Python Developer

APAR TECHNOLOGIES PTE. LTD.

Shenton Way, Singapore

3-5 Years

SGD 7,000 - 8,000 per month

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Posted 5 days ago
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Job Description

3 years and above.

Core Technical Skills
Hands-on Python, SQL, ETL development, and any relational database (PostgreSQL, Oracle, MS SQL Server, etc).

Required Skills Experience
Strong Python development (Pandas, NumPy, SQLAlchemy, pyodbc, custom ETL frameworks).
Expert SQL: joins, window functions, CTEs, partitioning, indexing.
Experience with ETL tools (Airflow, Informatica, Glue, Talend, SSIS, etc.).
Hands-on data migration experience with large datasets (100M rows).
Solid understanding of RDBMS concepts, modelling, constraints, and referential integrity.
Strong analytical, problem-solving, communication, and documentation skills.
Ability to work under tight timelines during migration and cutover periods.

Education
Bachelors or Masters in Computer Science, Information Systems, Data Engineering, or related fields.
Cloud/ETL/Python/DB certifications are a plus.