Hybrid Senior Full-Stack Engineer

at Pixelmatters

• Job title: Senior Full-Stack Engineer
• Job type: Full Time
• Experience level: Senior
• Salary: €53,426 - €61,126 per year
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Cloud, JavaScript, MongoDB, MySQL, Postgres, React, Redis
• Location requirements: Hybrid, Porto, Portugal

About the role

• Senior Full-Stack Engineer at Pixelmatters designing and implementing scalable architectures. Leading technical decisions and mentoring in a hybrid work environment.

Responsibilities

• Your role will focus on designing, implementing, and evolving robust full-stack architectures using NestJS and React, deployed on top of AWS.
• You will play a key role in shaping technical decisions, guiding architectural discussions, and ensuring solutions are secure, scalable, and maintainable.
• You will be involved in all stages of product development, from front-end implementation and API design to database modeling, infrastructure, and deployment workflows.
• Some of your day-to-day tasks will include designing scalable front-end and back-end architectures, developing and optimizing APIs, implementing complex UI components, defining database schemas, improving CI/CD pipelines, reviewing code, mentoring team members, and proactively identifying performance, reliability, and security improvements across the system.

Requirements

• At least 10+ years of experience in software engineering, with strong experience as a Full-Stack Engineer.
• Proven expertise with NestJS and React, or similar Javascript based frameworks, with the ability to lead architectural decisions across front-end and back-end systems.
• Strong understanding of software architecture, system design, and engineering best practices.
• Solid experience designing and building RESTful APIs.
• Advanced database knowledge, including schema design, performance optimization, indexing strategies, and data integrity practices (e.g., PostgreSQL, MySQL, MongoDB, Redis).
• Experience optimizing data flow across the stack (API design, caching strategies, front-end rendering performance).
• Good knowledge of front-end architecture patterns, state management, performance optimization, and component-driven development in React.
• Proficiency with unit, integration, and end-to-end testing across both front-end and back-end.
• Strong experience with Git workflows and collaborative development in multi-branch environments.
• Experience designing and maintaining CI/CD pipelines and deployment strategies.
• Experience designing and implementing scalable architectures in cloud environments (AWS).
• Ability to mentor junior and mid-level engineers, provide in-depth code reviews, and elevate overall engineering standards.
• Excellent understanding of English and Portuguese (written and spoken).

Benefits

• Quality-driven, inspiring, and collaborative work environment.
• Competitive salary and benefits, including health insurance.
• We have a brand new office located at Porto’s downtown while continuing to back our “Remote as default, Office as an option” policy.