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Added 16 hours ago
FG
Software Developer | Banking & Capital Markets
FDM Group
Toronto, ON
- Contract
Full-stack development: React or Angular alongside backend development.
Added 17 hours ago
TI
Full Stack Developers
Teckhorizon Inc
Toronto, ON
- Contract
Our Client is looking for experienced Senior Full Stack Developers to support enterprise healthcare integration initiatives involving FHIR Subscription, SubscriptionTopic, and event-driven…
Added 17 hours ago
I
Software Developer - Full Stack - Senior (Health)
isgSearch
Toronto, ON · Greater Toronto Area, Canada
- Full-time
We are seeking two Senior Full Stack Developers to enhance healthcare applications and integration's The focus is on replacing scheduled polling with event-driven processing so applications…
Added 17 hours ago
RT
Sr. Software Developer - Full Stack
Russell Tobin
Toronto, ON
- $90 to $95 CAD / hour
- Contract
Job Title: Sr. Software Developer - Full Stack
Added 18 hours ago
C
VP Senior Software Engineer – Java & Distributed Systems
Citi
Mississauga, ON
- Full-time
We're looking for a senior engineer who thinks clearly across the full product development lifecycle, from design through to production, and brings an AI-first mindset to how they work.
Added 19 hours ago
L
Senior Full Stack Developer (Java/React)
Luxoft
Toronto, ON
- Contract
7+ years of experience with Java in enterprise systems
Added 20 hours ago
RE
Full Stack Developer – Java/JS
Randstad Enterprise
Montreal, QC
- Contract
We're seeking someone to join our Risk and Information Management team as a Full Stack Developer with experience on multi-tiered Java EE-style applications and Front-End technologies. The…
Added 23 hours ago
Senior Backend Product Engineer, Menu Operations
HelloFresh
Toronto, ON
Full-stack capability with React or another modern FE framework a plus - enough to support and enhance application
Added 1 day ago
AT
Senior Java Full Stack Developer
Aarorn Technologies Inc
Toronto, ON
- $52 CAD / hour
- Contract
We are seeking a Senior Java Full Stack Developer to design and deliver scalable enterprise applications within a complex financial-services environment. The role will focus on Java and…
Added 1 day ago
AT
Java Developer
Aarorn Technologies Inc
Montreal, QC
- $50 CAD / hour
- Contract
We're seeking someone to join our Risk and Information Management team as a Full Stack Developer with experience on multi-tiered Java EE-style applications and Front-End technologies. The…
Added 1 day ago
A
Full Stack Software Developer
ATB
Calgary, AB · Edmonton, AB
- Full-time
Full stack programming frameworking & languages - Coding in languages (Java, Springboot; etc.) using one or more frameworks (Symfony; Play; Spark; Django; Ruby on Rail; Zend etc.)
Added 1 day ago
RI
Senior Forward Deployed Engineer - Java/ Python | Capital Markets
Rose International
Mississauga, ON
- Full-time
4+ years of professional software engineering experience, with demonstrable experience as a Full-Stack Developer transitioning into a customer-facing, Forward Deployed Engineer (FDE)-style…
Added 1 day ago
RI
Senior Full-Stack Java Developer (Kafka/ Angular)
Rose International
Mississauga, ON
- Full-time
Seeking a Senior Full Stack Java Developer to join a technology team supporting applications and digital solutions within the Banking / Financial Services domain.
Added 1 day ago
K
Software Engineer
Kelly
Mississauga, ON
- Contract
Role Overview: Senior Forward Deployed Engineer with strong Java and Python expertise to build and deploy production-grade solutions for Fintech clients in the Spread Products domain. This…
Added 1 day ago
Software Engineer 3, Identity and Access Management
MongoDB
Toronto, ON
…workloads, embrace innovation, and unleash AI. Our industry-leading developer data platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available in more…
Added 1 day ago
M
Senior Full Stack Developer (Java/React)
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 1 day ago
MM
Senior Forward Deployed Engineer
Mitchell Martin Inc.
Mississauga, ON
- $62 to $67 CAD / hour
- Other
4+ years of software engineering experience, with a focus on full-stack development and client delivery roles.
Added 1 day ago
T
JAVA full stack DEVELOPER || Canada
TestingXperts
Toronto, ON
- Contract
We are seeking an experienced Full Stack Java Lead to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate…
Added 1 day ago
RI
Senior Full Stack Engineer - Java / AI
Rose International
Mississauga, ON
- Full-time
Strong back-end Java skills with some front-end experience.
Added 1 day ago
D
Java Full Stack Developer
Dexian
Toronto, ON
- Contract
We are seeking experienced Java Developers and Technical Architects to design, develop, and modernize enterprise applications. Candidates should have strong expertise in Java, Spring Boot,…
Added 1 day ago
FI
Full Stack Engineer
Flexton Inc.
Toronto, ON
- Full-time
Experience with Java/Spring MVC, JavaScript , Jenkins (CI/CD) experience Strong in DS/Algorithms, React, HTML5 knowledge, NodeJS/ Java Script, working with data (Oracle/NoSQL),
Added 1 day ago
A
Full Stack Engineer
Aptonet
Vancouver, BC
- Full-time
3+ years of experience with Java and its idioms and design patterns
Added 2 days ago
M
Senior Full Stack Developer (Java/React)
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 2 days ago
RI
Senior Full-Stack Java Developer (Front-Office / Capital Markets)
Rose International
Mississauga, ON
- Full-time
8+ years of professional software engineering experience, with demonstrable experience as a Full-Stack Developer transitioning into a Forward Deployed Engineer-style, customer-facing…
Added 2 days ago
TI
JAVA FULL STACK DEVELOPER
Tekgence Inc
Mississauga, ON
- Full-time
Java FSD + UI •9 to 10 only years of relevant experience in Apps Development roles • Proven full-stack development expertise with hands-on experience in Java, Angular/React, and REST APIs.…

Aarorn Technologies Inc

Senior Java Full Stack Developer

Toronto, ON, Canada

$52 CAD / hour · Contract

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Job details

Pay: $52 CAD / hour
Job type: Contract
Apply by: Apr 26, 2027
Posting language: English
Posted: Oct 28, 2026

Original job description

Job Title: Senior Java Full Stack Developer

Location: Toronto, ON (4x onsite a week)

Employment Type: Contract

Pay Rate: CAD$52/HR INC

Interview Type: Face 2 Face (Onsite Interview Only)

We are seeking a Senior Java Full Stack Developer to design and deliver scalable enterprise applications within a complex financial-services environment. The role will focus on Java and Spring Boot microservices, Angular or React user interfaces, REST APIs, Kafka-based event processing, cloud platforms, and containerized deployments.

The ideal candidate will have experience building secure, high-volume applications and collaborating across architecture, product, quality engineering, DevOps, and support teams.

Key Responsibilities

Design, develop, and enhance Java and Spring Boot microservices.

Build responsive web interfaces using Angular or React.

Develop secure and reusable RESTful APIs for enterprise integrations.

Implement synchronous and event-driven integrations using REST and Apache Kafka.

Support client, account, transaction, payment, and preference-processing workflows.

Design services using microservices, event-driven, and domain-driven architecture principles.

Develop automated unit, functional, integration, and performance tests.

Create mock services and event simulators for end-to-end testing.

Perform application performance testing and troubleshoot latency or throughput issues.

Deploy and support applications on OpenShift, Kubernetes, or AWS container platforms.

Develop and maintain CI/CD pipelines using Jenkins and GitHub Actions.

Implement authentication and authorization using OAuth 2.0, JWT, Spring Security, and token-based access controls.

Monitor distributed applications using Prometheus, Grafana, and application logs.

Optimize MongoDB and PostgreSQL queries, indexes, and data-access patterns.

Participate in Agile planning, design reviews, code reviews, production releases, and incident resolution.

Identify application defects, security vulnerabilities, and opportunities for technical improvement.

Required Skills

Strong hands-on development experience with Java 8 or later.

Advanced experience with Spring Boot, Spring MVC, Hibernate, and microservices.

Experience developing REST APIs and distributed backend services.

Hands-on experience with Angular or React, JavaScript, TypeScript, HTML, and CSS.

Experience with Apache Kafka and asynchronous message processing.

Experience with PostgreSQL and MongoDB.

Experience deploying applications using Docker, Kubernetes, or OpenShift.

CI/CD experience with Jenkins, GitHub Actions, Git, Maven, or Gradle.

Experience with OAuth 2.0, JWT, and Spring Security.

Experience with JUnit, Postman, and performance-testing tools.

Understanding of Agile delivery and the software development lifecycle.

Preferred Skills

Experience with AWS services and EKS or ECS.

Experience working within banking, payments, financial services, or another regulated industry.

Familiarity with PCI-DSS-aligned application controls.

Experience implementing Prometheus and Grafana monitoring.

Exposure to fraud detection, anomaly detection, or risk analytics integrations.

Knowledge of Redis and performance-testing tools such as JMeter.

Education and Certifications

Bachelor s degree in Computer Science, Engineering, or a related field.

AWS certification is considered an asset.

Disclaimer: AI tools may assist in the recruitment process; however, all hiring decisions are made by the recruitment team based on a comprehensive evaluation of candidates.

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More about this job

Responsibilities

Design and develop Java/Spring Boot microservices, responsive web interfaces, secure REST APIs, and Kafka-based integrations for enterprise financial-services workflows. Test, deploy, monitor, and optimize distributed applications while collaborating across teams on releases, reviews, and incident resolution.

Requirements

Candidates need strong Java 8+ development experience, advanced Spring Boot and microservices expertise, and hands-on experience with a frontend framework such as Angular or React. They should also have experience with Kafka, PostgreSQL and MongoDB, container platforms, CI/CD, security, testing, and Agile delivery; a bachelor's degree is specified, and AWS certification is an asset.

Skills

Java
Spring Boot
Microservices
Angular
React
REST APIs
Apache Kafka
PostgreSQL
MongoDB
Docker
Kubernetes
OpenShift
CI/CD
OAuth 2.0
JWT
Spring Security

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Spring MVC
Hibernate
Microservices
Angular
React
JavaScript
TypeScript
REST APIs
Apache Kafka
PostgreSQL
MongoDB
Docker
Kubernetes
OpenShift
AWS
EKS
ECS
Jenkins
GitHub Actions
Maven
Gradle
OAuth 2.0
JWT
Spring Security
JUnit
Prometheus
Grafana
PCI-DSS

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