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’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

Apex Fintech Solutions is seeking a Senior Software Engineer to play a key role on our engineering team, responsible for designing, developing, and maintaining high-quality software solutions. The Investigations team is responsible for customer identity verification, watchlist screening, customer due diligence checks, and various other onboarding flows that are part of the account opening and monitoring flows. You will also be working with Client Configurator, which is responsible for the central repository for managing client-specific configuration across the Ascend ecosystem. They provide a simplified and streamlined configuration workflow, user-friendly interface, and entitlement handling. 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

Duties/Responsibilities

• Software Development: Contribute to the development, support, and quality assurance efforts of our technology products that power our platforms and services. Utilize automated testing extensively to ensure the reliability and accuracy of the services.

• Technical Documentation: Create and maintain technical documentation and guides, ensuring they are up to date, accurate, and easy to understand for both internal teams and external stakeholders.

• Product Releases and Deployments: Support product releases and deployments, working with cross-functional teams to ensure smooth and successful releases into production environments.

• Data Analysis: Analyse datasets for accuracy and logical values, leveraging your analytical skills to ensure data integrity and contribute to insights that drive decision-making and product improvements.

• Code Review and Quality Assurance: Participate in code reviews, identify areas for improvement, and ensure adherence to coding standards, best practices, and quality metrics.

• AI Tools and Practices: Leverage AI-assisted development tools to enhance productivity, code quality, and solution innovation. Stay informed about ways AI can support software engineering and delivery.

• Cross-Functional Collaboration: Work closely with product managers, designers, and other stakeholders to understand requirements, implement technical solutions, and deliver high-quality software products on time.

• Problem Solving and Troubleshooting: Investigate and resolve technical issues, troubleshoot production incidents, and implement solutions to minimize system downtime and ensure service reliability.

• 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.

Education and/or Experience

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

• 5+ years of experience in software development with a strong proficiency in one or more programming languages, including Java

• Experience with automated testing frameworks and methodologies for backend services

• Experience contributing to epics and participating in technical direction and implementation strategy for projects

• Experience with CI/CD (Continuous Integration/Continuous Deployment) pipelines and tools, automating build, test, and deployment processes

• Experience with cloud platforms (e.g., AWS, Azure, GCP)

• Experience with SQL including the ability to write complex queries and optimize database performance

• Experience in financial services a plus

Required Skills/Abilities

• Ability to troubleshoot production systems, diagnose issues, and implement effective solutions to ensure system reliability and availability

• Strong problem-solving abilities, analytical thinking, and attention to detail

• Effective communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and contribute to technical discussions

• Knowledge of Agile software development methodologies and tools (e.g., Scrum, Kanban, Jira)

Work Environment

• This job operates in a hybrid, office environment 2 days per week.

#engineering #full-time #mid-senior #LI-DM1 #AFSUK

​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 a market-leading salary with an annual bonus, 28 days of annual leave plus 10 Northern Ireland national holidays, a training and development budget, and a pension matched up to 7%. Our benefits also cover private health insurance for medical, dental, and optical care, and life insurance. We emphasize work-life balance with flexible working hours, parental leave, a modern city center office, and a hybrid work schedule that allows for greater flexibility by partially working from home. Additional 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 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.