Founding Backend Developer (Node/NestJS & Microservices)

Founding Backend Developer (Node/NestJS & Microservices)

Equity Only | Pre-Seed Stage Startup | India Only

About Us We are building an

industry-leading FinTech mobile app

that brings hedge-fund-grade trading intelligence to everyday investors. Think Robinhood, but powered by

AI-driven insights, ultra-low-latency systems, and transparent user experiences .

As part of our

founding technical team , you will architect and implement the

backend foundation

that powers our entire platform — from trading services and portfolio management to real-time data streaming and user-facing APIs.

The Role We are seeking a Founding Backend Developer with in-depth expertise in

Node.js, NestJS, and microservices architecture

to design and deliver the high-performance backend powering our trading platform. This is a

hands-on, builder role : you will create systems that handle

real-time financial data, low-latency execution pipelines, and mission-critical APIs

that integrate with frontend apps, AI engines, and external brokerage APIs. You will bring a

DIY founder mindset , taking ownership of backend reliability, security, and scalability in an

equity-only, pre-funding environment .

What You’ll Do Backend Architecture & Development Design and implement

low-latency, high-throughput microservices

using

Node.js and NestJS . Build real-time APIs and services over

REST, WebSockets, and gRPC

to support live trading, portfolio updates, and event-driven alerts. Optimize systems for

sub-100ms response times

where required, enabling trading-grade performance. API-First Development Define clear API contracts and generate

Swagger/OpenAPI documentation . Ensure seamless integration with

mobile frontend ,

AI/ML services , and

data pipelines . Security & Compliance Implement authentication and authorization (JWT, OAuth2). Integrate secure practices for handling financial and personal data (KYC, 2FA, PCI/DSS awareness). Establish logging, monitoring, and audit trails for regulatory alignment. Scalability & Reliability Design systems that can scale horizontally under heavy load. Ensure fault tolerance, failover mechanisms, and efficient resource utilization. Build observability into services with metrics, tracing, and alerts. Collaboration & Startup DNA Work closely with the

Frontend ,

AI , and

Data Engineering

teams to build seamless end-to-end flows. Take full ownership of backend development: from initial design to deployment and monitoring. Contribute to technical vision and make early architectural choices that define the company’s long-term success.

What We’re Looking For 10+ years of backend development experience , with strong proficiency in

Node.js

and

NestJS . Proven expertise in designing and implementing

microservices

and

API-driven architectures . Hands-on experience building

low-latency, high-performance systems

(sub-100ms response targets). Solid knowledge of

REST, WebSockets, gRPC , and event-driven architectures. Experience with

Swagger/OpenAPI , API lifecycle management, and contract-first development. Strong understanding of

cloud-native practices , containerization, and CI/CD pipelines. Familiarity with

financial/trading systems

is a major plus. Deep knowledge of

security practices

(JWT, OAuth2, KYC workflows, PCI compliance awareness). A

DIY builder and founder mindset : resourceful, entrepreneurial, and willing to operate in ambiguity. Willingness to work in an

equity-only, pre-funding startup

environment.

Why Join Us Be the

founding architect of backend systems

that power a next-gen FinTech platform. Build

Robinhood-class infrastructure

with

trading-grade performance and reliability . Collaborate with a small, elite founding team across AI, Data, and Frontend. Equity-based compensation at

pre-angel stage : high risk, high reward, massive ownership potential. Shape the

core product and technology stack

at the ground floor.