Senior Software Engineer JVM

Limelight Health; Paris; Sur place; EUR 90 000 - 130 000; Plein temps

Résumé du poste

Pelico, a manufacturing intelligence platform, seeks a senior engineer to lead the ETL backend in Java. You design scalable services, optimize data processing, and collaborate with cross-functional teams to deliver impactful features.

You will mentor junior engineers, ensure code quality through testing and secure coding practices, and partner with DevOps to optimize CI/CD. This role is based in Paris, France, with opportunities for remote candidates.

Qualifications

• Strong proficiency in Java or Kotlin (backend).
• Experience with relational databases and API development.
• Understanding of distributed systems concepts.

Responsabilités

• Lead Pelico ETL backend development in Java for scalability.
• Design and implement scalable, maintainable system architectures.
• Drive data ingestion, processing, and analysis at scale.
• Mentor junior engineers through code reviews and guidance.
• Ensure code quality with testing and secure coding practices.

Connaissances

Java

Kotlin

Relational databases

API development

Distributed systems

Performance optimization

SOLID

Design patterns

CI/CD

Testing

Debugging

Leadership

Mentoring

Description du poste

About Pelico

At Pelico, state-of-the-art technology meets supply-chain expertise in the search for operational excellence. Our manufacturing intelligence platform helps factories at Safran, Airbus, Daikin and other aerospace, defense, and industrial leaders stay agile and resilient — turning disruption into decisions. We're a fast-growing international SaaS scale-up:180+ Pelicans, 36+ nationalities, across Paris and Miami, making real impact, every day, on the ground.

Mission

This role focuses on building performant, maintainable systems while collaborating with cross-functional teams to deliver impactful features that meet business and customer needs.

Key Responsibilities

Lead Pelico ETL Backend Development in Java for Scalability and Performance

• Design, develop, and optimize Pelico ETL backend components using Java.

• Build scalable and efficient solutions for complex data processing.

• Integrate third-party services and APIs to extend platform capabilities.

• Solve complex performance bottlenecks and memory optimization challenges.

Design and Implement Robust System Architectures

• Architect scalable services with a focus on modularity and maintainability.

• Ensure data integrity, security, and availability in distributed environments.

• Collaborate with DevOps to optimize CI/CD pipelines and deployment strategies.

Drive Data-Driven Solutions and Integration Efforts

• Develop solutions for large-scale data ingestion, processing, and analysis.

• Optimize relational database interactions and distributed data systems.

• Collaborate with data engineers to refine data models and optimize queries.

Mentor and Guide Junior Engineers

• Provide technical leadership through code reviews and knowledge-sharing sessions.

• Support team growth by coaching junior engineers in Java best practices.

• Lead by example, fostering a culture of high standards and innovation.

Ensure Code Quality, Testing, and Best Practices

• Write clean, maintainable, and testable code following industry standards.
• Implement unit, integration, and performance testing to guarantee system stability.
• Drive adherence to secure coding practices and compliance requirements.

Technical Skills

Core Technical Proficiency

• Strong proficiency in Java or Kotlin (backend)

• Experience with relational databases and API development

• Understanding of distributed systems concepts

• Familiarity with performance optimization techniques

Software Architecture

• Knowledge of design principles (SOLID, separation of concerns, DRY)

• Understanding of design patterns

• Ability to write maintainable and testable code

Development Practices

• Experience with automated testing and CI/CD

• Ability to define and document technical specifications

• Balance between feature development and technical debt

Problem Solving

• Strong debugging and troubleshooting skills

• Ability to design robust, scalable solutions

• Risk identification and mitigation

Your interview experience:

1. HR screening Interview: 30 mins

2. Hiring Manager Interview: 30 mins

3. On-site case study : 1h30 (or online for remote candidates)

4. Fit Interview : 45 mins

5. Culture Fit and References check