Software Engineer II; Cost Tax

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

Apex is seeking a talented Software Engineer II to join our industry-leading Cost Basis and Tax technology team. You'll be working on mission-critical systems that process billions of transactions and generate millions of tax forms annually for major broker-dealers across the financial services industry. Our platform is recognized as the industry standard for robustness, scalability, performance, and accuracy. As a Software Engineer II, you will contribute to the development and enhancement of our Cost Basis and Tax calculation systems.

You'll work with complex financial data, implementing solutions that handle tremendous data volumes while maintaining the highest levels of accuracy required for regulatory compliance. This role offers the opportunity to work on some of the most technically challenging problems in financial technology.

• Design, develop, and maintain features for our Cost Basis and Tax calculation systems using Java and Jakarta EE standards
• Implement complex business logic for cost basis and tax processing
• Work with large-scale data processing systems handling billions of transactions
• Collaborate with cross-functional teams including Operations and Business teams to understand and implement requirements for new data scenarios
• Optimize application performance and scalability to handle significant data explosion inherent in cost basis and tax calculations
• Participate in code reviews and contribute to technical documentation
• Support production issues and participate in on‑call rotation as needed
• Contribute to our cloud agnostic initiatives (AWS and GCP)

• Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent work experience) required
• 3+ years of software development experience
• Experience with JPA/Hibernate for database persistence
• Experience with relational databases (Postgre
  
  SQL preferred)

• Strong proficiency in Java development with Jakarta EE (formerly Java EE) standards
• Familiarity with enterprise messaging systems (JMS)
• Understanding of JDBC and database performance optimization
• Strong problem-solving skills and attention to detail
• Excellent communication skills and ability to work in a collaborative environment

• Experience with Wild Fly application server
• Knowledge of Query
  
  DSL or similar database abstraction layers
• Experience with Apache MQ or similar message brokers
• Familiarity with financial services, particularly cost basis or tax calculations
• Experience with cloud platforms (AWS or GCP)
• Experience with high-volume data processing systems
• Knowledge of modern UI frameworks (React, Angular)

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

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, and responsibilities required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

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