Service-Oriented Architecture; SOA Developer

Service-Oriented Architecture (SOA) Developer

• Full-time

Zillion Technologies Inc.

- (ZTI) is a global business consulting and technology solutions provider. Zillion delivers innovative business solutions that give clients a competitive edge.

Job Title: SOA Developer

Location:
McLean, VA

We are seeking an experienced Service-Oriented Architecture (SOA) Developer to design, develop, implement, and maintain enterprise integration solutions supporting critical mortgage, financial, and business applications. The ideal candidate will possess strong expertise in SOA principles, API development, middleware technologies, cloud integration, and enterprise application integration (EAI) within large-scale financial services environments.

The SOA Developer will collaborate with Solution Architects, Business Analysts, Product Owners, Dev Ops Engineers, and application development teams to deliver scalable, secure, and high-performing integration solutions aligned with Client's digital transformation initiatives.

Key Responsibilities:

SOA Design & Development

• Design, develop, test, and deploy service-oriented applications and enterprise integration solutions.
• Develop reusable services, APIs, and microservices supporting business-critical applications.
• Implement RESTful and SOAP web services using industry-standard frameworks.
• Create service contracts, WSDLs, XSDs, Swagger/OpenAPI specifications, and API documentation.
• Develop event-driven and message-based integrations using enterprise messaging platforms.
• Design and implement integrations between internal systems, third-party applications, cloud platforms, and external business partners.
• Develop middleware solutions supporting data transformation, orchestration, and routing.
• Build and maintain service orchestration workflows and business process integrations.
• Support batch, real-time, and near-real-time data exchanges.

Architecture & Engineering

• Collaborate with Enterprise Architects to define SOA standards, governance, and best practices.
• Participate in solution architecture reviews and technical design sessions.
• Ensure scalability, resiliency, performance, and security of service-based solutions.
• Implement fault-tolerant and highly available integration architectures.
• Support migration of legacy integrations to cloud-native architectures.
• Participate in Dev Ops automation and release management activities.

Performance & Support

• Troubleshoot complex production issues involving middleware, APIs, and integration services.
• Perform root cause analysis and implement long-term solutions.
• Monitor service health and optimize application performance.
• Participate in on-call production support rotations as required.

Documentation & Compliance

• Create and maintain technical design documents, runbooks, and support procedures.
• Ensure solutions comply with Client's security, governance, and regulatory requirements.
• Support audit and compliance initiatives.

Education:

• Bachelor's Degree in Computer Science, Information Systems, Engineering, or related field.
• Equivalent combination of education and relevant experience may be considered.

Experience:

• 7+ years of software development experience.
• 5+ years of hands-on SOA and Enterprise Application Integration experience.
• Experience developing enterprise-scale APIs and integration solutions.
• Experience working within Agile/Scrum environments.
• Financial Services, Mortgage, Banking, or Insurance industry experience preferred.

Required Technical

Skills:

Integration Technologies

• Service Bus Technologies
• API Management Platforms
• Message Queuing Systems

Development Languages

• Java
• Spring Boot
• Python
• SQL

Web Services

• REST APIs
• SOAP Web Services
• XML
• JSON
• WSDL
• XSD

Middleware Technologies

Experience with one or more:

• Mule Soft
• IBM MQ
• TIBCO
• Oracle SOA Suite
• Red Hat Fuse
• AWS
• Docker
• Open Shift

Dev Ops Tools

• Git
• Jenkins
• Git Hub Actions
• Terraform
• Ansible

Databases

• Oracle
• SQL Server
• MongoDB

Preferred Qualifications:

• Experience supporting Government-Sponsored Enterprises (GSEs).
• Experience implementing microservices architectures.
• Experience with event-driven architectures.
• Experience with Kafka-based messaging solutions.
• Experience with API Gateway technologies.
• Experience in cloud-native application modernization initiatives.