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Added 16 days ago
SM
RQ11685 – Software Developer – Back End – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Back-End Software Developer with extensive experience in IBM mainframe technologies, PL/I programming, IMS databases, DB2 for z/OS, XML processing, and…
Added 16 days ago
H
Technical Production Support Analyst
Hays
Montreal, QC
- Contract
As a Senior Technical Production Support Analyst, you will take a hands-on technical role supporting large-scale, distributed applications while helping drive production stability,…
Added 16 days ago
TI
Back End Developer - Mainframe
Teckhorizon Inc
Toronto, ON
- Contract
The client is seeking a Senior Software Developer Back End (Mainframe) to support the analysis, design, development, testing, and maintenance of mainframe applications within the Labour and…
Added 16 days ago
M
RQ11685 - Software Developer - Back End - Senior
Maarut
Toronto, ON
- Contract
Added 16 days ago
Senior Business System Analyst, Enterprise Platforms
Equitable
Waterloo, ON
We are seeking a highly motivated Senior Business Systems Analyst to join our Enterprise Content Management IT team! In this role, the successful candidate will be a highly analytical…
Added 16 days ago
AG
Mainframe Developer - (PL/I) - Req ID: RQ1168 - Software Engineer - Toronto, Ontario, Canada
Arthur Grand Technologies Inc
Toronto, ON
- Contract
Hiring: Senior Software Developer – Mainframe (PL/I) - Req ID: RQ11685
Added 16 days ago
M
Ingénieur Support Mainframe / Mainframe Support Engineer
mthree
Montreal, QC
- Full-time
Expérience des bases de données relationnelles telles que DB2, SQL, Sybase ou PostgreSQL.
Added 18 days ago
RB
Lead Senior Software Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
…Markets, and external vendor partners. We are looking for a lead senior software engineer, a seasoned technologist to build cutting-edge, products and solutions in cloud environments.…
Added 18 days ago
FN
Senior Application Developer, IT
First National Financial LP
Toronto, ON · East York, ON
- Full-time
We are hiring a Senior Application Developer, IT
Added 18 days ago
S
Senior Java Backend Engineer
Synechron
Montreal, QC
- Full-time
The client is looking for an experienced Backend Java Developer to join a team actively working on advanced risk and model management systems. The environment is agile, with heavy…
Added 18 days ago
R
Lead Senior Software Engineer
RBC
Toronto, ON
- Full-time
…Markets, and external vendor partners. We are looking for a lead senior software engineer, a seasoned technologist to build cutting-edge, products and solutions in cloud environments.…
Added 18 days ago
QI
Senior Java Developer
Qualis1 Inc.
Montreal, QC
- Contract
Proficiency with Enterprise level database (ex. Oracle, SQL Server, Sybase, DB2, Snowflake) and SQL
Added 18 days ago
W
Spécialiste en visualisation de données - sénior
Wepoint
Montreal, QC · Quebec, QC
- Full-time
Nous sommes à la recherche d'un(e) Spécialiste en visualisation de données sénior(e) pour se joindre à notre équipe.
Added 18 days ago
O
Spécialiste en visualisation de données - sénior
Onepoint
Montreal, QC · Quebec, QC
- Full-time
Nous sommes à la recherche d'un(e) Spécialiste en visualisation de données sénior(e) pour se joindre à notre équipe.
Added 18 days ago
O
Architecte de données sénior
Onepoint
Montreal, QC · Quebec, QC
- Full-time
…données et types de sources de données : MS SQL Server, Oracle, DB2, Sybase, Dataverse, bases NoSQL, Spark, ainsi que des flux de données via ELT, ETL, API et formats comme…
Added 18 days ago
W
Architecte de données sénior
Wepoint
Montreal, QC · Quebec, QC
- Full-time
…données et types de sources de données : MS SQL Server, Oracle, DB2, Sybase, Dataverse, bases NoSQL, Spark, ainsi que des flux de données via ELT, ETL, API et formats comme…
Added 21 days ago
ES
Data Technology Consultant - Data & AI Modernization
EPAM Systems
Canada
- Full-time
…and bring strategic advisory plus deep technical know-how to senior client stakeholders across worldwide…
Added 22 days ago
JI
Database Administrator
J.D. Irving, Limited
Saint John, NB
- Full-time
Able to communicate efficiently with senior leadership on complex technical issues and topics
Added 22 days ago
O
Conseiller(ère) en ingénierie de données sénior
Onepoint
Montreal, QC · Quebec, QC
- Full-time
…données et types de sources de données : MS SQL Server, Oracle, DB2, Sybase, Dataverse, bases NoSQL, Spark, ainsi que des flux de données via ELT, ETL, API et formats comme…
Added 22 days ago
W
Conseiller(ère) en ingénierie de données sénior
Wepoint
Montreal, QC · Quebec, QC
- Full-time
…données et types de sources de données : MS SQL Server, Oracle, DB2, Sybase, Dataverse, bases NoSQL, Spark, ainsi que des flux de données via ELT, ETL, API et formats comme…
Added 22 days ago
T
IT Support Analyst IV
TD
Toronto, ON
- Full-time
Generally reports to a Team Manager / Manager / Senior Manager
Added 23 days ago
T
Sr, Mainframe Engineer, TD Securities
TD
Toronto, ON
- Full-time
TD Securities Payments Workflow Technology team is looking for a senior mainframe developer to implement solutions in alignment with the firm’s technology strategy. The team is responsible…
Added 23 days ago
UT
Java Full Stack Developer #26-25630
US Tech Solutions
Toronto, ON
- $75 to $80 USD / hour
- Contract
We are looking for an experienced Senior Java Full Stack Developer to support application development, enhancements, production support, and technology projects within an enterprise…
Added 23 days ago
IC
Java Application Developer
Infotek Consulting Inc.
Toronto, ON
- $80 to $88 CAD / hour
- Contract
We are looking for an experienced Senior Java Full Stack Developer to join a collaborative technology team supporting a variety of engineering projects and day-to-day application…
Added 23 days ago
Programmer Analyst Advisory
Scotiabank
Toronto, ON
The Senior Mainframe Developer is responsible for the design, development, maintenance, and support of Commercial Lending applications. The successful candidate will work closely with…

Qualis1 Inc.

Senior Java Developer

Montreal, QC, Canada

Contract

Apply About employer

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Job details

Job type: Contract
Apply by: Nov 12, 2026
Experience: 8+ years of professional work experience with Java
Posting language: English
Posted: Oct 13, 2026

Original job description

Position: Senior Java Developer

Location: Montreal, QC, (3 days onsite must)

Duration: 12 Months

Interview Mode: Video + Face 2 Face

As a member of a Java development squad, you will:

Design & develop innovative, reliable solutions using latest technology architecture
Take ownership of the technology platforms
Drive the modernization and agile agenda
Collaborate and understand the needs and problems of our business lines

What you will bring to the role

Bachelor’s degree in Computer Science or related field
8+ years of professional work experience with Java
Good knowledge of Unix/Linux
Excellent written and verbal communication skills

Things to highlight on your resume

While these are not required, we are very interested in speaking with people who have exposure to the following technologies or subjects. Do not hesitate to highlight them on your resume!

Experience with microservice architecture
Experience with Spring/Spring Boot
Experience developing client-server, distributed, real-time, performance-critical, highly available, or large-scale systems
Experience building real time applications in Multithreading for a Unix/Linux platform
Experience working with Source Code Management solutions like (ex. Git, Perforce, CVS)
Experience with IntelliJ or Eclipse IDE
Experience with cloud technologies (AWS, Azure) and DevOps
Proficiency with Enterprise level database (ex. Oracle, SQL Server, Sybase, DB2, Snowflake) and SQL
Trading and financial modelling & knowledge of financial technologies (e.g., FIX, Swift protocol)
Experience testing software (e.g., Unit testing, using frameworks, performance testing/tuning)
Experience debugging or performing issue diagnosis
Experience with Scala/functional programming

Apply About employer

More about this job

Responsibilities

Design and develop reliable solutions using modern technology and architecture, while taking ownership of technology platforms and supporting modernization and agile initiatives. Collaborate with business lines to understand their needs and problems.

Requirements

Requires a bachelor's degree in Computer Science or a related field, at least eight years of professional Java experience, and good knowledge of Unix/Linux. Strong written and verbal communication skills are also required.

Skills

Java
Unix/Linux
Microservices
Spring Boot
Distributed Systems
Multithreading
Cloud Technologies
DevOps
SQL
Financial Technology
Software Testing
Debugging
Scala
Agile Development

Visa sponsorship

Not detected in the job text

Keywords

Java
Unix/Linux
Microservice Architecture
Spring
Spring Boot
Client-Server Systems
Distributed Systems
Real-Time Applications
Performance-Critical Systems
High Availability
Large-Scale Systems
Multithreading
Git
Perforce
CVS
IntelliJ
Eclipse
AWS
Azure
DevOps
Oracle
SQL Server
Sybase
DB2
Snowflake
SQL
Trading
Financial Modeling
FIX Protocol
Swift Protocol

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