Junior Data Engineer / Data Science Trainee

Harmony Data Integration Technologies; Mohali; On-site; INR 350,000 - 520,000; Full time

Job summary

Harmony Data Integration Technologies in Mohali, Punjab, is seeking junior data engineers and data science enthusiasts. You will join a data team to work on real data projects for international clients, building and testing production data pipelines.

You will learn how to develop, test and run pipelines, while enhancing your Python, SQL and cloud skills under experienced engineers in a collaborative environment.

Qualifications

• Bachelor's degree in CS/IT/Data Science or related field.
• Good knowledge of Python: data types, functions, OOP, error handling, and Pandas/NumPy libraries.
• Basic SQL skills: joins, aggregations and filtering.
• Strong problem-solving and logical reasoning; ability to break problems into steps.
• Good verbal and written English communication skills.
• Strong learning attitude: curious, open to feedback, quick to pick up new tools.

Responsibilities

• Write clean Python code to build and maintain data pipelines that collect data from APIs, files (CSV, JSON, XML) and databases.
• Clean, transform and validate raw data for analysis.
• Write SQL queries to explore, aggregate and load data in databases like PostgreSQL, MySQL and BigQuery.
• Automate data collection and processing tasks, including incremental (watermark-based) loads.
• Investigate data issues, debug failing jobs and propose fixes.
• Document work clearly and communicate progress to senior team members.
• Learn and work with Google Cloud Platform (GCP) services used in projects.

Skills

Python

Pandas

NumPy

SQL

Education

Bachelor's degree in Computer Science / IT / Data Science

Tools

PostgreSQL

MySQL

BigQuery

Job description

Job Summary

We are looking for junior data engineers and data science enthusiasts who are strong in Python and eager to grow. You will join our data team in Mohali and work alongside senior engineers on real data projects for international client organisations, learning how production data pipelines are built, tested and run.

Responsibilities

• Write clean, well-structured Python code to build and maintain data pipelines that collect data from APIs, files (CSV, JSON, XML) and databases.
• Clean, transform and validate raw data so that it is accurate, consistent and ready for analysis.
• Write SQL queries to explore, aggregate and load data in databases such as PostgreSQL, MySQL and BigQuery.
• Help automate data collection and processing tasks, including incremental (watermark-based) data loads.
• Investigate data issues, debug failing jobs and propose practical fixes.
• Document your work clearly and communicate progress to senior team members.
• Learn and work with the Google Cloud Platform (GCP) services used in our projects.

Requirements

• Bachelor's degree in Computer Science, IT, Data Science or a related field.
• Good knowledge of Python: data types, functions, OOP basics, error handling, and libraries such as Pandas and NumPy.
• Basic SQL skills: joins, aggregations and filtering.
• Strong problem-solving and logical reasoning skills, with the ability to break a problem into steps and work through it.
• Good verbal and written communication skills in English.
• A strong learning attitude: curious, open to feedback and willing to pick up new tools quickly.

Nice to Have

• Academic, personal or internship projects in data engineering, data analysis or machine learning (please share GitHub links).
• Exposure to any cloud platform, preferably GCP.
• Familiarity with REST APIs, Git or web scraping.
• Interest in ML/AI, or completed courses on Coursera / Udemy / edX in data, programming or cloud.

Location

Mohali, Punjab