01Production-minded performance patterns
Creator
In-Memory Caching with .NET
A practical reference implementation for improving monolith performance with ASP.NET Core and IMemoryCache.
.NETC#ASP.NET CoreIMemoryCache
Selected work
Building useful things, from cloud systems to developer tools.
A curated set of open-source contributions, practical engineering projects, and research - each grounded in a real problem and a useful outcome.
463K+pageviews across my engineering writing
>25 OSS projectscreated to help developers learn by building
184+ countriesreached through practical engineering guides
Featured work
A few projects worth opening
Selected for their practical value, community reach, or contribution upstream.
02Feature shipped in an upstream release
Open-source contributor
GitHub API for Java
Added support for specifying fork types in repository search, contributing the feature upstream to the Java SDK.
JavaGitHub APIGitHub
03463K+ pageviews
Creator and writer
sahansera.dev
An engineering publication that has reached more than 463K pageviews across the .NET and Go communities.
AstroTypeScriptTailwind CSSStatic Site Generation
Open source and experiments
More things I've built
Focused examples, reference implementations, and useful starting points.
🧑💻 Open Source
gh-weekly-updates
A Python CLI that collects GitHub activity and uses AI to turn it into a structured weekly impact summary.
PythonGitHub APIGitHub ActionsAICLI
🧑💻 Open Source
Distributed Caching with ASP.NET Core and Redis
Improving performance of .NET microservices applications with distributed caching.
.NETC#ASP.NET CoreIDistributedCacheRedis
🧑💻 Open Source
Understanding WebSockets with .NET
A reference implementation for understanding RFC 6455 WebSockets and real-time communication with SignalR.
.NETC#ASP.NET CoreWebSocketsSignalR
🧑💻 Open Source
gRPC on Go
A simple gRPC web service written in Go without using third-party libraries.
GogRPCProtocol Buffers
🧑💻 Open Source
gRPC on .NET
Code samples for the Introduction to gRPC series in .NET.
.NETC#gRPC
🧑💻 Open Source
Adding Intelligence to React Apps with Azure Cognitive Services
Enhance your React apps with AI-powered features.
ReactAzure Cognitive ServicesNext.js
🧑💻 Open Source
Go Azure Functions
Playground for deploying Azure Functions written in Go.
GoAzureServerless
🧑💻 Open Source
Kafka Docker
Quick way to spin up a local Kafka instance with Docker.
KafkaDockerStreaming
⚡️ Side Projects
Medline Pubmed Data Extractor
A .NET data-processing tool that transforms Medline PubMed XML datasets into focused TSV exports.
.NETC#LINQTSVXML
Earlier work
Academic projects
Research and team projects that shaped how I approach data, systems, and product work.
🎓 Academic Projects
Narrative Visualization with D3.js
Built a presentation-style narrative visualization with D3.js and vanilla JavaScript, with Pandas used for dataset preparation.
D3.jsJavaScriptHTMLCSSPython
🎓 Academic Projects
Twitter Sarcastic Tweet Detection using Deep Learning
Led dataset preprocessing and BERT training for a competitive tweet-classification project that achieved a 0.754 F1 score.
PythonPyTorchDeep LearningNatural Language ProcessingBERT
🎓 Academic Projects
Self-driving car using Raspberry Pi
Built the mapping module for a self-driving Raspberry Pi car, including obstacle, route, and orientation detection.
Raspberry PiPythonComputer VisionOpenCVUltrasonic Sensor
🎓 Academic Projects
LogXTractor
Designed a web-based IDE that used machine-learning techniques to extract patterns from log files larger than 2GB. Winner of best research project and best paper awards.
CPythonMachine LearningLog AnalysisJavascript
🎓 Academic Projects
MobileHub Question Answering System
Designed and built a full-stack question-and-answer platform with voting, tagging, administration, and voice search; awarded the highest marks in the cohort.
PHPMySQLHTMLCSSREST API
Keep exploring
The projects are only part of the story.
Read the engineering notes behind the work, or learn more about how I think and build.