SQL Developer

2 weeks ago

Sydney, New South Wales, Australia Avigma Tech LLC Full time $90,000 - $120,000 per year

Location:
Sydney, Australia (
only to candidates currently based in Australia
.
Job
)

No. of Positions:
1

Employment type:
Contract

Experience:
7+ years

Core Technical Skills:

  1. SQL & Database Expertise

  2. Strong proficiency in SQL (T-SQL, PL/SQL, or similar) for querying, optimization, and performance tuning.

  3. Experience with relational databases (Oracle, SQL Server, PostgreSQL, MySQL).

  4. Knowledge of data modelling (star schema, snowflake schema), normalization, and indexing.

2
. ETL & Informatica PowerCenter

  • Hands-on experience with Informatica PowerCenter for designing and implementing ETL workflows.

  • Expertise in mappings, workflows, sessions, and transformations (Source Qualifier, Joiner, Aggregator, Lookup, etc.).

  • Knowledge of Informatica Data Quality (IDQ) for data profiling and cleansing.

  • Data Profiling & Analysis

  • Ability to perform data profiling to assess data quality, identify anomalies, and define cleansing rules.

  • Experience with data lineage, metadata management, and data dictionaries.

  • Familiarity with statistical methods for analysing data distributions and patterns.

  • Data Acquisition & Integration

  • Experience extracting data from structured and semi-structured sources (APIs, flat files, XML, JSON).

  • Knowledge of change data capture (CDC), incremental loads, and batch processing.

  • Understanding of real-time vs. batch data integration approaches.

  • Scripting & Automation

  • Proficiency in scripting languages (Python, Shell, PowerShell) for automation and data processing.

  • Experience with scheduling tools (AutoSys, Control-M, Cron) for ETL job automation.

Additional Preferred Skills:

  • Cloud & Big Data Exposure

  • Experience with AWS, Azure, or GCP data services (e.g., AWS Glue, Azure Data Factory).

  • Knowledge of Hadoop, Spark, or Snowflake for large-scale data processing.

  • Data Governance & Compliance

  • Understanding of GDPR, CCPA, or other data privacy regulations.

  • Familiarity with data cataloguing tools (Collibra, Alation).

  • BI & Reporting Tools

  • Exposure to Tableau, Power BI, or SSRS for reporting and analytics.

Soft Skills & Qualifications:

  • Analytical mindset for troubleshooting data issues.

  • Strong communication skills to collaborate with business analysts, data engineers, and stakeholders.

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