ph3We are: /h3pWizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a integral community of innovators, we foster a culture of growth, collaboration, and impact. With the right people and the right ideas, there’s no limit to what we can achieve /ph3Are you a fit? /h3pSounds awesome, right? Now, let’s make sure you’re a good fit for the role: /ph3Key Responsibilities /h3ulliDesign, develop, and maintain scalable backend services using Node.js. /liliBuild and optimize cloud-native applications on AWS. /liliDevelop and maintain event-driven and messaging-based architectures using SQS and SNS. /liliDesign and manage serverless solutions with AWS Lambda. /liliWork with DynamoDB to build high-performance, scalable data solutions. /liliCollaborate with cross-functional teams to deliver reliable, low-latency backend services. /liliMonitor, troubleshoot, and optimize system performance, availability, and scalability. /liliParticipate in code reviews and contribute to engineering best practices. /li /ulh3Must-have Skills /h3ulli+5 years of experience working as a Frontend Engineer. /liliStrong experience with Node.js and backend application development. /liliHands-on experience with AWS,



including:ulliEC2 /liliLambda /liliSQS /liliSNS /liliDynamoDB /li /ul /liliExperience designing and developing scalable distributed systems. /liliKnowledge of asynchronous programming and event-driven architectures. /liliExperience building RESTful APIs and backend integrations. /liliStrong problem-solving and debugging skills. /liliExcellent communication and collaboration skills. /li /ulh3Nice-to-have /h3ulliAI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows. /liliExperience building systems that process millions of messages per day with high reliability. /liliExperience designing and optimizing low-latency distributed systems. /liliKnowledge of graceful degradation strategies to ensure service resilience under failure conditions. /liliExperience with high-availability, fault-tolerant, and cloud-native architectures. /liliFamiliarity with performance optimization and scalability best practices. /li /ulh3What we offer /h3ulliA High-Impact Environment /liliCommitment to Professional Development /liliFlexible and Collaborative Culture /liliGlobal Opportunities /liliVibrant Community /liliTotal Rewards /li /ulpSpecific benefits are determined by the employment type and location. /ppFind out more about our culture here. /p /p #J-18808-Ljbffr

📌 Senior JavaScript Software Engineer (Barcelona - Hybrid)
🏢 Wizeline
📍 Barcelona