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Brasil
Remote only
At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.
With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.
We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.
We are looking for an experienced Senior PHP developer to join our team and help us improve a legacy platform with API capabilities and enhanced error logging & monitoring, to support future integrations and phased platform modernisation for one of our clients.
The ideal candidate will have a proven track record of delivering high quality, PHP based applications with API integrations for enterprise-level organizations.
Responsibilities
Design & implement feature and resource oriented REST endpoints compatible with the existing legacy code
Author and generate OpenAPI/Swagger specs
Secure implementation of the authentication and authorization for public facing endpoints including session based authentication, rate limiting and request validation
Remedy and refactor critical issues in the legacy code base that can impact the API implementation
Implement structured logging and error tracking across the application (e.g. logs, correlation/request IDs, etc…)
Setup application performance & error monitoring with proactive alerts
Write unit & integrations tests for the new API endpoints
Coordinate with the client team to deliver the changes with zero disruption to the current functionality & ongoing feature development
You will take part in peer review of team deliverables, attend and take part in agile ceremonies, and demonstrate delivery of your work to client stakeholders at the end of each sprint
We are looking for someone that has:
Solid experience with legacy PHP based applications (procedural & light OOP) and comfortable with refactoring rather than rewriting from scratch
Demonstrable REST API design experience including versioning strategy and documentation
Hands on experience implementing API authentication, authorisation and rate limiting for existing applications
Strong MySQL knowledge and able to safely work with existing schemas & queries without introduction regression issues
Practical experience instrumenting PHP applications with structured logging and error tracking
Familiarity with setting up monitoring and alerting techstack within a PHP based environment
A testing mindset for legacy code
Working knowledge of continuous delivery and continuous integration to deliver software incrementally and in an agile way (git, gitFlow, etc…)
Excellent problem-solving and analytical skills
Working within a project management/agile delivery methodology as part of a wider team
Excellent communication and teamwork skills
Fluent in English
Here are some other skills and experience that would be considered a plus for this role:
- Exposure to Spec Driven Development, writing specs and machine readable API contracts
- Hands on experience with agentic SDLC
- Experience with Observability tools
- Experience with security and compliance best practices
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