Senior Full-Stack Java/Angular Engineer - Hybrid Toronto

Apptoza Inc.; Toronto; Hybrid; CAD 110,000 - 150,000; Full time

Job summary

Apptoza Inc. in Toronto, ON seeks a Senior Full Stack Developer (Angular/Java) to join a hybrid team building customer-facing web apps and scalable backend services. You will design, implement, and operate high-scale APIs and front-end applications using Angular and Java, contributing across the software lifecycle.

The role emphasizes REST/GraphQL APIs, microservices, Kafka integrations, and secure coding practices, with a focus on CI/CD, testing, and collaboration in an Agile environment.

Qualifications

• 8+ years professional software development experience building web applications and backend services.
• Hands-on experience with Node.js and developing full-stack solutions (MEAN or similar stacks).
• Proven experience designing and developing RESTful APIs and GraphQL APIs.
• Experience with message-based systems (Kafka) and in-memory stores (Redis).
• Solid knowledge of relational databases (Postgres/SQL) and schema design.
• Experience containerizing and running apps in cloud platforms and PaaS (Docker, OpenShift, Kubernetes preferred).
• Familiarity with API specifications and tooling (OpenAPI/Swagger); experience troubleshooting and testing APIs.
• Practical experience with authentication and authorization protocols (OAuth2.0, JWT, OIDC) and certificate management.
• Demonstrated experience with CI/CD pipelines, automated testing and release management.
• Hands-on experience using AI models or integrating ML/AI capabilities into applications.

Responsibilities

• Build and maintain client-facing Angular applications and backend services across the full development lifecycle.
• Design and implement RESTful and GraphQL APIs, microservices, and integrations with messaging platforms such as Kafka.
• Write high quality, tested code with automated unit, integration and end-to-end tests; champion test automation and CI/CD.
• Collaborate within an Agile product team to deliver customer-focused solutions.
• Automate development pipelines and operational runbooks to reduce time-to-market and improve reliability.
• Ensure performance, scalability and resiliency of services with caching, load balancing and fault tolerance.
• Apply security best practices (JWT, OAuth2/OIDC, TLS/SSL) and secure coding standards.
• Stay current with new technologies and propose pragmatic adoption strategies.
• Communicate technical decisions clearly to both technical and non-technical stakeholders.

Skills

Angular

Java

Spring Boot

REST APIs

GraphQL

Kafka

SQL

OpenShift

JWT/OIDC

DevOps

AI/ML models

Tools

Docker

Kubernetes

OpenShift

Job description

Apptoza Inc. in Toronto, ON seeks a Senior Full Stack Developer (Angular/Java) to join a hybrid team building customer-facing web apps and scalable backend services. You will design, implement, and operate high-scale APIs and front-end applications using Angular and Java, contributing across the software lifecycle.

The role emphasizes REST/GraphQL APIs, microservices, Kafka integrations, and secure coding practices, with a focus on CI/CD, testing, and collaboration in an Agile environment.