Senior Java / IBM ACE Developer

Role Overview

The Senior Java / IBM ACE Developer will join our technology team at a leading retail bank. This role focuses on designing, developing, and supporting enterprise-grade integration solutions using IBM App Connect Enterprise (ACE) and modern Java technologies. You will lead the development of mission-critical integration services supporting billing, payments, core banking, and external partner ecosystems. The role requires deep expertise in API integration, message transformation, event-driven architecture, and enterprise messaging patterns within a regulated banking environment.

Key Responsibilities

• Design and develop integration solutions using IBM App Connect Enterprise (ACE)
• Build, deploy, and support message flows, REST/SOAP services, and event-driven integrations
• Develop and maintain Java-based services supporting enterprise integration patterns
• Design API integrations between core banking systems, payment platforms, and third-party services
• Implement messaging solutions using IBM MQ and/or Kafka
• Develop ESQL, Java Compute Nodes, message mappings, and reusable integration components
• Lead architecture discussions for enterprise integration and microservices connectivity
• Ensure scalability, high availability, and resilience of integration services
• Implement security best practices including OAuth2, JWT, TLS, and enterprise authentication standards
• Troubleshoot and resolve production issues including performance bottlenecks and message failures
• Conduct code reviews and enforce integration development standards
• Mentor junior developers on ACE development and integration best practices
• Collaborate with business analysts, architects, DevOps, and infrastructure teams
• Participate in CI/CD implementation and automated deployment pipelines
• Create and maintain technical documentation and interface specifications
• Support regulatory, audit, and compliance requirements in financial systems

Required Qualifications/Skills

• 5+ years of professional software development experience
• 3+ years of hands-on experience with IBM App Connect Enterprise (ACE) / IBM Integration Bus (IIB)
• Strong Java development experience (Java 8/11/17)
• Proven experience designing REST and SOAP services
• Experience with IBM MQ or enterprise messaging platforms
• Strong understanding of enterprise integration patterns (EIP)
• Experience with message transformation (XML, JSON, SOAP, EDI)
• Proficiency in ESQL and Java Compute Nodes
• Solid knowledge of API design and integration best practices
• Experience with Oracle databases, SQL, and PL/SQL
• Experience with Git and branching strategies
• Familiarity with containerization (Docker, Kubernetes)
• Experience working in Agile/Scrum environments
• Strong problem-solving and analytical skills
• Excellent communication and stakeholder engagement skills
• Bachelor’s degree in Computer Science, Software Engineering, or related field

Preferred Qualifications

• Experience in retail banking or financial services
• Experience integrating with payment systems and billing platforms
• Knowledge of Kafka or event streaming platforms
• Experience with Spring Boot microservices
• Familiarity with API management platforms (Swagger, Apigee, MuleSoft, Informatica)
• Experience with cloud platforms (AWS, Azure, GCP)
• Understanding of batch processing frameworks
• Experience with DevOps tools (Jenkins, GitLab CI, Azure DevOps)
• Knowledge of security standards in banking environments

Locations: Pittsburgh, PA

About Techstra Solutions

Techstra Solutions is a certified woman-owned (WBENC) management consulting firm specializing in strategy, technology, and implementation services for large organizations undergoing digital and talent transformation. Our experienced team partners with clients to co-create innovative solutions in applications, data, AI, and automation that accelerate measurable, sustainable change. From advisory consulting through technical execution, we are dedicated to driving world-class business solutions that fit your strategic requirements and deliver results. For more information: www.techstrasolutions.com