Role: Sr. Backend Developer

Location: Remote-Canada

Duration: Long Term Contract

Job Description: Need overall 8 years of experience candidate for this role.

Must Require: Building a Peer 2 Peer payments app for the Canadian Market.

Core Java & Spring Boot

• Strong Java fundamentals: Object-oriented programming, generics, collections, concurrency, and multi-threading.
• Spring Framework & Spring Boot: RESTful APIs, Spring Data, Spring Security, auto-configuration, and application lifecycle management.
• Microservices architecture: Best practices for modular, independent, and scalable service design.

AWS Cloud Services

• Compute Services: Familiarity with Amazon EC2 and container services like AWS ECS or EKS (Kubernetes) for running applications.
• Storage Services: Proficiency with Amazon S3 for object storage and Amazon EBS/EFS for block/file storage solutions.
• Databases: Experience with Amazon RDS (MySQL, PostgreSQL) or Amazon Aurora for relational data, and DynamoDB for NoSQL storage.
• Serverless: Knowledge of AWS Lambda for event-driven functions and possible integration with Spring Cloud Function.
• Networking & Security: Understanding of VPC, subnetting, security groups, and load balancers (ELB/ALB).
• Monitoring & Logging: Use of CloudWatch for logs, metrics, alarms, and AWS X-Ray for distributed tracing.

DevOps & CI/CD

• Containerization: Docker for packaging applications; Kubernetes or AWS ECS/EKS for container orchestration.
• Infrastructure as Code (IaC): Terraform or AWS CloudFormation to provision and manage AWS resources.
• Continuous Integration/Continuous Deployment: Tools like Jenkins, GitLab CI, GitHub Actions, or AWS Code Pipeline for automated build/test/deploy.

Data & Messaging

• Relational Databases: SQL proficiency (schema design, indexing, queries, performance tuning).
• NoSQL Databases: Key-value or document stores (DynamoDB, MongoDB, etc.) for specific use cases.
• Caching Solutions: Redis, Memcached for performance improvements.
• Messaging & Streaming: Kafka, RabbitMQ, or AWS SQS/SNS for asynchronous communication and event-driven architectures.

Security & Compliance

• Authentication & Authorization: Handling identity management, JWT tokens, OAuth2, and Spring Security configurations.
• Data Protection: Encryption at rest and in transit (KMS, SSL/TLS).
• Security Best Practices: OWASP top 10 awareness, implementing secure coding practices, secrets management (AWS Secrets Manager or Parameter Store).
• Regulatory Compliance: Understanding GDPR, PCI-DSS, or other industry-specific standards where necessary.

Testing & Quality Assurance

• Unit & Integration Testing: JUnit, Mockito, Test Containers for database and containerized environment tests.
• Contract Testing: Tools like Spring Cloud Contract for validating microservice interactions.
• Performance & Load Testing: JMeter or Gatling for measuring scalability and reliability.

Monitoring & Observability

• Application Logging: Structured logs (JSON), log aggregation, and analysis (ELK stack or CloudWatch Logs).
• Metrics Collection: Spring Boot Actuator, Prometheus, Grafana, and AWS CloudWatch for system and application metrics.
• Distributed Tracing: Zipkin, Jaeger, or AWS X-Ray for troubleshooting complex microservice interactions.

Soft Skills & Methodologies

• Agile & Scrum: Ability to work in an iterative development environment, collaborate with cross-functional teams.
• Collaboration: Strong communication, willingness to review code, pair programming.
• Problem-Solving: Analytical thinking, debugging skills, attention to detail.
• Adaptability: Keeping up with evolving AWS services, Spring Boot releases, and architectural patterns.