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Freelance Algorithmic Trading Programmer Jobs in Philadelphia, PA

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Freelance Algorithmic Trading Programmer information

See Philadelphia, PA salary details

$40.9K

$81.4K

$113K

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

As of Aug 8, 2026, the average yearly pay for freelance algorithmic trading programmer in Philadelphia, PA is $81,397.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,600.00 and $93,300.00 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 popular job titles related to Freelance Algorithmic Trading Programmer jobs in Philadelphia, PA? For Freelance Algorithmic Trading Programmer jobs in Philadelphia, PA, the most frequently searched job titles are:
What job categories do people searching Freelance Algorithmic Trading Programmer jobs in Philadelphia, PA look for? The top searched job categories for Freelance Algorithmic Trading Programmer jobs in Philadelphia, PA are:
What cities near Philadelphia, PA are hiring for Freelance Algorithmic Trading Programmer jobs? Cities near Philadelphia, PA with the most Freelance Algorithmic Trading Programmer job openings:
Infographic showing various Freelance Algorithmic Trading Programmer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $81,397 per year, or $39.1 per hour.

Software Developer - Global Routing | Experienced Hire

Susquehanna International Group, LLP

Philadelphia, PA • On-site

Full-time

Re-posted 27 days ago


Job description

Overview
Susquehanna International Group is seeking a Software Developer to join our newly formed Global Routing team. This team owns the electronic trading connectivity infrastructure that powers Susquehanna's client-facing brokerage business worldwide. You'll work on high-impact systems that handle order flow across major global markets, collaborating closely with trading, operations, and technology teams in our U.S., European, and Asian offices.
Key Responsibilities
  • Design, develop, and maintain systems that support electronic order routing across global markets and venues.
  • Build and enhance FIX connectivity for clients, brokers, exchanges, and internal systems.
  • Partner with business counterparts in Susquehanna's Europe and Asia offices to support international expansion and onboard new trading relationships.
  • Collaborate with traders, operations, developers, and external vendors to troubleshoot and resolve connectivity issues in a fast-paced environment.
  • Contribute to architectural decisions and advocate for scalable, reliable system design.
  • Document systems, workflows, and integration specifications clearly and thoroughly.

What we're looking for
  • 5+ years of software development experience in C#, Java, or C++.
  • Deep knowledge of the FIX protocol, with hands-on experience implementing or supporting FIX connectivity at a brokerage, trading firm, exchange, fintech, or OMS/EMS vendor.
  • Experience with order routing in a multi-system, global trading environment.
  • Strong analytical skills with the ability to debug complex, distributed systems.
  • Excellent communication skills - you're equally comfortable talking to a quant, a trader, or a client.
  • Familiarity with financial models or algorithmic trading strategies.
  • Experience with low-latency or high-throughput system design.
  • Prior work with connectivity to global exchanges or dark pools.

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.
If you're a recruiting agency and want to partner with us, please reach out to recruiting@sig.com. Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.
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