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Added 1 day ago
UG
26ELM229 - Long Term Occasional - Core French - 0.5FTE
Upper Grand District School Board
Orangeville, ON
- Full-time
Ready to make a difference? Candidates are invited to submit their application through . As part of the application process, a minimum of two (2) professional supervisory references are…
Added 1 day ago
WR
After School Support - LTO - 12.5 hrs per week
Waterloo Region District School Board
Waterloo, ON
- Full-time
…sites. WRDSB is committed to creating learning environments that support the achievement and well-being of all students through partnering with staff, parents, families, caregivers and…
Added 1 day ago
FI
Event Coordinator
FP Inc.
Toronto, ON
- Contract
An Initial AI Screening will be conducted for this role. Please Click Here to complete your AI screening while submitting your application.
Added 1 day ago
HC
Technical Director
Harbourfront Centre
Toronto, ON
- Full-time
…as commercial businesses that generate essential revenue to support…
Added 1 day ago
VH
RN/RPN - Adult Visiting Program (Central)
VHA Home HealthCare
Toronto, ON · North York, ON
- Full-time
We are seeking three Registered Nurses (RNs) or Registered Practical Nurses (RPNs) to support our Adult Visiting Program in the Central (North York) region.
Added 1 day ago
WR
After School Support - LTO - 10 hrs per week
Waterloo Region District School Board
Kitchener, ON
- Full-time
…sites. WRDSB is committed to creating learning environments that support the achievement and well-being of all students through partnering with staff, parents, families, caregivers and…
Added 1 day ago
SD
26-042E-2 - Temporary Counselling Teacher
School District No. 78 (Fraser-Cascade)
Agassiz, BC
- Temporary
This position will provide counselling support and teach 1 block Grade 9 English
Added 1 day ago
SS
Intermediate Vision Integrator
Samuel, Son & Co.
Waterloo, ON
- Full-time
- Evaluate application requirements and recommend appropriate vision hardware, optics, lighting, cameras, and software solutions.
Added 1 day ago
RI
Senior SDET – iOS Automation (Xcode, XCUI, Python/Java)
Raas Infotek
Vancouver, BC
- Contract
Looking for an SDET – Mobility (IOS) Engineer. The team is responsible for application architecture, development and innovation of new feature development to support consumer solutions. In…
Added 1 day ago
RI
SDET/Automation – Mobility (iOS Application Testing)
Raas Infotek
Vancouver, BC
- Contract
Looking for an SDET – Mobility (IOS) Engineer. The team is responsible for application architecture, development and innovation of new feature development to support consumer solutions. In…
Added 1 day ago
HD
Specialized Behaviour Support Worker
Halton District School Board
Burlington, ON
- Full-time
Position: 1.0 Full Time Temporary Specialized Behaviour Support Worker
Added 1 day ago
NS
Senior Java Developer
N2P Systems
Mississauga, ON
- Full-time
Support CI/CD pipelines, application deployments, and production troubleshooting.
Added 1 day ago
KP
Research Assistant - Competition ID: 4875
Kwantlen Polytechnic University
Richmond, BC
- Temporary
…faculty member at Kwantlen Polytechnic University, and will help support, plan, and execute a research project or initiative. The Research Assistant may be part of an interdisciplinary…
Added 1 day ago
MI
Privacy Impact Assessment ( healthcare) 7+years of experience
Maarut Inc
Toronto, ON
- Contract
Familiarity with Application Programming Interface (API) functionality and management
Added 1 day ago
UG
26ELM228- Long Term Occasional - Kindergarten & Planning - 0.8FTE
Upper Grand District School Board
Guelph, ON
- Full-time
Ready to make a difference? Candidates are invited to submit their application through . As part of the application process, a minimum of two (2) professional supervisory references are…
Added 1 day ago
MS
Dynamics 365 Consultant
Marberg Staffing
Toronto, ON · North York, ON
- $80 to $90 CAD / hour
- Temporary
Provide Level 2 and Level 3 application support for Microsoft Dynamics 365 Finance & Operations.
Added 1 day ago
RI
SDET - Mobility (IOS testing)
Raas Infotek
Vancouver, BC
- Contract
Looking for an SDET – Mobility (IOS) Engineer. The team is responsible for application architecture, development and innovation of new feature development to support consumer solutions. In…
Added 1 day ago
RI
Senior Cloud Engineer
Raas Infotek
Toronto, ON · Scarborough, ON
- Contract
Manage and support AWS services including EC2, S3, Lambda, VPC, IAM, CloudWatch, and related cloud components.
Added 1 day ago
RI
Senior SDET – iOS Automation (Xcode, XCUI, Python/Java)
Raas Infotek
Vancouver, BC
- Contract
Looking for an SDET – Mobility (IOS) Engineer. The team is responsible for application architecture, development and innovation of new feature development to support consumer solutions. In…
Added 1 day ago
MF
Financial Data & BI Analyst
MTY Food Group
Richmond Hill, ON
- Full-time
…responsible for building and managing Power BI solutions that support the FP&A team in analyzing business trends that drive company profitability. The individual will report to the Sr. VP…
Added 1 day ago
RI
SDET/Automation – Mobility (IOS Applications)
Raas Infotek
Vancouver, BC
- Contract
Looking for an SDET – Mobility (IOS) Engineer. The team is responsible for application architecture, development and innovation of new feature development to support consumer solutions. In…
Added 1 day ago
K
Assistant Store Manager - McArthurGlen
Knix
Richmond, BC
- $51,200 to $56,900 CAD / year
- Full-time
Career Advancement - Knix keeps growing and we offer continuous development opportunities to support your career advancement!
Added 1 day ago
RV
Divisional Complexity Teacher - Learning Supports
Rocky View Schools
Airdrie, AB
- Full-time
…values of Leadership, People, Community and Innovation, and support our vision that RVS is a world-class learning organization where all students achieve their absolute…
Added 1 day ago
MC
Senior Estimator - Electrical Utilites
MatchBox Consulting Group
Leduc, AB
- Full-time
Support the estimating team with electrical construction knowledge and expertise
Added 1 day ago
5
Personal Financial Administrator - FM HUB
5f8c562c-cfbb-4305-a8d0-7f42f645f6ba
AB
- Full-time
2+ years of experience working with vulnerable populations, in a coaching or life skills support role.

N2P Systems

Senior Java Developer

Mississauga, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Nov 26, 2026
Posting language: English
Posted: Oct 27, 2026

Original job description

We are seeking an experienced Java Developer with strong hands-on expertise in Java, Spring Boot, microservices architecture, MongoDB, and Apache Kafka.

The ideal candidate will have experience designing and developing scalable enterprise applications, building RESTful APIs, optimizing database performance, and integrating distributed systems. You will collaborate with architects, business analysts, QA engineers, and DevOps teams to deliver reliable, secure, and high-performance software solutions.

Key Responsibilities

Design, develop, and maintain Java-based microservices using Java and Spring Boot.
Build and maintain RESTful APIs following enterprise architecture and design standards.
Implement microservices architecture, including service decomposition and API contract design.
Develop and optimize SQL queries for transactional and reporting requirements.
Design and manage MongoDB schemas, document models, indexes, and aggregation pipelines.
Develop and maintain Kafka producers and consumers, with an understanding of partitioning and message processing.
Integrate applications with upstream and downstream systems using REST APIs and messaging technologies.
Ensure high availability, scalability, performance, and reliability of microservices.
Implement exception handling, logging, monitoring, and application resilience patterns.
Collaborate with Business Analysts, Architects, QA, and DevOps teams.
Participate in code reviews, unit testing, defect resolution, and technical discussions.
Support CI/CD pipelines, application deployments, and production troubleshooting.
Follow secure coding practices and enterprise compliance standards.

Required Technical Skills

Java: Strong hands-on development experience with Java 8, 11, or 17.
Spring Framework: Experience with Spring Boot, Spring MVC, and Spring Data.
Microservices: Strong understanding of microservices architecture, service decomposition, and API contracts.
REST APIs: Experience developing RESTful services using JSON, OpenAPI, and Swagger.
Apache Kafka: Experience with Kafka producers, consumers, and partitioning.
MongoDB: Experience with document modeling, indexing strategies, aggregation framework, CRUD operations, and query performance tuning.
SQL: Experience writing and optimizing SQL queries for transactional and reporting use cases.
Cloud and Containers: Experience with OpenShift and/or AWS.
System Integration: Experience integrating applications with upstream and downstream systems.

Preferred Qualifications

Experience with event-driven architecture and distributed systems.
Familiarity with CI/CD pipelines, application monitoring, and production support.
Experience implementing application resilience, observability, and performance optimization practices.
Knowledge of secure coding practices and enterprise application development standards.

Experience Requirements

9–12 years of professional software development experience.
Strong analytical, debugging, and problem-solving skills.
Experience developing and supporting scalable enterprise applications.
Ability to collaborate effectively with cross-functional technical and business teams.

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More about this job

Responsibilities

Design, develop, and maintain Java and Spring Boot microservices, REST APIs, and integrations using Kafka, MongoDB, and SQL. Improve application scalability, reliability, security, and performance while collaborating across teams and supporting testing, deployments, and production troubleshooting.

Requirements

Requires 9–12 years of software development experience, strong Java and Spring expertise, and experience with microservices, REST APIs, Kafka, MongoDB, SQL, and cloud or container platforms such as OpenShift or AWS. Candidates should have experience building scalable enterprise applications and strong analytical, debugging, problem-solving, and cross-functional collaboration skills.

Skills

Java
Spring Boot
Spring MVC
Spring Data
Microservices Architecture
RESTful APIs
Apache Kafka
MongoDB
SQL
OpenShift
AWS
System Integration
Distributed Systems
CI/CD
Application Monitoring
Secure Coding

Visa sponsorship

Not detected in the job text

Keywords

Java 8
Java 11
Java 17
Spring Boot
Spring MVC
Spring Data
Microservices Architecture
Service Decomposition
API Contracts
REST APIs
JSON
OpenAPI
Swagger
Apache Kafka
Kafka Producers
Kafka Consumers
Partitioning
MongoDB
Document Modeling
Aggregation Framework
SQL
OpenShift
AWS
Event-Driven Architecture
Distributed Systems
CI/CD
Application Resilience
Observability
Performance Optimization
Secure Coding

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