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# Senior software engineer

- **Company:** MOJO INC
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $200,000.0 - $230,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Algorithmic Trading, Amazon Web Services, Microsoft Azure, Distributed Systems, Fault Tolerance, Financial Information EXchange, Software Engineering, Google Cloud, Low Latency
- **Published:** October 17, 2026
- **Apply:** https://www.nettemps.com/us/en/W59CF065075262CFF24.ntap

## About the Role

* At least ten years of experience with C+ and/or Java
 * Expertise designing and building large-scale, distributed Back End systems in Real Time or high-throughput environments in quantitative electronic trading
 * Proven experience implementing low-latency trading systems at a leading bank, brokerage, hedge fund, or exchange
 * Deep familiarity with financial exchanges, trading systems, prediction markets, or crypto exchanges, including Financial Information eXchange (FIX) protocol, order lifecycle, request for quote (RFQ) workflow, quantitative analytics, and market data processing
 * Expert-level understanding of distributed systems architecture, data models, consistency, fault tolerance, and systems performance
 * Proven ability to define long-term architectural direction and lead complex, cross-organizational technical initiatives
 * Excellent communication skills, with the ability to influence technical strategy and collaborate effectively with engineering and product leadership
 * Experience with public cloud technologies (eg AWS, GCP, Azure)
 * Experience with AI/agentic software development

## Description

We're looking for a Senior Software Engineer with deep expertise in core Back End electronic trading technology, including low latency design, Real Time market data processing, and related trading infrastructure. You will help define and evolve the technical architecture that powers our Real Time pricing and trading system. This role is deeply hands-on and ideal for an engineer who thrives on fast, objective feedback from Real Time markets - where system correctness and performance are continuously measured.

What You'll Do

 * Write high-performance, low-latency, reliable, and scalable code in C+ and/or Java
 * Define and build the architecture of the systems that power our Real Time trading, pricing, and financial data platforms
 * Lead complex, multi-team initiatives that shape the technical direction of the company
 * Collaborate to make long-term architectural decisions around scalability, fault tolerance, reliability, and system design across the platform
 * Identify, assess, and address complex, cross-cutting technical challenges, simplifying and aligning systems and technical strategy at an organizational level
 * Partner with product, data science, trading and other engineering staff to ensure our technical strategy supports the broader business vision
 * Mentor staff engineers, guide architectural reviews, and help grow the engineering team's technical capabilities
 * Participate in our on-call rotation (~1 week every 13 weeks, with 24-hour coverage) and help improve systems, processes, and reliability across the platform