Senior Full Stack Developer (Java, Spring Boot)

Aviva (Toronto ON, Canada) Follow 2 days ago

Apply Now

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
Experience: 2–4 years professional Java backend development building production systems
Soft skills: problem-solving, debugging, communication, teamwork
(Desirable) AWS certifications; Kubernetes/ECS; GraphQL; Serverless (Lambda)
(Desirable) Monitoring (CloudWatch/New Relic/Datadog); Elasticsearch; Redis/caching
(Desirable) Understanding of distributed systems and microservice patterns
(Desirable) Proactive ‘can do’ attitude; strong verbal and written communication with IT and Business stakeholders
(Desirable) In-depth platform experience with practical experience gained over at least a 10 year period
(Desirable) Significant knowledge of Application Support and Development processes and techniques including CI, TDD, BDD
(Desirable) Propose innovative solutions or alternative approaches to difficult issues
(Desirable) Proven record in delivering technical solutions across run and/or change within this Platform
(Desirable) Experience working with Global Sourcing partners and developing solutions which improve the customer experience
(Desirable) Proven knowledge of Technical platforms, software engineering practices and system management methodologies

What the job involves

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
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