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Added 25 mins ago
Senior Software Engineer, Security Engineering (Auth0)
Okta
Toronto, ON
Senior Software Engineer, Security Engineering
Added 39 mins ago
Software Quality Engineer (AI Acceleration Global DevOps)
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
Full-time
We are looking for a seasoned AI first Senior Quality Engineer who is empowered to help the DevOps enablement team deliver highest level quality and is responsible for ensuring the team…
Added 39 mins ago
Sr. Software Quality Engineer – AI Acceleration / Global DevOps
J&M Group
Toronto, ON
Full-time
We are looking for a seasoned AI-first Senior Quality Engineer who is empowered to help the DevOps enablement team deliver the highest level of quality and is responsible for ensuring the…
Added 2 hours ago
Digital Solution Architect Lead Advisor
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NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society…
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Added 2 hours ago
Senior Full-Stack Software Engineer - AI-Native Engineering, Java & React
Kaseya
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Full-time
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Added 4 hours ago
Senior Full-Stack Software Engineer - AI-Native Engineering, Java & React
Kaseya Careers
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Added 4 hours ago
Senior Java Microservices Engineer
Publicis Groupe Holdings B.V
Calgary, AB
Full-time
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Added 4 hours ago
Senior Fabric Lead Data Engineer
Capgemini
Vancouver, BC
Full-time
Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible…
Added 5 hours ago
Senior Software Engineer
Okta
Toronto, ON
$136,000 to $187,000 CAD / year
Full-time
As a Senior Engineer on the OIG team, you will be involved into development, design, and maintenance of our product to serve enterprise customers at scale. You will involve the architecture…
Added 6 hours ago
Senior Software Engineer
Okta
Toronto, ON
As a Senior Engineer on the OIG team, you will be involved into development, design, and maintenance of our product to serve enterprise customers at scale. You will involve the architecture…
Added 9 hours ago
Senior Staff Cloud Security Engineer | Operational Technology | Office of CISO
ServiceNow
AB · Alberta, CANADA
Full-time
We employ the brightest and most forward-thinking Security Professionals on the planet. We have offices around the world and work as a global team. Come join the Office of the CISO and help…
Added 18 hours ago
Senior Technical Program Manager
CNN
Ottawa, ON · Kanata, ON
Full-time
Evaluate system architecture, service boundaries, API contracts, event flows, data models, cloud infrastructure, security constraints, reliability concerns, and integration risks well…
Added 19 hours ago
Senior Product Designer - Okta Privileged Access
Okta
Toronto, ON
We are looking for a talented Senior Product Designer who can help shape Okta’s expansive product portfolio by bringing exceptional craft and fresh perspective to the world of identity and…
Added 20 hours ago
Senior Data Platform Engineer - Zonda - Toronto, Ontario
CoStar
Toronto, ON
$140,000 to $170,000 CAD / year
Full-time
We are looking for a Senior Data Platform Engineer to design, automate, and operate the shared capabilities that underpin our enterprise data platform.
Added 20 hours ago
Principal Cloud & AI Apps Solution Engineer
Microsoft
Toronto, ON
Full-time
This is a senior individual contributor technical sales role with primary depth in AI & Apps and a broad leadership mandate across the Microsoft platform. You will lead strategic technical…
Added 20 hours ago
Senior Director, Data Center Facilities Development
Oracle
Canada
$193,600 to $414,400 USD / year
Full-time
The Oracle Cloud Infrastructure (OCI) Data Center Development organization leads the planning, design, and delivery of the next generation of Oracle’s global data center portfolio. We are…
Added 22 hours ago
Kubernetes Reliability Engineer
Roche
Mississauga, ON · Canada Pharma Campus
Full-time
You will be part of the global CaaS infrastructure team at a leading healthcare company, working with members across different regions. The team's mandate is to deliver, maintain, and…
Added 23 hours ago
Kubernetes Reliability Engineer
Roche
Mississauga, ON
Full-time
You will be part of the global CaaS infrastructure team at a leading healthcare company, working with members across different regions. The team's mandate is to deliver, maintain, and…
Added 1 day ago
Senior Software Engineer (Sanctions Service & AI Inference)
Mastercard
Vancouver, BC
Full-time
As a Senior Software/AI Engineer, you will design, develop and support business-critical software systems that operate at global scale. You will work closely with engineering, product,…
Added 1 day ago
Senior Security Engineer - Cloud Security
PagerDuty
Toronto, ON
Full-time
Senior Security Engineer - Cloud Security (Platform Engineering, Kubernetes & Identity)
Added 1 day ago
Senior Software Engineer in Test
Okta
Toronto, ON
The Senior Software Development Engineer in Test Opportunity
Added 1 day ago
Senior Software Engineer in Test
Okta
Toronto, ON
$118,000 to $162,000 CAD / year
Full-time
The Senior Software Development Engineer in Test Opportunity
Added 1 day ago
Senior Security Engineer - Cloud Security
PagerDuty
Toronto, ON
Senior Security Engineer - Cloud Security (Platform Engineering, Kubernetes & Identity)
Added 1 day ago
Jr. Software Engineer - Java, Angular, JavaScript
Motorola Solutions
Quebec, QC · Gatineau, QC · ON
Full-time
At Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We…

Dexian

Senior Java Software Engineer

Mississauga, ON, Canada

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

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Applications open in a new tab.

Original job description

Job Description:

Job Title: Senior Java Backend Developer

Location: Mississauga, ON (Hybrid)

Employment Type: Contract / Full-Time

Domain: Banking / Financial Services – Mandatory

Experience: 10+ Years

Position Summary

We are seeking an experienced Senior Java Backend Developer with 10+ years of software development experience and strong expertise in Java, Spring Boot, REST APIs, Microservices, and Cloud technologies. The ideal candidate must have solid experience working within the Banking/Financial Services domain and be capable of designing, developing, and supporting scalable enterprise-grade backend applications.

The candidate will work closely with architects, business analysts, product owners, and engineering teams to build highly available, secure, and scalable backend solutions for banking applications.

Key Responsibilities

Design, develop, and maintain high-performance backend applications using Java and Spring Boot.

Develop and integrate RESTful APIs and enterprise APIs for banking applications.

Design and implement Microservices-based architectures following industry best practices.

Develop scalable, resilient, and secure services for high-volume financial transactions.

Participate in the complete Software Development Life Cycle (SDLC) including requirements analysis, design, development, testing, deployment, and production support.

Collaborate with architects and technical leads to translate business requirements into technical solutions.

Design API contracts, service interfaces, data models, and integration patterns.

Implement exception handling, logging, monitoring, security, and performance optimization.

Work with relational and NoSQL databases and optimize SQL queries where required.

Develop applications using cloud-native technologies and deploy/manage services in cloud environments.

Work with CI/CD pipelines and support automated build, testing, and deployment processes.

Troubleshoot production issues, perform root cause analysis, and implement permanent fixes.

Conduct code reviews and ensure adherence to coding standards and engineering best practices.

Mentor junior and mid-level developers and contribute to technical knowledge sharing.

Work in an Agile/Scrum development environment.

Required Technical Skills

Core Java

10+ years of hands-on experience in Java development.

Strong knowledge of Java fundamentals, Collections, Multithreading, Exception Handling, JVM concepts, and Java 8+ features.

Strong understanding of object-oriented programming and design principles.

Experience with performance optimization and debugging of enterprise applications.

Spring Boot & Microservices

Strong hands-on experience with Spring Boot.

Extensive experience designing and developing Microservices.

Strong knowledge of Spring Framework, Spring MVC, Spring Data, and Spring Security.

Experience with service-to-service communication and distributed systems.

Understanding of resilience patterns, scalability, fault tolerance, and service discovery.

APIs

Strong experience developing REST APIs.

Experience with API design, API security, authentication, authorization, versioning, and documentation.

Experience with JSON, HTTP, OAuth2/JWT and API integration patterns.

Experience with API gateways such as Apigee, Kong, AWS API Gateway, or Azure API Management is a plus.

Cloud

Hands-on experience with at least one major cloud platform:

MS Azure

Cloud Platform (GCP)

Experience deploying and operating Java/Microservices applications in cloud environments.

Understanding of cloud-native architecture, containers, scalability, monitoring, and security.

Experience with Docker and Kubernetes is highly preferred.

Database

Strong SQL skills with databases such as Oracle, PostgreSQL, SQL Server, or DB2.

Experience with NoSQL databases such as MongoDB, Cassandra, or DynamoDB is a plus.

Experience with database optimization and transaction management.

DevOps & Engineering Tools

Experience with Git and CI/CD tools such as Jenkins, GitLab CI, Azure DevOps, or similar.

Exposure to Docker/Kubernetes and automated deployment.

Experience with application monitoring and logging tools is preferred.

Knowledge of Kafka or other messaging platforms is highly desirable.

Banking Domain – Mandatory

Candidates must have significant hands-on experience in the Banking / Financial Services domain.

Experience in one or more of the following areas is preferred:

Retail Banking

Commercial Banking

Corporate Banking

Payments

Credit / Lending

Cards

Capital Markets

Treasury

Trade Finance

Risk Management

Regulatory Reporting

AML / KYC

Transaction Processing

Account & Customer Management

Digital Banking

Financial Transaction Processing

The candidate should understand banking processes, financial transactions, security requirements, regulatory considerations, and enterprise integration patterns.

Preferred Qualifications

Bachelor's or Master's degree in Computer Science, Engineering, Information Technology, or related field.

Experience working with large-scale enterprise banking applications.

Experience with event-driven architecture and Kafka.

Knowledge of AWS/Azure cloud architecture.

Experience with Kubernetes/OpenShift.

Familiarity with CI/CD and DevOps practices.

Experience working in Agile/Scrum teams.

Strong communication and problem-solving skills.

Dexian stands at the forefront of Talent + Technology solutions with a presence spanning more than 70 locations worldwide and a team exceeding 10,000 professionals. As one of the largest technology and professional staffing companies and one of the largest minority-owned staffing companies in the United States, Dexian combines over 30 years of industry expertise with cutting-edge technologies to deliver comprehensive global services and support.

Dexian connects the right talent and the right technology with the right organizations to deliver trajectory-changing results that help everyone achieve their ambitions and goals. To learn more, please visit https://dexian.com/.

Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.

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More about this job

Responsibilities

Design, develop, and support secure, scalable, high-performance backend applications and microservices for banking, including REST APIs, integrations, and cloud deployments. Participate throughout the SDLC, troubleshoot production issues, optimize performance, review code, and mentor other developers.

Requirements

Requires 10+ years of hands-on Java development experience, strong expertise in Spring Boot, microservices, REST APIs, cloud technologies, and databases, plus significant banking or financial services experience. Candidates should also understand secure and resilient distributed systems and have experience with CI/CD; a relevant bachelor's or master's degree is preferred.

Skills

Java
Spring Boot
Microservices
REST APIs
Banking
Financial Services
Cloud Technologies
SQL
Spring Security
API Security
Docker
Kubernetes
CI/CD
Kafka
Agile/Scrum
Distributed Systems

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Spring Framework
Spring MVC
Spring Data
Spring Security
Microservices
REST APIs
OAuth2
JWT
AWS
Microsoft Azure
Google Cloud Platform
Docker
Kubernetes
OpenShift
Oracle
PostgreSQL
SQL Server
DB2
MongoDB
Cassandra
DynamoDB
Git
Jenkins
GitLab CI
Azure DevOps
Kafka
Agile/Scrum
Banking

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