SaaS Portfolio and Case Studies

Project Overview DoThatTask is a cross-platform task management and workflow automation platform engineered for high-velocity distributed teams. Eternitech was brought in to architect, build, and scale the unified ecosystem—spanning a real-time web application, a native Electron desktop client, a lightweight Chrome extension, and a deep WordPress plugin integration. The Architectural Challenge The core technical hurdle was establishing instant bidirectional synchronization across multiple client runtimes while maintaining sub-second latency and offline capability. The application required robust state reconciliation to prevent race conditions when users modified tasks across the desktop client and mobile web concurrently. Engineering Solution & Tech Stack Our senior engineering operators established an event-driven architecture using Laravel REST APIs, Redis message queuing, and Vue.js frontends. We implemented optimistic UI updates with an indexedDB client cache, enabling frictionless offline task management and conflict-free background synchronization upon network reconnection. Vue.js & Vuex: Reactive frontend state management across web and desktop runtimes. Laravel & Redis: Scalable backend microservices and asynchronous queue processing. Electron & Chromium: Cross-platform desktop builds for macOS, Windows, and Linux. Chrome Extension: Manifest V3 contextual quick-capture utility for web browsers. Business Outcomes & Impact DoThatTask scaled smoothly to tens of thousands of active task automations with a 99.98% API availability SLA. Eternitech continues to provide tier-3 architectural guidance and feature delivery sprints.

Project Overview Tabitha is an enterprise conversational AI chat assistant designed to automate corporate knowledge retrieval, customer support ticket triage, and compliance workflows without exposing private corporate telemetry to public model training sets. The Architectural Challenge Enterprise clients required stringent zero-retention data privacy guarantees, SOC2 compliance, and sub-second token streaming responses. The system needed to orchestrate multiple LLM foundation models dynamically based on query complexity and cost parameters. Engineering Solution & Tech Stack Eternitech engineered a modular AI gateway leveraging FastAPI, streaming Server-Sent Events (SSE), and pgvector PostgreSQL embeddings. We designed a client-side encryption layer and automated prompt injection moderation filter that sanitizes all incoming queries before dispatching to model endpoints. LLM API Orchestration: Dynamic routing across Claude, GPT-4, and self-hosted open-weights models. Vector Search & RAG: Chunking and semantic indexing with pgvector and hybrid keyword search. React & Tailwind: Fluid, accessible streaming conversational user interface. Security & Moderation: Real-time PII redacting and automated prompt injection defense. Business Outcomes & Impact Tabitha reduced customer support response times by 74% across enterprise pilot deployments while cutting operational API costs through intelligent prompt caching and model tiering.

Project Overview Lessoons is a comprehensive interactive e-learning platform delivering low-latency live video streaming, synchronized interactive whiteboards, course subscription billing, and automated instructor payout scheduling. The Architectural Challenge Streaming interactive video lectures to hundreds of concurrent global students required adaptive bitrate video encoding, real-time WebSocket messaging, and PCI-compliant recurring billing across diverse local currencies and tax jurisdictions. Engineering Solution & Tech Stack Eternitech engineered the platform utilizing WebRTC for ultra-low latency peer connections, Node.js WebSocket orchestration servers, and a resilient Next.js frontend with Stripe Connect marketplace billing integration. WebRTC & HLS Video: Adaptive live video streaming with sub-second classroom interactivity. Next.js & Tailwind CSS: High-performance server-rendered course discovery catalog. Node.js & Socket.io: Real-time shared whiteboard canvas and synchronized student quiz engines. Stripe Connect: Multi-currency global marketplace subscriptions and automated split payouts. Business Outcomes & Impact Lessoons successfully hosted over 50,000 live interactive classroom hours in its first year of launch with zero stream dropouts and seamless international subscription growth.

Project Overview Cash-It is an automated financial management and cash flow intelligence platform engineered for scaling B2B companies, startups, and SMBs seeking predictive runway modeling and receivables optimization. The Architectural Challenge Connecting securely to disparate financial accounting systems (QuickBooks, Xero, Stripe, Plaid) required bank-grade 256-bit encryption, resilient webhook pipelines, and real-time statistical forecasting models to alert executives to upcoming cash flow deficits. Engineering Solution & Tech Stack Eternitech architected a secure financial data ingestion pipeline using Python microservices, AWS Lambda event handlers, PostgreSQL time-series partitioning, and a responsive React analytical dashboard with interactive charting. Plaid & Accounting Integrations: OAuth 2.0 banking feeds and continuous balance reconciliation. Python & Pandas Forecasting: Predictive runway analytics and automated cash deficit alerts. PostgreSQL Time-Series: Partitioned ledger tables optimized for high-volume financial transactions. React & Recharts: Intuitive executive cash visibility dashboards and budget simulations. Business Outcomes & Impact Cash-It enabled CFOs and founders to eliminate manual spreadsheet forecasts, uncovering an average of 18 days of working capital efficiency within 30 days of onboarding.

Project Overview AnyOnlineTool is a suite of 90+ web-based developer utilities, formatters, minifiers, and cryptographic encoders designed to provide fast, privacy-first web utilities without signups, advertisements, or tracking scripts. The Architectural Challenge Handling millions of monthly tool executions without excessive cloud hosting expenses required offloading computation to client-side Web Workers and browser sandboxes while maintaining instant page loading and maximum search engine discoverability. Engineering Solution & Tech Stack Eternitech architected a static-first Next.js infrastructure backed by Cloudflare edge caching. All transformations—including JSON minification, RegEx testing, and cryptographic hashing—run client-side in sandboxed JavaScript threads, ensuring sensitive customer code never leaves their device. Next.js Static Export: Pre-rendered static HTML routes achieving sub-100ms First Contentful Paint. Client-Side Web Workers: Heavy file processing and minification executed in isolated browser threads. SEO & AEO Architecture: Complete Schema.org structured data, semantic heading hierarchies, and zero tracking cookies. Cloudflare Edge Network: Global asset distribution delivering instant cache hits worldwide. Business Outcomes & Impact AnyOnlineTool grew into a high-traffic developer resource generating over 1.2M annual organic impressions with negligible infrastructure expenditure and outstanding user retention.

Project Overview NoReason is an AI-powered marketplace and browser extension ecosystem designed to automate generative content workflows, multi-modal asset creation, and productivity macros directly inside browser tabs. The Architectural Challenge Delivering real-time generative output across arbitrary third-party web forms required a non-intrusive content script architecture, rate-limiting guards, and secure client-side API key management. Engineering Solution & Tech Stack Eternitech developed a modern Chrome Manifest V3 extension paired with a cloud synchronization backend built on Node.js, Express, and Redis. The extension features contextual prompt injection, keyboard shortcuts, and automated output formatting. Chrome Manifest V3: High-performance background service workers and secure isolated DOM scripts. Node.js & Redis: Ephemeral token verification and rate-limited API gateway. React & Web Components: Shadow DOM UI overlays that integrate seamlessly into any webpage styling. AI Model Connectors: Pluggable API adapters for vision, text generation, and translation models. Business Outcomes & Impact NoReason established a loyal user base of productivity power users, enabling rapid generative asset creation with an average task acceleration of 4.5x.