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Applications and engineering evidence.

A curated collection of public engineering projects, sanitised professional case studies and reproducible technical work—each presented with clear scope and evidence.

Software applications / engineering projects

Public systems built to solve, automate and explore.

Repository-backed applications with explicit execution models, public scope and honest release status.

Document Support RAG interface with document upload, indexed files and a grounded question panel.
Software projectv1 scope completeLocal / self-hosted

Document Support RAG Chatbot

A local, self-hosted RAG application for ingesting support documents and answering questions with grounded source references.

  • Python
  • FastAPI
  • OpenAI
  • ChromaDB
View projectGitHub
Production Incident Simulator interface showing a healthy checkout flow and correlation identifier.
Software projectv1 scope completeLocal Docker incident lab

Production Incident Simulator

A local Docker incident lab for practising failure injection, observability, debugging, resilience patterns and postmortem analysis.

  • Python
  • FastAPI
  • PostgreSQL
  • Redis
View projectGitHub
Generated Excel summary dashboard with reliability metrics and an errors-by-service chart.
Software projectv1 scope completeLocal CLI utility

Log Report Automation

A local Python CLI that converts structured CSV service logs into validated, stakeholder-friendly Excel reports.

  • Python
  • pandas
  • openpyxl
  • pytest
View projectGitHub
Sasanka Maddala portfolio homepage in the dark theme.
Software projectLiveLive web application

Personal Portfolio Platform

A responsive portfolio platform for presenting verified engineering work, experience and contact workflows with production-minded delivery controls.

  • Next.js
  • React
  • TypeScript
  • Tailwind CSS
View projectGitHub

Professional engineering case studies

Engineering contributions explained without proprietary detail.

Sanitised examples of maintainability, delivery reliability, build quality and production support.

Professional case studyCompleteSanitised professional case study

Shared Python Libraries

Implemented reusable Python libraries for authentication, database interaction, Jinja templates, specifications and other shared domain functionality.

  • Python
  • Authentication
  • Database integration
  • Jinja
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Professional case studyCompleteSanitised professional case study

Container Image Delivery Workflow

Improved container build, tag, validation, scanning, push and cleanup workflows for more predictable delivery behaviour.

  • GitHub Actions
  • Docker
  • CI/CD
  • Container registries
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Professional case studyCompleteSanitised professional case study

Build Reliability and Fail-Fast Validation

Clarified Python module and build-target ownership and added early validation for shared templates and static inputs.

  • Python
  • Bazel
  • Build configuration
  • Jinja
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Professional case studyCompleteSanitised professional case study

Production Support and Failure Triage

Applied structured first-line triage, evidence analysis and cross-team escalation to customer and internal failure tickets.

  • C
  • C++
  • Python
  • Linux
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Technical / academic engineering

Reproducible technical work with clearly bounded claims.

Academic and engineering investigations presented with their assumptions, validation and release evidence.

Estimator comparison chart from the synchronized two-dimensional localization simulation.
Technical / academicv1.0.0 · ReleasedTechnical simulation

Microphone Array Localization

A MATLAB reconstruction and modernization of an academic two-dimensional sound-source localization simulation.

  • MATLAB
  • Signal processing
  • TDOA
  • LMS
View projectGitHub