Full-Stack Developer

About the Role and Job :

Job Title : Senior Full Stack Developer

Location : Markham, ON

Model : Hybrid - 3 Days a week (Mon / Tue / Wed Mandatory)

Job Type : Full time

Note :

First round will be Virtual and 2

nd

customer round will be in-person please inform candidates.

Candidate needs to be onsite Mon / Tue / Wed (this is mandatory)

"When connecting with the candidate, kindly ask them to rate the following skills on a scale of 1 to 5."

Skill Grid Template :

Skill Grid Template :

Skills

Expert

Proficient

Intermediate

Basic

None

• Java and Spring boot
• Expertise in RESTful API development, Microservices architecture.
• AWS Cloud and Security
• Angular 17+, TypeScript 5.x, HTML5, SCSS, and Angular Material.

Position Overview :

This role emphasizes Java 17 / 21 and Spring Boot 3.x, microservices architecture, and AWS cloud deployment, while ensuring compliance with technical standards, governance, risk management, and driving continuous improvement.

Key Responsibilities :

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 PostgreSQL / MySQL.

Develop event-driven patterns with Kafka or AWS SNS / SQS; 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+, TypeScript 5.x, HTML5, SCSS, and Angular Material.

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 (EC2, S3, RDS, Lambda, API Gateway, 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.

Required Qualifications

Technical Skills (Backend Expertise is MANDATORY)

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.

Additional Skills

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.