Senior Technical Writer

WHO WE ARE

Apex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that help simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech software enables us to support clients such as Stash, Betterment, SoFi, Webull, and eToro, amongst many others; collectively, Apex powers access to the stock market for over 22+ million end customers.  

 At Apex, we are changing how the securities industry operates by reinventing the status quo, which was manual, slow, and accessible only by the ultra-wealthy. We're digitizing and democratizing systems so that everyone has an opportunity to invest. 

When you're at Apex, you drive this change. You're part of a global team with a clear vision: to be the trusted technology that powers the digital economy. Our offices in Austin, Dallas, Chicago, New York, Portland, Belfast, and Manila are home to over 1,000 employees. 

Together, we’re shaping the future of financial innovation. Embrace change. Solve big. Win together. And be G.R.E.A.T. — grit, results, empathy, accountability, and teamwork — with Apex. 

We’re proud to be recognized for the innovative work we do, the purpose-driven nature of our work, and the collaborative culture we’ve created. Here are just a few of the many awards we’ve recently received: 

Best Places to Work 

2026, 2025, 2024, 2023 - Presented by BuiltIn 

WealthTech of the Year 

2025 - Presented by US FinTech Awards 

The World’s Top 250 Fintech Companies 

2024 - Presented by CNBC 

ABOUT THIS ROLE

At Apex Fintech Solutions, we’ve got an amazing track record of success and fostering ongoing innovation. Our technical writing staff sits at the leading edge of this disruption and are responsible for communicating the scope and impact of Apex’s top of class financial infrastructure products and software solutions to technical and financial client personas.  If you thrive off the energy of an enthusiastic collaborative team and love to learn and problem solve, we want to hear from you. 

As a Senior Technical Writer at Apex Fintech Solutions, you’re responsible for the development of technical documentation to support Apex's platform, including our APIs and the clients who use them. In addition to your expert skills producing content for developer audiences, this role demands agility to support rapid software-development cycles. Your ingenuity and resourcefulness will be critical as you adapt to varying circumstances, shifting timelines, and collaborate across multiple teams to achieve objectives. You excel in understanding the perspective of your audience, ensuring clarity and depth in your communications. Moreover, you possess a keen curiosity and a drive to continuously learn about the products you document. 

In this role, your primary responsibility will be to update and create new technical content for the Apex API and our externally facing knowledge base. Operating in two-week sprints, you will partner closely with Product Managers, Engineers, Technical Content Management, and other key stakeholders across Apex to ensure the accuracy and completeness of our documentation.  

As a Senior member of the team, you will lead by example, consistently delivering high-standard content that adheres to our writing guidelines.  You will also mentor less experienced team members, identify opportunities for increased efficiency and enhancements to our content offerings, and uphold best practices and professionalism, even under pressure.  

We are needing someone to be based in Austin, TX.

Duties and Responsibilities 

• Develop and maintain API and knowledge base content that meets industry standards, keeping pace with product development teams and adhering to style guidelines.   

• Collaborate closely with product engineering, product management, integration teams, and other internal stakeholders to write API documentation and programming guides. 

• Represent the Technical Content team in a positive light across the Apex organization, helping to enhance our reputation for excellence.  

• Assume an active role as a leader for the team, supporting Tech Content management in things like sprint planning and work-balancing efforts, always ready to pitch in and lend a hand as needed to get the team across the finish line.  

Requirements and Qualifications 

• Bachelor's degree or higher (in English, technical communications, computer science, or a similar field) 

• 7+ years of experience as a technical writer for a developer audience at a fast-paced software company 

• Proven experience writing detailed, user-centered API and programming documentation in a fast-paced software environment  

• Outstanding ability to grasp and communicate interrelationships between topics clearly and meaningfully and to present information in a logical hierarchy and in a consistent manner 

• Ability to handle and prioritize multiple focus areas and tasks 

• Enthusiasm for cross-functional collaboration with people at all levels of an organization  

• Courage to advocate for yourself and for our user’s needs, backing your opinions with experience and facts 

• A bias for action and a positive attitude with an innate and finely tuned attention to detail 

• Current knowledge of the evolving style of technical documentation and enablement resources for developer audiences 

• Ability to work in US time zones (ideally Central Standard Time) 

• Experience with Markdown or another markup language, GitHub, Jira, and Swagger 

• One or more programming languages (Java, Go, Python, Typescript)  

• A strong writing portfolio to demonstrate these skills 

Preferred qualifications 

• An advanced degree in a related discipline 

• Programming experience 

• Experience designing or documenting an enterprise API solution 

• Experience with a documentation portal and/or ticketing environment such as Readme or Zendesk 

Work Environment

• This job operates in a hybrid, office environment 3 days per week

#product management #mid-senior #full-time #LI-SG1 #APEX

​Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Our Rewards

We offer a robust package of employee perks and benefits, including healthcare benefits (medical, dental and vision, EAP), competitive PTO, 401k match, parental leave, and HSA contribution match. We also provide our employees with a paid subscription to the Calm app and offer generous external learning and tuition reimbursement benefits. At AFS, we offer a hybrid work schedule for most roles that allows employees to have the flexibility of working from home and one of our primary offices.

EEO Statement

Apex Fintech Solutions is an equal opportunity employer that does not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, veteran status, marital status, or any other protected characteristic. Our hiring practices ensure that all qualified applicants receive fair consideration without regard to these characteristics.

Disability Statement

Apex Fintech Solutions is committed to creating an inclusive and accessible workplace for all candidates, including those with disabilities. We are dedicated to ensuring equal employment opportunities and providing reasonable accommodations to qualified individuals with disabilities. If you require reasonable accommodations to participate in the application or interview process, please submit your request via the Candidate Accommodation Requests Form. We will work with you to provide the necessary accommodations to ensure your full participation in our hiring process.