Java/T24 Banking Engineer — Core Apps & Integrations

PT Lawencon Internasional; Jakarta Selatan; On-site; IDR 250,000,000 - 420,000,000; Full time

Job summary

PT Lawencon Internasional is seeking an experienced software developer to design, build, and maintain core banking applications using Temenos T24/TAFJ and Java. You will customize features, integrate external systems via APIs, and ensure robust, scalable solutions.

Ideal candidates have 3+ years in banking software development, strong Temenos knowledge, and proven collaboration in Agile environments. Join a team focused on reliable, compliant financial software and continuous improvement.

Qualifications

• Bachelor’s degree in a relevant field.
• Minimum 3 years of experience in software development, preferably in banking/financial services.
• Strong experience with Temenos T24 / Transact and TAFJ (Temenos Application Framework for Java).
• Good programming skills in Java and experience developing Java-based enterprise applications.
• Understanding of Temenos T24 architecture, customization, and development processes.
• Experience developing and maintaining system integrations, APIs, and web services.
• Good understanding of relational databases, SQL, and data management.
• Familiarity with Git or other version control systems.
• Strong analytical thinking, problem-solving, and debugging skills.
• Good communication and collaboration skills.

Responsibilities

• Develop, maintain, and enhance core banking applications using Temenos T24/TAFJ.
• Customize and implement functionalities based on business requirements and technical specs.
• Develop banking system functionalities using Java and Temenos tools.
• Analyze requirements and translate them into technical solutions.
• Develop and maintain integrations between Temenos T24 and external systems via APIs and web services.
• Work with databases for data access, queries, and functionality.
• Troubleshoot, debug, and resolve application issues for stability and performance.
• Participate in code reviews and problem-solving sessions.
• Perform unit testing and support SIT and UAT.
• Ensure code quality, documentation, and adherence to standards.
• Support deployment, production maintenance, and incident resolution.
• Collaborate with business analysts, QA, and infrastructure teams in Agile/Scrum.

Skills

Java programming

Temenos T24 / Transact & TAFJ

APIs & web services integration

SQL & relational databases

Git version control

Agile / Scrum

Analytical thinking & debugging

Communication & collaboration

Education

Bachelor's degree in Informatics Engineering, Computer Science, Information Technology, or a related field

Tools

Temenos T24 / Transact

Temenos TAFJ

Java enterprise apps (Java 8+)

APIs / Web services

Git

Job description

PT Lawencon Internasional is seeking an experienced software developer to design, build, and maintain core banking applications using Temenos T24/TAFJ and Java. You will customize features, integrate external systems via APIs, and ensure robust, scalable solutions.

Ideal candidates have 3+ years in banking software development, strong Temenos knowledge, and proven collaboration in Agile environments. Join a team focused on reliable, compliant financial software and continuous improvement.