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Freelance Algorithmic Trading Programmer Jobs in Boston, MA

Draper

Senior Navigation Analysis Engineer

Cambridge, MA · On-site +1

$82K - $220K/yr

... design trades to support a design. Designs algorithms using modern theory and proven techniques ... Skills/Abilities Strong programming skills in MATLAB, Simulink, Python, C/C++. Excellent analytical ...

Draper

Senior Navigation Analysis Engineer

Cambridge, MA · On-site

$82K - $220K/yr

... trades to support a design. • Designs algorithms using modern theory and proven techniques. • ... Skills/Abilities • Strong programming skills in MATLAB, Simulink, Python, C/C++. • Excellent ...

Draper

Senior Navigation & Tracking Engineer

Cambridge, MA · On-site +1

$82K - $205K/yr

... design trades to support a design. Designs algorithms using modern theory and proven techniques ... Skills/Abilities Strong programming skills in MATLAB, Simulink, Python, C/C++. Excellent analytical ...

Draper

Senior Guidance & Control Engineer

Cambridge, MA · On-site +1

$82K - $220K/yr

... design trades to support a design. Designs algorithms using modern theory and proven techniques ... Skills/Abilities Strong programming skills in MATLAB, Simulink, Python, C/C++. Excellent analytical ...

Draper

Senior Navigation & Tracking Engineer

Cambridge, MA · On-site

$82K - $205K/yr

... trades to support a design. • Designs algorithms using modern theory and proven techniques. • ... Skills/Abilities • Strong programming skills in MATLAB, Simulink, Python, C/C++. • Excellent ...

Draper

Senior Flight Software Engineer

Cambridge, MA

$133K - $176K/yr

The Software Engineer (SMTS) develops high performance solutions for resource constrained targets ... trades to support a design. * Designs algorithms using modern theory and proven techniques.

Draper

Senior Guidance & Control Engineer

Cambridge, MA · On-site

$82K - $220K/yr

... trades to support a design. • Designs algorithms using modern theory and proven techniques. • ... Skills/Abilities • Strong programming skills in MATLAB, Simulink, Python, C/C++. • Excellent ...

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All JobsAlgorithmic Trading Programmer JobsFreelance Algorithmic Trading Programmer JobsFreelance Algorithmic Trading Programmer Jobs in Boston, MA

Freelance Algorithmic Trading Programmer information

See Boston, MA salary details

$44K

$87.6K

$121.7K

How much do freelance algorithmic trading programmer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for freelance algorithmic trading programmer in Boston, MA is $87,634.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,900.00 and $100,500.00 per year, depending on experience, location, and employer.

What are some typical challenges freelance algorithmic trading programmers face when working with clients?

Freelance algorithmic trading programmers often encounter challenges such as aligning with clients' diverse strategies, accommodating rapid changes in trading requirements, and ensuring robust backtesting for different market conditions. Effective communication is key, as clients may have varying levels of technical understanding and expectations regarding performance and risk management. Additionally, freelancers must stay updated on compliance standards and platform-specific APIs, which can differ significantly between projects.

What are the key skills and qualifications needed to thrive as a freelance algorithmic trading programmer, and why are they important?

To thrive as a Freelance Algorithmic Trading Programmer, you need strong programming skills (often in Python, C++, or Java), a solid understanding of financial markets, and experience with quantitative analysis. Familiarity with trading platforms (like MetaTrader, NinjaTrader, or Interactive Brokers API), backtesting frameworks, and relevant certifications such as CFA or CQF can be highly valuable. Outstanding problem-solving, attention to detail, and effective communication with clients set top performers apart. These skills are crucial for building reliable, profitable trading algorithms and translating complex financial requirements into robust, real-world solutions.

What is the difference between Freelance Algorithmic Trading Programmer vs Quantitative Analyst?

AspectFreelance Algorithmic Trading ProgrammerQuantitative Analyst
CredentialsProgramming skills, trading platform knowledge, sometimes certifications like CQFAdvanced degrees in finance, mathematics, or statistics, certifications like CFA or FRM
Work EnvironmentIndependent, remote, project-basedIn-house or consulting, often office-based
Industry UsageDevelops trading algorithms for clients or personal tradingAnalyzes financial data to inform trading strategies and risk management

While both roles involve quantitative skills and financial markets, Freelance Algorithmic Trading Programmers focus on coding and developing trading algorithms independently, whereas Quantitative Analysts analyze data to support trading decisions within organizations.

What is a freelance algorithmic trading programmer?

A Freelance Algorithmic Trading Programmer is a professional who designs, develops, and implements trading algorithms for financial markets on a contract or project basis. They use programming languages like Python, C++, or Java to create automated systems that can execute trades based on predefined strategies without human intervention. These programmers often collaborate with traders, investment firms, or hedge funds to build, backtest, and optimize trading algorithms that aim to maximize profits and minimize risks. Working independently, they may also advise clients on best practices, maintain trading infrastructure, and ensure compliance with relevant financial regulations.
What are the most commonly searched types of Algorithmic Trading Programmer jobs in Boston, MA? The most popular types of Algorithmic Trading Programmer jobs in Boston, MA are:
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Freelance Algorithmic Trading Programmer jobs near you

Principal Engineer, State Estimation (R4602)

Shield AI

Boston, MA • On-site

$270K - $400K/yr

Full-time

Re-posted 11 days ago

Job description

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI's technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. 

Job Description:
We are looking for an experienced state estimation engineer to design, develop, and support the deployment of safety-critical navigation solutions for aerospace platforms. This role requires deep expertise in state estimation theory, extensive practical experience implementing ownship navigation systems in the aerospace domain, and strong software development skills for production-quality navigation code. The engineer will design and implement a unified navigation architecture that supports traditional GNSS/IMU fusion while being extensible to all-source navigation strategies incorporating diverse sensing modalities for GPS-degraded and denied environments.
What you'll do:
Navigation System Architecture & Design:
  • Establish navigation performance requirements and error budgets for safety-critical applications 
  • Support decomposition of navigation requirements into allocations for sensors, estimation algorithms, and software components 
  • Design detailed software architecture for state estimation implementations, including module interfaces and data flow 
Algorithm Development & Implementation:
  • Design and implement Extended Kalman Filter algorithms for navigation applications, with broad understanding of state estimation theory and alternative filtering approaches 
  • Implement tightly-coupled and loosely-coupled GNSS/INS integration algorithms 
  • Integrate diverse sensing modalities (vision, RF, celestial etc.) into multi-sensor fusion framework for GPS-degraded environments 
  • Develop fault detection, isolation, and recovery (FDIR) strategies for navigation systems 
  • Implement integrity monitoring and protection level calculations for safety-critical operations 
Certification & Verification:
  • Develop verification and validation test plans for navigation algorithms 
  • onduct performance analysis including Monte Carlo simulation, covariance analysis, and flight test data evaluation 
  • Document navigation system design, requirements allocation, and compliance evidence 
  • Support safety assessment activities including failure modes and effects analysis 
Technical Leadership:
  • Provide technical guidance on navigation architecture and state estimation approaches 
  • Support trade studies evaluating navigation sensor suites and fusion strategies 
  • Mentor junior engineers on state estimation theory and implementation 
Required qualifications:
  • MS or PhD in Computer Science, Software Engineering, Electrical Engineering, Aerospace Engineering, Mechanical Engineering, Applied Mathematics, or related field 
    15+ years of experience developing state estimation algorithms for aerospace navigation applications 
  • Demonstrated experience implementing GNSS/INS integration solutions 
  • Experience with safety-critical system development and certification processes 
  • Deep understanding of state estimation theory 
  • Experience implementing multi-sensor fusion algorithms in production systems 
  • Strong background in inertial navigation, GNSS positioning, and sensor error modeling 
  • Strong programming skills in C/C++ and Python/MATLAB for algorithm development and analysis 
  • Understanding of integrity monitoring, protection levels, and safety assessment methods 
  • Experience with requirements management and verification/validation processes for certifiable systems 
  • Understanding of GPS/GNSS signal structure, error sources, and performance characteristics 
  • Knowledge of IMU error models, calibration, and Allan variance analysis 
  • Familiarity with alternative navigation sensors (camera, RF ranging, celestial, etc.) 
  • Understanding of navigation performance metrics (accuracy, integrity, continuity, availability)
  • Must be eligible to obtain a clearance
  • Ability to obtain a S//SAR level security clearance desired.
Preferred qualifications:
  • PhD in relevant field with focus on state estimation or navigation 
  • Direct involvement in certified navigation system development from requirements through flight test 
  • Experience with specialized navigation approaches (vision-aided navigation, terrain-referenced navigation, celestial navigation, etc.) 
  • Publications or patents in navigation or state estimation 
  • Experience with GPS/GNSS jamming and spoofing mitigation techniques 
$270,000 - $400,000 a year
#LI-SM1
#LF

Full-time regular employee offer package:
Pay within range listed + Bonus + Benefits + Equity
 
Temporary employee offer package:
Pay within range listed above + temporary benefits package (applicable after 60 days of employment)
 
Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. All offers are contingent on a cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits. Please speak to your talent acquisition representative for more information.
 
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Shield AI is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know. 
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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