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Freelance Algorithmic Trading Software Developer Jobs in Philadelphia, PA

asrcfh

Software Engineer

Moorestown, NJ · On-site

... trade studies, modeling and simulation, or integration and test * Solid State Radar Experience ... Radar systems development experience including algorithms, software, data analysis, and modeling ...

asrcfh

Software Engineer

Moorestown, NJ · On-site

... trade studies, modeling and simulation, or integration and test * Solid State Radar Experience ... Radar systems development experience including algorithms, software, data analysis, and modeling ...

asrcfh

Senior Software Engineer

Moorestown, NJ · On-site

$120K - $159K/yr

... trade studies, modeling and simulation, or integration and test * Solid State Radar Experience ... Radar systems development experience including algorithms, software, data analysis, and modeling ...

asrcfh

Senior Software Engineer

Moorestown, NJ

$120K - $159K/yr

... trade studies, modeling and simulation, or integration and test * Solid State Radar Experience ... Radar systems development experience including algorithms, software, data analysis, and modeling ...

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All JobsAlgorithmic Trading Software Developer JobsFreelance Algorithmic Trading Software Developer JobsFreelance Algorithmic Trading Software Developer Jobs in Philadelphia, PA

Freelance Algorithmic Trading Software Developer information

See Philadelphia, PA salary details

$48.4K

$112.9K

$167.5K

How much do freelance algorithmic trading software developer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for freelance algorithmic trading software developer in Philadelphia, PA is $112,861.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,800.00 and $131,200.00 per year, depending on experience, location, and employer.

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

AspectFreelance Algorithmic Trading Software DeveloperQuantitative Analyst
CredentialsProgramming skills, trading platform knowledge, possibly certifications like CQFMathematics, statistics, finance degrees, certifications like CFA
Work EnvironmentIndependent, remote, project-basedOffice-based, team-oriented, financial institutions
Industry UsageDevelops trading algorithms for clients or own tradingAnalyzes financial data to inform trading strategies

While both roles involve quantitative skills and financial markets, Freelance Algorithmic Trading Software Developers focus on building and implementing trading algorithms independently, often working remotely. Quantitative Analysts typically analyze data within financial firms to develop trading strategies, often working in team environments. The roles overlap in technical skills but differ in scope and work setting.

What are popular job titles related to Freelance Algorithmic Trading Software Developer jobs in Philadelphia, PA? For Freelance Algorithmic Trading Software Developer jobs in Philadelphia, PA, the most frequently searched job titles are:
What job categories do people searching Freelance Algorithmic Trading Software Developer jobs in Philadelphia, PA look for? The top searched job categories for Freelance Algorithmic Trading Software Developer jobs in Philadelphia, PA are:
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Freelance Algorithmic Trading Software Developer jobs near you

Software Developer | Market Data | Libraries & Tools

Susquehanna International Group, LLP

Philadelphia, PA • On-site

Full-time

Re-posted 21 days ago

Job description

Overview
As a developer on the Libraries and Tools team, you will support a variety of groups across the firm by building the core libraries used in the first stages of market data handling - including parsing, orderbook management, and optimized data structures designed for low latency environments.
You will work collaboratively with other technologists, traders, and quants to design and engineer tools aimed at debugging, troubleshooting, analysis, and management of market data, while also interfacing with RESTful services across both Linux and Windows environments in C++ and Python.
What we're looking for
  • BS or MS in Computer Science, Computer Engineering or a similar major.
  • Strong understanding of high-performance computing using C++ is required
  • Excellent attention to detail and accuracy and a thorough understanding of performance optimization / latency reduction methodologies
  • Ability to work closely with other software developers, traders, quants, and infrastructure teams

About Susquehanna
Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.
What we do
We are experts in trading essentially all listed financial products and asset classes, with a focus on derivatives trading. Through market making and market taking, we handle millions of trading transactions around the world every day, providing liquidity and ensuring competitive prices for buyers and sellers. While our presence in the market is broad, our trading desks are highly specialized, allowing for a deep understanding of unique drivers of each asset class.

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