Jobs and Careers
PA
Senior Fullstack Engineer (Java/React)
ParserSpain, Portugal#SP-POR, Remote, Spain (Hybrid), PortugalRemotefull_timeVerifiedPosted 22 Jul 2025
About the role
<p><span>We are seeking a talented and experienced </span><span>Senior Fullstack Engineer</span><span> to join our team. The ideal candidate will have a strong background in both backend and frontend development, capable of building scalable, secure, and efficient end-to-end solutions. This role requires a proactive problem solver who excels in designing integrations, managing cloud infrastructure, and delivering user-friendly interfaces that meet complex business needs.</span></p>
<p><br/></p>
<p><span>Key Responsibilities:</span></p>
<ul>
<li><span>Design, develop, and maintain backend services and APIs using Java (Spring Boot) and Javascript (node.js)</span><span><br/><br/></span></li>
<li><span>Build responsive and performant frontend applications using </span><a href="http://next.js" rel="noopener noreferrer"><span>Next.Js</span></a><span> And React</span><span><br/><br/></span></li>
<li><span>Collaborate with cross-functional teams to implement authentication and authorization solutions leveraging identity services (e.g., Auth0).</span><span><br/><br/></span></li>
<li><span>Develop and deploy applications on AWS infrastructure, using services like ECS and Lambda.</span><span><br/><br/></span></li>
<li><span>Build and manage infrastructure as code using Terraform.</span><span><br/><br/></span></li>
<li><span>Integrate with external partners, handling complex onboarding processes and ensuring seamless operation.</span><span><br/><br/></span></li>
<li><span>Monitor and improve system performance and frontend user experience using tools like Datadog and PagerDuty.</span><span><br/><br/></span></li>
<li><span>Troubleshoot, debug, and optimize both backend and frontend applications to ensure reliability, scalability, and excellent usability.</span><span><br/><br/></span></li>
<li><span>Participate in code reviews, provide mentorship to other engineers, and advocate for best practices in both backend and frontend development.</span><span><br/><br/></span></li>
<li><span>Stay informed about industry trends and emerging technologies to inform architectural and UI/UX decisions.</span><span><br/><br/></span></li>
</ul>
<p><span>Required Skills and Experience:</span></p>
<ul>
<li><span>Proficiency in backend development with Java (Spring Boot) and AWS services.</span><span><br/><br/></span></li>
<li><span>Solid experience in frontend development using using </span><a href="http://next.js" rel="noopener noreferrer"><span>Next.Js</span></a><span> And React</span><span><br/><br/></span></li>
<li><span>Experience with containerization and orchestration (e.g., ECS).</span><span><br/><br/></span></li>
<li><span>Hands-on experience with infrastructure as code tools, such as Terraform.</span><span><br/><br/></span></li>
<li><span>Familiarity with BitBucket or Github workflows for CI/CD.</span><span><br/><br/></span></li>
<li><span>Strong knowledge of authentication and authorization protocols, including OAuth and identity services like Auth0.</span><span><br/><br/></span></li>
<li><span>Experience monitoring and troubleshooting systems using tools like Datadog.</span><span><br/><br/></span></li>
<li><span>Strong problem-solving skills and attention to detail.</span><span><br/><br/></span></li>
<li><span>Excellent communication skills for collaborating with internal teams and external partners.</span><span><br/><br/></span></li>
</ul>
<p><span>Preferred Qualifications:</span></p>
<ul>
<li><span>Experience with </span><a href="http://next.js" rel="noopener noreferrer"><span>Next.Js</span></a><span> And React</span><span><br/><br/></span></li>
<li><span>Familiarity with incident response and on-call processes using PagerDuty.</span><span><br/><br/></span></li>
<li><span>Proven ability to work in a fast-paced environment and manage competing priorities.</span><span><br/><br/></span></li>
<li><span>A self-starter mindset with a track record of driving projects to completion.</span><span><br/><br/></span></li>
<li><span>Understanding of UI/UX best practices and accessibility standards.</span></li>
</ul>
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