Principal Engineer – Java Trading Platforms

Job Description

As a Java Architect, you will oversee the development, design, user interface, technology integration, and site architecture management. You will work with clients while managing technology teams from definition phase through implementation. 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.

Qualifications

Technical Leadership

• Lead and mentor a team of engineers delivering enterprise-scale data solutions
• Provide hands-on guidance across architecture, design, development, and troubleshooting
• Drive best practices in coding standards, performance optimization, and system reliability
• Conduct code reviews and enforce quality and security standards
• Lead the adoption of Generative AI tools

Platform Development

• 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‑drive 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.

Cloud & Infrastructure

• Architect and deploy solutions in AWS environment
• Implement scalable, secure, and high-availability solutions

Delivery & Collaboration

• Partner with Product, Business Analysts, and stakeholders to translate requirements into technical solutions
• Manage project timelines, deliverables, and resource allocation
• Ensure alignment with SDLC processes, DevOps practices, and CI/CD pipelines

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

Technical Qualifications

• 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).
• 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.
• Proven experience with AWS Services, Linux/Unix environments
• Ability to lead technical solution design and architecture discussions
• Proficiency in using AI pair-programmers and engineering assistants (specifically GitHub Copilot and/or Claude Code) to optimize workflow efficiency and accelerate problem-solving
• Testing & CI/CD: Commitment to TDD/BDD practices and automated pipeline integration (Jenkins, GitLab CI)

Additional Information

• An inclusive workplace that promotes diversity and collaboration.
• Access to ongoing learning and development opportunities.
• Competitive compensation and benefits package.
• Flexibility to support work-life balance.
• Comprehensive health benefits for you and your family.
• Generous paid leave and holidays.
• Wellness program and employee assistance.

Pay Range: $165,000 - $205,000

As part of our dedication to an inclusive and diverse workforce, Publicis Sapient is committed to Equal Employment Opportunity without regard for race, color, national origin, ethnicity, gender, protected veteran status, disability, sexual orientation, gender identity, or religion. We are also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at hiring@publicis.sapient.com.

Your information will be kept confidential according to EEO guidelines.

Company Description

Publicis Sapient is a digital transformation partner helping established organizations get to their future, digitally-enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next, our 20,000+ people in 53 offices around the world combine experience across technology, data sciences, consulting and customer obsession to accelerate our clients’ businesses through designing the products and services their customers truly value.

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