Senior Oracle Database Developer

AVENGA (Agencja Pracy, nr KRAZ: 8448)

Województwo mazowieckie

On-site

PLN 90,000 - 150,000

Full time

3 days ago

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Job summary

AVENGA (Agencja Pracy, nr KRAZ: 8448) is seeking an experienced Oracle Database Developer to support critical banking systems and data integrations. You will work on large-scale databases, performance optimization, and high-availability environments.

The role requires strong Oracle DB/PLSQL skills, Linux proficiency, and experience with CI/CD pipelines. You will collaborate with analysts, testers, and DBAs to deliver reliable solutions and ensure data integrity across core banking processes.

Qualifications

Very strong Oracle Database and PL/SQL expertise.
Hands-on experience with performance tuning and troubleshooting.
Comfortable working in Linux environments.
Understanding of banking architectures and mission-critical systems.
Able to analyze business requirements and translate them into technical solutions.
Experience with CI/CD and modern development practices.

Responsibilities

Design, develop, and maintain Oracle database solutions.
Create and optimize SQL and PL/SQL code.
Develop procedures, functions, packages, and triggers.
Analyze and optimize database and application performance.
Support integrations between banking systems.
Investigate and resolve production issues.
Participate in deployments and releases.
Cooperate with analysts, testers, and DBAs.
Prepare technical documentation and effort estimations.
System integrations.

Skills

Oracle Database

PL/SQL

Performance tuning

Linux

CI/CD

REST API

SOAP

XML/JSON

Data modeling

Batch processing

Tools

SQL Developer

TOAD

Git

Azure DevOps

Jenkins

Jira

Confluence

Job description

O projekcie:

We are looking for an experienced Oracle Database Developer to join a team responsible for critical banking systems and integrations. This role is ideal for a professional who enjoys working with large-scale databases, performance optimization, complex integrations, and high-availability transactional environments.

Wymagania:

Very strong Oracle Database and PL/SQL expertise
Hands-on experience with performance tuning and troubleshooting
Comfortable working in Linux environments
Understanding of banking architectures and mission-critical systems
Able to analyze business requirements and translate them into technical solutions
Experience with CI/CD and modern development practices
Oracle Database
Oracle Database 12c / 19c / 21c
Advanced SQL
Analytical queries
CTE
MERGE
PL/SQL
Procedures
Functions
Packages
Triggers
Exception handling
Data modeling
Performance tuning and indexing
Table partitioning
Oracle Scheduler
Oracle Data Pump
Schema and database object management
Performance & Troubleshooting
Query execution plan analysis (EXPLAIN PLAN)
AWR Reports
ASH Reports
Session monitoring
Lock and deadlock analysis
SQL performance tuning
PL/SQL optimization
Integration & Data Exchange
REST API
SOAP
XML / XSD
JSON
Oracle AQ
Message queues
ETL processes
System-to-system integrations
Linux / Unix
Linux command line
Bash scripting
Log analysis
Cron jobs
Process diagnostics
SCP / SFTP file transfers
Development Tools
Git
Azure DevOps or Jenkins
CI/CD pipelines
Jira
Confluence
SQL Developer
TOAD
Security
Oracle privileges, roles, and grants
Data encryption
Access auditing
GDPR compliance
Sensitive data management
Banking Knowledge
Transaction processing systems
High Availability (HA)
Disaster Recovery
Batch processing
Payment systems (ELIXIR, Express ELIXIR, SEPA, SWIFT)
Core banking system integrations