Senior Java Backend Engineer - Global Banking Transformation

OBSS; Fatih; On-site; TRY 420,000 - 660,000; Full time

Job summary

OBSS, Turkey’s largest technology consultancy, seeks a Senior Java Backend Developer with Oracle PL/SQL and Oracle Forms expertise to join our international projects team in banking transformation initiatives.

You will design, build, and maintain secure backend software, leveraging Java, Spring, IBM BAW, and REST/SOAP APIs, collaborating with global teams on end-to-end digital banking solutions.

Qualifications

• Bachelor’s degree in Computer Engineering, Computer Science, Software Engineering or related field.
• Minimum 5 years of backend software development experience, preferably in banking transformation projects.
• Mandatory hands-on experience with Java, Oracle PL/SQL, and Oracle Forms.
• Solid backend development background with Spring Framework, JPA/Hibernate, and relational databases.
• Experience with BPM tools, specifically IBM BAW (Business Automation Workflow).

Responsibilities

• Design, develop, and maintain secure, scalable banking-related backend software solutions for international projects.
• Implement backend Java applications with core database logic using Oracle PL/SQL and Oracle Forms.
• Design workflow applications using BPM tools like IBM BAW for process-driven development.
• Integrate back-end services, databases, and client systems via REST and SOAP APIs.
• Apply design patterns and microservices principles to ensure security and performance.
• Maintain thorough technical documentation of backend solutions.
• Collaborate with cross-functional teams on end-to-end banking applications.

Skills

Java

Oracle PL/SQL

Oracle Forms

Spring Framework

IBM BAW

REST & SOAP APIs

Microservices

Software architecture

English

Education

Bachelor’s degree in Computer Engineering/CS/SE

Tools

Git

Jira

TFS

ClearCase

Docker

AWS

Job description

OBSS, Turkey’s largest technology consultancy, seeks a Senior Java Backend Developer with Oracle PL/SQL and Oracle Forms expertise to join our international projects team in banking transformation initiatives.

You will design, build, and maintain secure backend software, leveraging Java, Spring, IBM BAW, and REST/SOAP APIs, collaborating with global teams on end-to-end digital banking solutions.