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Quantitative Developer, C++ I Low-Latency Systems

Millennium, New York, New York

Posted pay

$150K–$200K

a year

Location: New York, New York
Work type: Onsite
Level: Not given
Experience: 3+ years
Skills in the job text: Python
AWS
C++
Rust
Linux
NumPy
pandas
Posted: Jun 8, 2026
Last check: 6 h ago
Job type: Quant and trading, Software engineering

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Millennium

About Millennium: funding, hiring and pay

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The role

Please direct all resume submissions to QuantTalentUS@mlp.com and reference REQ-29606 in the subject.

Overview

We are seeking a highly skilled C++ developer to architect, build, and maintain the core signal computation and alpha Infrastructure for a newly formed systematic equities pod. You will own the hot path - real-time feature computation, signal generation, and Integration with the firm's shared execution and market data platforms - and play a foundational role in shaping the technology stack from day one.

This is a hands-on role at the intersection of systems engineering and quantitative research. You will work directly with the Portfolio Manager and quantitative researchers to translate alpha signals into production-ready, high-performance trading systems.

What you will do

Design and build the core C++ signal engine: real-time feature computation, alpha signal generation, position tracking, and risk monitoring
Architect the data bridge between the C++ hot path and the Python/Polars research layer
Implement and optimize real-time alpha signal publication from the research pipeline into the firm's shared execution infrastructure
Integrate with the firm's central market data feeds and execution platforms
Develop real-time risk checks, position monitoring, logging, and alerting infrastructure
Optimize system performance: latency profiling, lock-free data structures, memory management, and network tuning
Collaborate closely with quantitative researchers to understand strategy requirements and translate prototypes (Python) into production-grade C++ code
Leverage Al-assisted development tools (Cursor, Claude Code) to accelerate

What you need

Bachelor's or Master's degree in Computer Science, Mathematics, Physics, Engineering, or a related quantitative field
3+ years of hands-on experience developing high-performance C++ server-side applications in Linux
Strong understanding of real-time and event-driven architectures with tight latency requirements
Proficiency in Python with working knowledge of Polars, Pandas, NumPy, and the PyData ecosystem
Deep familiarity with Apache Arrow and columnar data formats for cross-language interoperability
Strong understanding of network programming, Linux OS internals, and systems optimization
Experience consuming real-time market data feeds and integrating with shared execution platforms
Solid understanding of data structures, algorithms, and concurrent/multithreaded programming
Proficiency with Git, CI/CD, unit testing, and software engineering best practices.
Experience with AI-assisted coding tools (Cursor, Claude Code, Copilot) and willingness to integrate them into daily workflow

Nice to have

Experience building trading systems in a systematic equities or quant trading environment
Familiarity with low-latency optimization techniques: cache-friendly data structures, SIMD, memory-mapped I/O
Experience with Rust for performance-critical systems development
Experience with kdb+/q for time-series data
Knowledge of equity market microstructure, order types, and execution algorithms
Experience with DuckDB, Arrow Flight, or similar analytical database technologies
Familiarity with cloud infrastructure (AWS) and containerized deployments

Millennium offers a total compensation package which includes a base salary, discretionary performance bonus, and comprehensive benefits. The estimated base salary range for this position is $150,000 to $200,000, which is specific to New York and may change in the future. When finalizing an offer, we take into consideration an individual’s experience level and the qualifications they bring to the role to formulate a competitive total compensation package.

development velocity while maintaining code quality

Build and maintain backtesting and exchange simulation infrastructure for strategy validation

Read the job posting on the Millennium site

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Source: the company job board. We last checked this job 6 h ago. We first saw it 4 days ago. A job on a job board does not always mean that the team interviews people now.

Millennium

Open tech jobs: 122
With posted pay: 30%
Median posted base: $170K–$250K

About Millennium: funding, hiring and pay

Compared with similar jobs

This base pay is below the median for quant and trading jobs in New York with no level in the job title.

Median: $200K a year
Other jobs in the group: 91

We compare the middle of each posted range. This is base pay as posted. The group does not include this job.