[Remote] Principal Backend Engineer – Rules Engine & Data Platform
Note: The job is a remote job and is open to candidates in USA. Intellibus engineers platforms supporting large-scale financial trading and enterprise applications. The company is seeking a highly experienced, hands-on Principal Java Backend Engineer to modernize and optimize enterprise financial platforms, distributed systems, APIs, databases, and cloud-native services. The role also involves production troubleshooting, performance engineering, technical leadership, and mentoring.
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
Skills
- • Bachelor's degree in Computer Science (or equivalent experience)
- • 12+ years of hands-on Java backend development experience
- • 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 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 with Business Rules Engines (Drools, ILOG, Blaze Advisor, etc.)
- • Experience with Apache Parquet
- • Experience with Jasper Reports
- • Experience building enterprise ETL or large-scale data processing platforms
- • Expert-level Java development (Java 11/17+ preferred)
- • Amazon Redshift (Preferred)
- • Experience with asynchronous messaging and event-driven architecture (Kafka preferred)
Company Overview
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