Senior Java Architect - High-Performance Microservices

Publicis Sapient; Boston (MA); On-site; USD 160,000 - 205,000; Full time

Benefits offered by this job

Inclusive workplace

Learning and development opportunities

Competitive compensation and benefits

Work-life balance

Health benefits

Paid leave and holidays

Wellness program

Job summary

Publicis Sapient in Boston is seeking a Java Architect to lead the design, development, and deployment of scalable, microservices-based solutions for high‑frequency trading environments.

You will mentor engineers, drive coding standards and performance optimization, and collaborate with Product, Business Analysts, and stakeholders to translate requirements into robust architectures. Strong Java/Spring, AWS, CI/CD, and low‑latency data skills are essential.

Qualifications

• Expert-level Core Java (v17+), with advanced multi-threading and memory model.
• Extensive Spring Boot/Spring Cloud experience with Docker/Kubernetes.
• Experience with high-performance messaging (Kafka/Solace/Aeron).
• Low-latency data stores: Redis/Hazelcast; SQL/NoSQL databases.

Responsibilities

• Lead and mentor engineers delivering enterprise-scale data solutions.
• Provide hands-on guidance across architecture, design, development, and troubleshooting.
• Drive coding standards, performance optimization, and reliability.
• Conduct code reviews and enforce security standards.
• Lead adoption of Generative AI tools.
• Design and implement distributed microservices in Java/SpringBoot for high-frequency environments.
• Tune performance, memory management, and GC for sub-millisecond speeds.
• Architect and deploy solutions in AWS; ensure security and resilience.
• Collaborate with Product, Analysts, and stakeholders to translate requirements into technical solutions.
• Manage project timelines, deliverables, and resource allocation.
• Ensure alignment with SDLC, DevOps, and CI/CD practices.

Skills

Core Java

Multi-threading

Spring Boot

Spring Cloud

Docker

Kubernetes

Kafka

Solace

Aeron

Redis

Hazelcast

SQL/NoSQL

AWS

Linux/Unix

Technical leadership

AI pair-programmers

CI/CD

Jenkins

GitLab CI

Tools

Jenkins CI

GitLab CI

GitHub Copilot

Claude Code

AWS CLI

Kubernetes

Job description

Publicis Sapient in Boston is seeking a Java Architect to lead the design, development, and deployment of scalable, microservices-based solutions for high‑frequency trading environments.

You will mentor engineers, drive coding standards and performance optimization, and collaborate with Product, Business Analysts, and stakeholders to translate requirements into robust architectures. Strong Java/Spring, AWS, CI/CD, and low‑latency data skills are essential.