Senior Software Engineer, ERP Platform

Responsibilities

• Analyze and understand legacy COBOL (BusinessPlus) and Genero (eFinancePlus) applications including batch jobs, business rules, copybooks, and file processing.
• Translate legacy logic into clean, maintainable C#/.NET aligned with modern architecture patterns.
• Identify and remediate platform assumptions from HP MPE, UNIX emulation, file systems, and batch schedulers.
• Reconcile legacy data access patterns with SQL Server relational schemas and modern ORM practices.
• Preserve financial correctness including fund accounting, allocations, accruals, and auditability.
• Build the AI Modernization Factory—design agentic workflows that automate COBOL/Genero translation into C#.
• Implement pipelines for automated code translation, automated test generation, output diffing and reconciliation, and deterministic execution.
• Implement Golden Master testing frameworks to validate parity between legacy and modern systems.
• Platform Architecture & Integration: Architect an event-driven integration platform using AWS services including EventBridge, Lambda, API Gateway, SQS.
• Create an asynchronous integration gateway with canonical data contracts and establish publish/subscribe domain event patterns across ERP services.
• Create reusable modernization patterns and shared platform services for hybrid connectivity across cloud and on-premise environments using PrivateLink, VPC, Site-to-Site VPN.
• Modern Application Development: Design and build enterprise backend services using C#/.NET, implement architecture patterns including Domain-Driven Design, Repository and Unit of Work, Dependency Injection, and Event-driven messaging.
• Build micro-frontend applications using React and TypeScript, develop reusable enterprise UI components and dynamic screen frameworks, and implement robust automated testing across services and UI.

Qualifications

• 8+ years of professional software engineering experience, with significant experience building enterprise applications.
• Strong proficiency in C# and .NET, including experience designing and developing scalable backend services.
• Experience designing and implementing event-driven or distributed systems.
• Experience working with relational databases (SQL Server or similar) and modern data access patterns.
• Demonstrated experience applying object-oriented design principles and common design patterns (e.g., Repository, Dependency Injection, Pub/Sub).
• Experience working with cloud platforms such as AWS, Azure, or GCP and building API-driven services.
• Experience developing automated tests and working within CI/CD pipelines.
• Ability to analyze and refactor large or legacy codebases and translate business logic into modern architectures.
• Strong problem-solving skills and ability to work independently on complex technical initiatives.
• Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent practical experience.