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<p style="min-height:1.5em"><strong>Pixelmatters is a digital product studio. </strong>We’re a team of strategists, designers and engineers creating top-quality digital products.</p><p style="min-height:1.5em">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 envision a world where great user experience is the norm, not the exception, inspiring businesses and people to be at their best.</p><p style="min-height:1.5em"><strong>We're looking for you</strong>, a <strong>meticulous, curious</strong> and <strong>adaptable</strong> Senior Back-End Engineer, who thrives on building <strong>scalable, reliable, and high-performance systems</strong> using JavaScript-based technologies. You write clean, well-tested code, care deeply about architecture decisions, and bring a collaborative mindset that elevates the people around you.</p><p style="min-height:1.5em"><strong>Your role</strong> will focus on designing, building, and maintaining back-end systems using Node.js and frameworks like NestJS, from database design and API development to system architecture. You'll play a key role in shaping how our applications are structured under the hood, making decisions that impact performance, security, and long-term maintainability.</p><p style="min-height:1.5em"><strong>Some of your day-to-day tasks</strong> will include developing and optimizing RESTful APIs, designing and maintaining databases, writing tests across multiple layers, and ensuring systems remain scalable and resilient as products grow.<br><br><strong>Requirements</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">At least 7+ years of experience in software engineering, with strong experience as a Back-End Engineer.</p></li><li><p style="min-height:1.5em">Proven expertise with NestJS or similar Node.js-based frameworks, with the ability to make architectural decisions across back-end systems.</p></li><li><p style="min-height:1.5em">Strong understanding of software architecture, system design, and engineering best practices.</p></li><li><p style="min-height:1.5em">Solid experience designing and building RESTful APIs.</p></li><li><p style="min-height:1.5em">Good knowledge of databases, including schema design, performance optimization, and data integrity practices (e.g., PostgreSQL, MySQL, MongoDB, Redis).</p></li><li><p style="min-height:1.5em">Experience optimizing data flow, including API design, caching strategies, and back-end performance.</p></li><li><p style="min-height:1.5em">Proficiency with unit, integration, and end-to-end testing on the back-end.</p></li><li><p style="min-height:1.5em">Strong experience with Git workflows and collaborative development in multi-branch environments.</p></li><li><p style="min-height:1.5em">Excellent understanding of English and Portuguese (written and spoken).</p></li></ul><p style="min-height:1.5em"><strong>It would be awesome if you also have…</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Experience with CI/CD pipelines, deployment strategies, and cloud environments (AWS, GCP).</p></li><li><p style="min-height:1.5em">Experience with Docker and containerized applications.</p></li><li><p style="min-height:1.5em">Familiarity with front-end technologies and JavaScript frameworks (React or similar).</p></li><li><p style="min-height:1.5em">Familiarity working in high-regulated markets.</p></li></ul><p style="min-height:1.5em"><br><strong>Benefits</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Quality-driven, inspiring, and collaborative work environment.</p></li><li><p style="min-height:1.5em">Competitive salary and benefits, including health insurance.</p></li><li><p style="min-height:1.5em">ClaudeCode account with generous tokens’ budget.</p></li><li><p style="min-height:1.5em">We have a brand new office located at Porto’s downtown while continuing to back our <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.pixelmatters.com/blog/remote-as-default-office-as-an-option-our-remote-work-approach"><strong>“Remote as default, Office as an option” policy</strong></a>.</p></li></ul><div style="min-height:1.2em;margin-top:0;margin-bottom:0"> </div><p style="min-height:1.5em"><strong>Compensation</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">The salary range for this role is between €43,626 to €61,185 annual gross which includes meal, vacation, and Xmas allowance.</p></li></ul>
