Real-Time Stock Trading Data Platform

Senior Full Stack / Backend Engineer (Fintech, Trading Systems) — 2 Month Contract
We’re building a high-performance prop trading platform and looking for a senior engineer to help us stabilize, scale, and optimize our system.
This is a contractual engagement with clear deliverables and potential for long-term collaboration.
Backend system is Java SpringBoot. Please show interest if you are having expertise in SpringBoot

What You’ll Work On:

1. Core Engineering (Priority)
2. Deep codebase audit & refactoring for scalability and maintainability
3. Reduce order execution latency (critical for trading performance)
4. Risk management engine involving high performance redis
5. End-to-end integration testing of backend systems

Feature Development:

1. Market Depth + Option Chain (real-time data handling)
2. Load and Stress testing
3. Observability & Metrics Layer (logs, tracing, performance monitoring)
4. Real-time Notification System (risk alerts, position updates)
5. Scalper Mode (one-click trading using existing APIs)
6. Affiliate System Enhancements

Tech Expectations

1. Strong experience in low-latency backend systems
2. Experience with trading systems / fintech infra (highly preferred)
3. Solid understanding of:
-WebSockets / real-time systems
-API optimization
-DB performance tuning
-Distributed systems / caching
-Familiar with load testing & performance optimization

Deliverables

Reduced latency in order execution
Smooth handling of high instrument load
Fully tested and stable backend
Production-ready implementation of key features

Engagement Details

Commitment: Full-time / High availability preferred
Mode: Remote
Start: Immediate Show More