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Manoj

Senior oracle plsql developer
nog geen reviews Rotterdam-Centrum

Over deze freelancer

With over 18 years of experience in Oracle PL/SQL development, data modeling, and performance tuning, I specialize in building scalable, high-performance database solutions and cloud data warehouses with Snowflake. As an Oracle Certified Professional, Oracle APEX Developer, and AWS Certified Cloud Practitioner, I bring both technical depth and cloud expertise to architect modern data platforms. I have led cross-functional teams in executing complex projects and aligning business strategy with innovative solutions across industries. I am looking for challenging roles as a Cloud Data Architect, Senior Data Engineer, Solutions Architect, Oracle Database Consultant, or Technical Lead, where I can leverage my Oracle expertise and cloud platform skills to architect and deliver impactful, scalable data solutions.


Opleiding

B
2002 — 2006
Bachelors in Engineering
Computer science


Werk & Ervaring

P
2018-11-19 — heden
Powerbuilder to Oracle Migration - Trading and Traffiking system
Viterra

Viterra is a global leader in sourcing, handling, processing and trading of agricultural commodities and products, operating in over 35 countries. Roles and Responsibilities :- Collaborated closely with business stakeholders and technical teams to gather, clarify, and refine project requirements. Reverse-engineered business logic from PowerBuilder screens to facilitate migration to Oracle database objects. Designed and developed Oracle database components using Oracle PLSQL, including packages, triggers, procedures, and functions, replicating and enhancing the functionality previously handled by PowerBuilder. Performed thorough code reviews for peers and ensured high-quality coding standards. Onsite Offshore co-ordination. Built pipelines using Snowflake for data transformation, continuous loading and sharing. Developed and maintained data models for OLAP and OLTP system using Erwin, ensuring alignment with evolving business requirements. Conducted performance tuning and optimization of Oracle database objects to improve system efficiency. Release management of Oracle code to production. Provided critical support during System Integration Testing (SIT) and User Acceptance Testing (UAT) phases, ensuring the accuracy and stability of delivered components. Managed version control and code repository operations for Oracle components using GIT. Actively participated in Agile scrum meetings, providing regular updates on project status, milestones, and risk management to both internal teams and client stakeholders. Analyzed existing PowerBuilder application code to understand and document underlying business logic and workflows.

P
2017-01-02 — 2018-11-16
Provider directory
Cigna

Provider directory is a repository of Health Care Providers and their service cost for Cigna. The provider and cost information flow from two source systems, namely Arvato and Truven in file format. The files are loaded into Oracle staging tables through Data stage. The provider and cost information are processed in Oracle system through batch process applying the business rules and the data is transformed into JSON and IDOL format. This process is a weekly process. The JSON and IDOL data are loaded into MongoDB and IDOL servers respectively. The Cigna application hits the IDOL servers and Mongo DB to access the provider and cost information. Roles and Responsibilities:- Key Contributions: Closely work with business analysts to understand the user stories. Creation of technical documents for the stories. Create/Modify stored procedures and packages as per the requirement. Involved in Unit testing the changes. Involved in performance tuning of the packages. Supported the project during Delivery testing and SIT phase. Developed and maintained data models for OLAP and OLTP system using Erwin. Will ensure quality, promptness, take the complete responsibility of each deliverable and ensure to complete the project within the planned Timeline Report project status and progress to Customer on a regular basis during our Agile Scrum calls. Cultivate domain knowledge to the team.

P
2011-08-01 — 2016-12-30
Provider Directory Modernization
Health Net, Inc

Provider Directory Modernization program aims to build the directories for Commercial, Medicare and Duals providers automatically. The directories are otherwise called BOOKS, which are nothing but PDF files containing the provider’s information. The provider directories are given on-demand to the business. Roles and responsibilities: Closely work with my onsite counterpart to understand their requirements. Discuss the new requirement with the Clients and document the same. Creation of High level and Low-level solution documents. Creation of stored procedures and Packages as per the requirement. Involved in Unit testing the same. Involved in performance tuning of the packages. Supported the project during SIT and UAT phase. Will ensure quality, promptness, take the complete responsibility of each deliverable and ensure to complete the project within the planned Timeline Developed and maintained data models for OLAP and OLTP system using Erwin Report on project status and progress to Customer in a regular basis Cultivate domain knowledge to the team. Involve in discussion with the clients and prepare the proof of concept.

E
2010-09-01 — 2011-07-29
ESCS to ISCS Migration
Anthem

Anthem Inc. is an American Health insurance company having its operation across 14 1External Agent commissions are computed and loaded into oracle tables. The Policy Premium information flows from various source like FACETS, COMPASS, CHIP and CS90 in file formats. The files are processed and loaded into oracle tables. The Agent commissions are computed biweekly and stored in oracle tables for payment. Roles and responsibilities:- • Gathering and understanding the business requirements • Understand the compensation logic of ESCS system. • Study the data model of ISCS system to which the Agent commission has to be migrated. • Developed packages, procedures and tables to extract, transform and store the data as per the target system format. • Involved in performance tuning the Objects and complex queries. • Managed a team of 5 members and made them understand the business requirement and functionality and helped them in technical aspects. • Supported SIT and UAT and fixed issues. • Took complete responsibility of each deliverables and ensure to complete the project within the planned Timeline • Report project status and progress of the project to the clients on regular basis during our scrum calls.

A
2006-09-04 — 2010-08-02
Activation Information System
Tata Tele Services Ltd

Prepaid service launched by Tata Tele Services using CDMA Technology with RUIM is a prestigious launch by the Tata’s. AIS (Activation Information System) serve as the base system for prepaid provisioning. OTAF (Over the Air Functioning), which is a Motorola product, interacts with AIS for programming the handset with the Mobile Identification Number. As and when the request comes to AIS, TIBCO will pull the details for activations and frames the request format and sends them to SAS, which in turn sends them to Switch. The status of activation is back updated into AIS via TIBCO. The required details are replicated in CRM and POS through TIBCO interface.AIS also used to do the bulk activations as and when required. The Bulk activations (pre-activation in Delinquent mode) are done only for RUIM. The Subscriber is activated only when the dealer sends the sms to activate, the dealer will do this only if he gets the required documents from the customer. For the sms activation the integration between the sms apps and AIS is done through Tibco. AIS store the information about MDNs and their attributes, Starter Packs and their attributes, Activations and their status, MINs and their attributes. Prepaid TTSL has launched HSIA and EVDO for high speed internet access. Roles and Responsibilities ::- Analysis of complex issues, identifying the root cause of the issue and fixing the issue via code change or data fix. Streamlined and automated various batch processes to improve efficiency and reliability. Developed robust packages, procedures, functions, triggers, partitions, schemas, constraints, tables, indexes, roles, privileges, sequences, and synonyms. Addressed ad-hoc requests from clients, ensuring prompt and effective solutions. Played a key role in the design, coding, and testing of various functional aspects of GSM implementation. I acquired comprehensive end-to-end knowledge of the telecom business domain. Developed and maintained a knowledge base for numerous business functionalities. Shared expertise by training peers and mentoring new team members. Resolved issues raised through ticketing systems, ensuring minimal disruption to operations. Created Java servlet pages to automate the starter pack generation process, enhancing operational efficiency. Conducted thorough data reconciliation and audits to ensure data integrity and accuracy.


Certificeringen

O
2025
Oracle Apex Developer certified professional(OCP)

O
2024
Oracle cloud Infrastructure Associate (OCI)

A
2023
AWS certified cloud practitioner

O
2022
Oracle PLSQL Developer certified professional(OCP)

O
2020
Oracle PLSQL developer certified Associate(OCA)


Portfolio

€ 70 / uur
  • Locatie Rotterdam-Centrum
  • Categorie Development & IT
    Coaching & Training
  • Geverifieerd ongeverifieerd
  • Lid Sinds 21-06-2025