Reverse Engineering Expert - Java

Role Name Reverse Engineering Expert - Java Job Summary Reverse engineer embedded SQL and transactional behavior from 1000+ Java applications, converting them into testable data contracts and workload signatures. This role ensures pre-model validation and migration readiness, maintaining data integrity and compatibility with target platforms. Location San Jose, CA / Scottsdale, AZ Experience 10+ years in Java application architecture and reverse engineering Key ResponsibilitiesCodebase Analysis:Analyze Java applications using JDBC, ORM frameworks, and custom data access layers.Extract embedded SQL and transaction scopes.Identify implicit assumptions in ordering, locking, isolation, and retry behavior.SQL Signature Extraction:Normalize SQL into reusable signatures.Map signatures to tables, columns, and transaction units.Identify query patterns incompatible with migration platforms like Spanner.Behavior Reconstruction:Reconstruct logical transactions spanning multiple queries.Translate embedded business workflows into intent-based contracts.Collaboration:Work with Oracle architects to validate runtime behavior.Collaborate with Spanner architects to assess feasibility.Support QA teams in creating realistic replay workloads. Required Skills & Experience10+ years of experience in Java application architecture.Expertise in JDBC, transaction management, and ORM internals (Hibernate/JPA).Strong SQL knowledge including complex joins and subqueries.Experience reverse engineering large legacy systems.Ability to read and understand code written by multiple teams over time. CompetenciesJava Application ArchitectureSQL & Transaction AnalysisReverse Engineering Legacy SystemsORM & JDBC ExpertiseCollaboration with Architecture & QA Teams Key DeliverablesSQL signature libraryTransaction behavior mapsApplication-to-data dependency graphsCompatibility risk flagsInput artifacts for workload replay