Experienced Spring Batch Developer

Keoni; Paris; Hybrid; EUR 65,000 - 90,000; Full time

Job summary

Kéoni Consulting is seeking an Experienced Spring Batch Developer to lead the design and implementation of robust batch processes for large data volumes. You will contribute to best practices, code reviews, and systematic improvements while collaborating with a cross-functional team in Europe.

The role requires strong autonomy, hands-on Java/Spring Batch expertise, and the ability to mentor junior developers while ensuring timely, reliable deployments and adherence to quality standards.

Qualifications

• Spring Batch mastery with at least 4–5 years of experience.
• Strong autonomy and ability to quickly produce reliable code.
• Demonstrated ability to work in a mixed team (junior + lead).
• Good teaching skills and ability to share best practices.

Responsibilities

• Design and develop high-performing and robust Spring Batch jobs.
• Mentor and develop the skills of junior developers on the team.
• Ensure clean, maintainable code that complies with internal standards.

Skills

Spring Batch

Java

Kafka

Autonomy

Teamwork

Mentoring

Tools

Git

CI/CD

Oracle

Job description

# Experienced Spring Batch Developer* Experienced Spring Batch Developer**MISSIONS**Technical environment: – Java 17 – Spring Batch (key skill) – Kafka – Oracle 19c – Additional tools (CI/CD, Git, monitoring, etc.) depending on the internal stack**Desired expertise**Experienced developer with a minimum of 4 to 5 years of experience.– Essential mastery of Spring Batch (decisive criterion). – Strong autonomy and ability to quickly produce reliable code. – Demonstrated ability to work in a mixed team (junior + lead). – Good teaching skills and ability to share best practices.**SKILLS****Technologies and Tools**Kafka GIT CI/CD JavaSpring Batch **(5 years)** Oracle**Soft skills**AutonomyFounded in 2008, Kéoni Consulting is an IT consulting and engineering firm specializing in the banking, financial markets, insurance, and industrial sectors. We are the partner for major accounts in their digital transformation. We help them transform their business model, align their operational processes, select the best technologies, and mitigate and address the risks associated with digitalization.Kéoni Consulting helps companies to:Making a differenceInnovate and createReinvent your businessSatisfying customersGaining a competitive advantageTo become the leader in their sectorBecome the leader in your sectorOur activity covers the entire lifecycle of information systems (Project Management and Steering, Business Analysis Consulting, Design, Implementation, Maintenance, Production and Operation).Mission objective – To ensure the clean and reliable development of Spring Batch jobs for processing large volumes of data. – To structure best development practices (quality, testing, performance). – To mentor and develop the skills of junior developers on the team. – To contribute to the security of production deployments and the stability of the processing pipeline.Role & Responsibilities: – Design and develop high-performing and robust Spring Batch jobs. – Participate in technical workshops and solution definition. – Analyze existing workflows and identify potential optimizations. – Ensure clean, maintainable code that complies with internal standards. – Perform unit, integration, and load testing related to batch jobs. – Support the team in incident resolution and continuous improvement. – Provide technical guidance to less experienced team members (pair programming, code review). – Collaborate closely with the tech lead.**Work location:** Europe