• Develop and enhance fullstack web applications. • Create and maintain REST APIs. • Build responsive, modern user interfaces using React / Next.js. • Design and implement scalable, secure backend services. • Integrate with internal systems and external APIs. • Model and optimize relational databases (MySQL). • Participate in code reviews and contribute to improving architecture and code quality. • Collaborate with Product, Design, QA, and DevOps teams in an agile environment.

Role Description We are hiring Full Stack Engineers for a full-time contract engagement supporting a US-based client in the e-commerce space. This is a production-focused role, not a greenfield opportunity. The client needs engineers who can ramp up quickly, work comfortably in existing codebases, and contribute to live, customer-facing systems with real business impact. The strongest profiles for this role are engineers with: - Solid PHP backend experience, ideally with Symfony. - Good frontend experience with JavaScript/TypeScript, whether through Angular, React, or Vue. - Comfort discussing technical decisions in English. - Experience in structured development environments. - Collaboration on mature products where performance, maintainability, and delivery quality matter. What You’ll Do: - Build and improve full stack features across backend and frontend. - Develop and maintain backend services primarily in PHP, ideally using Symfony. - Work with modern frontend applications using JavaScript/TypeScript. - Contribute to live production systems with real users and transaction-sensitive flows. - Work on existing and legacy codebases, improving maintainability and performance. - Support integrations, APIs, and data flows across distributed systems when needed. - Participate in technical discussions, code reviews, and structured delivery processes. - Collaborate in English with technical stakeholders and client-facing teams. - Adapt to AI-assisted development workflows when part of the client’s process. Qualifications - 5+ years of professional software development experience. - Advanced English communication skills IS A MUST. - Strong backend background in PHP within production environments. - Hands-on experience with Symfony or another MVC framework. - Solid experience with JavaScript/TypeScript in production applications. - Frontend experience with Angular, React, or Vue. - Experience building or consuming REST APIs. - Strong experience working on mature production systems, not only greenfield projects. - Experience improving or refactoring legacy codebases. - Good understanding of performance, scalability, concurrency, or high-demand environments. - Experience working with relational databases such as MySQL or PostgreSQL. - Ability to explain technical decisions clearly in English. Requirements - Production experience in e-commerce or transaction-heavy platforms (strong plus). - Experience with Node.js (strong plus). - Experience with distributed systems, queues, caching, or asynchronous processing (strong plus). - Experience with cloud environments such as AWS (strong plus). - Familiarity with AI-assisted development tools such as Cursor, Claude, Gemini, CodeRabbit, or similar (strong plus). Ideal Profile - Stronger on backend than purely UI/frontend work. - Can speak credibly about real systems they have built or improved. - Comfortable discussing architecture, performance, concurrency, or maintainability. - Can adapt across technologies without needing exact one-to-one stack matching. - Execution-oriented and able to contribute with limited onboarding. - Communicate clearly and confidently with US-based teams. Hiring Process - Resume review. - DaCodes prescreening interview (technical alignment and communication validation). - Take-home technical assessment (open-resource, focused on real full stack scenarios). The expected turnaround time is 3 days. - Submission to the client including CV and completed assessment. - Live technical interview (discussion of the assessment and technical deep dive). - Final decision. Benefits - Integration to global brands and disruptive startups. - Remote work/Home office. - If a hybrid or on-site modality is required, you will be informed from the first session. - Schedule aligned with the assigned project/work cell. - Monday to Friday work schedule. - Day off on your birthday. - Major medical insurance (applies to Mexico). - Life insurance (applies to Mexico). - Multicultural work teams. - Access to courses and certifications. - Meetups with special guests from the IT area. - Virtual integration events and interest groups. - English classes. - Opportunities within our different business lines. - Proudly certified as a Great Place to Work.

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description We are looking for a Senior Full Stack Engineer (PHP / Angular) to join a fast-moving engineering team working on mature production e-commerce systems with active users and live transactions. This is not a greenfield project. The role focuses on improving, extending, and maintaining existing systems, working within a complex codebase where reliability, performance, and scalability are critical. This is an immediate-impact role, where engineers are expected to ramp up quickly and start contributing to sprint deliverables within the first weeks. What You'll Do - Work on production-grade e-commerce systems used by real customers and handling live transactions. - Develop and maintain backend services in PHP, following best practices for performance and maintainability. - Contribute to Angular-based frontend applications supporting complex business workflows. - Extend and improve existing APIs and system integrations. - Work with relational databases (MySQL) to support transactional data and business logic. - Refactor and improve legacy codebases, ensuring stability while evolving the platform. - Collaborate closely with engineering teams to deliver features aligned with sprint goals. - Help improve system performance, scalability, and maintainability. Qualifications - 5+ years of software development experience - Strong experience with PHP (MVC frameworks preferred) - Solid experience building and consuming REST APIs - Experience working with Angular in production applications - Strong knowledge of MySQL or other relational databases - Experience working with existing codebases and legacy systems - Ability to understand large systems and contribute quickly with minimal onboarding - Experience working in agile development environments Requirements - Experience working in e-commerce platforms or transaction-heavy systems (Nice to Have) - Experience improving legacy architectures (Nice to Have) - Experience optimizing performance in production environments (Nice to Have) - Familiarity with containerized environments or modern deployment practices (Nice to Have) Benefits - Integration to global brands and disruptive startups. - Remote work/Home office. - If a hybrid or on-site modality is required, you will be informed from the first session. - Schedule aligned with the assigned project/work cell. - Monday to Friday work schedule. - Day off on your birthday. - Major medical insurance (applies to Mexico). - Life insurance (applies to Mexico). - Multicultural work teams. - Access to courses and certifications. - Meetups with special guests from the IT area. - Virtual integration events and interest groups. - English classes. - Opportunities within our different business lines. - Proudly certified as a Great Place to Work.

• Evolve and extend the custom XPA based platform to meet growing business needs. • Design and implement a serverless Node.js system to replace legacy components. • Collaborate with cross-functional teams to ensure a smooth transition with minimal disruption. • Migrate and optimize data from legacy databases to modern cloud-based storage solutions. • Develop APIs, event-driven workflows, and integrations with external systems. • Support and troubleshoot production issues related to both the legacy and new platforms during the transition. • Java/Kubernetes backend application development.