Senior Backend Developer (Java, AWS, OVH)

About Us

Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.

About The Client

Our client is a well-established international software vendor operating in the Digital Experience Platform (DXP) space—helping enterprises unify content, customer data, and integrations to deliver high-quality digital experiences at scale. Their platform powers both public-facing systems with high traffic and large internal enterprise environments.

About The Role

We're looking for a Senior Software Engineer to join a highly experienced engineering team working on a modular, extensible platform combining Java backend systems and modern JS/TS frontends. You will contribute across a complex product ecosystem, including core platform services, extensibility modules, and a next-generation cloud platform roadmap. The role involves both hands-on development and active participation in technical decision-making, architecture discussions, and production issue resolution. A key focus area for the upcoming roadmap includes building and evolving a cloud orchestration layer, integrating deeply with cloud provider APIs (primarily AWS), while continuing to enhance the broader platform.

Working Model

• HYBRID OR REMOTE

Location

• Paris / Lyon / Remote within France

Work Permit / Relocation Support

• Available

Contract

• Permanent

Interview Process

• Intro Call + 4 client interviews

Responsibilities

• Develop and maintain features across Java (backend) and JS/TS (frontend) codebases
• Contribute to cloud platform development, including orchestration, provisioning, and lifecycle management
• Participate in architecture and design discussions, balancing performance, scalability, and maintainability
• Review code and ensure high standards in quality, testing, and technical debt management
• Debug and resolve complex production issues in collaboration with support teams
• Work closely with Product, QA, and cross-functional teams to deliver reliable features
• Contribute to CI/CD pipelines, automation, and DevOps practices
• Support extensibility and modularity across the platform ecosystem

Tech Environment

Backend:

• Java (JDK 17 → 21)
• Java EE
• OSGi (Karaf)
• JCR/Jackrabbit
• Lucene

APIs:

• REST (JAX-RS)
• GraphQL

Frontend:

• JavaScript / TypeScript
• React
• TSX
• micro-frontends

Cloud & DevOps:

• AWS
• OVH
• Docker
• CI/CD pipelines

Architecture:

• Modular platform, distributed systems, clustered deployments

Other:

• Eventing, caching, workflows, headless CMS architecture

Requirements

• 8+ years of experience as a Software Engineer, with strong Java expertise in production environments
• Solid experience with JavaScript / TypeScript (React is a strong plus)
• Experience with cloud platforms (AWS required) and containerization (Docker)
• Strong understanding of CI/CD and DevOps practices
• Experience working on complex, scalable systems or product platforms
• Comfortable with code reviews, debugging, and writing maintainable code
• Ability to participate in technical discussions and trade-offs
• Fluent in English (daily working language)

Nice to Have

• Experience with OSGi / modular architectures
• Exposure to DXP / CMS / headless platforms
• Open-source contributions or strong interest in OSS ecosystems