Senior Java Developer, VP

At Citi, we believe in power of engineering to drive success and nurture culture where innovation, collaboration and professional growth thrive.

Oasys Financial is a sub-ledger for Citis OTC business and covers global trading books across all asset classes. This system handles millions of trades daily and conduct all sub-ledger activities, which is critical for the bank.

We are seeking a highly experienced Senior Java Developer to modernize our core financial accounting systems. You will play a critical role in migrating existing C++ modules and shell scripts to a modern Java-based architecture. This involves analyzing existing code, designing equivalent Java components, and ensuring a seamless transition while maintaining system functionality and performance.

This role is based at London office interfacing with global technology & business aligned teams.

Responsibilities:

Analyze existing C++ modules and shell scripts and design equivalent Java componentsDevelop and implement high-performance, scalable, and secure Java applications to replace legacy codeWrite clean, well-documented, and testable Java codeCollaborate with architects and other developers to define the migration strategy and ensure a smooth transitionWork with relational databases, primarily Sybase ASE and MS SQL, to adapt existing database schemas and queries to the new Java architectureThoroughly test and validate the migrated Java code to ensure functional equivalence with the legacy C++ systemTroubleshoot and resolve technical issues during the migration processParticipate in code reviews and contribute to improving development processes

Qualifications:

Hands-on experience in Java & related technologies in developing robust, scalable, and maintainable applications applying Object Oriented Design principles.Experience working with SQL databases, including writing complex queries and optimizing database performanceExperience in a Unix/Linux environmentExtensive experience system analysis and in programming of software applicationsExperience in managing and implementing successful projectsSubject Matter Expert (SME) in at least one area of Applications DevelopmentAbility to adjust priorities quickly as circumstances dictateDemonstrated leadership and project management skillsConsistently demonstrates clear and concise written and verbal communication

Preferred Skills:

Experience with Sybase ASE, Sybase IQ, or MSSQLProficiency in shell scriptingKnowledge of financial accounting domain, including posting, calculation, and accounting processesExperience with migrating legacy systems to modern architecturesExperience with C++

Education:

Bachelors degree/University degree or equivalent experienceMasters degree preferred

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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