Senior Back-End Engineer

Company description

Publicis Global Delivery (PGD); Publicis Groupe’s industry leading globally connected capability platform. Where talent, technology & operations combine to delivery amazing solutions for our clients. Expertise across Media, Data, Technology, Commerce & Production in all regions of the world. 

PGD is comprised of the best talent, and ways-of-working, which enables global scale, innovation and transformation, each day.

Culture, growth and wellbeing underline all aspects of Publicis Global Delivery.

#WeArePGD

Overview

The Senior Backend Engineer / Software Architect plays a key role in the design, development, and optimization of scalable backend systems that power critical business applications. This role combines deep technical expertise, architectural vision, and leadership skills to define standards, ensure code quality, and guide teams in building secure, maintainable, and high-performance software solutions.

The ideal candidate is both a hands-on builder and a strategic thinker, capable of moving seamlessly from architectural design to code implementation while ensuring alignment with long-term business and technology goals.

Responsibilities

Architecture & Design

• Define and maintain the architectural blueprint for backend systems, ensuring scalability, security, and cost-efficiency
• Establish development standards, best practices, and governance models for microservices and APIs
• Lead the design of distributed systems, event-driven architectures, and data flow across services

Development & Implementation

• Develop robust, reusable, and efficient backend components using modern frameworks (e.g., .NET Core, Node.js, Python, Java, or Go)
• Design RESTful and GraphQL APIs that serve as the foundation for frontend and external integrations
• Collaborate with DevOps engineers to implement CI/CD pipelines and containerized deployments (Docker, Kubernetes)

Performance & Reliability

• Conduct performance tuning, scalability assessments, and architecture reviews
• Ensure high availability, resilience, and monitoring through observability tools (e.g., Application Insights, Prometheus, Grafana, ELK)
• Implement security and compliance standards aligned with organizational and industry best practices

Collaboration & Mentorship

• Partner with Product, Data, and Frontend teams to translate business requirements into technical solutions
• Review and guide the work of other engineers to maintain architectural consistency and technical excellence
• Mentor developers and promote continuous learning, automation, and engineering maturity across teams

Qualifications

Preferred Skills

• Familiarity with event-driven systems 
• Experience integrating with identity and access management solutions
• Exposure to serverless computing and domain-driven design (DDD) principles
• Prior experience in global delivery or multi-region environments

Behavioral Competencies 

• Strong ownership and accountability for end-to-end solutions. 
• Strategic mindset with the ability to simplify complex problems into clear architectural decisions. 
• Pragmatic, hands-on, and comfortable balancing speed with technical rigor. 
• Excellent communication and stakeholder management skills across technical and non-technical audience