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# Senior Associate Java Developer

- **Company:** Sapient Corporation
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Continuous Integration, Data Stores, Data Systems, Memory Management, Middleware, Hazelcast, High-Frequency Trading, Routing, NoSQL, Performance Tuning, Redis, SQL Databases, Multithreading, Spring Cloud, Istio, System Availability, Spring-boot, Containerization, Gitlab-ci, Kubernetes, Low Latency, Production Code, Apache Kafka, Linkerd (Service Mesh), Docker, Jenkins, Microservices
- **Published:** October 28, 2026
- **Apply:** https://jobs.localjobnetwork.com/apply/add/88718775/1

## About the Role

Domain Requirements:

 * Trading Lifecycle: Deep understanding of the full trade lifecycle (Order Management, Execution, Clearing, and Settlement).
 * Execution Algorithms: Proven track record of building or maintaining algorithmic engines and SOR (Smart Order Routing) systems.
 * Market Dynamics: Understanding of market data structures (L1/L2/L3 books) and regulatory requirements (MiFID II, SEC Rule 606)., * Java Expertise: Expert-level proficiency in Core Java (v17+ preferred), including advanced multi-threading, concurrency patterns, and the Java Memory Model.
 * Microservices Architecture: Extensive experience with Spring Boot, Spring Cloud, and containerization (Docker/Kubernetes). Familiarity with Service Mesh (Istio/Linkerd) is a plus.
 * Messaging & Integration: Hands-on experience with high-performance messaging middleware like Apache Kafka, Solace, or Aeron.
 * Data Systems: Proficiency in low-latency data stores (Redis, Hazelcast) and SQL/NoSQL databases for trade persistence and auditing.

Testing & CI/CD: Commitment to TDD/BDD practices and automated pipeline integration (Jenkins, GitLab CI).

## Description

We are seeking a seasoned Senior Java Developer with a deep specialization in high-throughput trading platforms. You will be responsible for designing and scaling microservices that power our real-time execution algorithms, ensuring ultra-low latency, high availability, and strict adherence to risk and regulatory controls., * Architecture & Development: Lead the design and implementation of distributed microservices using Java/Spring Boot tailored for high-frequency trading environments.

 * Algorithm Engineering: Collaborate with Quants and Product Managers to translate complex execution strategies into performant, production-ready code.
 * Performance Optimization: Conduct deep-dive performance tuning, GC optimization, and memory management to maintain sub-millisecond execution speeds.
 * Platform Governance: Design and enforce "Safe Trading" protocols, including pre-trade risk checks and automated circuit breakers within the microservices mesh.