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Senior JavaScript Software Engineer (Barcelona - Hybrid)

Wizeline · Barcelona, Spain

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<p><strong>We are:</strong><br>Wizeline, a global AI-native technology solutions provider, develops cutting-edge, <strong>AI-powered</strong> digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of <strong>growth, collaboration, </strong>and <strong>impact.</strong><strong><br></strong><strong><br></strong><strong>With the right people and the right ideas, there’s no limit to what we can achieve</strong></p> <p><strong>Are you a fit?</strong><br>Sounds awesome, right? Now, let’s make sure you’re a good fit for the role:<br><br><strong><em>Key Responsibilities</em></strong></p> <ul> <li data-start=&quot;29&quot; data-end=&quot;105&quot;>Design, develop, and maintain scalable backend services using <strong data-start=&quot;93&quot; data-end=&quot;104&quot;>Node.js</strong>.</li> <li data-start=&quot;106&quot; data-end=&quot;164&quot;>Build and optimize cloud-native applications on <strong data-start=&quot;156&quot; data-end=&quot;163&quot;>AWS</strong>.</li> <li data-start=&quot;165&quot; data-end=&quot;261&quot;>Develop and maintain event-driven and messaging-based architectures using <strong data-start=&quot;241&quot; data-end=&quot;248&quot;>SQS</strong> and <strong data-start=&quot;253&quot; data-end=&quot;260&quot;>SNS</strong>.</li> <li data-start=&quot;262&quot; data-end=&quot;323&quot;>Design and manage serverless solutions with <strong data-start=&quot;308&quot; data-end=&quot;322&quot;>AWS Lambda</strong>.</li> <li data-start=&quot;324&quot; data-end=&quot;400&quot;>Work with <strong data-start=&quot;336&quot; data-end=&quot;348&quot;>DynamoDB</strong> to build high-performance, scalable data solutions.</li> <li data-start=&quot;401&quot; data-end=&quot;493&quot;>Collaborate with cross-functional teams to deliver reliable, low-latency backend services.</li> <li data-start=&quot;494&quot; data-end=&quot;582&quot;>Monitor, troubleshoot, and optimize system performance, availability, and scalability.</li> <li data-start=&quot;583&quot; data-end=&quot;658&quot;>Participate in code reviews and contribute to engineering best practices.</li> </ul> <p><strong><em>Must-have Skills</em></strong><strong><em>&nbsp;</em></strong></p> <ul> <li data-start=&quot;73&quot; data-end=&quot;129&quot;>+5 years of experience working as a Frontend Engineer.</li> <li>Strong experience with <strong data-start=&quot;715&quot; data-end=&quot;726&quot;>Node.js</strong> and backend application development.</li> <li data-start=&quot;764&quot; data-end=&quot;858&quot;>Hands-on experience with <strong data-start=&quot;791&quot; data-end=&quot;798&quot;>AWS</strong>, including: <ul data-start=&quot;813&quot; data-end=&quot;858&quot;> <li data-start=&quot;813&quot; data-end=&quot;818&quot;>EC2</li> <li data-start=&quot;821&quot; data-end=&quot;829&quot;>Lambda</li> <li data-start=&quot;832&quot; data-end=&quot;837&quot;>SQS</li> <li data-start=&quot;840&quot; data-end=&quot;845&quot;>SNS</li> <li data-start=&quot;848&quot; data-end=&quot;858&quot;>DynamoDB</li> </ul> </li> <li data-start=&quot;859&quot; data-end=&quot;926&quot;>Experience designing and developing scalable distributed systems.</li> <li data-start=&quot;927&quot; data-end=&quot;998&quot;>Knowledge of asynchronous programming and event-driven architectures.</li> <li data-start=&quot;999&quot; data-end=&quot;1059&quot;>Experience building RESTful APIs and backend integrations.</li> <li data-start=&quot;1060&quot; data-end=&quot;1106&quot;>Strong problem-solving and debugging skills.</li> <li data-start=&quot;1107&quot; data-end=&quot;1158&quot;>Excellent communication and collaboration skills.</li> </ul> <p><strong><em>Nice-to-have:</em></strong></p> <ul> <li><strong>AI Tooling Proficiency: </strong>Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recomm

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