Role Description - Design, develop, and maintain backend services using Python. - Develop complex SQL queries, stored procedures, functions, and database objects. - Design normalized and scalable PostgreSQL database schemas. - Optimize SQL queries and database performance for large datasets. - Troubleshoot database performance issues using query execution plans and indexing strategies. - Write database migrations and maintain data integrity across releases. - Build REST APIs and integrate them with backend services. - Collaborate with application developers to design efficient data models. - Participate in code reviews focusing on both application and database quality. - Create unit and integration tests for backend components. - Support deployment activities and production issue resolution when required. Qualifications - 4+ years of backend software development experience. - Strong hands-on experience with PostgreSQL. - Excellent SQL skills, including: - Complex joins - CTEs - Window functions - Views - Stored Procedures - Functions - Triggers - Performance tuning - Indexing strategies - Experience writing and optimizing production-grade SQL queries. - Strong understanding of relational database design and normalization. - Hands-on experience with Python backend development. - Experience building REST APIs. - Familiarity with Git and collaborative development workflows. - Experience debugging production database issues. - Strong analytical and problem-solving skills. Requirements - 3+ years professional Python backend experience. - Real experience with both Django and FastAPI. - Can write SQL stored procedures, not just basic queries (this will be tested — most "Python devs" fail here). - PostgreSQL preferred; other relational DB ok if SQL skills are strong. - Can work independently with minimal onboarding.

• Desarrollar y mantener aplicaciones utilizando Angular 14. • Participar en el análisis y diseño técnico de nuevas funcionalidades. • Implementar soluciones utilizando TypeScript y JavaScript. • Colaborar con equipos multidisciplinares durante todo el ciclo de desarrollo. • Garantizar la calidad y el correcto funcionamiento de las aplicaciones. • Participar en la mejora continua y evolución de las soluciones tecnológicas.

• Desarrollo sobre Liferay: Participar en la evolución de la arquitectura existente en Liferay, desarrollando nuevas funcionalidades asegurando estándares técnicos y de calidad. • Mantenimiento y soporte: Analizar, triar y resolver incidencias, contribuyendo a la estabilidad de la plataforma y a la mejora continua del servicio. • Desarrollo de servicios: Implementar y mantener APIs REST y SOAP, garantizando su correcto funcionamiento e integración. • Integración y herramientas de desarrollo: Trabajar con herramientas como Gradle, IntelliJ, Postman o SoapUI para asegurar ciclos de desarrollo eficientes. • Control de versiones y CI/CD: Gestionar código mediante Git e integrarse en flujos de integración y entrega continua. • Colaboración multidisciplinaria: Trabajar junto a equipos técnicos y de negocio para mejorar la plataforma corporativa y dar respuesta a necesidades estratégicas. • Optimización continua: Proponer mejoras tanto a nivel técnico como de procesos para aumentar la eficiencia del servicio.

Role Description We use Rust throughout our stack at Element from our SDK written in Rust through to our core Server technology Synapse. - Work on both sides of the API developing the client SDK and contributing to the migration of our server technology. - Ensure that Element's next generation of clients and servers are fast, reliable and a joy to use. - Work with our passionate and engaged open-source community. We are open to remote applications, though the core team are based in Europe and we would prefer a European (or nearby) timezone. We work in the open, so you can get a great feel for exactly what it would be like to work on Element. Come and say hi to the team in our public developer channel. If you have questions about the role, please feel free to reach out to Neil on Matrix (@neilj:matrix.org). Qualifications - Smart, curious and enthusiastic. - Passionate about building software that people love. - A tireless advocate of code quality (understanding the need for trade-offs in the short term whilst keeping us honest in the long term). - Empathetic, with both their colleagues and the end user. Requirements - Experience with Rust and async programming. - Experience with FFI. - Experience maintaining and/or contributing to open-source projects. - Experience in IM communications. Benefits - Work (almost) full time on FOSS projects with high visibility and a large enthusiastic community. - Exposure to a wide range of domains from web and app dev through to VR, VoIP and IoT. - People tend to stay with the company for a long time, indicating a cohesive supportive culture, engaging challenging work, and opportunities for long-term skill and career development.