Senior Back-End Engineer

<p><strong>Pixelmatters is a digital product studio.</strong> We’re a team of strategists, designers and engineers creating top-quality digital products.</p><p>Our <strong>mission</strong> is to empower businesses to achieve their full potential by creating top-quality digital products while fostering great relationships along the way. We <strong>envision</strong> a world where great user experience is the norm, not the exception, inspiring businesses and people to be at their best.</p><p>We're looking for you, a <strong>meticulous, curious</strong> and <strong>adaptable</strong> senior Back-End Engineer, who has the ability to develop <strong>scalable and efficient software solutions</strong>, ensuring robust functionality and performance. In addition, you are a collaborative team player, actively supporting and promoting knowledge sharing as part of your approach.</p><p><strong>Your role</strong> will focus on designing, testing, and implementing back-end systems, playing a key role in building secure, high-performance applications. You will be involved in all stages of back-end development, from database design to API implementation and system architecture. For this reason, it’s expected that you are comfortable working with server-side languages, frameworks, and cloud infrastructure.</p><p><strong>Some of your day-to-day tasks</strong> will include developing and optimizing APIs, designing and maintaining databases, managing infrastructure and CI/CD pipelines, writing tests, and ensuring system scalability and reliability.</p><p><strong>Requirements</strong></p><ul> <li>At least 5 years of experience as a Back-End Engineer.</li> <li>Expertise in one or more modern web frameworks, such as Ruby on Rails, Django, or NestJS, with the ability to lead design and architecture decisions.</li> <li>Strong database knowledge, including schema design, performance optimization, and data integrity practices using PostgreSQL, MySQL, MongoDB, and/or Redis.</li> <li>Solid experience designing and building RESTful and/or GraphQL APIs, and integration with third-party services.</li> <li>Familiar with version control systems such as Git.</li> <li>Familiarity with CI/CD pipelines and tools, including the ability to design and maintain efficient deployment workflows. </li> <li>Proficiency with unit, integration and e2e tests.</li> <li>Excellent understanding of English and Portuguese (written and spoken).</li> </ul><p><strong><br/>It would be awesome if you also have... </strong></p><ul> <li>Ability to design and implement applications' architectures in a cloud infrastructure service. GCP and AWS as a plus.</li> <li>Ability to build and run Docker containers.</li> <li>Ability to mentor junior developers and uphold best practices within the engineering team. </li> </ul><p><strong>Benefits</strong></p><ul> <li>Quality-driven, inspiring, and collaborative work environment.</li> <li>Competitive salary and benefits, including health insurance.</li> <li>We have an office located at Porto’s downtown, while continuing to back our <a href="https://www.pixelmatters.com/blog/remote-as-default-office-as-an-option-our-remote-work-approach" rel="nofollow noreferrer noopener"><strong>“Remote as default, Office as an option” policy</strong></a>.</li> </ul><p></p><p><strong>Compensation</strong></p><ul><li>The salary range from this role is between €43,626 to €61,126 annual gross which includes meal, vacation, and Xmas allowance. </li></ul>