Senior Full-Stack Software Developer

• 10+ years of professional software development experience

• Expert-level backend development experience

• Extensive professional experience with PHP

• Strong experience with Symfony or comparable enterprise PHP frameworks

• Proven experience designing the architecture of complex production applications

• Strong understanding of object-oriented programming, design patterns, and software architecture

• Advanced SQL and relational database experience

• Experience designing, building, documenting, and maintaining RESTful APIs

• Strong understanding of application security, performance, scalability, and reliability

• Experience debugging difficult issues across large, interconnected systems

• Solid professional experience with JavaScript and TypeScript

• Working knowledge of React and Next.js

• Experience with Git, code reviews, testing, deployment, and modern development workflows

• Experience successfully taking ownership of major projects from planning through production

• Ability to evaluate an existing system and improve it without unnecessarily rebuilding everything

• A consistent history of delivering stable, maintainable, production-quality software

This position requires strong conversational English. You do not need to speak perfect English, but you must be able to communicate clearly and efficiently during live video calls with our US-based leadership and engineering teams. You must be comfortable discussing technical problems, asking questions, explaining your decisions, providing updates, and raising concerns before they become larger issues. Written communication alone is not sufficient for this role.

• You are a genuinely senior engineer who can solve difficult problems independently

• Backend architecture and complex business logic are among your strongest skills

• You can examine unfamiliar code, understand it quickly, and make responsible improvements

• You think beyond whether the code works and consider security, scalability, maintainability, and business impact

• You communicate proactively and do not disappear when a problem becomes difficult

• You ask thoughtful questions before making major technical decisions

• You accept feedback professionally and can respectfully challenge ideas when you see a better solution

• You deliver what you commit to and communicate early when priorities or timelines need to change

• You are comfortable being accountable for important production systems

• You maintain a high standa…

Responsabilidades: • Design, build, and maintain complex backend systems using PHP and Symfony

• Make sound architectural decisions that support scalability, reliability, security, and long-term maintainability

• Develop APIs, integrations, background processes, automation workflows, and complex business logic

• Work within a large existing codebase and quickly understand how interconnected systems operate

• Modernize legacy applications without disrupting critical business operations

• Diagnose and resolve difficult performance, data, infrastructure, and application issues

• Design and optimize relational databases, queries, and data structures

• Integrate third-party platforms, APIs, AI models, and automation tools

• Contribute to frontend applications built with React, Next.js, JavaScript, and TypeScript

• Take ownership of projects from technical planning through deployment and ongoing support

• Review code and help establish strong engineering standards

• Mentor other developers and provide technical leadership when needed

• Collaborate directly with leadership, product stakeholders, and other engineers

• Clearly explain technical problems, recommendations, timelines, and tradeoffs

Deseable: • AWS or other cloud infrastructure experience

• Experience integrating AI models or LLMs into production applications

• Experience with custom CMS or CRM platforms

• Experience modernizing large legacy systems

• CI/CD pipeline and production deployment experience

• Docker and containerized development environments

• Elasticsearch, OpenSearch, or other search technologies

• Background jobs, queues, caching, and event-driven systems

• Automated testing and quality assurance practices

• Experience leading technical projects or mentoring engineers

• Experience working on a small, senior team where individual ownership matters