Specialty Software Engineer 4 (Lead – Smalltalk / Java Modernization)
Company: S3
Location: Wilmington
Posted on: April 1, 2026
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Job Description:
Job Description Specialty Software Engineer 4 (Lead – Smalltalk
/ Java Modernization) Locations: Wilmington, DE | Iselin, NJ |
Charlotte, NC | Phoenix, AZ | Irving, TX Schedule: Hybrid (3 days
onsite – mandatory) Duration: 12-Month Contract
(Extension/Conversion Possible) Overview We are seeking a Senior /
Lead Specialty Software Engineer with deep Smalltalk expertise to
support critical credit card servicing platforms . This role is
heavily focused on maintaining and enhancing legacy Smalltalk
applications while playing a key role in modernizing systems to
Java-based architecture . You will operate as a senior team
member/lead , helping guide technical direction and supporting
Agile delivery. Key Responsibilities Smalltalk Development (Core
Focus) Lead development and support of Smalltalk-based applications
Package and deploy applications in non-production environments
Troubleshoot and enhance legacy systems supporting credit card
operations Modernization Initiatives Contribute to migration
efforts from Smalltalk ? Java Support backend engineering aligned
with modern architecture Partner with teams on long-term platform
transformation strategy Technical Leadership Act as a senior/lead
engineer within the Scrum team Guide design decisions using OOP
principles and best practices Assist in organizing work, mentoring
team members, and driving delivery Agile Delivery Participate in
Scrum ceremonies (2-week sprints) Deliver assigned user stories and
support production stability Required Qualifications 10 years of
Smalltalk development experience Strong expertise in
Object-Oriented Programming (OOP) and design patterns Experience
with application packaging and deployment Strong analytical,
problem-solving, and communication skills Ability to work in a
fast-paced Agile environment Preferred Qualifications Experience
with Java (backend preferred) Exposure to React (UI layer)
Experience with Microsoft SQL Server Background in financial
services or enterprise platforms Tech Stack Smalltalk (Core) Java
(Backend – Nice to Have) React (UI – Nice to Have) SQL Server Agile
/ Scrum
Keywords: S3, Fayetteville , Specialty Software Engineer 4 (Lead – Smalltalk / Java Modernization), IT / Software / Systems , Wilmington, North Carolina
