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Added 9 days ago
Senior Software Developer - SQL/Python
RBC
Toronto, ON
Full-time
…Engineer, specializing in AI-driven agent development using Python, SQL, and Snowflake technologies. You will leverage modern development tools including Copilot and Windsurf to build…
Added 1 day ago
Core Java Developer with Apache Spark & Python Experience / Montreal, QC (Hybrid) - FTE
AceStack LLC
Montreal, QC
Full-time
Job Title: Core Java Developer – Apache Spark & Python
Added 1 day ago
Java Developer with Python
Pacer Group
Mississauga, ON
$125,000 to $135,000 CAD / year
Full-time
Must have strong experience in Java development and Python programming too.
Added 2 days ago
Python Developer (Hybrid, Toronto/GTA - Big 5 Bank Client)
Tenacious Intelligence
Toronto, ON
$95,000 to $100,000 CAD / year
Contract
We're hiring Python Developers to work hybrid in the Toronto/GTA area with one of Canada's big 5 banks, through our technology staffing partnership. You'll be building and maintaining…
Added 1 day ago
Python Developer
Ascendion
Toronto, ON
Full-time
Significant experience with at least one dynamically typed, object-oriented programming language ( preference for Python).
Added 1 day ago
Software Developer (Python) | Up to CAD $200k + Bonus | Elite FinTech | Hybrid | Montreal
Hunter Bond
Montreal, QC
Full-time
I'm working with an elite FinTech firm that's looking to hire talented Python Developers who enjoy building complex, scalable applications and solving challenging engineering challenges.
Added 2 days ago
Python Developer with AI/ML
Centraprise
Mississauga, ON
$100,000 to $120,000 USD / year
Full-time
Experience: 8-10 years of professional experience in Python software development.
Added 2 days ago
Python Developer with Automation frameworks
Raas Infotek
Mississauga, ON
Contract
We are looking for an experienced Python Automation Engineer to design, develop, and maintain automation solutions that improve operational efficiency, reduce manual effort, and enhance…
Added 2 days ago
Software Developer (Python)
Ztek Consulting
Montreal, QC
Full-time
Strong Python and Perl programming skills, writing secure, testable, robust code.
Added 2 days ago
Python Software Development Specialist
Ztek Consulting
Montreal, QC
$120,000 to $130,000 CAD / year
Full-time
Job Role: Python Software Development Specialist
Added 3 days ago
Back End Developer-Python
SRA Group
Toronto, ON
Contract
Job Title : Backend Engineer – Python (API & Platform Engineering) X13 (ongoing roles)
Added 3 days ago
Intern, Fullstack Developer (Python) - Winter Semester 2027
AlayaCare
Montreal, QC
As an Fullstack Developer Intern (Python, Vue.js & RESTful APIs), you’ll work closely with experienced developers and product team members to contribute to real product features on the…
Added 3 days ago
Python Developer
SPECTRAFORCE
Toronto, ON
$75 to $80 CAD / hour
Contract
Design, build, and maintain RESTful APIs using Python/FastAPI that serve as the orchestration layer for certificate or key lifecycle workflows
Added 3 days ago
Senior Python Developer with AWS skills
Luxoft
Toronto, ON
Contract
· Strong Python experience in enterprise environments
Added 3 days ago
Python Developer
SPECTRAFORCE
Toronto, ON
$75 to $80 CAD / hour
Contract
Design, build, and maintain RESTful APIs using Python/FastAPI that serve as the orchestration layer for certificate or key lifecycle workflows
Added 3 days ago
Python Full Stack Developer
Astek
Montreal, QC
Full-time
Design, develop, and implement scalable solutions using Python and React within a dynamic, agile team.
Added 4 days ago
Senior Python Developer – Security Automation
Infotek Consulting Inc.
Toronto, ON
Contract
We are seeking a Senior Python Developer to join an enterprise security automation team responsible for building secure, scalable cryptographic automation solutions.
Added 4 days ago
Développeur Python / Python Developer
mthree Recruiting Portal
Montreal, QC
We are seeking a Python Developer with a proven track record of large scale distributed systems and Kubernetes experience to join a dynamic team with one of our clients
Added 4 days ago
Python Developer - Mississauga, Canada (Hybrid)
Altimetrik
Mississauga, ON
Full-time
Python (core & Advance preferable), Pyspark (Advanced Level)- Data processing, Engineering, ETL Development(using Oracle, mongo, Hive), Advanced Optimization Techniques for processing Large…
Added 4 days ago
Fullstack Developer (Python) - Platform Team
AlayaCare
Montreal, QC
We are seeking a Fullstack Developer (Python) reporting to our Associate Director of Engineering to join one of our Product team. The team is dedicated to product development and the…
Added 6 days ago
Jira Service Management Developer – Java, Python, AI Automation & REST APIs
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
Full-time
Jira Service Management Developer – Java, Python & AI Automation
Added 5 days ago
Python Developer
Smart IT Frame LLC
Mississauga, ON
Full-time
We are looking for a motivated and detail-oriented Python developer with 6-8+ years of experience to join our development team. The ideal candidate will contribute to designing, developing…
Added 5 days ago
Python Developer
Smart IT Frame LLC
Mississauga, ON
Full-time
We are looking for a motivated and detail-oriented Python developer with 6-8+ years of experience to join our development team. The ideal candidate will contribute to designing, developing…
Added 5 days ago
Senior Python Application Developer, SQL and Snowflake, Capital Markets (1888)
Direct IT Recruiting Inc.
Toronto, ON
$90 to $100 CAD / hour
Contract
We are seeking a Senior Python Application Developer with strong SQL, Oracle, and Snowflake experience to join the Risk Division of a major investment management organization.
Added 6 days ago
Java/Python DB Developer
Synechron
Montreal, QC
$80,000 to $90,000 CAD / year
Full-time
Nous recherchons un Développeur Java/Python/Base de Données expérimenté, avec 5 à 7 ans d’expérience, pour rejoindre notre équipe de Données de Référence Sécuritaires. Le candidat idéal…

AceStack LLC

Core Java Developer with Apache Spark & Python Experience / Montreal, QC (Hybrid) - FTE

Montreal, QC, Canada

Job type: Full-time
Apply by: Oct 18, 2026
Posting language: English
Posted: Sep 18, 2026

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Original job description

Job Title: Core Java Developer – Apache Spark & Python

Location: Montreal, QC

Work Model: Hybrid

Job Overview

We are seeking a Senior Java Developer with 7–12+ years of experience, with strong Core Java and backend development, Must have 3+ years of Apache Spark and Python, strong SQL/Linux skills, and experience building distributed data-processing/analytical applications.

Key Responsibilities

Design, develop, test, and maintain scalable server-side applications using Core Java and Python.
Develop and optimize large-scale data processing applications using Apache Spark.
Design and implement data processing solutions for high-volume and complex datasets.
Write, optimize, and troubleshoot complex SQL queries and database solutions.
Integrate analytical platforms and data processing systems with enterprise applications.
Develop and integrate RESTful APIs and microservices.
Apply strong knowledge of data structures, algorithms, object-oriented programming, and multithreading.
Troubleshoot application, data processing, and system performance issues.
Work extensively in Linux/Unix environments for application deployment, monitoring, troubleshooting, and production support.
Participate in application architecture, technical design, and code reviews.
Collaborate with business analysts, architects, data engineers, QA teams, and other stakeholders.
Follow coding standards, security practices, design principles, and software development best practices.
Support CI/CD pipelines, application releases, and overall application lifecycle management.
Contribute to improving application scalability, reliability, performance, and maintainability.

Required Skills & Qualifications

Strong hands-on experience in Core Java development.
Proven experience working with Apache Spark for distributed data processing.
Strong development experience with Python.
Strong proficiency in SQL and relational databases.
Solid working knowledge of Linux/Unix environments.
Experience developing server-side applications and microservices.
Experience designing and integrating analytical and data processing systems.
Strong understanding of:
Data Structures & Algorithms
Object-Oriented Design
Multithreading & Concurrency
Exception Handling
Performance Optimization
Hands-on experience developing and integrating RESTful APIs.
Strong debugging, troubleshooting, and problem-solving skills.
Experience working with large-scale data and high-performance applications.

Preferred Qualifications

Experience with cloud platforms such as AWS, Azure, or GCP.
Knowledge of the Hadoop ecosystem and related big-data technologies.
Experience with Docker and Kubernetes.
Familiarity with CI/CD and DevOps practices.
Experience working in Agile/Scrum development environments.
Experience in Financial Services or Capital Markets is a plus.

Key Competencies

Strong analytical and problem-solving abilities.
Ability to design and develop scalable, high-performance solutions.
Strong communication and collaboration skills.
Ability to work independently and effectively with cross-functional teams.
Strong focus on code quality, performance, reliability, and maintainability.
Ability to troubleshoot complex production and application issues.

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More about this job

Responsibilities

Design, develop, and maintain scalable server-side applications and large-scale data processing solutions using Core Java, Python, and Apache Spark. Collaborate with cross-functional teams to integrate analytical platforms while ensuring high performance, reliability, and adherence to coding standards.

Requirements

Requires 7–12+ years of experience in Core Java development with at least 3 years of hands-on experience in Apache Spark and Python. Candidates must possess strong SQL, Linux/Unix, and distributed systems knowledge, along with experience in microservices and API integration.

Skills

Core Java
Apache Spark
Python
SQL
Linux
Unix
Distributed data-processing
RESTful APIs
Microservices
Data structures
Algorithms
Multithreading
Object-oriented programming
CI/CD
Database solutions
Performance optimization

Visa sponsorship

Not detected in the job text

Keywords

Core Java
Apache Spark
Python
SQL
Linux
Unix
Distributed Systems
Data Processing
RESTful APIs
Microservices
Multithreading
CI/CD
Data Structures
Algorithms
Object-Oriented Design
AWS
Azure
GCP
Hadoop
Docker
Kubernetes
Agile
Scrum
Financial Services
Capital Markets
Backend Development
Performance Optimization
Production Support
Software Development
Data Engineering

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