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Senior Software Engineer

Apex Fintech Solutions
Austin, TX Full Time
POSTED ON 8/5/2025 CLOSED ON 9/7/2025

What are the responsibilities and job description for the Senior Software Engineer position at Apex Fintech Solutions?

Who We Are

Apex Fintech Solutions (AFS) powers innovation and the future of digital wealth management by processing millions of transactions daily, to simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech solutions enables us to support clients such as Stash, Betterment, SoFi, and Webull, and more than 20 million of our clients' customers.

Collectively, AFS creates an environment in which companies with the biggest ideas in fintech are empowered to change the world. As a global organization, we have offices in Austin, Dallas, Chicago, New York, Portland, Belfast, and Manila.

If you are seeking a fast-paced and entrepreneurial environment where you'll have the opportunity to make an immediate impact, and you have the guts to change everything, this is the place for you.

AFS has received a number of prestigious industry awards, including:

  • 2021, 2020, 2019, and 2018 Best Wealth Management Company - presented by Fintech Breakthrough Awards
  • 2021 Most Innovative Companies - presented by Fast Company
  • 2021 Best API & Best Trading Technology - presented by Global Fintech Awards

About This Role

This is an incredible opportunity for a Senior Software Engineer to join Apex's Trade Processing team. This team is responsible for critical services within Apex's high-volume, high-availability trade clearing suite. We partner with some of the industry's hottest next-generation stock trading products and need talented, driven, collaborative engineers to further build out the scale and resiliency of our growing Ascend platform.

Duties/Responsibilities

  • Lead the design and delivery of major software components, systems, and features
  • Design, develop, test, deploy, maintain and improve software
  • Write high-quality, well-tested code
  • Manage project priorities, deadlines and deliverables with your technical expertise
  • Mentor and train other team members on design techniques and coding standards, improving the overall culture of quality and cohesion
  • Build resilient, self-scaling, self-healing services that allow you to sleep through the night
  • Support production systems through deployment (CI/CD), and monitoring (DataDog, PagerDuty), including on-call responsibilities

Education And/or Experience

  • Bachelor's degree in Computer Science, Computer Engineering or related technology field (or equivalent work experience) required
  • 5 years of experience as a software developer or similar job roles
  • A strong proficiency and in-depth understanding of Go and/or Java (Go experience ideal but not required)
  • Experience with Kafka, SQL, protocol buffers, and reactive, multi-tenant applications
  • Experience mentoring, and coaching other engineers
  • Experience with GCP and/or AWS is a strong plus
  • Financial services background is a plus

Required Skills/Abilities

  • Ability to learn new technologies (languages, tools, frameworks) quickly
  • Excellent verbal and written communication skills
  • A DevSecOps mindset and experience with cloud-native applications
  • Commitment to code quality, peer reviews and strong engineering practices
  • Self-starter with "whatever it takes" attitude in a dynamic work environment

Work Environment

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

#engineering #mid-senior #full-time #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.

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