Jobs in Waterloo

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Within 25 km of Waterloo

Added 13 mins ago
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Apptoza Inc.

Full Stack Engineer

Kitchener, ON, Canada

Contract

Within 25 km of Waterloo · About 6.6 km from the city centre

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Job details

Job type: Contract
Apply by: Dec 12, 2026
Work location: 📍 Location: Hybrid – 2 Days per Week in Office
Experience: 💼 Experience: 10+ Years
Posted: Nov 12, 2026

Original job description

Hi ,

Hope you are doing Great.

🚀 WE ARE HIRING | Full Stack Sr. Digital Developer

📍 Location: Hybrid – 2 Days per Week in Office

⏳ Duration: 12 Months Contract

💼 Experience: 10+ Years

We are looking for an experienced Full Stack Sr. Digital Developer with strong expertise in Java-based backend development, microservices architecture, distributed systems, and cloud technologies.

🔹 Must-Have Skills:

Java, Spring Boot & Microservices Architecture
REST APIs & API Development
Apache Kafka
PostgreSQL
Distributed Systems & System Design
AWS and/or Google Cloud Platform (GCP)
API Security – OAuth 2.0, JWT, TLS
Git, CI/CD Pipelines & Automated Testing
Production Support, Monitoring & Troubleshooting

🔹 Good to Have:

Redis & NoSQL Databases
Docker & Kubernetes
OpenTelemetry & Infrastructure as Code (IaC)
AWS Lambda / Google Cloud Functions
Node.js, JavaScript, TypeScript
React / Angular
SOAP/XML to REST & Event-Driven Architecture Modernization

Key Responsibilities:

Design, develop, and maintain scalable microservices and REST APIs.
Build integrations using REST, Kafka, SOAP, and XML.
Ensure application scalability, resiliency, performance, and data consistency.
Implement monitoring, logging, tracing, and alerting solutions.
Handle production support and troubleshoot complex technical issues.
Collaborate with business and technical teams throughout the SDLC.
Drive end-to-end delivery, from solution design to deployment and production support.

📩 Interested candidates: Please share your updated resume and contact number via DM.

📢 Feel free to share this opportunity with your network!

#Hiring #FullStackDeveloper #JavaDeveloper #SeniorDeveloper #DigitalDeveloper #Java #SpringBoot #Microservices #ApacheKafka #RESTAPI #PostgreSQL #AWS #GCP #Kubernetes #Docker #CloudComputing #ContractJobs #ITJobs

Regards

Rakesh Ummadi

Apptoza Inc

647-557-6949

Rakesh@apptoza.com

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More about this job

Responsibilities

Design, develop, and maintain scalable microservices and APIs, including integrations using REST, Kafka, SOAP, and XML. Improve application reliability and performance through monitoring and troubleshooting, and deliver solutions from design through deployment and production support in collaboration with business and technical teams.

Requirements

Requires 10+ years of experience and strong expertise in Java, Spring Boot, microservices, REST APIs, Kafka, PostgreSQL, distributed systems, and AWS and/or Google Cloud Platform. Candidates should also have experience with API security, CI/CD, automated testing, production support, monitoring, and troubleshooting.

Skills

Java
Spring Boot
Microservices Architecture
REST APIs
Apache Kafka
PostgreSQL
Distributed Systems
System Design
AWS
Google Cloud Platform
API Security
OAuth 2.0
JWT
CI/CD
Automated Testing
Production Support

Visa sponsorship

Not detected in the job text

Hiring contact

Rakesh Ummadi

Hiring contact email

Rakesh@apptoza.com

Keywords

Java
Spring Boot
Microservices Architecture
REST APIs
API Development
Apache Kafka
PostgreSQL
Distributed Systems
System Design
AWS
Google Cloud Platform
OAuth 2.0
JWT
TLS
Git
CI/CD Pipelines
Automated Testing
Production Support
Monitoring
Troubleshooting
Redis
NoSQL Databases
Docker
Kubernetes
OpenTelemetry
Infrastructure as Code
AWS Lambda
Google Cloud Functions
Node.js
TypeScript

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