Big Data Engineer - Database Performance Audit Job ID: JP054253

ITProposal

Brussel, Belgium

2 months ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English, French

Job source

careerjet.be

Tech stack

Java (Programming Language) Amazon S3 Big Data Databases Data Migration Data Synchronization Distributed Systems PostgreSQL Query Optimization Database Optimization Spring-boot Database Performance

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Job description

Analyze PostgreSQL database performance, scalability, and reliability.
Investigate slow queries, indexing strategies, locking issues, and database contention.
Review database schemas, replication mechanisms, reporting views, and data synchronization processes.
Assess the impact of data migration and document migration activities on system performance and data consistency.
Identify technical risks affecting performance, maintainability, and operational resilience.
Contribute to audit findings, technical assessments, and actionable recommendations.
Collaborate with architects, developers, and audit team members to provide evidence-based conclusions.

Technical Environment

Java / Spring Boot microservices
Angular micro-frontends
Kafka event-driven architecture
PostgreSQL databases
Spring Batch processing
Alfresco / S3 document repositories
Podman containerized platform

Requirements

Expert-level PostgreSQL performance analysis.
Strong expertise in query optimization, indexing, locking analysis, and database troubleshooting.
Proven experience auditing application databases in large-scale enterprise environments.
Ability to analyze complex distributed systems and high-volume data platforms.
Strong understanding of data consistency, replication, and migration challenges.

Profile

Extensive experience in database performance auditing and optimization.
Excellent analytical and problem-solving skills.
Strong communication skills in French (C2 level required).
Ability to work independently while collaborating within a multidisciplinary audit team.
Experience in large-scale Java/Spring Boot environments is highly desirable.