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Added 2 mins ago
M
RQ11656 - Systems Testing/QA Specialist - Senior
Maarut
Toronto, ON
- Contract
Proficiency in programming languages such as Java, Python, C#, or JavaScript.
Added 17 mins ago
GS
Business Systems Developer
Grantek Systems Integration
Burlington, ON
- Full-time
Grantek is looking for a Business Systems Developer to design, build, and maintain the internal applications, integrations, and automation workflows that support our global operations. This…
Added 32 mins ago
QT
Développeur logiciel principal - rapports et analyses / Senior Software Developer - Reporting
Quantum Technology Recruiting Inc. (QTR)
Montreal, QC
- $100,000 to $120,000 CAD / year
- Full-time
- Connaissance d'au moins un langage de programmation (p. ex., C#, Python, Java) et des API REST
Added 32 mins ago
HB
Platform Engineer - fintech - Montreal - $250,000+ bonus!
Hunter Bond
Montreal, QC
- Full-time
Development tools: CI/CD, version control, artifact repositories and developer platforms
Added 1 hour ago
TC
Senior Database Administrator (Oracle Application DBA / AWS Cloud)
Tata Consultancy Services
Toronto, ON
- $115,000 to $130,000 CAD / year
- Full-time
We are seeking an experienced Senior Oracle Application DBA to optimize, scale, and maintain mission-critical database applications. This role partners closely with development and…
Added 1 hour ago
KI
PL/SQL Developer in Montreal, QC- Canada - Interviews this weekend
KPG99 INC
Montreal, QC
- Contract
We are seeking an experienced PL/SQL Developer with strong Unix/Linux and DB2 database skills to join our team. The ideal candidate will be responsible for designing, developing,…
Added 1 hour ago
B
Automation Lead – Playwright, TypeScript
BeachHead
Toronto, ON
- $65 to $70 CAD / hour
- Contract
Conduct database testing and write SQL queries to validate application functionality.
Added 1 hour ago
G
Business Systems Developer
Grantek
Burlington, ON
- Full-time
Grantek is looking for a Business Systems Developer to design, build, and maintain the internal applications, integrations, and automation workflows that support our global operations. This…
Added 1 hour ago
SY
Senior Software Engineer
Secure Yourself IT Solutions
Ottawa, ON
- Contract
…calls for. Whether your background is in .NET, Java, Node.js, Python, or another modern development environment, what matters most is your ability to write good code, learn new systems, and…
Added 2 hours ago
ES
Senior / Lead Azure Data Engineer
Enterprise Solutions Inc.
Toronto, ON
- Contract
Strong SQL Server and Azure SQL Database experience.
Added 2 hours ago
KI
Hybrid - PL/SQL Developer (Unix & DB2)
KPG99 INC
Montreal, QC
- Contract
We are seeking an experienced PL/SQL Developer with strong Unix/Linux and DB2 database skills to join our team. The ideal candidate will be responsible for designing, developing,…
Added 3 hours ago
E
Deployment Lead
enurgen
Ottawa, ON · Greater Ottawa Metropolitan Area
- Full-time
Hands-on experience using Python for data cleaning, validation, and analysis
Added 3 hours ago
A
Java Spark Backend Developer
Apptad
Montreal, QC
- Contract
…ideal candidate should have strong expertise in Java, SQL, database systems, and Python, along with a willingness to learn and adapt to new…
Added 3 hours ago
TT
Senior MLOps Engineer - Investment Banking
Tech Talent International
Montreal, QC
- $140,000 to $150,000 CAD / year
- Full-time
Senior Python Development – Deep expertise in Python for building ETL pipelines, database interactions, S3, orchestration, versioning, and CI/CD on the cloud.
Added 4 hours ago
ZT
Quality Assurance Engineer
Zensar Technologies
Toronto, ON
- Full-time
You will use Python to build automation frameworks that simulate thousands of real-time trades, ensuring our systems can handle market volatility.
Added 4 hours ago
C
System Integrator (Renewable)
CIMA+
London, ON
- $67,440 to $92,730 CAD / year
- Full-time
Experience with Python and a basic understanding of RDBMS development (MySQL, SQL, SQL Server Reporting Services)
Added 6 hours ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Evaluate and verify some issues discovered, log probable software bugs in Husky tracking database.
Added 7 hours ago
NB
QRM CHIEF DEVELOPER
National Bank of Canada
Toronto, ON
- Full-time
A career as a Chief Quantitative Risk Management (QRM) Developer in the IT Delivery and Capital Markets team at National Bank means acting as a specialist in supporting financial risk…
Added 8 hours ago
JT
Business Process & System Specialist
J-Squared Technologies Inc.®
ON · Ontario, Canada
- Full-time
Experience using Python, JavaScript, or another scripting language to transform data, automate workflows, connect systems, or build lightweight tools or applications.
Added 11 hours ago
AT
Lead Data Analyst
Altis Technology
Ottawa, ON · Greater Ottawa Metropolitan Area
- Contract
Oversee data governance, business requirements, database enhancements, and reporting improvements.
Added 11 hours ago
AI
Senior AWS Data Engineer
Apptoza Inc.
Toronto, ON
- Full-time
Build and optimize ETL/ELT workflows using AWS Glue (PySpark/Python).
Added 11 hours ago
SI
Software Developer
Spait Infotech
Canada
- Full-time
Develop applications using programming languages such as Java, Python, C#, JavaScript, or C++.
Added 11 hours ago
T
Quality Assurance Engineer
Trulioo
Remote, Canada
- $85,000 to $95,000 CAD / year
- Full-time
- Remote
…and executing manual and automated tests across UI, API, and database layers, and integrating them into CI/CD…
Added 11 hours ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Database querying and transformation: dbt, SQL (writing queries, joins, stored procedures)
Added 12 hours ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Evaluate and verify some issues discovered, log probable software bugs in Husky tracking database.

Apptad

Java Spark Backend Developer

Montreal, QC, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 29, 2026
Posting language: English
Posted: Oct 30, 2026

Original job description

Java Spark Developer

Location: Montreal, QC

In this role, you will be responsible for designing, developing, testing, and delivering high-quality software solutions. The ideal candidate should have strong expertise in Java, SQL, database systems, and Python, along with a willingness to learn and adapt to new technologies.

Responsibilities:

Develop, test, and maintain scalable and high-performance applications using Java and Python.
Design and implement robust backend solutions with strong emphasis on database interactions (SQL/DB).
Write efficient, reusable, and reliable code following best practices and coding standards.
Analyze business requirements and translate them into technical solutions.
Work closely with cross-functional teams in an Agile environment to ensure smooth project delivery.
Perform code reviews, debugging, and troubleshooting to optimize application performance.
Design and optimize database schemas, queries, and stored procedures for performance and scalability.
Ensure application architecture aligns with enterprise standards and long-term business goals.
Continuously explore and implement improvements in system design and development processes.

Minimum Qualifications:

BE / B.Tech / MCA or equivalent
Strong written and verbal communication skills
Proven experience in software development with Java and Python

Preferred Qualifications / Skills:

Strong proficiency in Core Java, SQL, and Database Management Systems (Oracle, MySQL, PostgreSQL, DB2, etc.)
Hands-on experience with Python for scripting, automation, or backend development
Experience in building RESTful APIs and microservices architecture
Good understanding of Spring Boot, Hibernate/JPA (preferred but not mandatory)
Solid understanding of data structures, algorithms, and design patterns
Experience working with multithreaded and high-performance applications
Strong knowledge of database design, query optimization, and performance tuning
Familiarity with Linux/Unix environments
Experience with version control tools (Git) and CI/CD pipelines
Exposure to unit testing frameworks
Ability to troubleshoot complex technical issues and provide scalable solutions
Experience working in an Agile/Scrum development environment
Exposure to financial domain (nice to have)

Apply About employer

More about this job

Responsibilities

Design, develop, test, and maintain scalable, high-performance backend applications using Java and Python, with a focus on robust database interactions. Translate business requirements into technical solutions, collaborate with Agile teams, review and troubleshoot code, and optimize database performance and system design.

Requirements

Requires a BE, B.Tech, MCA, or equivalent, strong communication skills, and proven software development experience with Java and Python. Desired skills include Core Java, SQL and database systems, Python, REST APIs and microservices, database optimization, Linux/Unix, Git, CI/CD, testing, and Agile/Scrum experience.

Skills

Java
Python
SQL
Database Management
Core Java
RESTful APIs
Microservices
Spring Boot
Hibernate/JPA
Data Structures And Algorithms
Design Patterns
Multithreading
Database Design And Query Optimization
Linux/Unix
Git
Agile/Scrum

Visa sponsorship

Not detected in the job text

Keywords

Java
Python
SQL
Oracle
MySQL
PostgreSQL
DB2
Spring Boot
Hibernate
JPA
RESTful APIs
Microservices
Database Management Systems
Database Design
Query Optimization
Stored Procedures
Multithreading
Data Structures
Algorithms
Design Patterns
Linux/Unix
Git
CI/CD
Unit Testing
Agile/Scrum
Financial Domain
Backend Development
Performance Tuning

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