Mactores - Full Stack Engineer

What will you do :

Product Development :

- Design, build, and maintain full-stack features across the Aedeon frontend (React+Next.js) with a focus on reliability, performance, and user experience.

- Collaborate with product management, designers, and backend / DevOps engineers to deliver features from requirement to deployed, tested release.

- Participate actively in sprint planning, backlog grooming, and retrospectives with a product-first perspective.

Release Ownership :

- Own the full delivery of assigned features from development through deployment and post-release validation.

- Commit to and meet sprint and release deadlines.

- Proactively communicate blockers and risks with enough lead time to mitigate them.

- Coordinate with DevOps and QA to ensure the deployment pipeline is ready and the release process is clean and repeatable.

Testing and Quality :

- Practice test-driven development.

- Write tests before the implementation, not after the deadline.

- The test defines what "done" means before the code is shipped.

- Write detailed, accurate test cases for every feature before deployment, covering functional flows, edge cases, regression scenarios, and integration touchpoints.

- Use AI-assisted tools to generate high-quality test cases at scale and validate them for coverage completeness.

- Build and maintain automated test suites (E2E, integration, unit) using appropriate testing frameworks.

- Integrate them into the CI/CD pipeline.

- Conduct thorough deployment validations in staging environments before any production release.

- No feature ships without sign-off.

Collaboration and Documentation :

- Write clear, maintainable code with adequate documentation.

- Review pull requests thoroughly and provide constructive feedback.

- Document APIs, deployment procedures, test plans, and architectural decisions in Confluence or equivalent tools.

- Share knowledge and testing best practices with the team.

- Promote a culture of quality and release discipline.

What you need for this opportunity :

Frontend :

- Strong proficiency in React.js: component architecture, state management, hooks, and performance optimization.

- Strong proficiency in the Next.js framework.

- Experience building real-time interfaces using WebSocket APIs.

- Proficiency in TypeScript, HTML5, CSS3, and modern frontend tooling (Vite, Webpack).

- Experience implementing OAuth 2.0 flows (GitHub OAuth, AWS Cognito) in the frontend.

- Familiarity with responsive design and cross-browser compatibility.

Cloud and Infrastructure :

- Working knowledge of AWS services: S3, DynamoDB, SES, Cognito, Secrets Manager, CloudWatch.

- Comfort navigating multi-account AWS environments (dev / uat / prod) and understanding of VPC networking basics.

Testing and Automation :

- Test-driven development as a discipline.

- Tests written before the code, not after.

- Hands-on experience writing and maintaining automated test suites: E2E (Playwright or Cypress), integration tests, and unit tests.

- Experience using AI tools (Claude, LLM-based test generators) to accelerate and improve test case quality.

- Ability to write structured, accurate test cases from product requirements: functional, edge case, regression, and integration coverage.

- Experience integrating automated tests into CI/CD pipelines.

You'll be preferred if you have :

- Knowledge of Amazon OpenSearch Service or Elasticsearch.

- Experience with RabbitMQ or other message queue systems.

- Prior work on B2B SaaS products with a structured release process.