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Added 6 days ago
TC
Full stack developer
Tata Consultancy Services
Toronto, ON
- $90,000 to $120,000 CAD / year
- Full-time
Strong backend development experience in Java or Python, including REST API and microservices.
Added 6 days ago
W
Java developer
W3Global
Mississauga, ON
- $100,000 to $120,000 CAD / year
- Full-time
Designing, developing, and maintaining high-performance, scalable microservices using Java 17 and Spring Boot framework
Added 6 days ago
JG
Sr Fullstack Developer
J&M Group
Toronto, ON
- Full-time
Java, Spring Boot, REST API, and HAPI FHIR development experience, including hands-on processing of FHIR R4 and DSTU2 resources in production-grade services.
Added 6 days ago
SL
Senior Software Engineer, Operations
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
- Full-time
Web services and frameworks such as SOAP, REST API, Java APIs, JSON
Added 6 days ago
KR
Java Software Engineer
KTek Resourcing
Toronto, ON
- Full-time
Job Description: Java Microservices Developer
Added 6 days ago
P
Intermediate Software Engineer
PointClickCare
Mississauga, ON
- Full-time
· Experience writing clean code that performs well at scale using Java
Added 6 days ago
S
Senior Technical Consultant
Staffbase
Toronto, ON
- $101,000 to $125,000 CAD / year
Solid web development knowledge (HTML/CSS) and proficiency in at least one language such as JavaScript, Java, PHP, or Node.js
Added 6 days ago
RT
Senior Software Engineer
Russell Tobin
Toronto, ON
- $80 to $85 CAD / hour
- Contract
Minimum 7 years of software development and enterprise application delivery experience (Java/React)
Added 6 days ago
B
Senior Integration Specialist
Bevertec
Toronto, ON
- Contract
Added 6 days ago
P
Intermediate Software Engineer
PointClickCare
Mississauga, ON
- $112,000 to $125,000 CAD / year
- Full-time
Experience writing clean code that performs well at scale using Java
Added 6 days ago
KR
Java Developer
KTek Resourcing
Toronto, ON
- Full-time
We are looking for a Java Developer with strong experience in Java 17, Spring Boot, Spring WebFlux, microservices, REST APIs, IBM MQ, and Apache Kafka. The role involves developing…
Added 6 days ago
SI
Staff Backend Engineer (Payments and Billing)
Scribd, Inc.
Toronto, ON · Vancouver, BC
- Full-time
Has strong coding ability in at least one modern backend language such as Ruby (preferred), Java, Go, or Python, with a focus on clean, maintainable, and secure code.
Added 6 days ago
FT
Senior Associate -Cyber Security Forward Deployed(Bilingual FR/EN)
FDE Times
Toronto, ON
- Full-time
…zero-trust networking. AppSec: Secure SDLC, SAST/DAST/SCA, API security, threat modeling, secure code review, secrets management, supply-chain…
Added 6 days ago
PG
Quality Engineer – AI Chatbot Validation
Pacer Group
Toronto, ON
- $40 to $45 CAD / hour
- Contract
Strong programming skills in Java, Python, Groovy, or equivalent languages, with 5+ years of hands-on experience.
Added 6 days ago
Q
Full Stack Software Developer (Java/React)
Querentia
Toronto, ON
- Contract
We are seeking an experienced Full Stack Software Developer with strong technical leadership capabilities and expertise in enterprise application development, Microsoft Dynamics 365, Power…
Added 6 days ago
C
Senior Java Full Stack Developer
Citi
Mississauga, ON
- Full-time
The JAVA Full Stack Senior Developer role is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and…
Added 6 days ago
S
Senior Full Stack Developer
StafinGo
Toronto, ON
- $85 to $100 CAD / hour
- Contract
Java, Spring Boot, REST API, and HAPI FHIR development experience, including hands-on processing of FHIR R4 and DSTU2 resources in production-grade services.
Added 7 days ago
M
RQ11598 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
Additional Skills for Oracle Software Developer:
Added 7 days ago
B
Software Developer - Full Stack - Senior (Java exp with Healthcare FHIR.HL7 experience)
Bevertec
Toronto, ON
- Contract
Job Role: Software Developer - Full Stack - Senior (Java exp with Healthcare FHIR.HL7 experience)
Added 7 days ago
TT
Architect / Lead - Application Modernization - Bilingual
Tech Talent International
Montreal, QC
- $150,000 to $165,000 CAD / year
- Full-time
Added 7 days ago
A
Backend Java Developer
Astek
Montreal, QC
- Full-time
Very strong knowledge of core Java: class loading, garbage collection, Java collections API, Reflections API, Java 8 Streams and Functional Programming
Added 7 days ago
T
Java Software Engineer
ThoughtStorm
Toronto, ON
- $100 to $110 CAD / hour
- Contract
Java, Spring Boot, REST API, and HAPI FHIR development experience, including hands-on processing of FHIR R4 and DSTU2 resources in production-grade services.
Added 7 days ago
B-
Software & IT Specialist
BGES - Big Guns Energy Services Inc.
Calgary, AB
- Full-time
Strong programming skills, preferably including Python and Java, with experience in other programming languages are considered an asset.
Added 7 days ago
M
RQ11556 - Software Developer - Full Stack - Senior
Maarut
Toronto, ON
- Contract
constructed API Knowledge and experience in design and implementation of
Added 7 days ago
M
RQ11720 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
Experience building automated unit, integration, API,

KTek Resourcing

Java Software Engineer

Toronto, ON, Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Apply by: Nov 20, 2026
Posting language: English
Posted: Oct 21, 2026

Original job description

Job Description: Java Microservices Developer

Job Responsibilities

Designing, developing, and maintaining high-performance, scalable microservices using Java 17 and the Spring Boot framework.
Building reactive and non-blocking applications using Spring WebFlux to handle high-concurrency workloads efficiently.
Developing and consuming RESTful APIs, following industry best practices and ensuring proper documentation.
Implementing event-driven architecture using IBM MQ and Apache Kafka for seamless asynchronous communication between services.
Collaborating with cross-functional teams, including frontend developers, architects, and product owners, to deliver end-to-end solutions.
Writing clean, maintainable, and well-documented code while adhering to coding standards and best practices. Participating in code reviews, providing constructive feedback, and ensuring code quality across the team.
Troubleshooting production issues, performing root cause analysis, and implementing effective fixes.
Contributing to continuous improvement initiatives by identifying opportunities for optimization and automation.

Skill Matrix

Mandatory Skills

1. Java 17

Expert-level understanding of Java 17 features, including records, sealed classes, pattern matching, and enhanced switch expressions.

2. Spring Boot

Strong hands-on experience in building production-grade applications using Spring Boot.

3. Spring WebFlux

Proficiency in developing reactive, non-blocking applications using Spring WebFlux and Project Reactor.

4. REST APIs

Expertise in designing, developing, and securing RESTful APIs, with proper versioning and error handling.

5. Microservices

Solid experience in microservices architecture, including service discovery, API gateways, circuit breakers, and distributed tracing.

6. IBM MQ

Hands-on experience with IBM MQ for enterprise messaging and integration.

7. Apache Kafka

Strong knowledge of Kafka for building event-driven systems, including producers, consumers, and stream processing.

Good-to-Have Skills

1. MongoDB

Experience with MongoDB for NoSQL database design, queries, and aggregation pipelines.

2. AWS Cloud

Familiarity with AWS services such as EC2, S3, Lambda, ECS, and RDS.

3. OpenShift

Experience deploying and managing applications on OpenShift or similar container platforms.

4. Kubernetes

Knowledge of Kubernetes for container orchestration, deployments, and scaling.

5. Helm

Experience with Helm charts for Kubernetes application packaging and deployment.

6. Harness

Familiarity with Harness for continuous delivery and deployment automation.

7. Git & Bitbucket

Proficiency in version control using Git and collaboration via Bitbucket.

8. JIRA

Experience using JIRA for Agile project management and issue tracking.

9. Gradle

Hands-on experience with Gradle for build automation and dependency management.

10. Lightspeed

Familiarity with Lightspeed for development acceleration.

11. Kibana

Experience with Kibana for log visualization, monitoring, and troubleshooting.

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More about this job

Responsibilities

Design, develop, and maintain scalable Java microservices and reactive applications, including REST APIs and event-driven integrations using IBM MQ and Apache Kafka. Collaborate across teams, uphold code quality through reviews and documentation, troubleshoot production issues, and contribute to optimization and automation.

Requirements

Requires expert-level Java 17 knowledge and strong hands-on experience with Spring Boot, Spring WebFlux, REST APIs, microservices architecture, IBM MQ, and Apache Kafka. Additional desired experience includes MongoDB, AWS, OpenShift, Kubernetes, Helm, Harness, Git and Bitbucket, JIRA, Gradle, Lightspeed, and Kibana.

Skills

Java 17
Spring Boot
Spring WebFlux
Project Reactor
REST APIs
Microservices
IBM MQ
Apache Kafka
MongoDB
AWS
OpenShift
Kubernetes
Helm
Harness
Git
Gradle

Visa sponsorship

Not detected in the job text

Keywords

Java 17
Spring Boot
Spring WebFlux
Project Reactor
Reactive Applications
REST APIs
API Security
Microservices
Service Discovery
API Gateways
Circuit Breakers
Distributed Tracing
IBM MQ
Apache Kafka
Event-Driven Architecture
MongoDB
AWS
OpenShift
Kubernetes
Helm
Harness
Git
Bitbucket
JIRA
Gradle
Lightspeed
Kibana
Root Cause Analysis
Continuous Improvement
Agile

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