Senior Java Engineer — Real-Time Trading Platforms

Publicis Groupe; New York (NY); On-site; USD 180,000 - 260,000; Full time

Job summary

Publicis Sapient in New York is seeking a seasoned Senior Java Developer with a deep specialization in high-throughput trading platforms. You will design and scale microservices powering real-time execution, ensuring ultra-low latency, high availability, and strict risk controls.

You will lead distributed systems in Java/SpringBoot, optimize performance, and collaborate with quants, traders and product teams to translate strategies into production-ready code.

Qualifications

• Expert Java developer with experience in high-throughput trading systems.
• Strong knowledge of multi-threading, memory model, and GC tuning.
• Experience with microservices in finance and regulatory controls.

Responsibilities

• Lead design and implementation of distributed microservices for high-frequency trading environments.
• Collaborate with Quants and Product Managers to translate execution strategies into production-ready code.
• Drive performance optimizations, including GC tuning and memory management to maintain ultra-low latency.

Skills

Java concurrency

Performance optimization

High-frequency trading domain

Tools

Spring Boot

Spring Cloud

Docker

Kubernetes

Istio/Linkerd

Apache Kafka

Solace

Aeron

Redis

Hazelcast

SQL/NoSQL databases

Job description

Publicis Sapient in New York is seeking a seasoned Senior Java Developer with a deep specialization in high-throughput trading platforms. You will design and scale microservices powering real-time execution, ensuring ultra-low latency, high availability, and strict risk controls.

You will lead distributed systems in Java/SpringBoot, optimize performance, and collaborate with quants, traders and product teams to translate strategies into production-ready code.