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S M Software Solutions Inc

Python Developer - Onsite

Mississauga, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Nov 1, 2026
Posting language: English
Posted: Oct 2, 2026

Original job description

Client: Citi - Python Developer

We are seeking an experienced Python Developer with 8+ years of experience to join Citi’s technology team in Mississauga, ON, Canada. The role focuses on advanced Python development, large-scale data processing, data engineering, ETL development, PySpark, Spark, Pandas, NumPy, SQL/Oracle, and optimization techniques for processing high volumes of data.

Role Snapshot

Job Title: Python Developer
Client: Citi
Office Location: Mississauga, ON, Canada
Position Type: Full-time
Work Arrangement: Onsite
Experience: 8+ years
Application Deadline: 06 Oct 2026

Key Responsibilities

Develop and maintain applications using Python.
Perform large-scale data processing using PySpark and Spark.
Design and develop data engineering solutions.
Develop ETL processes using Oracle, MongoDB, and Hive.
Optimize data processing solutions for large volumes of data.
Work with Pandas for advanced data processing and analysis.
Utilize NumPy for data processing and computational requirements.
Develop and optimize SQL/Oracle queries.
Apply advanced coding practices to build efficient and scalable solutions.
Support Big Data processing requirements and data engineering initiatives.

Required Qualifications

8+ years of professional experience.
Strong proficiency in Python, including advanced Python development.
Advanced PySpark experience.
Advanced Spark experience.
Strong data processing and data engineering experience.
Experience developing ETL solutions using Oracle, MongoDB, and Hive.
Advanced experience with optimization techniques for large-volume data processing.
Advanced Pandas experience.
Intermediate NumPy experience.
Advanced SQL/Oracle experience.
Strong coding and Big Data processing experience.

How To Apply

If you are interested in this opportunity, please submit the following documents to hrsmss@smsoftconsulting.com by 06 Oct 2026:

Updated Resume in Word format (Mandatory)
References (Mandatory)

Note: Applications without the mandatory documents cannot be processed.

If this role is not suitable for you, please feel free to forward this opportunity to anyone who may be interested.

Thank you for considering this exciting opportunity with us.

Email is the best way to reach us.

You have received this message either as a result of contacting our company to express interest in employment or as a result of posting your resume in a location that can be accessed by recruiters or HR specialists, which suggests an interest in being contacted about employment opportunities.

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More about this job

Responsibilities

Develop and maintain Python applications and scalable data engineering solutions, including large-scale processing with PySpark and Spark. Build and optimize ETL workflows and SQL/Oracle queries, using Oracle, MongoDB, Hive, Pandas, and NumPy to process high volumes of data efficiently.

Requirements

Requires 8+ years of professional experience and advanced proficiency in Python, PySpark, Spark, Pandas, SQL/Oracle, and large-scale data processing optimization. Candidates should also have strong data engineering and Big Data experience, ETL development experience with Oracle, MongoDB, and Hive, and intermediate NumPy experience.

Skills

Python
PySpark
Apache Spark
Data Processing
Data Engineering
ETL Development
Oracle
MongoDB
Apache Hive
Data Optimization
Pandas
NumPy
SQL
Big Data Processing

Visa sponsorship

Not detected in the job text

Keywords

Python
PySpark
Apache Spark
Pandas
NumPy
SQL
Oracle
MongoDB
Apache Hive
ETL
Data Engineering
Big Data
Large-Scale Data Processing
Data Optimization
Advanced Coding Practices
Scalable Solutions
Data Analysis
High-Volume Data Processing
Citi
IT Services
IT Consulting

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