SYSTEM STATUS: ACTIVE ARCHITECTURE LABS
CENTRAL GATEWAY • adarshsince90.github.io

Adarsh Pawaskar

Staff Software Engineer & Cloud-Native Systems Architect

Senior Staff Engineer and Technical Lead specializing in high-throughput distributed systems, event-driven messaging backbones, cloud-native container platforms (Kubernetes / AWS), and enterprise federated identity ecosystems across mission-critical enterprise domains.

Unifying deep backend systems rigor (.NET 10, Kafka, Vector Search) with first-principles browser runtime laboratories (React 19 Fiber & Angular 19 Signals) to eliminate cross-boundary latency, state drift, and architectural impedance mismatch between cloud backends and client runtimes.

📦 GitHub Profile (adarshsince90) 💼 LinkedIn Profile ✉️ adarshsince90@gmail.com
[01] PRODUCTION SYSTEMS & DISTRIBUTED ENGINES

Core Systems Engineering

Production-grade distributed backends, AI retrieval engines, and systems design simulators with full source code and architectural documentation.

System / Interactive Portal Live Demo Repository Primary Stack Core Architectural Focus
⚡ Conversational RAG Engine
.NET 10 Retrieval Platform
 🚀 Launch ↗ 📦 Repo ↗ C# / .NET 10, Qdrant, Groq Clean Architecture, Vector Search, SSE Streaming & ADR Governance
🏛️ AI Full-Stack Architecture Hub
Visual System Design Simulator
 🚀 Launch ↗ 📦 Repo ↗ Vanilla ES6+, CSS3, HTML5 9 Interactive Simulators (Saga, OAuth2 PKCE, Event Loop)
⚛️ React 19 Runtime Portal
Execution Internals Laboratory
 🚀 Launch ↗ 📦 Repo ↗ React 19, TS, Vite Fiber Reconciliation, Concurrency, Closure Traps & RSC
🅰️ Angular Enterprise Architecture
Signals & Zoneless Laboratory
 🚀 Launch ↗ 📦 Repo ↗ Angular 19+, Signals, RxJS Signal Primitives, Zoneless CD, OnPush, Micro-Frontends
🤖 ResuMatch AI
Zero-PII Client-Side AI ATS
 🚀 Launch ↗ — React 19, IndexedDB, Groq Zero-PII Client-Side AI ATS & Vector PDF Generator
⚡

Conversational RAG Engine (.NET 10)

Production AI Retrieval Platform & Automated Evaluation Suite
C# / .NET 10 Qdrant Vector DB Ollama & Groq Clean Architecture ADR Governance

A conversational Retrieval-Augmented Generation (RAG) platform built from first principles in .NET 10, adhering strictly to Clean Architecture, Dependency Inversion, and automated evaluation gates. Built progressively from raw mathematical foundations (TF-IDF vectorization and custom cosine similarity) up to a persistent vector database with HNSW indexing.

Multi-Provider Inference: Seamless runtime switching between private local inference (Ollama) and high-throughput cloud LLMs (Groq).
Memory & Streaming: Multi-turn sliding context window with token-level Server-Sent Events (SSE) via ASP.NET Core IAsyncEnumerable.
Automated Evaluation Suite: Integrated 12-question benchmark suite measuring groundedness, relevance, and latency backed by documented Architecture Decision Records.
Companion Portal: Hosted interactive architecture hub with live query visualizers and 16 architectural assessment guides.
🚀 Launch Architecture Portal ↗ 📦 View GitHub Repository ↗
🏛️

AI Full-Stack Architecture Hub

Zero-Dependency Visual Simulation Engine & Systems Knowledge Base
Vanilla ES6+ Zero-Dep Native APIs 9 Simulators Distributed Systems

An open-source visual simulation platform and architecture knowledge base for Staff Engineers, Technical Leads, and Distributed Systems Architects. Built entirely with native browser APIs (zero npm runtimes) for instant loading, deterministic execution, and GitHub Pages hosting.

9 Visual Simulators: Client-side playgrounds for Event Loop microtasks, Distributed Saga orchestrations, and OAuth2 PKCE token handoffs.
24 Architectural Guides: Deep dives into C# 12/13 internals, DDD/CQRS, AWS/Azure cloud topologies, and Fiber vs Signals execution models.
Systems Search Index: 292-term engineering index with client-side AI assistant and localized progress tracking.
Zero Abstraction Leaks: Pure CSS3 and native DOM pipelines executing without external bundle overhead.
🚀 Launch Simulation Engine ↗ 📦 View GitHub Repository ↗
[02] FIRST-PRINCIPLES RUNTIME LABORATORIES

Browser Runtime Execution Internals

To eliminate impedance mismatch between distributed backends and frontends, I built two specialized architecture portals dissecting browser runtimes from first principles.

⚛️ React 19 Runtime Portal

React 19 & Vite

Dissecting JavaScript execution contexts, the V8 microtask queue, Fiber reconciliation, and Concurrent Mode scheduling from the inside out.

  • Call Stack vs Microtasks: Event loop prioritization and macrotask scheduling boundaries.
  • Fiber Tree Internals: Cooperative multitasking, lanes priority, and work loop scheduling.
  • Closure State Traps: Memory references, stale closure models, and reconciliation trees.
  • Cross-Platform Bridge: Translating concepts directly for enterprise .NET (async/Task) and Angular engineers.
Launch Portal ↗ Repo ↗

🅰️ Angular 19+ Architecture

Angular 19+ & Signals

Enterprise architecture portal breaking down Signal primitives, fine-grained reactivity graphs, and Zoneless change detection scheduling.

  • Reactive Primitives: Direct breakdown of computed, effect, and linkedSignal.
  • Zoneless Scheduling: Eliminating Zone.js runtime monkey-patching for OnPush optimization.
  • Hierarchical DI: Element Injector vs Environment Injector trees and resolution algorithms.
  • Enterprise Integration: Micro-frontends (Module Federation) and OIDC token handoffs.
Launch Portal ↗ Repo ↗
[03] CLIENT-SIDE SECURITY & EMBEDDED AI

ResuMatch AI — Zero-PII Resume Engine

A fully client-side resume builder and ATS matching engine demonstrating strict zero-data-leakage privacy.

🤖

ResuMatch AI

Zero-PII Client-Side AI Resume Builder & ATS Scanner
React 19 & TypeScript IndexedDB (LocalForage) Groq Llama 3.3 Vector PDF Generator

Engineered with a strict Zero-PII Privacy Architecture: 100% of candidate data resides exclusively in the browser's IndexedDB storage with zero telemetry or profile persistence on external servers.

Dual ATS Match Engine: Multi-metric scoring (keyword density, formatting audit, structural validation) with pixel-perfect vector PDF output.
Streaming LLM Inference: Multi-model BYOK streaming via Groq Llama 3.3 and Gemini REST APIs.
Test Suite Rigor: 139 Vitest unit tests and 65 Playwright E2E specs running in automated CI/CD.
Zero Backend Footprint: Completely serverless client-side operational model.
🚀 Launch ResuMatch AI ↗ (Hosted Production Client)
CORE TECHNICAL ARSENAL & KEYWORD INDEX Quick Verification: Languages, Cloud, Distributed Systems & AI
Architecture & System Design
System Design (HLD / LLD)• Distributed Systems• Microservices• Event-Driven Architecture• Clean Architecture & DDD• CQRS• Saga Pattern• Transactional Outbox• C4 Model & ADRs• Threat Modeling & NFRs
Scalability, Messaging & Ingress
Apache Kafka• Redis Multi-Tier Caching• Performance Tuning & Low-Latency• AWS SQS & SNS• RabbitMQ• SignalR & WebSockets• gRPC / HTTP/2• Server-Sent Events (SSE)• Idempotency & Circuit Breakers
Cloud, DevOps & SRE
AWS (EKS, Lambda)• Azure• Kubernetes (K8s)• Docker Containers• OpenTelemetry (OTel Tracing)• Prometheus & Grafana• GitOps & CI/CD• Terraform IaC• SLOs & Error Budgets
Data, Storage & AI Systems
SQL Server• PostgreSQL• MongoDB• Vector Databases (Qdrant)• Production RAG & LLMs• HNSW Indexing• Sliding-Window Memory• Zero-PII Data Models
Runtimes & Execution Vehicles
C# / .NET 10 & 8• ASP.NET Core Minimal APIs• EF Core• TypeScript• Modern JavaScript (ES6+)• React 19 (Fiber / Concurrency)• Angular 19+ (Signals / Zoneless)• Python• Web Components / Shadow DOM
[04] SYSTEM LIFECYCLE & GOVERNANCE

End-to-End Systems Engineering Lifecycle

From strategic domain decomposition to production telemetry: how I govern, design, build, and operate resilient enterprise systems.

STAGE 01 📋
Requirements & Domain Modeling
Strategic DDD bounded contexts, ubiquitous language, and rigorous NFR contracts (latency p99, RPO/RTO, availability targets).
Strategic DDD NFR Contracts Bounded Contexts
STAGE 02 📐
System Design & Governance
C4-model HLD/LLD blueprints, immutable Architecture Decision Records (ADRs), and threat modeling for data boundaries.
C4 Model ADR Rationale Threat Modeling
STAGE 03 ⚡
Distributed Fabric & Ingress
Asynchronous event meshes, Outbox atomicity, real-time WebSockets/SignalR, and gRPC inter-service communication.
Transactional Outbox Kafka / SQS SignalR & gRPC
STAGE 04 🚀
Progressive Delivery & CI/CD
GitOps declarative deployments, Canary & Blue/Green releases, Testcontainers in automated integration test gates.
GitOps Canary / Blue-Green Testcontainers
STAGE 05 📊
Telemetry & SRE Reliability
Full-stack OpenTelemetry (OTel) distributed traces, Prometheus metrics, Grafana dashboards, and SLO/error budget governance.
OpenTelemetry Distributed Tracing SLOs / Error Budgets
[05] ENTERPRISE ARCHITECTURE DOMAINS

Architectural Competencies & Production Technologies

Systematic taxonomy of patterns, frameworks, and cloud-native tools applied to build high-scale distributed applications.

⚡
Event-Driven Architecture & Messaging
Brokers & Streams Apache Kafka, RabbitMQ, AWS SQS & SNS, EventBridge
Consistency Patterns Transactional Outbox Pattern, Choreographed & Orchestrated Sagas, CQRS
Resilience & Delivery Dead Letter Queues (DLQ), Exponential backoff with jitter, At-least-once / Idempotency
☁️
Cloud-Native Platforms & Containers
Orchestration & Compute Kubernetes (EKS / AKS), Docker, AWS Lambda, Azure Functions
Autoscaling & Ingress KEDA event-driven autoscaling, HPA, Helm charts, AWS ALB/NLB, CloudFront CDN
Infrastructure as Code Terraform, CloudFormation, VPC Peering, PrivateLink endpoints
🌐
Real-Time Ingress & Network Protocols
Bi-directional Protocols ASP.NET Core SignalR, WebSockets (Redis Backplane), gRPC / HTTP/2
Unidirectional Streaming Server-Sent Events (SSE) via IAsyncEnumerable for token-level LLM streaming
Reverse Proxies & Resilience YARP / Envoy reverse proxies, Polly Circuit Breakers, Rate Limiting (Token Bucket)
🔐
Enterprise Identity & Zero-Trust
Protocols & Standards OpenID Connect (OIDC), OAuth 2.0 PKCE, Client Credentials, mTLS
Identity Brokers Duende IdentityServer, Auth0 SaaS, Microsoft Entra ID
Session Governance Stateless JWT validation via JWKS, Rolling refresh tokens, Distributed Redis revocation
🚀
Progressive Delivery & CI/CD
Deployment Strategies Canary releases, Blue/Green deployments, Feature Flags, Automated rollback gates
Test Verification Pyramids Testcontainers (Dockerized Qdrant/Postgres in CI), Contract Testing (Pact)
Automation Engines GitHub Actions, ArgoCD GitOps pipelines, Trunk-based delivery with branch protection
📊
Full-Stack Observability & SRE
Distributed Tracing OpenTelemetry (OTel), W3C TraceContext propagation, Jaeger, AWS X-Ray
Metrics & Logging Prometheus, Grafana, Structured Logging (Serilog / FluentBit), CloudWatch
Reliability Disciplines SLOs & SLIs, Error Budget management, Health Checks, Incident Root-Cause Analysis (RCA)
[06] LEADERSHIP & CAREER TRACK

Professional Experience

11+ years of proven delivery across enterprise cloud platforms and mission-critical architectures.

Senior Staff Engineer / Systems Architect
Nagarro • Global Commodities Intelligence Platform
FEB 2022 – PRESENT
  • Identity & Access Platform: Architected a centralized authorization & SSO platform leveraging Auth0 SaaS and OIDC with Duende IdentityServer, delivering fine-grained access control managers and client entitlement administrative portals.
  • Secure Session Propagation: Engineered high-performance reverse proxy authentication services ensuring secure token propagation and zero-trust session handoffs across multiple autonomous microservices.
  • Enterprise Microservices (.NET 8 / .NET 10): Designed and operated high-throughput, low-latency microservice architectures handling mission-critical proprietary market data streams.
  • Production GenAI & Vector Retrieval: Formulated architectural patterns for LLM-based embeddings and enterprise RAG systems with entitlement-aware retrieval filters to prevent cross-customer data leakage.
  • CI/CD & Operational Governance: Streamlined build and deployment pipelines using TeamCity and Octopus Deploy, instituted ADR governance, and led technical mentorship across distributed engineering pods.
Development Engineer
KAS Services (Kmart Australia) • Merchandise Planning Platform
JAN 2021 – FEB 2022
  • Retail Operations Planning: Engineered distributed backend microservices utilizing .NET Core within an enterprise merchandise forecasting and retail planning platform.
  • CI/CD & Refactoring: Automated deployment pipelines, defined resilient service domain boundaries, and refactored core transaction bottlenecks to boost platform scalability.
  • Cross-Functional Delivery: Partnered closely with enterprise business analysts and product leadership to translate complex retail logistics workflows into high-throughput software architectures.
Software Developer / Senior Developer
Aptean • Enterprise Complaint Management Platform
FEB 2018 – JAN 2021
  • AWS Cloud Migration: Spearheaded application modernisation from legacy monolith to .NET Core and AWS Serverless (Lambda, API Gateway), trimming cloud operational costs by ~30% while dramatically improving fault tolerance.
  • Configurable Workflow Engine: Designed robust workflow and state-machine engines for mission-critical complaint tracking, SLAs, and regulatory dispute resolution.
  • NLP & Text Intelligence: Integrated AI-powered sentiment analysis and text intelligence services to classify incoming customer incident tickets automatically.
  • Engineering Quality: Mentored junior engineers, introduced comprehensive unit and integration testing pipelines, and elevated test coverage across the application lifecycle.
Software Engineer
QuickMove Technologies • CRM / ERP Enterprise Platform
MAY 2015 – FEB 2018
  • Core Enterprise Services: Owned backend service layers, business logic engines, and database schema architectures for an enterprise CRM/ERP system serving international relocation logistics.
  • Real-Time Mobile Synchronization: Engineered bi-directional data synchronization mechanisms between mobile field endpoints and relational SQL Server clusters.
  • Full-Stack Coordination: Directed API contracts and delivery integrations across frontend web, backend systems, and mobile engineering squads.
[07] CONTINUOUS GOVERNANCE & CREDENTIALS

Certifications & Accreditations

Categorized credentials and verified skill assessments across Multi-Cloud Architecture (AWS & Azure), Enterprise Security (OWASP Top 10), and Applied Generative AI orchestration.

ARCHITECTURAL GOVERNANCE & CERTIFIED CREDENTIALS 13 VERIFIED CREDENTIALS • 4 THEMATIC DOMAINS
☁️
Multi-Cloud & Architecture
3 Credentials • AWS & Microsoft Azure
AWS Certified Cloud Practitioner • Amazon Web Services (AWS)
JUN 2021 Valid thru 2024
Microsoft Certified: Azure Fundamentals (AZ-900) • Microsoft
JUN 2021 Active Credential
AWS Cloud Practitioner Essentials • Amazon Web Services (AWS)
JAN 2021 Completed
🔒
Application Security & Governance
1 Credential • OWASP Top 10 Threat Modeling
The OWASP Top 10 Demystified • Udemy Credential ID: UC-delb32d8-66ac-45f2-a112-0306d7ae71d8
MAR 2022 Verified ID
🧠
Applied Generative AI & Systems
7 Accreditations • Tools, Semantic Kernel, Prompts & SDLC
Building Apps with AI Tools: ChatGPT, Semantic Kernel, and LangChain • LinkedIn Learning
DEC 2023 Accredited
Learning AI with GitHub Copilot • LinkedIn Learning
DEC 2023 Accredited
Pair Programming with AI • LinkedIn Learning
DEC 2023 Accredited
UX for AI: Design Practices for AI Developers • LinkedIn Learning
DEC 2023 Accredited
Reimagine Software Development Life Cycle (SDLC) with AI • Udemy
MAR 2026 Accredited
Generative AI for Beginners: Fundamentals, Tools & Prompts • Udemy
MAR 2026 Accredited
Using AI Imagery for Illustration and Design • LinkedIn Learning
DEC 2023 Accredited
💻
Language & Algorithmic Foundations
2 Assessments • Verified C# & Problem Solving
C# (Basic) Skills Assessment • HackerRank
FEB 2021 Verified Skills
Problem Solving (Basic) Skills Assessment • HackerRank
FEB 2021 Verified Skills