Senior Full Stack Developer (React/React Native + Java)

Full Stack Developer (React/React Native + Java)

• Hands‑On Engineering

  • Design, develop, and deliver end‑to‑end full‑stack features across frontend (React / React Native) and backend (Java, Spring Boot)
  • Build and maintain REST and GraphQL APIs using a spec‑driven, API‑first approach
  • Develop and integrate web and mobile UIs with backend services to support complete user journeys
  • Design and optimize data models and persistence layers (PostgreSQL or similar)
  • Implement secure, scalable solutions with proper authentication and authorization (OAuth, RBAC)
  • Ensure high standards for performance, resilience, reliability, and maintainability

  Technical Leadership

  • Act as a technical lead and hands‑on architect, owning key design and implementation decisions
  • Design reusable components, shared services, and common frameworks aligned with enterprise architecture standards
  • Review code and designs to ensure best practices in quality, security, and scalability
  • Guide adoption of cloud‑native and modern engineering practices (AWS preferred)
  • Bring practical experience with AI‑enabled and agentic development approaches into solution design where applicable

  Team & Delivery Leadership

  • Lead and mentor full‑stack engineers while remaining actively involved in day‑to‑day development
  • Set clear technical standards, development practices, and engineering discipline across the team
  • Participate directly in sprint planning, technical refinement, estimates, and trade‑off discussions
  • Partner with product, design, and architecture to clarify requirements and drive execution
  • Support structured delivery by balancing hands‑on execution with planning, dependency management, and risk awareness

  Stakeholder Collaboration

  • Work closely with cross‑functional and client stakeholders to translate business requirements into technical solutions
  • Communicate complex technical concepts clearly to technical and non‑technical audiences
  • Support client‑facing engagements through hands‑on problem solving and technical credibility

Required Skills

• 10+ years of overall software engineering experience with significant hands‑on full‑stack development
• Strong, current coding experience in:
  • Frontend: React and/or React Native
  • Backend: Java, Spring Boot
  • APIs: REST and GraphQL
• Experience designing and working with relational data stores (PostgreSQL preferred)
• Experience delivering cloud‑based solutions (AWS preferred)
• Solid understanding of application security, including OAuth, RBAC, and secure API design
• Proven ability to lead engineers while remaining deeply hands‑on
• Experience working in structured, enterprise delivery environments
• Strong problem‑solving, debugging, and performance‑tuning skills
• Excellent communication skills and comfort operating in client‑facing settings

Preferred / Good to Have

• Experience in wealth management, financial services, or other regulated industries
• Exposure to AI frameworks, LLMs, or agentic development patterns in production systems
• Experience designing and deploying services using API gateways
• Familiarity with CI/CD pipelines and modern DevOps practices

Pay Range: $162,000 - $240,000

The range shown represents a grouping of relevant ranges currently in use at Publicis Sapient. Actual range for this position may differ, depending on location and specific skillset required for the work.

• 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.

Your information will be kept confidential according to EEO guidelines.

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.