Full Stack Developer

• Build and maintain software that supports vendor funding and related financial systems
• Contribute to both new application development and ongoing support of existing legacy solutions
• Work across the full software development lifecycle, from design through delivery and support
• Partner closely with teammates in a collaborative, pair-programming-friendly environment
• Write clean, maintainable code with a strong focus on quality and simplicity
• Support the modernization of older systems by helping create durable, scalable applications
• Participate in agile development practices and continuous improvement efforts
• Take part in technical discussions and contribute ideas that improve team and product outcomes

• 5+ years of professional software development experience
• Proficiency in a JVM-based language such as Java or Groovy
• Strong experience with test-driven development
• Genuine comfort working closely with others and pair programming
• Solid understanding of backend development principles
• Ability to contribute to frontend work when needed
• Strong communication skills and a collaborative mindset
• Willingness to learn, adapt, and contribute to a high-quality engineering culture

Preferred Skills

• Experience building RESTful services using HTTP and JSON
• Familiarity with Spring Framework
• Knowledge of data stores such as Postgres or Oracle
• Exposure to Kafka
• Comfort working in Linux and using bash
• Experience with open source technologies such as Apache or Tomcat
• Front-end experience with React or another JavaScript single-page application framework
• Experience with BigQuery
• Leadership experience or the ability to help guide technical discussions

Horizontal is committed to building an inclusive workplace where diverse perspectives are welcomed, respected, and valued. We believe equity and belonging strengthen teams, and we encourage candidates from all backgrounds to apply.