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Sr Full stack Developer - Java, Boot

Job in Markham, Ontario, I3P, Canada
Listing for: Aviva Canada
Full Time position
Listed on 2026-06-02
Job specializations:
  • Software Development
    Java Developer, Cloud Engineer - Software, Full Stack Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 145000 CAD Yearly CAD 120000.00 145000.00 YEAR
Job Description & How to Apply Below
Position: Sr Full stack Developer - Java, Spring Boot

Individually we are people, but together we are Aviva. Individually these are just words, but together they are our Values - Care, Commitment, Community, and Confidence.

At Aviva Canada
, we put people first, our employees, our customers, and our communities. We're proud of a culture built on care, inclusion, and collaboration, where your voice matters and your growth is supported. We're not just about insurance; we're about making a real difference by protecting what matters most.

We are seeking a Full stack Developer with strong backend expertise to design, develop, and govern enterprise-grade applications. This role emphasizes Java 17/21 and Spring Boot 3.x,
Angular/React microservices architecture, and AWS cloud deployment, while ensuring compliance with technical standards, governance, risk management, and driving continuous improvement.

What You’ll Do Backend Development (Primary Focus)
  • Build scalable, high-performance RESTful APIs using Java 17/21 and Spring Boot 3.x.
  • Architect and implement microservices with Spring Cloud (Gateway, Config, Discovery).
  • Implement security using Spring Security 6.x (OAuth2, JWT, RBAC), with structured logging and robust error handling.
  • Design and optimize schemas; tune queries with Spring Data JPA/Hibernate 6.x for Postgre

    SQL DB.
  • Apply caching (Redis/Caffeine) where needed.
  • Write unit/integration tests (JUnit 5, Mockito, Testcontainers) and ensure performance/availability (health checks, DR).
  • Drive technical governance, code quality, and adherence to architecture standards; lead root-cause analysis for production incidents.
Frontend Development
  • Develop responsive UIs with Angular 17+ or React, Type Script 5.x, HTML5, SCSS, and Material UI.
  • Integrate backend APIs; handle async workflows with RxJS and adopt state management (NgRx or Signals).
  • Ensure UI quality with unit tests (Jest/Jasmine) and e2e tests (Cypress).
Cloud & Dev Ops
  • Deploy and operate on AWS (ECS, EC2, S3, Lambda, API Gateway, Cloudfront, Cloud Watch).
  • Implement CI/CD (Jenkins/Git Lab CI/AWS Code Pipeline) and containerization with Docker.
  • Use IaC (Cloud Formation/Terraform); monitor and optimize cost/performance.
Collaboration & Best Practices
  • Participate in code reviews; maintain coding standards and clear technical documentation.
  • Collaborate with Product, Design, QA; work in Agile/Scrum and contribute to roadmap/architecture.
  • Champion continuous improvement and process innovation to drive quality and efficiency.
What You’ll Bring
  • Expert-level Java 17/21 & Spring Boot 3.x; deep Spring ecosystem (MVC, Data JPA, Security 6.x).
  • Strong microservices architecture with Spring Cloud; REST API design best practices.
  • RDBMS expertise (Postgre

    SQL/MySQL); ORM and query optimization;
    No

    SQL (Mongo

    DB/Dynamo

    DB) a plus.
  • Messaging (Kafka, Rabbit

    MQ, AWS SQS/SNS);
    Web Flux/reactive knowledge preferred.
  • Frontend:
    Angular 17+, Type Script;
    RxJS/Signals; modern build tooling.
  • Cloud & Infra: AWS hands-on, Docker;
    Git; CI/CD practices.
  • Experience:

    2–4 years professional Java backend development building production systems.
  • Soft skills:

    problem-solving, debugging, communication, teamwork.
Preferred Qualifications
  • AWS certifications;
    Kubernetes/ECS;
    Graph

    QL;
    Serverless (Lambda).
  • Monitoring (Cloud Watch/New Relic/Datadog);
    Elasticsearch;
    Redis/caching.
  • Understanding of distributed systems and microservice patterns.
What Makes You Stand Out
  • Proactive 'can do' attitude; strong verbal and written communication with IT and Business stakeholders.
  • In-depth platform experience with practical experience gained over at least a 10 year period.
  • Significant knowledge of Application Support and Development processes and techniques including CI, TDD, BDD.
  • Propose innovative solutions or alternative approaches to difficult issues.
  • Proven record in delivering technical solutions across run and or change within this Platform.
  • Experience working with Global Sourcing partners and developing solutions which improve the customer experience.
  • Proven knowledge of Technical platforms, software engineering practices and system management methodologies.
What You’ll Get
  • The salary band for this position ranges from $120,000 to $145,000. Please note that individual salary is determined by…
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