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Added 5 days ago
LT
Senior Dotnet Developer
Lorven Technologies Inc.
Mississauga, ON
- Contract
Design, and deliver highly scalable, fault-tolerant services and features across our microservices platform.
Added 5 days ago
D
Curam Solution Architect
Deloitte
Ottawa, ON
- Full-time
Technical Expertise: Cúram SPM architecture and configuration, Java/J2EE development ecosystem, REST APIs and enterprise integration patterns, Azure cloud architecture and services,…
Added 5 days ago
M
Senior Java Full Stack Developer
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 5 days ago
ES
Software Engineering Team Lead
Exchange Solutions
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Strong TypeScript and Node.js, plus a second language such as Java. Comfortable in both object oriented and functional styles.
Added 5 days ago
E
Senior Full-Stack Application Developer (Kotlin-Java/React)
Equisoft
Montreal, QC · Quebec, QC · HYBRID - Montreal, Canada
- Full-time
Role: The Senior Full-Stack Application Developer (Kotlin-Java/React), reports to the Director, Product Development, you will be working with a team of 13 members that include developers,…
Added 5 days ago
C
Technology, Production Support, Summer Analyst, Mississauga, Canada, 2027
Citi
Mississauga, ON
- Full-time
Microservices Developer: Java, Spring Framework, Pivotal Cloud Foundry
Added 5 days ago
C
Technology, Production Support, Full Time Analyst, Mississauga, Canada, 2027
Citi
Mississauga, ON
- Full-time
Microservices Developer: Java, Spring Framework, Pivotal Cloud Foundry
Added 5 days ago
E
Core Network as a Service Test Developer
Ericsson
Ottawa, ON
- Full-time
· Design, develop and support cloud native applications and microservices as part of an agile team, ensuring our service offerings are robust, scalable and user-friendly.
Added 5 days ago
M
Senior Java Full Stack Developer
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 5 days ago
C
Spark Developer (With Java)
Capgemini
Mississauga, ON
- Full-time
We are seeking a highly skilled Spark Developer with strong Java expertise to design, develop, and optimize large-scale data processing applications. The ideal candidate will have hands-on…
Added 5 days ago
E
Senior Full-Stack Developer (Kotlin-Java/React)
Equisoft
Montreal, QC · Quebec, QC · HYBRID - Montreal, Canada
- Full-time
Role: The Senior Full-Stack Developer (Kotlin-Java/React) reports to the Director, Product Development, and works closely with a team of 14 members composes of Developers, Business…
Added 5 days ago
SG
Full Stack engineer – (Backend heavy) – Java with React
SRA Group
Toronto, ON
- $60 to $63 CAD / hour
- Contract
Role: Full Stack engineer – (Backend heavy) – Java with React
Added 5 days ago
KG
Java Developer | | Virtual Drive
K&K Global Talent Solutions INC.
Mississauga, ON
- Full-time
We are seeking an experienced Java Developer with strong expertise in enterprise application development, microservices architecture, API development, and distributed systems. The candidate…
Added 5 days ago
T
Sr. Java Developer with React.js Exp (Backend Heavy)
TestingXperts
Toronto, ON
- Contract
Title: Sr. Java Developer with React.js Exp( Backend Heavy)
Added 5 days ago
E
Senior Full-Stack Developer (Kotlin-Java/React)
Equisoft
Quebec, QC
- Full-time
Role: The Senior Full-Stack Developer (Kotlin-Java/React) reports to the Director, Product Development, and works closely with a team of 14 members composes of Developers, Business…
Added 5 days ago
E
Senior Full-Stack Developer (Kotlin-Java/React)
Equisoft
Montreal, QC
- Full-time
Role: The Senior Full-Stack Developer (Kotlin-Java/React) reports to the Director, Product Development, and works closely with a team of 14 members composes of Developers, Business…
Added 5 days ago
AS
Full Stack Engineer
Axelon Services Corporation
Montreal, QC
- $65.52 USD / hour
- Other
Design scalable Java and Spring Boot services, RESTful APIs, and event-driven or microservices-based components with appropriate security measures.
Added 5 days ago
PD
Software Developer II
Pollard Digital Solutions
Winnipeg, MB
- Full-time
We’re looking for a collaborative Software Developer II to join our Lottery Management Services Team within our Winnipeg, MB office.
Added 5 days ago
C
VP Senior Software Engineer
Citi
Mississauga, ON
- Full-time
Proficient in core software development technologies including Java 8+, message queues, RDBMS and REST APIs
Added 5 days ago
LT
Dotnet Developer
Lorven Technologies Inc.
ON · Ontario, Canada
- Contract
Design, and deliver highly scalable, fault-tolerant services and features across our microservices platform.
Added 5 days ago
KS
Java or Golang (Go)
Kumaran Systems
Toronto, ON · Greater Toronto Area, Canada
- Full-time
We are looking for an experienced Software Developer with strong hands-on experience in either Java or Golang (Go) and a good understanding of microservices architecture, containerization,…
Added 5 days ago
BI
Java Technical Consultant
BURGEON IT SERVICES
Toronto, ON
- Contract
Microservices architecture, java (Spring boot), Restful API, Graph QL, Web apps, Postman, Selenium, Machine Learning/AI
Added 5 days ago
BI
Full Stack Senior Developer
BURGEON IT SERVICES
Toronto, ON
- Contract
Microservices architecture, java (Spring boot), Restful API, Graph QL, Web apps, Postman, Selenium, Machine Learning/AI
Added 5 days ago
A
Java Spark Developer
Apptad
Montreal, QC
- Contract
We are seeking a highly skilled and experienced Senior Java Backend Developer to join our core engineering team. In this role, you will be responsible for designing, building, and…
Added 5 days ago
AI
Software Engineer with Core Java, Apache Spark & Python,
Apptoza Inc.
Montreal, QC
- Full-time
Role: Software Engineer with Core Java, Apache Spark, Python, SQL, and Linux experience

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.

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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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