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Sr Full stack Developer - Java, Spring Boot — Aviva, markham (Hiring Now)

Sr Full stack Developer Java, Spring Boot



Job description

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.

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 NpSql 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, TypeScript 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 & DevOps: Deploy and operate on AWS (ECS, EC2, S3, Lambda, API Gateway, Cloudfront, CloudWatch).

Implement CI/CD (Jenkins/GitLab CI/AWS CodePipeline) and containerization with Docker.

Use IaC (CloudFormation/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 (PostgreSQL/MySQL); ORM and query optimization; NoSQL (MongoDB/DynamoDB) a plus.

Messaging (Kafka, RabbitMQ, AWS SQS/SNS); WebFlux/reactive knowledge preferred.

Frontend: Angular 17+, TypeScript; 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; GraphQL; Serverless (Lambda).

Monitoring (CloudWatch/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 factors such as job-related knowledge, skills and experience, as well as internal equity.

Compelling rewards package including base compensation, eligibility for annual bonus, retirement savings, share plan, health benefits, personal wellness, and volunteer opportunities.

Outstanding Career Development opportunities.

We’ll support your professional development education.

Competitive vacation package with the option to purchase 5 extra days off per year.

Employee driven programs focused on gender, LGBTQ+, origins, diversity, and inclusion.

Corporate wellness programs to support our employees’ physical and mental health.

Hybrid flexible work model.

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Required Skill Profession

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