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Freelance Algorithmic Trading Software Developer Jobs in Fairfax, VA

Senior Software Developer

Herndon, VA · On-site +1

$56 - $74/hr

Proficiency in object-oriented design, algorithms, and data structures * Experience with: * REST ... Software engineering lifecycle best practices * Strong collaboration and communication skills

SIGINT Software Developer

Reston, VA · On-site

$120 - $180/hr

Implement data processing algorithms * Troubleshoot software and system issues * Collaborate with ... Proficiency in programming languages * Experience with signal processing * Debugging and testing ...

Implement data processing algorithms * Troubleshoot software and system issues * Collaborate with ... Proficiency in programming languages * Experience with signal processing * Debugging and testing ...

Implement data processing algorithms * Troubleshoot software and system issues * Collaborate with ... Proficiency in programming languages * Experience with signal processing * Debugging and testing ...

Implement data processing algorithms * Troubleshoot software and system issues * Collaborate with ... Proficiency in programming languages * Experience with signal processing * Debugging and testing ...

As a Full Stack Software Developer, you will play a key role in designing, developing, and ... algorithms, and design patterns. * Experience with software development frameworks and tools such ...

Jr. Software Developer

Chantilly, VA · On-site

$69K - $89K/yr

The Software Engineer will work with a large team of developers, software engineers and data ... algorithms, certificate revocation procedures, and trust models. * Additionally, the ability to ...

Software Developer

Reston, VA · On-site

$116 - $169/hr

The Software Developer will work independently and as part of a cross-functional team comprised of ... Develop new software from algorithm definitions and prototypes.* Work with program teams to plan ...

Software Developer

Reston, VA · On-site

$116K - $154K/yr

The Software Developer will work independently and as part of a cross-functional team comprised of ... Develop new software from algorithm definitions and prototypes. * Work with program teams to plan ...

Software Developer

Reston, VA · On-site

$116K - $154K/yr

The Software Developer will work independently and as part of a cross-functional team comprised of ... Develop new software from algorithm definitions and prototypes. * Work with program teams to plan ...

Each Thursday, the developer will provide a software demonstration of code developed for the week ... Integrate biometric algorithms into mobile and server-based collection applications * Test ...

Software Developer - Java

Washington, DC · On-site

$64.75 - $82.75/hr

We are seeking a self-motivated software developer with demonstrated experience in modern web ... This is an Agile development environment, working on state-of-the-art algorithms and technology for ...

Showing results 41-60

Freelance Algorithmic Trading Software Developer information

See Fairfax, VA salary details

$49.1K

$114.3K

$169.7K

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

As of Aug 22, 2026, the average yearly pay for freelance algorithmic trading software developer in Fairfax, VA is $114,324.00, according to ZipRecruiter salary data. Most workers in this role earn between $92,000.00 and $132,900.00 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 Fairfax, VA?

For Freelance Algorithmic Trading Software Developer jobs in Fairfax, VA, the most frequently searched job titles are:

What job categories do people searching Freelance Algorithmic Trading Software Developer jobs in Fairfax, VA look for?

The top searched job categories for Freelance Algorithmic Trading Software Developer jobs in Fairfax, VA are:

What cities near Fairfax, VA are hiring for Freelance Algorithmic Trading Software Developer jobs?

Cities near Fairfax, VA with the most Freelance Algorithmic Trading Software Developer job openings:

Senior Software Developer

Synertex LLC

Herndon, VA • On-site, Remote

$56 - $74/hr

Full-time

Re-posted 14 days ago


Job description

Senior Software Developer

National Capital Region
TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate Hire

Join Synertex and bring your expertise to a mission that matters. We're looking for a Senior Software Developer with a background in full-stack software engineering and distributed systems to support critical defense and intelligence initiatives. If you're passionate about innovating through AI, ML, and big data to support national security and thrive in a collaborative, Agile, and mission-driven role-this opportunity is for you.

RESPONSIBILITIES
  • Design, develop, test, and implement secure, distributed microservices using object-oriented programming languages
  • Collaborate within Agile teams to build scalable, user-centered modules for the MARS program (OB, IMD, S/CS modules)
  • Develop RESTful web services and support implementation/hosting using instancing and throttling models
  • Enhance user interfaces using JavaScript, jQuery, Angular 4, Ajax, and HTML5/XML
  • Write and optimize SQL queries, T-SQL stored procedures, views, and SSIS packages
  • Create technical diagrams, high-quality code, and automated test scripts to support development and integration
  • Partner with product owners and stakeholders to ensure alignment with mission and technical objectives
  • Participate in planning, design, and development discussions to drive continuous improvement
  • Ensure system reliability, uptime, and maintainability through operational excellence
REQUIREMENTS
  • Minimum 5 years of software development experience for consideration at the Journeyman level
  • Minimum 9 years of software development experience for consideration at the Senior level
  • Bachelor's degree in Computer Science or related discipline
  • Proficiency in object-oriented design, algorithms, and data structures
  • Experience with:
    • REST-style Web API platforms
    • Client-side development experience using Vue.js, JavaScript, Angular 4, Ajax, jQuery, and HTML5/XML
    • SQL/T-SQL, stored procedures, and data integration via SSIS
    • Asynchronous programming, parallel processing, concurrency, and security
    • Software engineering lifecycle best practices
  • Strong collaboration and communication skills
  • Ability to work independently and in Agile environments
  • TS/SCI clearance with a Polygraph
PREFERRED QUALIFICATIONS
  • Experience supporting DoD or DIA missions
  • Familiarity with the MARS, MIDB, or OB intelligence domains
  • Additional training or certifications in cybersecurity, cloud platforms, or advanced analytics
  • Experience developing solutions for Space/Counterspace or Intelligence Mission Data (IMD) systems

Join a mission-driven team advancing defense intelligence capabilities through scalable data platforms and advanced analytics. Apply today and become part of Synertex's legacy of innovation, leadership, and excellence.


Synertex logo

About Synertex

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing

Company size

11 - 50 Employees

Headquarters location

McLean, VA, US

Year founded

2017