Senior Banking and Brokerage API Developer (Fintech)

TL;DR

Senior Banking and Brokerage API Developer (Java/Ruby): Developing and improving APIs for banks, brokers, and crypto-platforms with an accent on reverse engineering and high-quality data interpretation. Focus on building scalable financial integrations, ensuring high test coverage, and designing architectural improvements for wealth management solutions.

Location: Hybrid in Berlin, Germany or Fully Remote (Germany)

Company

hirify.global is a fast-growing FinTech providing core financial solutions to enable users to manage their own portfolios.

What you will do

• Develop and optimize APIs for banks, brokers, and crypto-platforms.
• Investigate and reverse-engineer banking and brokerage APIs to interpret complex financial data.
• Lead product assignments through all phases from planning and interpretation to delivery.
• Contribute to architectural design, scalability, and security enhancements.
• Mentor junior and mid-level developers through code peer-reviews and retrospectives.

Requirements

• 7+ years of professional software development experience.
• Strong background in finance or wealth management.
• Proficiency in Ruby on Rails and Java (preferably Spring Boot).
• Expertise in Test-Driven Development (TDD) and extensive unit/integration testing.
• English: Mandatory.
• German: Must be proficient enough to interpret bank accounting statements.

Nice to have

• Experience with Machine Learning or related statistical training.
• Experience with big-data stacks such as MongoDB or Cassandra.

Culture & Benefits

• 30 days of paid leave and flexible working hours.
• Virtual shares program.
• Flexible work arrangement: fully remote or hybrid positions.
• Urban Sports Club membership and modern Apple hardware.
• Open discussion culture with a strong emphasis on personal and professional growth.