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Added 18 mins ago
GS
Electrical Engineer/Designer
Grantek Systems Integration
Burlington, ON
- Full-time
The Electrical Engineer/Designer at Grantek is an exciting opportunity for an intermediate to senior-level professional with a strong background in electrical design and industrial control…
Added 28 mins ago
DevOps Engineer
OCS Ontario Cannabis Store
Toronto, ON
As our DevOps Engineer, you’ll build strong collaborative relationships with internal stakeholders to manage application infrastructure and code deployments across development, testing, and…
Added 32 mins ago
G
Electrical Engineer/Designer
Grantek
Burlington, ON
- Full-time
The Electrical Engineer/Designer at Grantek is an exciting opportunity for an intermediate to senior-level professional with a strong background in electrical design and industrial control…
Added 39 mins ago
T
Software Engineer II (SDET)
TD
Toronto, ON
- Full-time
Document and verify system components, applications, system infrastructure, security, integration, operability and engineering related architecture designs associated with a program or…
Added 39 mins ago
PR
Senior Robotics and Control Engineer
Promise Robotics
AB
- Full-time
(Preferred) Experience with electrical system design implementation in compliance with electrical standards
Added 39 mins ago
K
Junior Civil Structural Engineer
Kent
Sarnia, ON
- Full-time
Kent is looking for a Junior Civil/Structural Engineer to join our team in our Sarnia, Ontario office. The successful candidate will support the design and analysis of smaller projects or…
Added 1 hour ago
W
Principal Process Automation Engineer
Worley
AB · Edmonton, AB
- Full-time
…partners, construction contractors, equipment manufacturers, system integrators and project management as well as technical disciplines including process, civil, structural, piping,…
Added 1 hour ago
GT
Director of Engineering
GNO-SYS Technology
Calgary, AB
- Full-time
GNO-SYS Technology Ltd. provides end-to-end remote sensing engineering services, with expertise in system development, data processing, project management, and automation. We design and…
Added 1 hour ago
M
RQ00834 - Database Administrator - Intermediate
Maarut
Toronto, ON
- Contract
Creates physical database designs and operates and administers the database management system (DBMS) including database optimization, capacity planning, installation and migration, database…
Added 1 hour ago
TT
Ruby on Rails Engineer
TriCom Technical Services
Canada
- Full-time
We are seeking a Senior Ruby on Rails Engineer to develop and support complex eCommerce integrations involving Shopify, product information management (PIM), order management systems (OMS),…
Added 1 hour ago
L
Data Engineer
Luxoft
Canada
- Full-time
Design and build backend services and APIs, including system-to-system integrations, on relational data
Added 1 hour ago
ET
Python Developer
Envision Technology Solutions
Toronto, ON
- Full-time
Design, build, and maintain backend financial and payments system flows (e.g., core banking, ACH, wire, card, and digital asset transaction processing).
Added 1 hour ago
AS
GenAI Prompt Engineer
Axelon Services Corporation
Montreal, QC
- $65.52 USD / hour
- Other
Knowledge of design patterns, system resiliency, observability, scalability, and performance.
Added 1 hour ago
Staff Machine Learning Engineer
Twilio
ON
Join the team as Twilio’s next Staff Machine Learning Engineer on Twilio’s AI/ML Platform team.
Added 1 hour ago
S
Senior Research Scientist
Seequent
Calgary, AB · Canada Calgary AB Office
- Full-time
…help them develop critical mineral resources more sustainably, design and build better infrastructure, source renewable energy, and reduce their impact on the…
Added 1 hour ago
C
VP Senior Software Engineer
Citi
Mississauga, ON
- Full-time
…functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process…
Added 1 hour ago
Z
Network Engineer
Zetron
Victoria, BC
- $80,000 to $120,000 CAD / year
- Full-time
Design and implement technology and networking solutions that improve business efficiency and system performance.
Added 2 hours ago
W
Pipeline Engineer
Worley
AB · Edmonton, AB
- Full-time
The successful candidate(s) will perform pipeline engineering design, calculations, consulting, and technical analysis, while contributing to the preparation and delivery of engineering…
Added 2 hours ago
V-
RF Systems Engineer
VELCO - Vermont Electric Power Company
Grande Prairie, AB
- Full-time
Mid-Career (Experienced) Engineer level- The individual will understand the VELCO radio frequency network system as well as VELCO standards and procedures and be able to competently…
Added 2 hours ago
RC
Renewable Energy Engineer (Entry-Level)
Renewable Careers
Toronto, ON
- $80,000 to $110,000 CAD / year
- Full-time
…are expanding our Toronto team and looking for an entry-level engineer who wants to help build Canada's clean energy…
Added 2 hours ago
W
Senior Mechanical Engineer - Mining, Minerals, Metals
Worley
Vancouver, BC
- Full-time
We are currently recruiting for a Senior Mechanical Engineer MMM. Our team includes world class experts and dynamic go-getters. This is a full-time position based in Vancouver, British…
Added 2 hours ago
HT
Product Development Engineer
Husky Technologies
Bolton, ON
- Full-time
System level design with limited guidance, frequently in the absence of specific design standards.
Added 2 hours ago
BC
Senior Combat Systems Engineer
Babcock Canada Inc.
Victoria, BC
- Contract
Strong knowledge of systems engineering standards, methodologies, and lifecycle processes used to manage the technical integrity of complex assets within a System-of-Systems framework.
Added 2 hours ago
L
EUC Desktop Support Engineer
LTM
ON · Ontario, Canada
- $50,000 to $55,000 USD / year
- Full-time
Design deploy and manage Azure Virtual Desktop AVD infrastructures to support enterprise desktop virtualization needs.
Added 2 hours ago
W
Pipeline Engineer
Worley
Calgary, AB
- Full-time
The successful candidate(s) will perform pipeline engineering design, calculations, consulting, and technical analysis, while contributing to the preparation and delivery of engineering…

Apptoza Inc.

Software Engineer with Core Java, Apache Spark & Python,

Montreal, QC, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Nov 22, 2026
Posting language: English
Posted: Oct 23, 2026

Original job description

Role: Software Engineer with Core Java, Apache Spark, Python, SQL, and Linux experience

Location: Montreal, QC – Hybrid

Fulltime Role

Job Description

Job Description – Core java, Apache Spark, Python

We are seeking a highly motivated and experienced Software Engineer with strong expertise in Core Java, Apache Spark, Python, SQL, and Linux to design, develop, and support scalable server-side applications and analytical data processing systems. The ideal candidate will have hands-on experience in building high-performance applications, integrating analytical platforms, and working with large-scale data processing frameworks.

Key Responsibilities

Design, develop, test, and maintain high-performance, scalable server-side applications using Core Java and Python.

Build and optimize large-scale data processing solutions using Apache Spark.

Develop and maintain database solutions, write complex SQL queries, and optimize database performance.

Design and integrate analytical systems to process and analyze large volumes of structured and unstructured data.

Collaborate with cross-functional teams including business analysts, architects, data engineers, and QA teams to deliver robust solutions.

Troubleshoot, debug, and resolve application and system performance issues.

Work in Linux environments for application deployment, monitoring, and support activities.

Participate in application architecture discussions and contribute to technical design decisions.

Ensure adherence to coding standards, security guidelines, and software development best practices.

Support CI/CD processes and application lifecycle management.

Required Skills & Qualifications

Senior years of hands-on experience in software development and analytical system integration.

Strong programming expertise in Core Java.

Hands-on experience with Apache Spark for distributed data processing.

Strong development experience in Python.

Proficiency in SQL and relational databases.

Strong working knowledge of Linux/Unix operating systems.

Experience in application/server-side development and microservices-based architectures.

Experience designing, building, and integrating analytical and data processing systems.

Strong understanding of data structures, algorithms, object-oriented design principles, and multithreading.

Experience with RESTful APIs and system integration.

Excellent problem-solving and debugging skills.

Preferred Qualifications

Experience with cloud platforms such as AWS, Azure, or GCP.

Knowledge of Hadoop ecosystem technologies.

Experience with containerization technologies such as Docker and Kubernetes.

Familiarity with CI/CD tools and DevOps practices.

Experience working in Agile/Scrum environments.

Key Competencies

Strong analytical and problem-solving skills.

Ability to work independently and collaboratively in a fast-paced environment.

Excellent communication and stakeholder management skills.

Commitment to delivering high-quality, scalable, and maintainable solutions.

Nice to Have: Financial Services / Capital Markets domain experience.

Apply About employer

More about this job

Responsibilities

Design, develop, test, and maintain scalable server-side applications using Core Java and Python, and build large-scale data processing solutions with Apache Spark and SQL. Integrate analytical systems, troubleshoot performance issues, support Linux deployments and CI/CD, and collaborate with cross-functional teams on architecture and delivery.

Requirements

Requires senior-level hands-on software development experience, strong Core Java, Python, Apache Spark, SQL, and Linux skills, and experience with server-side applications, microservices, and analytical data systems. Candidates should also understand data structures, algorithms, object-oriented design, multithreading, and RESTful APIs; cloud, Hadoop, containers, DevOps, Agile, and financial services experience are preferred or advantageous.

Skills

Core Java
Apache Spark
Python
SQL
Linux
Server-Side Development
Microservices
Relational Databases
Analytical Systems Integration
Distributed Data Processing
RESTful APIs
Data Structures
Algorithms
Object-Oriented Design
Multithreading
Debugging

Visa sponsorship

Not detected in the job text

Keywords

Core Java
Apache Spark
Python
SQL
Linux
Unix
Server-Side Applications
Microservices
Relational Databases
Analytical Systems
Distributed Data Processing
Structured Data
Unstructured Data
RESTful APIs
Data Structures
Algorithms
Object-Oriented Design
Multithreading
AWS
Azure
GCP
Hadoop
Docker
Kubernetes
CI/CD
DevOps
Agile
Scrum
Capital Markets
Financial Services

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