Middleware Engineer

VGroup Inc; New York (NY); On-site; USD 110,000 - 150,000; Full time

Job summary

VGroup Inc is seeking a Middleware Engineer for a 36-month onsite engagement in Brooklyn, NY. The role focuses on design, development, testing, and deployment of enterprise middleware integrations and API backends.

The candidate will coordinate with ITS to support DSS program needs and ensure secure, reliable data exchanges across systems. The project emphasizes creating detailed system designs, documentation, and automation for ongoing operations and security compliance.

Qualifications

• A minimum of 4 years of experience with middleware and integration technologies.
• Experience with enterprise middleware platforms and integration tooling.
• Strong knowledge of SOA principles, XML/JSON, REST/SOAP APIs, and WSDL usage.
• Hands-on experience with IBM Integration Bus and related web services.
• Database experience with Oracle and SQL Server.
• Ability to develop and maintain APIs and backend data components.

Responsibilities

• Develop System Design Specifications and design documentation.
• Create detailed integration specifications for databases, networks, security, and software configurations.
• Build and enhance middleware integrations for new business requirements.
• Implement and document system operations designs and architecture diagrams.
• Prepare documentation for all integrations and data transmissions between ecosystems.
• Develop, test, and maintain APIs and backend database components.
• Monitor middleware health, queues, and system traffic for reliability.

Skills

Middleware Expertise

Application Development

Data Analysis

SOA & Integration

IBM Integration Bus & Web Services

Database Expertise

Job description

End Client: Department of Social Services

Job Title: Middleware Engineer

Duration: 36 months and Extension

Location: Brooklyn, NY 11238 Onsite

Hours Per Week: 35 hours

Ceipal ID: NYC_MID085_SN

Job Code: 085/086

Department: ITS

Scope of Project

ITS serves all DSS program areas to fulfill their IT needs. The Middleware Services team is expanding its role to encompass increased need for the design, development, testing, implementation, and production deployment of enterprise middleware integrations and releases, as well as management and coordination between ITS offices and other DSS program areas. Having the appropriate middleware engineering resources to properly support business needs and ITS workload is a crucial part of ITS operations. Therefore, there is a need for IT consulting resources to support the expanding responsibilities of this division.

Responsibilities

• Develop System Design Specifications


• Prepare design documentation for solutions that meet system and security requirements, including evaluation of alternative approaches.


• Develop detailed specifications covering integrations, databases, network architecture, security, and software configurations.


• Create structured diagrams to represent database designs, communication systems, and network paths.


• Develop, compile, maintain, and document configurations for databases, servers, monitoring systems, packaged applications, utilities, and ecosystem components.


• Implement enhancements to existing integrations to accommodate security updates or mapping changes.


• Develop System Documentation


• Develop operational and installation procedures for communication systems, hardware, network, security, storage, and software.


• Develop guidelines and upgrade techniques for new operational procedures supporting databases, hardware systems, operating systems software, network systems software, security, and client server systems.


• Develop detailed systems operations designs and architecture diagrams.


• Prepare documentation for all integrations and the corresponding data transmissions between ecosystems.


• Perform System Design/Development


• Create, test, and maintain APIs and backend database components.


• Build integrations to enable data exchange between agency systems and external platforms, as well as across internal ecosystem applications.


• Develop and enhance middleware integrations to support new and evolving business requirements.


• Provide general programming support and assistance to other technical staff and related projects as needed.


• Perform daily health checks and proactive monitoring of middleware integrations to ensure uninterrupted application performance.


• Monitor scheduled jobs and system traffic to confirm successful processing of all requests.


• Manage environment credentials and configurations to maintain secure access across development, QA, and production environments.


• Investigate and resolve integration issues by rerunning processes or coordinating with vendors and partner teams to process pending requests.


• Review database logs for exceptions and take proactive measures to resolve integration issues, preventing service disruptions during business hours.


• Check queues and reprocess transactions as needed to ensure timely and reliable data delivery across integrated systems.


• Monitor server health and system activity to ensure agency applications operate smoothly, enabling timely case transmission and processing.


• Build a new training environment to support staff onboarding and training activities.


• Conduct unit testing newly developed and modified integrations to verify individual components function as designed.


• Support QA test cycles by executing integration test scenarios and ensuring all functional requirements are met prior to production deployment, and assisting with performance testing as needed.


• Test APIs and integrations across different data formats used by integrated system modules.


• Provide support for middleware components, including message flows, queues, and web services used for data exchange.


• Develop guaranteed delivery message flows to ensure no loss of client data after submission.


• Build and automate log monitoring processes, including notifications and alerts for failures or exceptions.


• Develop, implement, and monitor information technology quality assurance standards.

Required/Preferred Skills

A minimum of 4 years of experience with the following skill sets:

• Application Development & Middleware Expertise
  
  
  
  • Experience in application software development using middleware platforms and integration tools, along with strong skills in data analysis, data access, data structures, data manipulation, databases, design, programming, testing, and implementation
  
  
  
  


• Documentation & Software Conversion
  
  
  
  • Preparing technical and user documentation, as well as performing software conversions.
  
  
  
  


• Multi-Platform Environment Exposure
  
  
  
  • Exposure to diverse environments including mainframe, mid-range systems, personal computers, and laptops
  
  
  
  


• Database Expertise
  
  
  
  • Working with Relational databases including but not limited to Oracle and SQL Server
  
  
  
  


• IBM Integration Bus & Web Services
  
  
  
  • Hands‑on experience in enterprise middleware platform flow development and administration, along with web service development and consumption
  
  
  
  


• SOA & Integration Technologies
  
  
  
  • Strong knowledge of Service-Oriented Architecture (SOA) trends and standards, including XML, JSON, REST APIs, SOAP APIs, XML schemas, and WSDL usage