Technical Writer | Experienced Hire

Susquehanna International Group is seeking a skilled Technical Writer to join our Electronic Options Trading team, specializing in the documentation of platforms, systems, libraries, and APIs. The ideal candidate will create clear, concise, and comprehensive documentation tailored for software developers in our quantitative trading business. This role is crucial in ensuring that our technical resources are accessible and useful for our quantitative development, research, and trading teams.

Key Responsibilities:

• Create and maintain high-quality documentation for software platforms, systems, libraries, and APIs.
•  Work closely with software developers and other stakeholders to gather information and understand technical requirements.
• Develop user guides, API documentation, and technical specifications that meet the needs of software developers.
• Organize and manage documentation in a centralized repository, ensuring it is up-to-date and easily accessible.
• Review existing documentation for clarity, accuracy, and completeness; edit materials as necessary.
• Provide training sessions and support for developers on how to both create and utilize documentation effectively.

What you can expect from us:

Real Impact: You’ll be documenting systems that are used in multiple parts of our business, from trading platforms to the analytics that allow us to process massive amounts of data on a daily basis. You’ll see how your contributions lead to greater sharing of knowledge across the firm, resulting in a higher rate of innovation and, ultimately, more and more profitable trading signals and strategies.
Growth: For many of our roles, we don’t expect you to have prior industry experience in proprietary trading or financial services to succeed at Susquehanna International Group. We’re looking for people who are naturally curious, relentless problem solvers, and have the desire to continuously innovate, learn, and grow.
Benefits: Susquehanna offers a wide array of competitive employee perks & benefits such as: an onsite wellness center staffed with a full-time Nurse Practitioner, a 9,000 square-foot gym, food & beverages available all day, onsite services such as dry cleaning & laundry, and auto repair & detailing.

• Bachelor’s degree in Technical Communication, Computer Science, or a related field.
•  Proven experience as a Technical Writer, preferably in the software or finance industry.
•  Strong understanding of software development processes
•  Excellent written and verbal communication skills.
• Proficiency in documentation tools (e.g., Markdown, Sphinx, Confluence, GitHub).
• Ability to work independently and manage multiple projects simultaneously.
• Familiarity with programming languages (e.g., Python) and API documentation standards (e.g., OpenAPI) preferred.
•  Experience with agile development methodologies preferred.

About Susquehanna
Susquehanna is a global quantitative trading firm founded by a group of friends who share a passion for game theory and probabilistic thinking. We have incorporated this approach into our culture, where you will find relentless problem solvers within each of our core disciplines: Trading, Technology, and Quantitative Research. From offices around the world, our employees collaborate to make optimal decisions and are driven by the desire to achieve winning results 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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