About this opportunity
Horizontal Talent lists this Senior Associate Java Developer opportunity in new york city, New York. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Join a dynamic team building high-performance Java and Scala microservices that support real-time trading and execution systems. This hybrid role in New York, NY offers the chance to work on complex, low-latency platforms where precision, scalability, and strong engineering practices truly matter.
Responsibilities
Design and develop scalable microservices that support real-time execution and trading workflows.
Build and enhance Java/Spring Boot applications with a focus on performance, reliability, and maintainability.
Collaborate with quants, product partners, and technical teams to turn execution strategies into production-ready solutions.
Improve application speed through careful tuning of concurrency, memory usage, and garbage collection behavior.
Support system resiliency by helping implement risk controls, automated safeguards, and monitoring within the platform.
Contribute to the full trade lifecycle, including order handling, execution, clearing, settlement, and audit support.
Work with high-performance messaging and data technologies to support fast and accurate transaction processing.
Participate in testing, code quality, and CI/CD practices to help ensure consistent delivery.
Skills
Strong hands-on experience with Core Java, preferably Java 17 or newer.
Production experience with Scala and functional programming concepts.
Experience building microservices with Spring Boot and related JVM-based frameworks.
Deep understanding of multithreading, concurrency, and Java memory management.
Background in trading systems, including order management and execution workflows.
Familiarity with market data concepts and low-latency, high-availability systems.
Experience with containerization and cloud-native development practices.
Ability to work in a fast-paced environment with strong attention to detail and problem-solving skills.
Must have financial services experience.
Scala experience is required.
Preferred Skills
Experience with Kafka, Solace, Aeron, Redis, or Hazelcast.
Exposure to Docker, Kubernetes, and service mesh technologies.
Familiarity with TDD/BDD practices and CI/CD tools such as Jenkins or GitLab CI.
Knowledge of regulatory considerations relevant to trading environments.
Experience supporting performance-sensitive or algorithmic platforms.
Horizontal is committed to building inclusive teams where diverse perspectives are valued and respected. We welcome applicants from all backgrounds and encourage people with a range of experiences to apply.
By applying for this position, you acknowledge and agree that Horizontal Talent may contact you regarding your application using automated technology, including phone calls, SMS/text messages, or email, which may be delivered by our virtual AI recruiter, Alex.
Please apply through this online posting or by visiting our Job Board at Applications will be accepted for 4 weeks. For those that join the team, we offer competitive compensation and benefits including medical, dental, vision, and retirement. Check out all we have to offer and how you can become part of the Horizontal Talent Team. The pay range for this role is $49 - $85 per hour based on qualifications and experience.
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.