Senior Java Software Engineer

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.

Overview

At Publicis Sapient, we help enterprises unlock value through modern digital platforms, cloud-native architectures, and API-driven ecosystems. As a Senior Java Software Engineer, you will play a key role in designing, building, and delivering scalable microservices and enterprise APIs that power critical business capabilities across complex distributed environments. This role is ideal for an engineer with deep expertise in Java, Spring Boot, and Microservices Architecture, who also brings experience integrating enterprise applications through MuleSoft Anypoint Platform. You will work across backend services, APIs, cloud-native solutions, and integration layers to deliver secure, reliable, and high-performing systems.

Responsibilities

Your Impact

Java & Microservices Engineering

• Design, develop, test, and deploy scalable, cloud-ready Java microservices using Spring Boot and modern software engineering practices.

• Build secure, resilient, and high-performance distributed systems aligned with business and architectural requirements.

• Design and implement RESTful APIs and event-driven integrations that enable seamless communication between enterprise platforms and services.

• Apply object-oriented design principles, design patterns, and domain-driven thinking to create maintainable and extensible solutions.

• Lead technical design discussions, perform code reviews, and champion engineering excellence across the development lifecycle.

• Write comprehensive unit, integration, and automated tests to ensure software quality and reliability.

• Contribute to CI/CD pipelines, DevOps practices, and cloud-native deployment strategies.

Integration & API Engineering

• Design and implement enterprise integration solutions using MuleSoft Anypoint Platform when required.

• Develop and manage APIs using API Manager, Runtime Manager, Design Center, and Anypoint Exchange.

• Apply integration patterns such as request/reply, pub-sub, scatter-gather, orchestration, and event-driven processing.

• Build data transformations and mappings using DataWeave and MuleSoft integration capabilities.

• Contribute reusable API assets, standards, and governance practices across integration initiatives.

Security, Performance & Reliability

• Implement security best practices including OAuth 2.0, JWT, API authentication, authorization, and secure service communication.

• Monitor, troubleshoot, and optimize application and integration performance across distributed systems.

• Identify scalability, resiliency, and reliability improvements through proactive engineering practices.

• Ensure non-functional requirements including performance, observability, availability, and maintainability are considered during solution design.

Collaboration & Delivery

• Partner with architects, product managers, and cross-functional teams to define and deliver scalable technology solutions.

• Translate business requirements into technical designs aligned with broader platform architecture.

• Communicate effectively with technical and non-technical stakeholders while driving delivery outcomes and technical excellence.

Qualifications

Skills & Experience

Required

• 7+ years of professional software engineering experience with strong hands-on Java development.

• Expert-level proficiency in Java, object-oriented programming, concurrency, multithreading, collections, and design patterns.

• Strong experience building microservices using Spring Boot and related Spring ecosystem technologies.

• Experience designing and implementing distributed systems and cloud-native applications.

• Advanced knowledge of RESTful API design, API versioning, error handling, and API lifecycle management.

• Experience implementing security standards including OAuth 2.0, JWT, OpenID Connect, and API security best practices.

• Hands-on experience with relational databases (SQL) and experience with NoSQL technologies is a plus.

• Experience with CI/CD pipelines, Git, automated testing, and DevOps practices.

• Strong debugging, troubleshooting, and performance optimization skills.

• Excellent communication and collaboration skills.

Preferred

• Hands-on experience with MuleSoft Anypoint Platform.

• Experience developing integration solutions using DataWeave, API Manager, Runtime Manager, and Design Center.

• Knowledge of enterprise integration patterns and API-led connectivity architecture.

• Experience integrating MuleSoft solutions with Java microservices ecosystems.

Set Yourself Apart With

• Experience designing enterprise-scale microservices architectures.

• Strong expertise in Spring Cloud, distributed systems, and event-driven architectures.

• Experience with Kafka, RabbitMQ, or other messaging/event-streaming platforms.

• Exposure to AWS, Azure, or GCP cloud platforms.

• Knowledge of containerization and orchestration technologies such as Docker and Kubernetes.

• MuleSoft certifications (Developer or Integration Architect).

• Experience defining API governance standards and reusable integration frameworks.

• Demonstrated ability to influence technical decisions and guide engineering teams through architectural trade-offs.

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.

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