Senior Full Stack Development Analyst, PHP, React

Finnet

. Develop, maintain, and enhance web applications using PHP and React .

Posted 10/10/2026full-timeSão Paulo • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in PHP and React development, with a strong focus on building scalable REST APIs and optimizing application performance. Proficient in systems analysis, architecture, and the implementation of best practices in software development and testing.

Highest-signal resume keywords

PHP DevelopmentReact DevelopmentREST API DevelopmentSQL OptimizationCloud Environments (AWS)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Object-Oriented Programming (OOP)Design PatternsClean Code PrinciplesUnit TestingContinuous IntegrationHTML5CSS3JavaScript (ES6+)Database TroubleshootingMicroservices Architecture

Soft Skills

Analytical SkillsProblem-Solving SkillsAutonomyCollaborationKnowledge Sharing

Tools & Technologies

GitDockerLinuxCI/CDITIL

Industry Keywords

High-Criticality Production EnvironmentsFinancial ApplicationsBilling SolutionsPayment SolutionsApplication Observability

Tech Stack

Tools & technologies

AWSDockerJavaScriptLinuxMySQLPHPReactSQL

About the role

Key responsibilities & impact

Develop, maintain, and enhance web applications using PHP and React
Analyze, diagnose, and resolve incidents in high-criticality production environments
Develop new features, evolutionary improvements, and fixes for existing systems
Perform corrective, preventive, and evolutionary maintenance
Design, develop, and maintain scalable and secure REST APIs
Conduct root cause analyses and implement preventive actions
Analyze and optimize application and database performance
Ensure code quality, security, scalability, and maintainability
Propose architectural and technological improvements
Participate in technical decisions, refinement sessions, and effort estimates
Assess the impacts, technical risks, and dependencies of solutions
Work with Product, Support, Implementation, and Quality teams
Monitor production applications and proactively resolve issues
Share knowledge and serve as a technical reference
Support code reviews, testing, user acceptance testing, and production releases
Create and maintain technical documentation
Assist in defining and evolving the QA strategy
Identify opportunities for new services, integrations, and solutions
Develop financial solutions focused on performance, security, and user experience

Requirements

What you’ll need

Solid experience in PHP development
Object-Oriented Programming (OOP)
Advanced knowledge of design patterns and software architecture
Development and maintenance of REST APIs
Integration with internal systems and third-party services
Knowledge of Clean Code and SOLID principles
Experience with unit testing and continuous integration
Solid experience developing applications with React
Development of modern, responsive, and reusable interfaces
HTML5, CSS3, and modern JavaScript (ES6+)
Experience with state management and reusable components
Advanced SQL knowledge
Relational data modeling
Creation and optimization of complex queries
Stored procedures, functions, triggers, and views
Database troubleshooting and performance optimization
Experience with MySQL
Strong knowledge of systems analysis, architecture, and development
Experience with cloud environments, preferably AWS
Knowledge of scalable, distributed, and service-oriented architectures
Ability to assess technical and architectural impacts
Git and version control strategies
Docker and containers
Linux
Microservices architecture
Messaging and processing queues
CI/CD
Automated testing
Unit, functional, and integration testing
ITIL concepts
Application observability and monitoring
Experience in high-availability environments
Experience with financial applications, especially billing and payment solutions
Strong analytical and problem-solving skills
Investigative mindset for analyzing impacts and risks and identifying opportunities
Autonomy and ownership in leading technical initiatives
Ability to influence technical decisions and support team development
Ability to work effectively in multidisciplinary teams and collaborative environments
Continuous learning mindset and commitment to knowledge sharing
Product mindset and focus on delivering value to customers and the business

Benefits

Comp & perks

No benefits, perks, or additional compensation were explicitly provided in the posting