Python Developer

UST

7 years

0 Lacs

kolkata west bengal india

Posted:3 weeks ago| Platform:

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Skills Required

python developer programming data writing code numpy vectorization aggregation indexing slicing analysis tuning optimization scipy dask

Work Mode

On-site

Job Type

Full Time

Job Description

Job Role: Senior Python Developer

Location: Kolkata

Senior Python Developer

Key Responsibilities

Develop high-quality, efficient, and scalable Python applications following industry best practices.
Work with Python core data types including lists, tuples, sets, dictionaries, and strings.
Structure code effectively using functions, classes, decorators, modules, and packages.
Work extensively with
NumPy ndarrays
, including broadcasting, vectorization, and ufuncs.
Develop and optimize code leveraging NumPy arrays for high-performance computations.
Use
Pandas
for data loading, cleaning, manipulation, reindexing, merging, joining, and reshaping.
Optimize data pipelines and perform grouping, aggregation, and time-series operations using groupby() and related functions.

Must-Have Skills

Minimum
7 years of hands-on Python development
experience.
Strong command of
Python fundamentals
, OOP concepts, modules, packages, and import mechanisms.
Deep expertise in
NumPy
, including:
ndarray structure and memory model
dtypes, shapes, sizes
Deep vs. shallow copying
Broadcasting and vectorization
Advanced proficiency in
Pandas
, including:
DataFrame operations
Indexing, slicing, filtering
Merging, joining, and reshaping
High-performance data manipulation and cleaning

Good-to-Have Skills

Experience optimizing data pipelines at scale.
Familiarity with time-series analysis using Pandas.
Understanding of Python performance tuning, memory optimization, and profiling.
Knowledge of scientific or analytical computing environments.
Exposure to other data-related libraries in the Python ecosystem (e.g., SciPy, Dask, PyArrow).

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