Principal Java Engineer – Financial Systems & Data Platform

Intellibus is a company that engineers platforms impacting billions of lives, and they are seeking a highly experienced Principal Java Backend Engineer. The role focuses on improving, optimizing, and transforming enterprise financial platforms, requiring a hands-on approach to solving complex distributed systems problems.

Responsibilities:

• Design and develop highly scalable enterprise-grade Java backend applications
• Build and optimize distributed systems capable of processing millions of financial transactions
• Modernize legacy enterprise applications into cloud-native Java services
• Identify and resolve application performance bottlenecks across Java services, APIs, databases, and distributed systems
• Tune complex SQL queries, execution plans, indexing strategies, and database performance
• Develop scalable REST APIs and microservices using Spring Boot
• Design resilient, highly available backend services for mission-critical financial platforms
• Work on enterprise remediation initiatives, technical debt reduction, and platform modernization
• Develop and optimize high-throughput data processing and reporting platforms
• Design cloud-native solutions using AWS services
• Work closely with Architects, Product Managers, Business Analysts, and Engineering Leadership to translate business requirements into scalable technical solutions
• Lead production troubleshooting, root cause analysis, and performance optimization initiatives
• Mentor engineers while maintaining a strong hands-on engineering presence
• Champion clean architecture, reusable frameworks, CI/CD automation, and engineering best practices

Requirements:

• Bachelor's degree in Computer Science (or equivalent experience)
• 12+ years of hands-on Java backend development experience
• Expert-level Java development (Java 11/17+ preferred)
• Extensive experience with Spring Boot, Spring Framework, REST APIs, and Microservices
• Strong expertise in Object-Oriented Design, Design Patterns, Multithreading, Concurrency, Collections, and JVM Performance Tuning
• Strong experience building high-performance distributed systems
• Experience modernizing legacy enterprise applications
• Strong SQL optimization, query tuning, execution plans, indexing strategies, and database performance analysis
• Experience supporting enterprise production environments and remediation initiatives
• Strong AWS experience including: AWS Lambda, Amazon S3
• Strong understanding of distributed systems, scalability, resiliency, and high availability
• Experience with asynchronous messaging and event-driven architecture
• Experience with Git, Maven, Gradle, Jenkins, and CI/CD pipelines
• Excellent debugging, profiling, and production support experience
• Experience working in Financial Services, Banking, Capital Markets, FinTech, or Technology Consulting
• Experience building enterprise ETL or large-scale data processing platforms
• Amazon Redshift
• Kafka
• Business Rules Engines (Drools, ILOG, Blaze Advisor, etc.)
• Apache Parquet
• Jasper Reports