Sr Full stack Developer - Java, Spring Boot

Aviva•Markham, ON

5d•CA$120,000 - CA$145,000•Hybrid

About The Position

Aviva Canada is 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. The company prides itself on a culture built on care, inclusion, and collaboration, where employee voices matter and growth is supported. Aviva Canada is focused on making a real difference by protecting what matters most.

Requirements

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.
2–4 years professional Java backend development building production systems.
Soft skills: problem-solving, debugging, communication, teamwork.

Nice To Haves

AWS certifications
Kubernetes/ECS
GraphQL
Serverless (Lambda)
Monitoring (CloudWatch/New Relic/Datadog)
Elasticsearch
Redis/caching
Understanding of distributed systems and microservice patterns.
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.

Responsibilities

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.
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).
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.
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.

Benefits

Eligibility for annual bonus
Retirement savings
Share plan
Health benefits
Personal wellness
Volunteer opportunities
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.