• Liderar y evolucionar los pipelines de CI/CD (GitHub Actions). • Gestionar la organización de GitHub a nivel global (repos, accesos, workflows). • Diseñar herramientas de despliegue ( Helm, GitOps, pipelines ). • Definir estándares de release: promoción entre entornos, rollback, versionado. • Mejorar la fiabilidad y velocidad de los builds. • Gestionar artefactos e imágenes de contenedor. • Colaborar con equipos de producto para reducir fricción en el delivery. • Elevar el nivel técnico del equipo de build engineering.

Your mission Step into a key role as a Senior Software Developer, taking ownership of complex cloud-based applications built on AWS with TypeScript, GraphQL, JavaScript, and React.js. You'll architect robust, scalable, and secure solutions while actively shaping how we build. Leveraging AI coding tools responsibly to accelerate delivery, mentoring junior developers, and driving the technical decisions that keep our codebase ahead of the curve. Your profile - 5+ years of hands-on experience in designing and owning full stack features from architecture to deployment - Deep expertise in cloud architecture, specifically AWS services - Strong proficiency in TypeScript, GraphQL, JavaScript, and React.js - Confident using AI-assisted coding tools (e.g. GitHub Copilot, Cursor, Claude Code) to boost productivity and knowing when not to trust them - Experience reviewing, validating, and integrating AI-generated code into production systems with a critical eye for quality, security, and edge cases - Track record of driving architectural decisions and establishing technical best practices - Experience mentoring developers and contributing to a culture of continuous learning - Strong problem-solving skills and able to lead independently and collaborate cross-functionally Why us? Explore the unique benefits of joining the LumiSphere: - Embrace a "Digital first" approach in projects and daily work, facilitated by modern SaaS tooling - Enjoy a modern office in Valencia, conveniently located and easily accessible - As a young and growing company, we offer real opportunities for professional development beyond your assigned responsibilities - Embrace the flexibility of remote work - Access a dedicated training budget to foster your ongoing growth - Personalize your workspace with our "Build your Dream Workplace" initiative, allowing you to choose your preferred hardware - Experience flat hierarchies, a well-structured onboarding process, and a team that has your back from day one

Company Background Our client is a leading U.S.-based fitness franchisor operating 2,400+ clubs worldwide. Its digital ecosystem supports both franchise operations and member experiences, including onboarding, membership management, payments, and engagement features. Project Description The role focuses on backend development for a high-load platform serving mobile applications through a BFF and microservices architecture. The system integrates with multiple third-party services and supports features such as digital keytag, workout tracking, guided sessions, and class scheduling. The project requires continuous feature development, integration, and performance optimization. Technologies - Java 21, Spring Boot 3 - Microservices architecture - AWS (SQS, SNS, S3, EKS, Kinesis, Redis, RDS, DynamoDB) - Datadog - Third-party integrations What You'll Do - Develop and enhance backend services - Participate in architecture and design discussions - Work with AWS and integrations - Troubleshoot complex issues - Collaborate with distributed teams Job Requirements - 5+ years of experience in Java backend development - Strong experience with Java and Spring Boot - Solid understanding of microservices and distributed systems - Experience with AWS or cloud platforms - Experience working in high-load systems - Strong analytical and communication skills - English level: B2 (Upper-Intermediate) or higher What Do We Offer The global benefits package includes: - Technical and non-technical training for professional and personal growth; - Internal conferences and meetups to learn from industry experts; - Support and mentorship from an experienced employee to help you professional grow and development; - Internal startup incubator; - Health insurance; - English courses; - Sports activities to promote a healthy lifestyle; - Flexible work options, including remote and hybrid opportunities; - Referral program for bringing in new talent; - Work anniversary program and additional vacation days.

• Define and execute the engineering strategy in alignment with company objectives. Provide architectural and organizational guidance to ensure long-term scalability and success. • Lead, mentor, and develop multiple engineering teams, including team leads and senior developers. Establish clear goals and create growth opportunities across a global, distributed team. • Ensure high-quality, timely delivery of product and platform initiatives. Continuously optimize workflows, development methodologies, and technical decision-making. • Guide the evolution of system architecture, ensuring scalability, performance, and maintainability. Champion the adoption of modern technologies and development practices. • Partner closely with Product, QA, DevOps, and executive stakeholders to align priorities, define technical requirements, and maintain a shared roadmap. • Identify and mitigate risks across the development lifecycle. Promote best practices in observability, security, testing, and release management. • Foster a high-performance culture grounded in transparency, continuous improvement, and a shared commitment to quality and innovation.