Who We AreApex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that simplify, automate, and facilitate access to financial markets for everyone. Our suite of fintech software supports clients such as Stash, Betterment, SoFi, Webull, and eToro, enabling 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—moving from manual, slow, and exclusive to a digitized and democratized system that allows anyone to invest. When you join Apex, you drive this change as part of a global team focused on becoming the trusted technology behind the digital economy. Our offices in Austin, Dallas, Chicago, New York, Portland, Belfast, and Manila host over 1,000 employees. Together, we shape the future of financial innovation—embrace change, solve big, win together, and live the G.R.E.A.T. values: grit, results, empathy, accountability, teamwork.
Apex has received awards such as:
- Best Places to Work – 2026, 2025, 2024, 2023 (BuiltIn)
- WealthTech of the Year – 2025 (US FinTech Awards)
- The World’s Top 250 Fintech Companies – 2024 (CNBC)
About This Role
This is an incredible opportunity for a Sr Software Engineer to join our Engineering team. You will collaborate closely with other engineers, tech leads, product managers, and architects to build the next generation of Apex Compliance and Regulatory applications, and Tax & Cost Basis services. The role requires thriving in a fast‑paced, collaborative environment and contributing to a transformation toward a highly scalable, resilient system.
Duties / Responsibilities
- Define, develop, deploy, and operate software that delivers real value to Apex, often working with micro‑services managed by Kubernetes.
- Own end‑to‑end development of new features and tools, including design, documentation, implementation, and testing within our cloud environment.
- Support project priorities, deadlines, and deliverables with technical expertise.
- Build robust, scalable, self‑healing services to ensure optimal performance and reliability with minimal manual intervention.
- Maintain production systems on the cloud, handling build, deployment (CI/CD), and monitoring (Datadog, PagerDuty).
- Deliver high quality code by following coding standards, performing code reviews, and ensuring test coverage at all levels.
- Identify risks, perform risk analysis, manage risks, and proactively raise prioritization and scheduling trade‑off decisions. Follow defined Risk Management processes.
- Collaborate with engineers and other teams to elevate technology, follow agile ceremonies, and consistently apply best practices.
- Be a self‑starter capable of solving ambiguous, challenging technical problems with wide scope.
- Assess existing processes and identify opportunities for improvement.
Education and/or Experience
- BA, BS, or MS in Computer Science, Engineering, or related technology field (or equivalent work experience) required.
- 5+ years of prior experience as a Software Engineer required.
- Experience with Docker and/or Kubernetes required.
- Experience with any cloud‑based provider (GCP, AWS, Azure) highly desirable.
- Experience developing highly scalable and performant microservices preferred.
- Experience with Astronomer and Apache Airflow or related data‑orchestration tools is a plus.
- Financial services background is a plus.
Required Skills / Abilities
- Strong fundamentals of system architecture, object‑oriented design, algorithms, and data structures.
- Expertise in at least one modern programming language (Java and Python preferred).
- Strong SQL skills and expertise with relational database systems (e.g., PostgreSQL, SQL Server).
- Ability to visualize, design, document, and implement system solutions.
- Ability to learn new and unfamiliar technologies quickly.
- Adaptability to establish processes and standards while remaining flexible and open to new ideas.
Work Environment
- This job operates in a hybrid office environment, 2 days per week.
Our Rewards
We offer a robust package of employee perks and benefits, including a market‑leading salary with an annual bonus; 28 days annual leave plus 10 Northern Ireland national holidays; a training and development budget; and a pension matched up to 7%. Additional benefits cover private health insurance (medical, dental, optical), life insurance, flexible working hours, parental leave, modern city‑center offices, and a hybrid schedule for greater remote flexibility. Perks include monthly catered lunches, unlimited drinks and snacks, hackathon events, poker tournaments, and a charitable matching gift program.
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 provide reasonable accommodations for qualified individuals with disabilities. If you require accommodations to participate in the application or interview process, please submit your request via the Candidate Accommodation Requests Form and we will work with you to ensure full participation in our hiring process.
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