I have over three years of professional experience working with Java, building and maintaining backend systems in production environments.

Arhama Arhama

I have over three years of professional experience working with Java, building and maintaining backend systems in production environments.

Available to hire

I have over three years of professional experience working with Java, building and maintaining backend systems in production environments.

Experience Level

Expert
Expert
Expert
Expert

Language

English
Advanced
German
Beginner

Work Experience

Java Developer at Systems Limited
May 1, 2023 - May 1, 2024
Developed endpoints for postpaid and prepaid journeys in Vodafone Qatar’s web application to support Google Pay 3D Secure payments using Java 8, J2EE, Oracle WCS, and PostgreSQL, increasing payment success rate by 15%. Integrated upfront payment functionality within the postpaid journey, increasing transaction completion rate by 20% and reducing user drop-off by 30%. Collaborated with QA, Security, and DevOps, conducting unit and integration testing that reduced integration issues by 25%. Enhanced transaction-related data layer functionality with the Digital Marketing team, improving data accuracy by 70% and customer engagement by 15%. Mentored 3+ new team members on project journeys and code flow, reducing onboarding time by 20%.
Software Design Engineer at TeResol Pvt Ltd
May 1, 2021 - April 1, 2023
Designed and optimized cash withdrawal and fund transfer processes using DMN and BPMN for AHBS (Bank Al Habib Banking System), improving process efficiency by 30%. Refactored OBDX core services into microservices using Quarkus, improving system performance and scalability by 70%. Developed and maintained 100+ automated regression test cases using Selenium WebDriver, reducing bug recurrence by 25%. Created analytical reports using Business Intelligence and Reporting Tools (BIRT), improving data-driven decision-making by 20%.

Education

Master’s in Computer Science at Philipps University of Marburg
January 1, 2024 - March 1, 2026
Bachelor’s in Computer Engineering at Bahria University, Karachi, Pakistan
January 1, 2016 - January 1, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Telecommunications, Financial Services, Professional Services, Education