Full-Stack PHP + React

Medellín , Colombia
Remote

AI overview

Develop and maintain a PHP-based backend and RESTful APIs while primarily focusing on building modern React single-page applications in a collaborative environment.

Please note that we will never request payment or bank account information at any stage of the recruitment process. As we continue to grow our teams, we urge you to be cautious of fraudulent job postings or recruitment activities that misuse our company name and information. Please protect your personal information during any recruitment process. While Monks may contact potential candidates via LinkedIn, all applications must be submitted through our official website (monks.com/careers).

About the Job

We are looking for an experienced Senior Full-Stack Developer to join our cross-functional team. This is a key individual contributor role for someone passionate about building high-quality, scalable software and taking ownership of features from concept to production.

You will work on a mix of greenfield and brownfield projects, contributing to both backend services and modern frontend applications in a 20/80 backend-to-frontend split.

About the Role

In this role, you will be responsible for developing and maintaining a PHP-based backend and RESTful APIs, while primarily focusing on building and enhancing modern React single-page applications.

You will contribute to component and feature design, write comprehensive tests, and occasionally support the setup of CI/CD pipelines for new services. This role is ideal for a highly autonomous engineer who enjoys collaboration, technical ownership, and continuous learning.

 

Responsibilities

  • Design, build, and maintain efficient, reusable, and reliable PHP backend services and APIs
  • Develop complex, user-facing features and UIs using React
  • Optimize React applications by improving performance, reducing unnecessary re-renders, and applying best practices such as memoization, code-splitting, and virtualization
  • Write comprehensive unit and integration tests to ensure code quality and system stability
  • Collaborate closely with product managers, designers, and engineers in an agile environment
  • Participate in technical design discussions and contribute to architectural decisions
  • Take ownership of the full development lifecycle, including occasional CI/CD pipeline setup
  • Identify system bottlenecks and bugs, and implement effective solutions
  • Support the migration of legacy frontend applications to modern React/Node stacks with minimal user disruption.

About You

  • 8+ years of professional software development experience (14+ years preferred)
  • Strong backend expertise in PHP, including experience outside monolithic frameworks
  • Advanced proficiency in React and its ecosystem
  • Hands-on experience with state management in React (preferably React Context and Zustand)
  • Proven experience designing and maintaining RESTful APIs
  • Experience optimizing React performance using profiling, memoization, stable dependencies, and code-splitting strategies
  • Experience migrating legacy frontend applications to modern stacks
  • Strong experience with Oracle Databases, including ORM usage and query optimization
  • Required experience with Docker for containerization
  • Strong commitment to automated testing and experience with unit and integration tests

#LI-LS2 #LI-Remote

About Monks

Monks is the global, purely digital, unitary operating brand of S4Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global marketing and technology services to accelerate business possibilities and redefine how brands and businesses interact with the world. Its integration of systems and workflows delivers unfettered content production, scaled experiences, enterprise-grade technology and data science fueled by AI—managed by the industry’s best and most diverse digital talent—to help the world’s trailblazing companies outmaneuver and outpace their competition.

Monks was named a Contender in The Forrester Wave™: Global Marketing Services. It has remained a constant presence on Adweek’s Fastest Growing lists (2019-23), ranks among Cannes Lions' Top 10 Creative Companies (2022-23) and is the only partner to have been placed in AdExchanger’s Programmatic Power Players list every year (2020-24). In addition to being named Adweek’s first AI Agency of the Year (2023), Monks has been recognized by Business Intelligence in its 2024 Excellence in Artificial Intelligence Awards program in three categories: the Individual category, Organizational Winner in AI Strategic Planning and AI Product for its service Monks.Flow. Monks has also garnered the title of Webby Production Company of the Year (2021-24), won a record number of FWAs and has earned a spot on Newsweek’s Top 100 Global Most Loved Workplaces 2023.

 

We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us. 

S4Capital focuses on building a digital advertising and marketing services business that disrupts traditional models by integrating content, data, and technology to deliver seamless, always-on solutions for a diverse range of clients, including global ...

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