Senior Python Developer - Data Cleaning & Processing

Company: 3Wheels AI

Location: Remote / Hybrid

Experience: 4+ Years

Employment Type: Full-time / Contract

About the Role

Responsibilities

- Design and develop robust data cleaning and preprocessing pipelines.
- Handle large-scale datasets from multiple sources (CSV, JSON, XML, databases, APIs, documents, images, etc.).
- Identify and resolve data quality issues, inconsistencies, duplicates, and missing values.
- Develop automated ETL workflows and data validation systems.
- Build scalable data transformation and enrichment processes.
- Optimize Python scripts for performance and efficiency.
- Collaborate with AI/ML teams to prepare high-quality training datasets.
- Create documentation and maintain data processing standards.
- Implement quality control and monitoring frameworks.

Required Skills :

- Strong proficiency in Python (4+ years).

- Expert knowledge of:

- Pandas

- NumPy

- Polars

- PySpark (preferred)

- SQL

- Experience with ETL pipelines and workflow orchestration.

- Experience processing large datasets (millions of records).

- Knowledge of data validation and quality assurance techniques.

- Familiarity with cloud platforms (AWS, GCP,



or Azure).

- Experience with Git and collaborative development workflows.

- Robust debugging and performance optimization skills.

Preferred Qualifications

- Experience working with AI/ML datasets.
- Experience handling multimodal datasets (text, image, audio, video).
- Knowledge of data annotation and labeling workflows.
- Experience with Apache Airflow, Spark, or distributed processing systems.
- Understanding of data privacy and compliance requirements.

Nice to Have

- Experience with LLM training datasets.
- Experience building data pipelines for AI companies.
- Familiarity with vector databases and data indexing.
- What We're Looking For
- Strong ownership mindset.
- Ability to work independently.
- Excellent problem-solving skills.
- Attention to detail and data quality.

How to Apply

Please share:

- Resume/CV
- GitHub profile
- LinkedIn profile
- Examples of data processing projects you've worked on
- Current and expected compensation

Pay: ₹25,000.00 - ₹40,000.00 per month

Benefits :

- Flexible schedule

Work Location: In person

📌 Senior Python Developer - Data Cleaning & Processing (Lucknow)
🏢 3W AI Private
📍 Lucknow