Backend Developer - Data Power (3 Months)

Appfuxion • JavaScript • Java • SQL • Node JS • COBOL • 12 days ago
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Salary
≈ $97k – $200k per year (Estimated)
Location
In office (Jakarta)
Seniority
Senior · 5+ years exp
Employment
Contractor

First seen by Alion on Sep 16, 2026.

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Appfuxion

Services Products Industries Training Company About Us Appfuxion Consulting Enterprise services & solutions that create a flexible & robust digital business platform to match your growth ambitions. Our Team.
appfuxion.id • HQ: Bangsar, Malaysia • Workflow & Process Automation (RPA, BPM) • Est. 2013
Tech stack of Appfuxion

Responsibilities

  • Develop REST and SOAP APIs.
  • Configure and develop IBM DataPower Gateway services.
  • Handle XML/JSON transformation using XSLT, GatewayScript, and XQuery.
  • Implement API security such as OAuth 2.0, JWT, SSL/mTLS, and rate limiting.
  • Integrate APIs with back-end systems using HTTP, MQ, JDBC, and other protocols.
  • Troubleshoot API/DataPower issues and analyze logs.
  • Support SIT, UAT, security testing, and production issues.
  • Prepare technical documentation.
  • Support deployment from DEV to PROD.
  • Ensure development follows company security and architecture standards.
     

Requirements

  • Bachelor’s degree in Computer Science, Information Systems, or related field.
  • 5+ years of experience in API development. 
  • 1+ year of hands-on experience with IBM DataPower.
  • Good knowledge of REST, SOAP, XML, JSON, XSLT, WSDL, and XSD.
  • Understanding of API security such as OAuth 2.0, JWT, OIDC, and mTLS.
  • Experience with Java/Spring Boot, Node.js, or similar technologies.
  • Good knowledge of SQL and databases.
  • Familiar with Linux, Git, and CI/CD.
  • Banking/financial industry experience is a plus. 
  • Experience with IBM API Connect, IBM MQ, ACE, Docker, Kubernetes, or OpenShift is a plus.
  • Good communication, problem-solving, and teamwork skills.
  • Able to work under deadlines and support production issues when needed.


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