Senior Software Engineer - Smalltalk / Java (Legacy Modernization)

Overview

We are seeking a Senior Software Engineer with strong Smalltalk development experience to support a large-scale legacy modernization initiative. This role focuses on maintaining and enhancing critical applications used in credit card servicing for small business and consumer customers, while contributing to the transition from Smalltalk to modern Java-based architectures. You will work as a senior member of an agile team, supporting existing systems while helping drive long-term modernization efforts expected to continue through 2027-2028.

Key Responsibilities

• Develop, maintain, and enhance applications built in Smalltalk
• Support modernization efforts, transitioning legacy systems to Java-based architectures
• Participate in Agile/Scrum ceremonies, working in 2-week sprint cycles
• Collaborate with cross-functional teams to deliver high-quality software solutions
• Package and deploy Smalltalk applications in non-production environments
• Troubleshoot and resolve complex technical issues within legacy and modern systems
• Contribute to backend development efforts, with some exposure to full-stack components
• Quickly learn and understand business processes related to credit card servicing platforms

Required Qualifications

• 5+ years of Smalltalk development experience
• Strong understanding of Object-Oriented Programming (OOP) concepts and design principles
• Experience packaging and deploying Smalltalk-based applications
• Solid problem-solving and analytical skills
• Strong verbal and written communication skills
• Ability to manage multiple tasks and work effectively in a fast-paced environment
• Demonstrated ability to quickly learn business processes and domain knowledge

Preferred Qualifications

• Experience with Java (backend preferred) and full-stack development
• Familiarity with React-based UI frameworks
• Experience with Microsoft SQL Server or similar relational databases
• Prior experience working on legacy system modernization initiatives
• Background in financial services or credit card platforms