Jonathan Da Silva
Feltham
Summary
Innovative Developer with knack for creating robust and scalable software solutions. Delivered multiple high-impact projects, enhancing system performance and user experience. Known for collaborative approach, mentoring, supporting testers and problem-solving skills, driving team success and client satisfaction.
Overview
16
16
years of professional experience
Work history
PostGres Developer
Utmost Insurance
2024.05 - 2024.10
- Filled what was meant to be 2 positions and still delivered project in timescales. Creating and correcting 50+ programs.
Oracle Developer
Brunel University
2023.01 - 2023.07
- Converted 50 scripts and reports, to new environment with 0 defects ahead of schedule
- Improved performance of SQL scripts by up to 50%
UNIX Developer
TCS [Coventry Building Society]
2022.04 - 2022.12
- Converted, tuned and enhanced 20 Admin Unix, SQL and PL/SQL scripts for password manager roll out
- Created flexible front end - dependent on user and environment
- Quickly learned and applied new skills to daily tasks, improving efficiency and productivity.
PL/SQL Developer
Infosys [Nat West]
2022.01 - 2022.03
- Recruited for a PL/SQL role in a migration but work was Infomatica!
‘C’ Developer
Eurobase
2021.10 - 2021.12
- Created specification for new front end to their re-insurance system
- Edited complex Visual Basic code with no training
Oracle Developer
Wipro [National Grid]
2020.02 - 2021.09
- Altered message delivery program to handle unlimited clients and messages future proofing it
- Improved Performance of availability report by 30%
‘C’, PL/SQL PRO*C Developer
HPE [DXC - Lloyds Loan System]
2016.09 - 2019.04
- Wrote 50+ ETL scripts for 2 migrations one in one out with 0 defects verified by testing
- Cut insurance script running time from 7 hours to 35 seconds preventing snapshot errors and fines for late reporting
- Reduced running time of 7000-line report by 84% creating less database strain
Oracle Developer
BNP Paribas
2014.04 - 2015.07
- Wrote script to ensure all parts of multi part trade were paid in full preventing loophole in payments system
- Delivered multiple compliance scripts detailing trades for SEC, Canadian & Russian authorities
- Extended handling of SWIFT messages to cover 3-way trades, MT304 type
PL/SQL API Developer and Support Analyst
CISCO
2011.05 - 2013.12
- Delivered a complete ETL series of 700 scripts to move Sky TV from unsupported Oracle 8g to Oracle 11iR1
- Demonstrated an Oracle bug by creating a vanilla test case that replicated the system problem and pursued Oracle for a fix
- Fixed problems over the phone and with chats with people in Israel, Malaysia, Mexico and USA
- Wrote completely new system to run user SQL at a time
PL/SQL Developer
Pepsico
2010.11 - 2011.03
- Produced pipelined data for new reporting dashboard with 22 complex SQL reports
- ETL of Nielsen data files for suite of products such as Nobby's nuts, Tropicanna, Scots Porridge & Quaker Oats etc
Database Developer
Analytical People
2008.08 - 2010.05
- Built Star Schema for individual post code analysis
- Extended data loading tool
Education
MSc - CADCAM
Cranfield Institute of Technology
BA (Hons) 2(ii) - Economics
Birmingham Polytechnic
Skills
- Oracle PL/SQL
- SQL
- PRO*C
- Shell Scripting
- UNIX/LINUX
- Kanban Jira
- Agile Waterfall SCRUM DevOps
- Version Control CMS PVCS
Timeline
PostGres Developer
Utmost Insurance
2024.05 - 2024.10
Oracle Developer
Brunel University
2023.01 - 2023.07
UNIX Developer
TCS [Coventry Building Society]
2022.04 - 2022.12
PL/SQL Developer
Infosys [Nat West]
2022.01 - 2022.03
‘C’ Developer
Eurobase
2021.10 - 2021.12
Oracle Developer
Wipro [National Grid]
2020.02 - 2021.09
‘C’, PL/SQL PRO*C Developer
HPE [DXC - Lloyds Loan System]
2016.09 - 2019.04
Oracle Developer
BNP Paribas
2014.04 - 2015.07
PL/SQL API Developer and Support Analyst
CISCO
2011.05 - 2013.12
PL/SQL Developer
Pepsico
2010.11 - 2011.03
Database Developer
Analytical People
2008.08 - 2010.05
MSc - CADCAM
Cranfield Institute of Technology
BA (Hons) 2(ii) - Economics
Birmingham Polytechnic