
analytics10
business-analytics10
superset10
business-intelligence10
data-visualization10
react10
flask10
Programming languages (5)
Github contributions (5)
bennyhawk/bennyhawk.github.io
Jun 2019 - Aug 2020
Contributions:38 pushes, 1 branch in 1 year 2 months
bennyhawk/Testing
Mar 2018 - Jun 2018
Contributions:18 pushes, 1 branch, 22 comments in 3 months
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