We are looking for a **mid-to-senior Java developer with FIX API experience**to help us integrate FIX API connections for broker platforms such as Interactive Brokers and Lime.You'll play a critical role in developing our live trading infrastructure, which supports low-latency, high-frequency executions at scale.
**This is an external role with immediate availability.
****You are a good fit if you have experience with**:**Backend (Languages & Frameworks)**:- Java - Spring Boot, Jakarta EE **(Core requirement)**:- Experience with FIX protocol integration using QuickFIX/J **(A must-have)**:- Basic Python proficiency - Able to read and collaborate on ML components written in Python **(Core requirement)****Trading Systems & APIs**:- Experience with financial APIs or trading systems **(Core requirement)**:- Familiarity with order management systems (OMS) is a plus- Understanding of low-latency or high-frequency architecture (bonus)**Databases**:- PostgreSQL or MySQL **(Core requirement)**:- Redis or NoSQL systems (bonus)**Tools & Others**:- Git (Version Control)- RESTful API Design and Integration- Docker (for containerized backend services)- WebSocket communication (for real-time signal processing)- Agile/Scrum methodologies**Responsibilities**:- Integrate broker APIs using FIX protocol, especially QuickFIX/J- Develop high-performance, low-latency backend components for live trade execution- Build backend support for a proprietary Order Management System (OMS)- Process real-time trading signals received via webhook and WebSocket- Write clean, testable Java code for backend services- Collaborate with Python/ML teams to integrate AI-generated trading strategies- Participate in infrastructure decisions and code reviews- Monitor and improve backend system performance, especially for HFT simulation**Certificate****Bonus Points**:- Prior experience with QuickFIX/J- Experience in financial trading systems or fintech platforms**Tags**:(Java, Spring Boot, Jakarta EE, FIX API, QuickFIX, Python, Trading Systems, Low Latency, Git, REST API, PostgreSQL, Redis, WebSockets, Backend, OMS, HFT, Remote, Mid Level, Senior Level)**Job Type**: Contract**Education**:- Bachelor's (required)**Experience**:- Java: 2 years (required)- Fix Api: 2 years (required)- Financial APIs or trading systems : 2 years (required)**Language**:- English (required)**Location**:- México Libre, Tamps.
(preferred)

📌 Java Software Engineer (Antiguo Morelos)
🏢 RocketDevs
📍 Antiguo Morelos