Manu Siddaramu

About 8+ years of experience in Oracle Advanced SQL & PL/SQL for development, Implementation, Infrastructure activities, Production support and Linux migration in Flexcube core modules like CASA, Customer maintenance, Loans, Deposits, Foreign exchange and Security Modules with Oracle forms. Having 3 years of onsite Japan experience in Development, Implementation and Production support. Having 2.5 years of onsite Singapore experience in Development and Implementation Project.

Received V-Applaud Award for Development and Implementation projects. Interacting with client for requirement gatherings and designing. Involved in Development of interfaces, custom reports and testing support of the project.

Involved in different phases of the project. Worked as Module lead.

Sr. Principal Consultant at OFSS (2010-12 – Present)

• Working in Banking Core modules, data localization, Linux migration and Securities Module
• Worked as Application Developer, Production support and interface changes
• Worked as Module Lead for New Projects, Custom projects and Implementation Projects
• Building of interfaces, extensions, custom reports and testing
• Supporting users with providing adhoc reports with clarifying user queries and issues
• Experience in the Defect reporting, Defect Life Cycle and Tracking
• Update technical design and mapping documents based on the implementation methodologies used
• To fix the defects and providing clarification to the users
• Worked as production support lead and solved users queries with providing permanent solution

Offshore Lead at OFSS (2025-08 – Present)

New development for Duplicate transaction validation for Transactions received from Partners. Led WebLogic 14C upgrades across APAC countries. Implemented Single Sign-On enhancements. Delivered RAC cluster-aware modifications. Managed FLEXCUBE user access automation through CMP requests. Optimized database performance and improved response times.

• Creating New packages, procedure, functions, triggers for new changes for Duplicate transaction validation
• Performance validation
• During Performance checking in Explain plain identified a query was using multiple times and identified the performance issue, this is fixed by using binding variables
• Understanding overall functionality of the transactions and doing basic sanity
• Batch/offline verification
• Product Performance verification
• Ops/Users testing and signoff

Offshore Lead at OFSS (2022-10 – 2025-07)

Flexcube – India Data Localization, Indonesia Data Localization. As part of the Indian Government and RBI regulatory changes, customer confidential data, transaction information should not be outside the respective country, so it should be available in that particular country including Development environment. Indonesia government all came up with same regulatory changes.

• Making sure DB, Front end [D2K forms] are configured and working as expected
• Creating New packages, procedure, functions, triggers for new changes like CSI ID, Duplicate transaction validation
• Understanding overall functionality of the modules and doing basic sanity
• Batch/offline verification
• Product Performance verification
• Ops/Users testing and signoff

Offshore Lead at OFSS (2020-01 – 2022-09)

Flexcube – Linux migration, Cluster aware changes for APAC countries. AIX to Linux will simplify the infrastructure Consolidate proprietary hardware, Enhance business continuity and disaster recovery, Improve database server security Cost savings C/C++ compiler COBOL compiler AppWorx agent IBM proprietary hardware and software SAN switches, HBAs, and licenses Expensive skills – AIX and SAN administration

• Check all the required FS in DB server and connectivity test with autosys, D2K form server and interface servers
• Creating New packages, procedure, functions, triggers for Linux migration changes
• Understanding overall functionality of the modules and doing basic sanity
• Batch/offline verification
• Product Performance verification
• Ops/Users testing and signoff

Flexcube Supporting Lead at OFSS (2017-01 – 2019-12)

Flexcube – Development, Implementation, Production Support, CitiBank Japan. Japan Flexcube is core module, where accounting entries from the different partner system will be received and posted. Customer and account creation will be happening here and this will be sent to CitiBank. Customer account balances will be updated during the online and offline.

• Understand, clarifying and supporting ops / users queries
• Developing adhoc reports to the users based on their requirements
• Fixing the issue reported by the user by developing new procedures/functions and testing in UAT [User Acceptance testing] environment
• Identifying product limitation and confirming for enhancement
• Batch/offline support
• Product Performance verification
• Year-end verification and support

Development and Implementation offshore Team Lead at OFSS (2014-11 – 2016-12)

ASPAC Implementation/Development for CitiBank Japan. Cosmos was first implemented in Citibank in 1970s as the core processing system for corporate banking. Citibank Japan has implemented Flexcube in 2 Phases.

• Rollout Flexcube in Citibank Japan region
• Modifying Database-Application layer interface design
• Building PL/SQL stored procedures, Packages, Functions, Triggers
• Development and supporting final rounds of UAT testing, bug fixing, preparing source programs and finally rollout Flexcube for Japan. Also involved supporting the implementation for few weeks till stability is achieved to hand it over to production support
• Building use cases and unit testing

Development and Implementation Team Lead at OFSS (2013-04 – 2014-10)

FlexPP Implementation/Development, CitiBank for Romania. FlexPP is a workflow model of Flexcube, where it interfaces with systems like external system [eDealer] at user end and then process the deals and finally hands off the accounting entries to Flexcube core and other systems like Transactor/Credit Engine/CALM. This workflow model was introduced for Fixed Income, Foreign Exchange and Money Market modules.

• Rollout for FI workflow in Citibank EMEA regions
• Modifying Database-Application layer interface design
• Building PL/SQL stored procedures, Packages, Functions, Triggers
• Development and Supporting final rounds of UAT testing, bug fixing, preparing source programs and finally rollout of FlexPP for countries one by one. Also involved supporting the implementation for few weeks till stability is achieved to hand it over to production support
• Building use cases and unit testing

Implementation Team Member at OFSS (2011-01 – 2013-04)

FLEXCUBE - FlexPP Implementation/Development, CitiBank, Singapore. FlexPP is a workflow model of Flexcube, where it interfaces with systems like eDealer at user end and then process the deals and finally hands off the accounting entries to Flexcube core and other systems like Transactor/Credit Engine/CALM. This workflow model was introduced for Foreign Exchange, Money Market and Fixed Income modules.

• Rollout for FX/FI/MM workflow in Citibank ASPAC across 16 countries
• Modifying Database-Application layer interface design
• Building PL/SQL stored procedures, Packages, Functions, Triggers
• Supporting final rounds of UAT testing, bug fixing, preparing source programs and finally rollout of FlexPP for countries one by one. Also involved supporting the implementation for few weeks till stability is achieved to hand it over to production support
• Building use cases and unit testing

BE in Electronic & Communications – Vishveshwarya Technological University