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Freelance Algorithmic Trading Software Developer Jobs in Pennsylvania

Aveva

Experienced Software Developer

Philadelphia, PA

$124K - $236K/yr

Experienced Software Developer Qualifications: Experience designing and developing in C#/.NET ... Recognizing, articulating, and making technical decisions / trade-offs around multiple dimensions ...

AVEVA

Experienced Software Developer

Philadelphia, PA · On-site

$124K - $236K/yr

Experienced Software Developer Qualifications: Experience designing and developing in C#/.NET ... Recognizing, articulating, and making technical decisions / trade-offs around multiple dimensions ...

VDURA

Sr. Storage Software Developer

Pittsburgh, PA · On-site +1

$53 - $70/hr

We are seeking a highly experienced Senior Storage Software Developer with deep expertise in C/C ... and algorithms. * Proven track record of leading entire subsystems of code development within ...

VDURA

Sr. Storage Software Developer

Pittsburgh, PA · On-site

$53 - $70/hr

We are seeking a highly experienced Senior Storage Software Developer with deep expertise in C/C ... and algorithms. * Proven track record of leading entire subsystems of code development within ...

VDURA

Sr. Storage Software Developer

Pittsburgh, PA · On-site +1

$53 - $70/hr

We are seeking a highly experienced Senior Storage Software Developer with deep expertise in C/C ... and algorithms. * Proven track record of leading entire subsystems of code development within ...

Vantage

Sr. Software Developer - PHP

New Hope, PA · On-site

Senior PHP Developer Company: Vantage Labs Vantage Labs is a world leader and innovator in the ... Experience with Machine Learning or Natural Language Understanding algorithms. Benefits: * Medical ...

DP World

OpenEdge Software Developer

Middletown, PA · On-site

They are seeking an experienced OpenEdge Software Developer to support and enhance core business ... Trade is the lifeblood of the global economy, creating opportunities and improving the quality of ...

AVEVA

Experienced Software Developer

Philadelphia, PA · On-site

$124K - $207K/yr

As an Experienced Software Developer, your responsibilities will include ... Recognizing, articulating, and making technical decisions / trade-offs around multiple dimensions ...

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Freelance Algorithmic Trading Software Developer information

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.

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Freelance Algorithmic Trading Software Developer jobs near you

Software Developer - Global Routing | Experienced Hire

Susquehanna International Group, LLP

Philadelphia, PA • On-site

Full-time

Re-posted 25 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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