GSSTech Group

Cloud payments, core banking, and DMS

Senior IBM Integration Developer - API Connect & DataPower

Backend EngineeringPosted on Nov 9

Full-timeRemote in IndiaNo salary listedRemote

About the Job

Requirements

Strong hands-on experience with IBM API Connect and IBM DataPower Gateway.
Proficiency in GatewayScript and XSLT.
Strong understanding of REST, SOAP, XML, and JSON.
Experience implementing OAuth 2.0, JWT, Mutual TLS, and WS-Security.
Experience with IBM App Connect Enterprise and IBM MQ.
Knowledge of API management, gateway configuration, and security policies.
Experience with Node.js and API development.
Familiarity with Oracle, MySQL, Git, GitHub, Postman, and SoapUI.
Experience with API Connect migration, preferably from V5 to V10.

Responsibilities

Design, develop, and implement enterprise integration solutions using IBM API Connect and IBM DataPower.
Develop, configure, and manage RESTful and SOAP APIs.
Manage the API lifecycle, including API creation, publishing, deployment, and migration.
Configure API security policies, including OAuth 2.0, JWT, Mutual TLS, and WS-Security.
Develop custom policies and API logic using GatewayScript and XSLT.
Implement API rate limiting, authentication, authorisation, and traffic management policies.
Configure IBM DataPower Multi-Protocol Gateway and XML Firewall.
Perform XML/JSON data transformation, payload validation, and message processing.
Work with IBM App Connect Enterprise and IBM MQ for enterprise application integration.
Develop REST/JSON services and Node.js-based APIs.
Provide L2/L3 production support, troubleshooting, and root cause analysis.
Monitor middleware services, analyse logs, and ensure high availability of integration platforms.

Desired Qualifications

Previous experience working on banking or financial services integration projects.
Experience supporting enterprise-scale middleware and API integration environments.

Senior IBM Integration Developer - API Connect & DataPower

GSSTech Group · India (Remote) · — · Posted 2026-11-09

Workplace: remote

Description

Job Summary

We are looking for an experienced Senior IBM Integration Developer with strong hands-on expertise in IBM API Connect and IBM DataPower to design, develop, implement and support enterprise-level integration solutions.

The ideal candidate should have extensive experience in API development, integration architecture, API security, data transformation and middleware technologies, preferably within the banking or financial services domain.

Key Responsibilities

Design, develop and implement enterprise integration solutions using IBM API Connect and IBM DataPower.
Develop, configure and manage RESTful and SOAP APIs.
Work on API lifecycle management, including API creation, publishing, deployment and migration.
Configure API security policies, including OAuth 2.0, JWT, Mutual TLS and WS-Security.
Develop custom policies and API logic using GatewayScript and XSLT.
Implement API rate limiting, authentication, authorisation and traffic management policies.
Configure IBM DataPower Multi-Protocol Gateway (MPG) and XML Firewall.
Perform XML/JSON data transformation, payload validation and message processing.
Work with IBM App Connect Enterprise (ACE) and IBM MQ for enterprise application integration.
Develop REST/JSON services and Node.js-based APIs.
Provide L2/L3 production support, troubleshooting and root cause analysis.
Monitor middleware services, analyse logs and ensure high availability of integration platforms.

Required Technical Skills

Strong hands-on experience with IBM API Connect (APIC).
Extensive experience with IBM DataPower Gateway.
Proficiency in GatewayScript and XSLT.
Strong understanding of REST, SOAP, XML and JSON.
Experience implementing OAuth 2.0, JWT, Mutual TLS and WS-Security.
Experience with IBM ACE and IBM MQ.
Knowledge of API management, gateway configuration and security policies.
Experience with Node.js and API development.
Familiarity with Oracle, MySQL, Git, GitHub, Postman and SoapUI.
Experience with API Connect migration, preferably V5 to V10.

Preferred Qualifications

Bachelor's degree in Computer Science, Information Technology or a related discipline.
Previous experience working on banking or financial services integration projects.
Experience supporting enterprise-scale middleware and API integration environments.

What We're Looking For

A hands-on integration specialist who can independently manage API development, middleware integration, security implementation and production support within complex enterprise banking environments.

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About the Company

GSSTech Group

Cloud payments, core banking, and DMS

GSSTech Group provides cloud-based payment processing and financial messaging systems for banks and financial institutions. Its products include core banking solutions to automate back-office operations and a unified Document Management System that integrates with complex enterprise applications, all delivered on a modular cloud platform for payments, messaging, core banking, and DMS. The company differentiates itself with 24+ years of global experience and multi-country deployments (including UAE and India), focusing on domain-specific, enterprise-grade financial software plus implementation and maintenance services. Its goal is to help banks modernize operations, improve efficiency, and increase profitability by delivering integrated software platforms and services.

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: Dubai, United Arab Emirates
Founded: 1997

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