Middleware Integration & Database Engineer

Experience: 4–6 Years
Location: Chennai, Bangalore, Hyderabad, Pune & Gurgaon
Work Mode: Hybrid – 3 Days Work From Office
Payroll: Haparz
Budget: Up to 17 LPA

Role Overview

We are looking for a Middleware Integration & Database Engineer with strong hands-on experience in middleware integration, event-driven architecture, database support, API management, and enterprise application integration.

The ideal candidate should be comfortable working across Workato, Informatica, APIs, event-driven integrations, Oracle databases, middleware application servers, and enterprise platforms such as Salesforce, Oracle CPQ, and Oracle Fusion. The role involves designing reliable integrations, troubleshooting production issues, implementing resilient event-processing patterns, and ensuring secure handling of payment and tokenization workflows.

Key Responsibilities

- Design, develop, maintain, and troubleshoot middleware integrations using Workato for event-based integrations and Informatica for data-driven workflows.
- Build and support event-driven integration patterns using webhooks, message queues, asynchronous processing, dead-letter queues, retries, and backoff mechanisms.
- Develop resilient integration workflows with appropriate exception handling, failure recovery, monitoring, logging, and alerting.
- Design and implement API versioning and lifecycle management strategies while maintaining backward compatibility.
- Integrate payment platforms and tokenization-boundary systems while following PCI-compliant security and data-handling practices.
- Support integrations across Salesforce, Oracle CPQ, Oracle Fusion, and other enterprise applications.




- Administer and troubleshoot middleware/application servers including WebLogic, WebSphere, NGINX, and Apache Tomcat.
- Develop, optimize, and troubleshoot Oracle PL/SQL procedures, functions, packages, queries, and database operations.
- Provide database administration/support across platforms such as Oracle, DB2, SQL Server, MySQL, MongoDB, PostgreSQL, or Informix.
- Work with BizTalk and/or CFI/MFT technologies for enterprise messaging and file-based integrations.
- Monitor middleware and database environments and proactively identify performance, availability, and integration issues.
- Establish real-time alerting and operational monitoring for critical integration workflows.
- Troubleshoot production incidents involving middleware, APIs, databases, message processing, and downstream/upstream application dependencies.
- Collaborate with developers, architects, QA, database teams, Salesforce teams, and business stakeholders to deliver reliable integration solutions.
- Prepare and maintain technical documentation covering integration architecture, workflows, configurations, troubleshooting procedures, and operational processes.
- Participate in continuous improvement initiatives focused on integration reliability, scalability, security, and performance.

Technical Expectations





- Strong hands-on experience with Workato and event-driven integrations.
- Experience developing Informatica data-driven workflows.
- Strong understanding of event-driven architecture and asynchronous integration patterns.
- Practical experience with webhooks, message queues, DLQ, retry, timeout, and backoff mechanisms.
- Good understanding of REST APIs, API lifecycle management, API versioning, and backward compatibility.
- Experience with payment integrations, tokenization, sensitive-data handling, and PCI-scoped environments.
- Hands-on administration/support experience with WebLogic, WebSphere, NGINX, or Apache Tomcat.
- Strong Oracle PL/SQL development and troubleshooting experience.
- Database administration/support experience with one or more of Oracle, DB2, SQL Server, MySQL, MongoDB, PostgreSQL, or Informix.
- Exposure to BizTalk and/or CFI/MFT middleware technologies.
- Experience with production support, incident management, monitoring, logging, and root-cause analysis.

Good to Have

- Integration experience with Salesforce, Oracle CPQ, and Oracle Fusion.
- Experience with AWS Lambda, Azure Functions, or other cloud-based integration services.
- Knowledge of real-time middleware monitoring and alerting frameworks.
- Exposure to GraphQL, event sourcing, or contemporary integration architectures.
- Strong understanding of security practices for payment and tokenization systems.
- Workato, Informatica, Oracle, Salesforce, or integration-related certifications.
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.

Work Location: Hybrid remote in Bangalore City, Bengaluru, Karnataka

📌 Hiring Middleware Integration & Database Engineer (Bengaluru)
🏢 Haparz
📍 Bengaluru