Compliance Notices
NoticeNinja Node.js backend
We built the Node.js backend powering NoticeNinja - an enterprise compliance platform processing 9 million+ tax notices with microservices on AWS, event-driven queues, and SOC 2 compliance. This is production Node.js, not tutorial-level development. 1-week free trial. Direct communication. Strict NDA.
Compliance Notices
NoticeNinja Node.js backend
Node.js Backend Projects
Node.js backend projects delivered
Express · NestJS · Fastify
Enterprise-grade Node.js frameworks
AI-Enabled Delivery
Cursor · Claude · Codex in workflow
Global Markets
AU · UK · USA · CA · IN + 10
NoticeNinja - 9M+ Compliance Notices on Node.js + AWS
NoticeNinja is an enterprise SaaS platform automating tax notice management across the USA. Infynno designed, built, and maintains the Node.js + TypeScript backend - a microservices architecture on AWS handling millions of compliance records.
Independent Node.js services deployed and scaled on AWS EC2 + ECS
AWS SQS + BullMQ + Redis - high-volume notice intake and OCR queuing
Salesforce, Zendesk, DocuSign, Twilio, Yardi, MasterTax and more
Relational data management for compliance records and workflow state
Security and data handling built at the architecture level
AWS Lambda for processing tasks - file triggers, SQS processors, webhooks
Tech stack used
9M+
Compliance notices processed
13+
Enterprise system integrations
SOC 2
Compliance at architecture level
“Everyone is very impressed with the functionality and usability. Infynno Solutions' work meets all expectations. The team delivers high-quality work.”
Rick Pinkerman
COO & Co-Founder, NoticeNinja
What Node.js does better than most backends - and when it's not the right choice, because honest recommendations build trust
Event-driven, non-blocking I/O handles thousands of simultaneous connections on a single thread - far lower infrastructure cost than thread-per-connection models.
Socket.io on Node.js handles tens of thousands of persistent WebSocket connections - the natural choice for chat, live dashboards, and collaborative tools.
Lightweight Node.js services consuming from SQS, Kafka, or RabbitMQ start fast, scale horizontally, and integrate naturally with event-driven architecture.
When the frontend is React, Node.js enables shared TypeScript types and utilities across the full stack - reducing coordination overhead and enabling true full-stack ownership.
Node.js excels as a thin API gateway - proxying requests, aggregating data from downstream services, and enforcing auth where I/O is the primary workload.
Complex relational schemas with heavy ORM usage, PHP team already in place, or when Laravel's ecosystem (Cashier, Horizon, Sanctum) adds clear productivity gains. We'll tell you honestly.
Honest recommendation
Node.js Development Services
End-to-end Node.js backend - multi-tenant SaaS servers, background processing workers, serverless Lambda functions, and microservice architectures from greenfield to production.
What we deliver
Why Teams Choose Infynno for Node.js
8M+ compliance notices on microservices + AWS. This is production Node.js, not sandbox experience.
Typed controllers, typed service interfaces, typed Prisma models. No `any`. No implicit `undefined`.
PostgreSQL (Prisma) and MySQL (Sequelize) - not just MongoDB. Query optimization, pool tuning, index strategy.
Dependency injection, module architecture, auto-generated Swagger, guards and interceptors for enterprise backends.
Clinic.js flame graphs, heap snapshots, N+1 detection. We find the actual bottleneck, not just "we added Redis."
Cursor, Claude, and GitHub Codex daily - NestJS scaffolding, Prisma migrations, test writing, API docs. More per sprint.
The Node.js stack we work with - PostgreSQL and MySQL by default, Express or NestJS, and BullMQ for background jobs
Choose your experience level - both include a 1-week trial, direct communication, and NDA from day one
3-5 Years
Best for
5+ Years
Best for
Three ways to hire Node.js developers
Choose the model that fits your project stage - switch any time as your needs evolve.
Dedicated Hiring
You need a product-focused team that works as an extension of your company, not just a delivery vendor. A dedicated squad of developers, QA, and project lead collaborates closely with your team, owns delivery end-to-end, and adapts as requirements evolve.
Best for
Fixed Cost
Ideal for projects with clearly defined requirements, timelines, and budgets. We scope, price, and deliver against a fixed specification, ensuring predictable costs and transparent milestone-based execution.
Best for
Time & Material
Perfect for evolving products where priorities change based on user feedback and business needs. We deliver in focused sprints, giving you the flexibility to refine the roadmap while maintaining full visibility into progress and costs.
Best for
Not sure which model fits? Most clients start with a 30-minute discovery call - we'll tell you honestly what we'd recommend and why.
Book a free callFrom conversation to code - in 5-7 days
We understand your backend requirements - concurrency profile, database choice, real-time needs, and experience level required.
Common Questions
Node.js is a JavaScript runtime built on Chrome's V8 engine. Its event-driven, non-blocking I/O architecture makes it ideal for high-concurrency API servers, real-time applications, and event-driven microservices - handling many simultaneous connections without the thread-per-connection overhead of traditional server models.
Node.js wins when JavaScript full-stack is a priority, real-time WebSocket features are core, high-concurrency API performance is critical, or microservices with event-driven communication are the architecture. Laravel wins when the data model is complex and relational, the PHP team is established, or Laravel's ecosystem (Cashier, Horizon) adds specific productivity gains.
Yes. Infynno's Node.js developers are proficient with PostgreSQL (using Prisma or the raw pg driver) and MySQL (Sequelize or mysql2) - including schema design, query optimization, connection pool tuning, and migration management. The assumption that Node.js always means MongoDB is incorrect.
Yes. We profile the event loop (Clinic.js, flame graphs), identify blocking code, analyze heap snapshots for memory leaks, audit database query performance (EXPLAIN ANALYZE, N+1 detection), review connection pool configuration, and implement caching and queue solutions - with before-and-after metrics.
Yes. We execute migrations from PHP/Laravel, Python/Django, and Java Spring to Node.js (Express or NestJS) using the strangler fig pattern - keeping the existing system live during migration. The new implementation matches the existing API contract exactly for gradual traffic cutover.
Your matched Node.js developer works on a real task - an API endpoint, a BullMQ worker, a NestJS module - for one week. You evaluate code quality, TypeScript usage, error handling, test coverage, and communication before any long-term commitment. No guesswork.
Yes. TypeScript is non-negotiable for all Node.js development at Infynno. Typed controllers, typed service interfaces, typed Prisma/Sequelize models, typed environment variables. Untyped Node.js codebases are a significant maintenance liability that TypeScript prevents.
Start with a free consultation - we'll understand your backend requirements, your database stack, and your performance needs, then match you with the right developer.