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. Were digitizing and democratizing systems so that everyone has an opportunity to invest.

When youre at Apex you drive this change. Youre 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 1000 employees.

Together were 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.

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

Best Places to Work

- Presented by BuiltIn

WealthTech of the Year

2025- Presented by US FinTech Awards

The Worlds Top 250 Fintech Companies

2024- Presented by CNBC

ABOUT THIS ROLE

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

As a Senior Technical Writer at Apex Fintech Solutions youre responsible for developing technical documentation to support Apexs platform including our APIs and the clients who use addition to your expert skills in 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 and 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 and you possess keen curiosity and drive to continuously learn about the products you document.

The Senior Technical Writer role will lead the creation and evolution of technical documentation for our technology products APIs platforms and client experiences. You will partner with engineers product managers architects and business stakeholders to translate technical concepts into clear accurate user-focused content.

As a senior member of the team you will lead by example consistently delivering high-standard content that adheres to our writing guidelines and mentoring less experienced team members. You will also combine strong technical writing expertise with hands-on use of artificial intelligence to improve documentation quality accelerate content development streamline workflows and enhance the overall experience.

Duties and Responsibilities:

• Create and maintain high-quality client-facing API and knowledge base content that meets industry standards keeping pace with product development teams and adhering to style guidelines.
• Collaborate closely with engineering product management architecture and client-facing teams to write API documentation and programming guides.
• Lead documentation initiatives make informed decisions and drive projects to completion with minimal oversight.
• Develop API reference documentation integration guides tutorials quick starts how-to guides conceptual content release documentation and developer resources.
• Use generative AI tools as part of the daily technical writing workflow to research draft restructure analyze summarize and improve technical content.
• Apply human expertise and editorial judgment to AI-generated content ensuring accuracy consistency technical validity security and appropriate tone.
• Identify opportunities to use AI and automation to reduce repetitive documentation tasks and improve content production efficiency.
• Develop effective AI prompts and repeatable workflows for documentation creation content analysis and knowledge management.
• Explore approaches such as structured content metadata reusable content components and knowledge bases that improve content accessibility for both humans and AI systems.

Requirements and Qualifications:

• Bachelors 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 consistent manner
• Experience using generative AI tools as part of a professional workflow with the ability to critically evaluate AI-generated content rather than relying on it without validation
• Confidence to advocate for yourself and for our users needs backing your opinions with experience and facts
• 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
• Familiar with one or more programming languages (Java Go Python TypeScript)
• A strong writing portfolio demonstrating these skills

Preferred Qualifications:

• An advanced degree in a related discipline
• Programming experience beyond the baseline requirement
• Experience with additional tools such as Postman Confluence or similar technologies
• Experience developing documentation for both technical and non-technical audiences
• Experience building AI prompt libraries or documentation-specific AI workflows that go beyond day-to-day use
• Experience designing or documenting an enterprise API solution
• Experience with a documentation portal and/or ticketing environment such as ReadMe or Zendesk

#technicalwriter #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.