Senior Full Stack Software Engineer

Listed as a remote role based in Luxembourg. This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Software Engineer based in Luxembourg. This role offers the opportunity to build and enhance modern cloud-native applications that support large-scale data processing and business-critical services. You will contribute across the full software development lifecycle, designing scalable backend services while delivering intuitive frontend experiences. Working within a collaborative engineering environment, you will leverage AWS technologies, microservices, and serverless architectures to create reliable, high-performance solutions. The position combines hands-on software development with technical design, automation, and continuous improvement initiatives. You will collaborate with architects, engineers, and cross-functional teams to deliver innovative, cloud-enabled products. This is an excellent opportunity for a senior engineer who enjoys solving complex technical challenges while building scalable and maintainable software systems. Accountabilities The Senior Full Stack Software Engineer will be responsible for designing, developing, and maintaining cloud-native applications while ensuring high standards of quality, scalability, and performance. Design, develop, test, deploy, and maintain complex full stack web applications using cloud-native technologies and microservices architecture. Build scalable backend services using Node.js while developing modern, responsive user interfaces with React and related UI frameworks. Develop serverless applications leveraging AWS services such as Lambda, SNS, SQS, S3, IAM, CloudWatch, RDS, and DynamoDB. Design and implement cloud-based data processing and automation solutions that support high-quality transactional systems. Create technical designs, write clean and maintainable production code, and prepare comprehensive technical documentation. Develop automated test suites, perform unit testing, and contribute to overall software quality assurance. Collaborate with architects, UX teams, infrastructure specialists, and other engineering teams to deliver end-to-end solutions. Monitor application performance, troubleshoot issues, and continuously improve system reliability and scalability. Contribute to DevOps practices, CI/CD pipelines, and Infrastructure as Code initiatives. Support Agile development processes and actively contribute to team success through knowledge sharing and collaboration. Requirements The ideal candidate has strong experience building cloud-native applications using modern JavaScript technologies, microservices, and AWS infrastructure. Proven experience developing full stack applications using Node.js and modern JavaScript or TypeScript. Strong frontend development experience with React and contemporary UI frameworks. Hands-on experience designing and implementing microservices and serverless architectures. Advanced knowledge of AWS services, including Lambda, SNS, SQS, S3, IAM, CloudWatch, RDS, DynamoDB, and AWS CI/CD tools. Experience creating automated testing frameworks, unit tests, and quality assurance processes. Strong understanding of object-oriented programming principles and computer science fundamentals. Experience working with relational and NoSQL databases. Familiarity with Infrastructure as Code solutions such as AWS CloudFormation or similar technologies. Experience working in Agile Scrum environments with a collaborative, team-oriented mindset. Strong analytical, problem-solving, and communication skills with a customer-focused approach. Bachelor's degree or higher in Computer Science, Software Engineering, or a related field. Relevant AWS or other professional cloud certifications are considered an advantage. Curiosity, adaptability, and a willingness to continuously learn new technologies and engineering practices. Benefits Opportunity to work on modern cloud-native and serverless technologies. Exposure to large-scale distributed systems and data-driven applications. Collaborative Agile environment with experienced engineering teams. Opportunities to work with modern AWS services, DevOps practices, and microservices architecture. Professional development through challenging technical projects and continuous learning. Cross-functional collaboration with architects, UX specialists, and infrastructure teams. Opportunity to contribute to innovative software solutions with meaningful business impact. How Jobgether Works We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! Why Apply Through Jobgether? Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. Show more Show less Seniority level Not Applicable Employment type Full-time Job function Engineering and Information Technology Industries Internet Marketplace Platforms