Amin CHOUAYAKH
Senior Database Administrator | Oracle & PostgreSQL
2 recommandations
Salaire / Taux journalier
2 personnes recommandent
Paris, France
Freelance
Expertises
Langues
À propos
Introduction
Database Administrator with 15+ years of expertise in Oracle and PostgreSQL environments, specializing in DB monitoring, automation, and performance optimization. Proven track record delivering high-availability solutions for major financial institutions including BNP Paribas and HSBC. Expert in PL/SQL development, ETL processes, and infrastructure automation—ready to optimize your database operations and ensure mission-critical system stability.
Expérience de travail
Database Administrator | Oracle • PostgreSQL | DB Monitoring & Automation Specialist
NeoXam
déc. 2023 - Présent
2 ans 11 mois
Paris, France
As a Database Administrator, I manage and support Oracle and PostgreSQL environments, ensuring high availability, performance, and security. My responsibilities include: Setting up and maintaining monitoring tools Automating routine tasks using shell scripts, cron jobs, and Ansible Performing database backups, restores, and disaster recovery testing Troubleshooting performance issues and optimizing queries Writing and maintaining SQL and PL/SQL scripts for custom automation Collaborating with developers and system admins to ensure smooth database operations I also have basic knowledge of GP and Datahub
Consultant Oracle Database - Actimize SAM 8.5
BNP Paribas
févr. 2022 - déc. 2023
1 an 11 mois
As a PL/SQL Developer, I was responsible for developing, optimizing, and maintaining database logic for Oracle-based systems. Key responsibilities included: Writing complex PL/SQL procedures, functions, packages, and triggers Performing SQL and PL/SQL performance tuning to improve query response time Supporting developers by analyzing and optimizing their SQL code Participating in code reviews and suggesting improvements for better performance and scalability Working closely with DBAs and application teams to resolve database issues This experience gave me a strong foundation in Oracle internals, execution plans, and performance troubleshooting.
FIS
sept. 2017 - juil. 2022
4 ans 11 mois
Tunis, Tunisie
Technical Support Manager
avr. 2020 - juil. 2022
2 ans 4 mois
Tunis, Tunisie
Clients: HSBC, Investec, Pershing, TPICAP Functional Area: Fixed Income Securities Technical Stack: Oracle 19c, PL/SQL, Java, Oracle Forms & Reports, UNIX, Jira, ServiceNow, GIT, Confluence, Bitbucket, AWR, WorkDay, TeamSupport Responsibilities: Provided L2/L3 technical support for critical banking applications Investigated and resolved complex issues across production environments Maintained systems stability in high-pressure environments related to financial markets Participated in incident management, RCA, and client communication Developed scripts and automation tools to reduce manual workload Collaborated with cross-functional teams across dev, QA, and infra Ensured SLAs were met and contributed to continuous improvement
Technical Leader Support
août 2018 - mai 2020
1 an 10 mois
Ariana, Tunisie
Client: HSBC Bank Responsibilities: Mentored and coached junior team members Identified and mitigated risks in support operations Suggested and implemented new product ideas and process improvements Worked closely with developers to deliver fast and accurate workarounds Improved task prioritization and time-to-resolution through automation Contributed to knowledge sharing and team development Functional Knowledge: Trading Systems, Back Office Operations, Bonds Accrual Methods SWIFT and CREST Messaging Fixed Income Products, Equities, and Financial Markets
Senior Technical Support Specialist
sept. 2017 - juil. 2018
11 mois
Tunisie
Responsibilities: Ensured system performance and stability Analyzed and debugged code in PL/SQL and Unix Wrote scripts and automated repetitive tasks Supported trading and financial processing flows Used Oracle Forms, SQL, PL/SQL, GIT, Jira, and ServiceNow in daily operations
GARSYS
mai 2011 - mars 2017
5 ans 11 mois
Tunis, Tunisie
ORACLE FORMS,Sql,PLSql,Talend developer
mai 2011 - mars 2017
5 ans 11 mois
Tunis, Tunisie
Role: Oracle Forms & Reports Developer Technologies: Oracle Forms, Oracle Reports, SQL, PL/SQL, UNIX, Cegid, ORLIWEB Responsibilities: Developed and maintained business applications using Oracle Forms and Reports Wrote and optimized SQL and PL/SQL code for data processing and reporting Integrated with CEGID and ORLIWEB systems for retail and ERP operations Developed data exports (CSV) for external systems Performed debugging and maintenance in UNIX environments Worked closely with business users to gather requirements and deliver solutions Role: Talend Developer Technologies: Talend Open Studio, Java, Git, XML, Web Services, Relational Databases Responsibilities: Developed ETL processes using Talend for data integration and transformation Worked with XML, JSON, and flat file formats for data exchange Ensured data consistency and quality across multiple systems Collaborated with the dev team using Git for version control Participated in design and development of Java-based data handling modules
ORACLE FORMS,Sql,PLSql,Talend developer
mai 2011 - mars 2017
5 ans 11 mois
Tunis, Tunisie
Role: Oracle Forms & Reports Developer Technologies: Oracle Forms, Oracle Reports, SQL, PL/SQL, UNIX, Cegid, ORLIWEB Responsibilities: Developed and maintained business applications using Oracle Forms and Reports Wrote and optimized SQL and PL/SQL code for data processing and reporting Integrated with CEGID and ORLIWEB systems for retail and ERP operations Developed data exports (CSV) for external systems Performed debugging and maintenance in UNIX environments Worked closely with business users to gather requirements and deliver solutions Role: Talend Developer Technologies: Talend Open Studio, Java, Git, XML, Web Services, Relational Databases Responsibilities: Developed ETL processes using Talend for data integration and transformation Worked with XML, JSON, and flat file formats for data exchange Ensured data consistency and quality across multiple systems Collaborated with the dev team using Git for version control Participated in design and development of Java-based data handling modules
ORACLE FORMS,Sql,PLSql developer
KMF business solution
nov. 2009 - mai 2011
1 an 7 mois
Sfax, Tunisie
Role: Oracle Forms & PL/SQL Developer Technologies: Oracle Forms, Oracle Reports, SQL, PL/SQL Responsibilities: Developed and maintained business applications using Oracle Forms and Reports Created and optimized PL/SQL procedures and triggers for various modules Participated in requirement analysis and implementation of functional specifications Assisted in testing, debugging, and deployment of Oracle-based solutions Worked closely with users to provide support and implement system enhancements
Formation
Faculté des sciences economiques et de Gestion de Sfax
https://www.linkedin.com/company/fsegs/, Informatique appliquée à la gestion
2005 - 2009
4 ans 1 mois
Licences et certifications
Oracle Database 19c: Basic SQL
Délivré le : mai 2021
Effective Listening
Délivré le : avr. 2021
Collaborative Leadership
Délivré le : avr. 2021
Oracle Database 19c: PL/SQL
Délivré le : avr. 2021
Having Difficult Conversations
Délivré le : avr. 2021
Communicating with Diplomacy and Tact
Délivré le : avr. 2021
Communicating Values
Délivré le : déc. 2020
ITIL® V4
Délivré le : déc. 2019
Oracle Certified Expert SQL (ORACLE 10G)
Délivré le : juin 2011