Sr Software Engineer

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’ve been recognized for our innovative work, purpose-driven nature, and collaborative culture. Some recent awards:

Best Places to Work

2026, 2025, 2024, 2023 – Presented by Built In

Wealth Tech of the Year

2025 – Presented by US Fin Tech Awards

The World’s Top 250 Fintech Companies

2024 – Presented by CNBC

Apex Fintech Solutions is seeking a Staff Software Engineer to play a key role on our engineering team, responsible for designing, developing, and maintaining high-quality software solutions. You will leverage your expertise to contribute to the software development lifecycle, from requirements analysis and implementation to testing and deployment. You will collaborate with team members and cross-functional partners to deliver scalable, reliable, and efficient software products that meet the needs of our users and business objectives.

• Technical Leadership and Vision:
  Define and drive technical strategy and architectural vision across multiple teams and projects. Identify and champion organization-wide technical initiatives that align with business objectives and improve engineering effectiveness.
• System-Wide Architecture:
  Design and oversee large-scale, complex systems that span multiple teams and services. Evaluate trade-offs between different architectural approaches and make decisions that balance technical excellence with business needs.
• AI-Driven Efficiency:
  Utilize modern AI tools, such as Claude AI and other advanced coding assistants, to accelerate development cycles, improve code quality, and identify inefficiencies in accordance with Apex's commitment to innovation.
• Technical Leadership:
  Provide guidance, mentorship, and code reviews to junior and mid-level engineers. Promote a culture of excellence, fostering the adoption of strong coding standards and best practices.
• Ownership & Accountability:
  Take full responsibility for the health and performance of your deployed services, from development to production support, monitoring, and optimization.
• Code Quality & Optimization:
  Advocate for and ensure adherence to coding standards, code reviews, and best practices. Drive efforts to improve code quality, documentation, and overall development process.
• Cross-Functional Collaboration:
  
  Serve as a technical advisor and key decision-maker across engineering teams. Lead cross-functional initiatives, facilitate technical discussions, and build consensus on complex technical decisions that impact multiple teams.
• Debugging & Troubleshooting:
  Lead resolution of complex software defects through root cause analysis, leveraging AI-generated insights to proactively detect and address performance issues.
• Continuous Learning and Innovation:
  Stay updated on industry trends, emerging technologies, and best practices in software engineering, and apply this knowledge to improve development processes and methodologies.

• Master's degree in Computer Science, Engineering, or related field (or equivalent work experience) required.
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