Senior Software Developer

Editorialist; Portugal; Presencial; EUR 55 000 - 90 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Ownership & impact

Tech-forward startup

Modern JS stack

Cross-functional teams

Resumo da oferta

Editorialist seeks an experienced Senior Full‑Stack Developer to own large technical challenges across the full web stack: React.js, Next.js, Node.js, and MySQL. You will drive architecture decisions, design scalable systems, and contribute from inception to production.

The role requires leading end‑to‑end implementation, optimizing performance, and collaborating with cross‑functional teams to deliver high‑quality, scalable experiences.

Qualificações

• 4–7 years of professional full‑stack web development experience.
• Advanced proficiency in JavaScript (ES6+), React.js, Next.js, and Node.js.
• Strong experience with MySQL, schema design, and performance tuning.
• Familiarity with AI-powered developer tools and their workflows.
• Proven ability to identify and debug performance bottlenecks across frontend and backend.
• Experience with bundle splitting, lazy loading, and Lighthouse audits.
• Knowledge of GA4 for frontend measurement and user interactions.
• Understanding of REST APIs, microservices, versioning, and error handling.
• Proficiency with Docker, Jenkins CI/CD, and AWS services.

Responsabilidades

• Lead design, development, and optimization of scalable full‑stack apps using Next.js, React.js, Node.js, and MySQL.
• Drive architecture discussions for new modules with a focus on scalability and performance.
• Own end‑to‑end implementation from planning to deployment with clear coding and testing standards.
• Contribute to building performant RESTful APIs and integrate backend services with frontend components.
• Improve client and server performance including TTFB, LCP, caching, and DB tuning.
• Collaborate with design, product, DevOps and other teams to build user‑centric experiences.
• Review code, provide architectural guidance, and advocate engineering excellence.
• Use Docker and CI/CD (Jenkins) for deployments to AWS microservices environment.
• Leverage AI developer tools to boost productivity and guide team usage.
• Drive cross‑functional initiatives and influence platform technical direction.

Conhecimentos

JavaScript (ES6+)

React.js

Next.js

Node.js

MySQL

Docker

Jenkins

AWS (EC2/S3/RDS)

API design & REST

CI/CD practices

Ferramentas

Jest

React Testing Library

Swagger / Postman

GA4

BigQuery GA4 exports

New Relic / ELK

Cloudflare CDN

Descrição da oferta de emprego

Editorialist melds personal styling, editorial content, and shopping into one seamless digital experience powered by proprietary technology and e-commerce tools. Our media property delivers sophisticated content and commerce to aspirational and affluent consumers, connecting readers with bespoke product and service solutions for fashion, accessories, beauty, and wellness needs. The cornerstone of our tech platform—the Editorialist app—blends content, digital services, and e-commerce for elite clientele, individuals with an average net worth in excess of fifty‑five hundred thousand dollars. Our co‑founder and CEO Rafael Ortiz previously co‑founded NexTag, the largest comparison shopping site for products and services, and led marketing and business development until its sale for one point two billion dollars.

We are looking for an experienced Senior Full‑Stack Developer to join our high‑performing engineering team. This role is ideal for someone who enjoys taking ownership of large technical challenges, designing scalable systems, and contributing to both architecture and execution across the full web stack—React.js, Next.js, Node.js, and MySQL—while collaborating with cross‑functional teams to drive product and platform initiatives from inception to production.

Responsibilities

• Lead the design, development, and optimization of scalable full‑stack applications using Next.js, React.js, Node.js, and MySQL.
• Drive architecture discussions and system design for new modules and features with an eye on scalability, modularity, and performance.
• Own end‑to‑end implementation—from planning to deployment—ensuring best practices in coding, testing, CI/CD, and documentation.
• Contribute to building performant RESTful APIs and cleanly integrating backend services with modular frontend components.
• Continuously improve client and server‑side performance, including TTFB, LCP, code splitting, caching, DB tuning, and Lighthouse score optimizations.
• Collaborate closely with design, product, DevOps, and other engineering teams to build user‑centric, scalable experiences.
• Review code, provide architectural guidance, and advocate for engineering excellence within the team.
• Use Docker and CI/CD pipelines (Jenkins) for deployments to AWS infrastructure in a microservices environment.
• Leverage AI developer tools to increase productivity and guide others in their effective usage.
• Opportunity to drive cross‑functional initiatives and contribute to the technical direction of the platform.

Benefits

• The autonomy to architect systems, make technical decisions, and see your ideas shipped to production.
• A fast‑paced, tech‑savvy startup environment where your work directly impacts product and business outcomes.
• Opportunity to work with state‑of‑the‑art tech, modern, performance‑focused JavaScript stack.
• High ownership, real impact, and the satisfaction of building things that matter at scale.

Qualifications

• 4–7 years of professional experience in full‑stack web development, including recent experience in a senior or lead capacity.
• Advanced proficiency in JavaScript (ES6+), React.js, Next.js (SSR, routing, data fetching), and Node.js.
• Strong experience with relational databases, particularly MySQL, including schema design and performance tuning.
• Familiarity with modern AI‑powered developer tools (e.g., GitHub Copilot, Cursor, Tabnine, etc.) and their application in team workflows.
• Proven ability to identify and debug performance bottlenecks across both frontend and backend by analyzing server‑level metrics (CPU, memory, I/O, logs, network latency, etc.).
• Hands‑on experience optimizing client‑side performance using techniques like bundle splitting, lazy loading, and Lighthouse auditing.
• Working knowledge of Google Analytics 4 (GA4) for measuring frontend performance and user interactions.
• Deep understanding of REST APIs, microservices communication patterns, error handling, and API versioning.
• Proficiency with Docker, CI/CD with Jenkins, and working knowledge of AWS services (EC2, S3, RDS, etc.).
• Clear, maintainable coding style with experience in code reviews, testing frameworks (Jest, React Testing Library), and technical documentation.
• Comfortable working in cross‑functional teams and independently owning complex features or refactors.
• Experience handling multi‑region websites, performance optimization and data privacy/security standards.
• Experience with BigQuery GA4 exports—writing queries to analyze usage trends, retention, conversion funnels, and performance issues.
• Experience with DevOps, observability (New Relic, ELK), or system reliability practices.
• Experience with API documentation tools like Swagger/Postman, and automated deployment pipelines.
• Knowledge of CDNs (like Cloudflare) and internationalization/localization strategies for web apps.