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Freelance Algorithmic Trading Software Developer Jobs in Redmond, WA

Databento

Software Engineer (C++/Java)

Seattle, WA · On-site +1

Experience designing APIs with a strong focus on intuitive, developer-friendly interfaces ... An interest in financial data or algorithmic trading. Notice about phishing scams Be cautious of ...

Databento

Software Engineer (C++/C#)

Seattle, WA · On-site +1

Experience designing APIs with a strong focus on intuitive, developer-friendly interfaces ... An interest in financial data or algorithmic trading. Notice about phishing scams Be cautious of ...

Columbia Distributing

Software Developer

Kent, WA · On-site

Summary The Software Developer designs, builds, and maintains the organization's internal software ... Solid understanding of computer science fundamentals including data structures, algorithms, and ...

DevSelect

Senior Software Developer/ReactJS

Seattle, WA · On-site +1

$62 - $82/hr

Title: Senior Software Engineer/ReactJS Location: Seattle, WA - Remote Openings:5 Type: Long-Term ... structures, algorithms, JSX, and Babel * Complete understanding of ReactJS and its main ...

Trigyn Technologies

Software Developer (OO, Java)

Bellevue, WA · On-site

$64.50 - $82.50/hr

Software Developer (Java / Web Services) Trigyn's Direct Client is looking for Software Developer ... structure, algorithms, and system level programming (including multi-threaded programming) • ...

Oracle

Software Developer 4

Seattle, WA · On-site

Rock-solid developers and distributed systems engineers with a deep understanding of distributed systems and algorithms. Comfortable diving deep into any part of the stack, as well as software ...

Blue Origin

Navigation Software Engineer

Seattle, WA

$130K - $182K/yr

Able to contribute as a software developer. * Effective use of software configuration management ... Experience with navigation algorithms such as Extended Kalman Filters. * Knowledge of IMUs, GPS and ...

Blue Origin, LLC

Navigation Software Engineer

Seattle, WA · On-site

$130K - $182K/yr

Able to contribute as a software developer. * Effective use of software configuration management ... Experience with navigation algorithms such as Extended Kalman Filters. * Knowledge of IMUs, GPS and ...

Walmart

Senior Software Developer

Bellevue, WA · On-site

$108K - $216K/yr

We are looking for a Software Engineer (Backend) to join our team and contribute to the development ... A good understanding of CS Fundamentals, Microservices, Data Structures, Algorithms & Problem ...

Oracle

Software Developer 4

Seattle, WA

Rock-solid developers and distributed systems engineers with a deep understanding of distributed systems and algorithms. Comfortable diving deep into any part of the stack, as well as software ...

Oracle Corporation

Software Developer 4

Seattle, WA · On-site

Rock-solid developers and distributed systems engineers with a deep understanding of distributed systems and algorithms. Comfortable diving deep into any part of the stack, as well as software ...

Oracle

Software Developer 4

Seattle, WA

Rock-solid developers and distributed systems engineers with a deep understanding of distributed systems and algorithms. Comfortable diving deep into any part of the stack, as well as software ...

Oracle

Principal Software Developer

Seattle, WA · On-site

At every level, our engineers have a significant technical and business impact designing and ... Proficient with data structures, algorithms, operating systems. * Proficient with VPN/IPSec ...

Blue Origin

Software Development Engineer Sr

Seattle, WA

$197K - $276K/yr

The position spans algorithm design, flight software implementation, performance and robustness ... Coordinate cross-team vehicle-level analyses and trade studies * Lead root cause investigations and ...

Walmart

Javascript Senior Software Developer

Bellevue, WA · On-site

$108K - $216K/yr

We are looking for a Software Engineer (Backend) to join our team and contribute to the development ... A good understanding of CS Fundamentals, Microservices, Data Structures, Algorithms & Problem ...

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All JobsAlgorithmic Trading Software Developer JobsFreelance Algorithmic Trading Software Developer JobsFreelance Algorithmic Trading Software Developer Jobs in Redmond, WA

Freelance Algorithmic Trading Software Developer information

See Redmond, WA salary details

$53.8K

$125.3K

$185.9K

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

As of Jul 28, 2026, the average yearly pay for freelance algorithmic trading software developer in Redmond, WA is $125,261.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,800.00 and $145,600.00 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 Redmond, WA? For Freelance Algorithmic Trading Software Developer jobs in Redmond, WA, the most frequently searched job titles are:
What job categories do people searching Freelance Algorithmic Trading Software Developer jobs in Redmond, WA look for? The top searched job categories for Freelance Algorithmic Trading Software Developer jobs in Redmond, WA are:
What cities near Redmond, WA are hiring for Freelance Algorithmic Trading Software Developer jobs? Cities near Redmond, WA with the most Freelance Algorithmic Trading Software Developer job openings:
Freelance Algorithmic Trading Software Developer jobs near you
Infographic showing various Freelance Algorithmic Trading Software Developer job openings in Redmond, WA as of July 2026, with employment types broken down into 1% Internship, 83% Full Time, 13% Part Time, 2% Contract, and 1% Nights. Highlights an 84% Physical, 2% Hybrid, and 14% Remote job distribution, with an average salary of $125,261 per year, or $60.2 per hour.
Software Engineer (C++/Java)

Software Engineer (C++/Java)

Databento

Seattle, WA • On-site, Remote

Full-time

Posted 7 days ago

Job description

The financial industry is growing at a record pace, but our data providers are still stuck in the past — with cumbersome onboarding processes, complicated APIs, slow infrastructure, and expensive licensing costs.

Databento is the market data platform for modern finance. The company provides real-time and historical data across futures, options, and equities through a unified API. By owning the entire market data stack end-to-end, Databento is the first platform of its kind to combine the performance and reliability demanded by the world's leading trading firms with a dramatically simpler developer experience. Our team includes alumni of Two Sigma, Citadel Securities, Flow Traders, Tower Research, PDT Partners, SIG, and other top quantitative firms.

We're looking for a midlevel or senior IC to join our core engineering team. You'll be responsible for implementing and maintaining our Java client library, and also working alongside our core engineering team on the most performance-sensitive parts of our codebase.

Responsibilities
  • Own and maintain our Java client library, ensuring it is robust, well-tested, and easy for external users to integrate with.
  • Design, develop, and maintain high-performance server applications in C/C++.
  • Write message parsers and feed handlers for direct market data feeds from trading venues.
  • Optimize existing codebase for high throughput (millions of messages per second, up to 40+ gigabits) and low latency (measured in nanoseconds).
  • Implement tools and libraries for petabyte-scale data processing and analysis.
  • Collaborate with the systems team to implement best practices for build, deployment, CI/CD.
  • Implement monitoring and improve application uptime.
  • Ensure smooth feature rollouts and updates.
Preferred background
  • 5+ years of full-time software engineering experience, preferably at a trading firm, tech company, or high-growth startup.
  • Strong proficiency in both C/C++ and Java.
  • Experience with C# is a plus.
  • Experience designing APIs with a strong focus on intuitive, developer-friendly interfaces.
  • Familiarity with open source best practices, including release management, versioning, changelogs, issue triage, and backwards compatibility.
  • Knowledge of systems programming, algorithms, data structures, multithreading, networked I/O, serialization, CPU architecture, kernel, and compilers.
  • Experience working with multiprocess environments.
  • Comfortable with lldb/gdb.
  • Good communication skills and work ethic for a remote workplace.
  • An interest in low-level optimization and performance engineering.
  • An interest in financial data or algorithmic trading.
Notice about phishing scams

Be cautious of phishing scams impersonating Databento that offer fake job interviews and request purchases. Official emails come only from @databento.com or us.greenhouse-mail.io (our ATS). Any other domains (e.g., databento-careers.com, databento.online) are fraudulent.

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Databento, Inc. provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity or expression, veteran status, or genetics. In addition to federal law requirements, we comply with applicable state and local laws governing nondiscrimination in every location where we operate. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Pursuant to applicable laws, we consider qualified applicants with arrest or conviction records. If you need an accommodation, please let us know.

Our recruiting data suggests that underrepresented applicants often downplay their skills. Even if your experience doesn't exactly match the qualifications listed, we still want to hear from you. Please apply!