• Design, develop, and maintain scalable data processing applications using Scala and Apache Spark • Build, optimize, and maintain ETL/ELT pipelines processing large volumes of data • Develop efficient Spark applications using Spark SQL and the DataFrame/Dataset API • Optimize Spark jobs by improving partitioning strategies, shuffle operations, caching, and join performance • Troubleshoot and resolve performance issues using Spark UI and monitoring tools • Collaborate with data engineers, software developers, and stakeholders to design scalable data processing solutions • Participate in code reviews and contribute to software quality, performance, and engineering best practices

• As a backend developer, you will take end-to-end responsibility for developing and delivering new features of obilet.com's B2B applications and business API along with the current system's maintenance • Contributing to design and development phases for obilet application's B2B backend and SOAP and Restful business API • Identifying, investigating, and implementing applicable solutions to business requirements • Ensure obilet B2B application and business API meet current standards & accessibility requirements • Following industry best practices in design and product development, also taking initiative in recommending possible enhancements

• Liderarás la evolución de nuestra plataforma de datos clínicos sobre Google Cloud Platform • Diseñar y evolucionar la arquitectura de datos end-to-end sobre Google Cloud Platform • Definir y mantener la arquitectura de las capas Raw, Standard (Silver) y Curated (Gold) en BigQuery • Diseñar pipelines de ingesta, transformación y orquestación utilizando Cloud Composer (Airflow), Airbyte y dbt Core • Liderar la modernización de pipelines y modelos existentes hacia una arquitectura más escalable y mantenible • Definir estándares de modelado, documentación y gobierno del dato • Diseñar mecanismos de calidad mediante testing automático, monitorización y alertas • Garantizar el tratamiento seguro de datos clínicos mediante IAM, Policy Tags, DLP y controles de acceso • Definir estándares de observabilidad, logging y monitorización de la plataforma • Definir buenas prácticas de ingeniería y arquitectura • Colaborar con los equipos técnicos en decisiones de diseño e implementación • Optimizar el rendimiento y los costes de BigQuery y del resto de servicios de Google Cloud Platform • Actuar como referente técnico para la plataforma de datos

Role Description We are looking for a dynamic and experienced Backend Developer to join our Server Team. In this role, you will design, build, and maintain highly scalable backend systems that power Server, ensuring reliability, performance, and seamless customer experience. You will work on a large-scale infrastructure, collaborate with cross-functional teams, and help shape the future of the product. The position is fully remote with flexible hours, allowing you to plan your day and work from anywhere in the world. Key Responsibilities: - Designing, building, and maintaining backend services for the Imunify360 server platform; - Developing and improving high-throughput, fault-tolerant messaging and data processing pipelines; - Operating and maintaining core server components, including proxies, message brokers, caches, and databases; - Investigating and resolving complex issues in distributed systems, ensuring uptime and reliability; - Writing and maintaining unit/integration tests to ensure robust, maintainable code; - Collaborating with Infrastructure, Monitoring, and other product teams to refine architecture and optimize system performance; - Monitoring production services using Grafana, Telegraf, and related tooling, proactively addressing bottlenecks and scaling challenges; - Improving CI/CD pipelines for automated, efficient deployments; - Participating in design reviews, incident analysis, and contributing to the long-term technical vision of the team. Qualifications - 5+ years of professional experience as a Backend Developer; - Experience with high-load applications. We are about 100k rps; - Strong proficiency in Golang as the primary development language (including hands-on experience with goroutines), and practical experience with Python, including asyncio-based development; - Experience in maintaining Linux services and web applications on Linux machines; - Experience with AI engineering: LLM, RAG, cost optimization techniques, prompt engineering, etc.; - Hands-on experience with distributed systems and messaging frameworks such as RabbitMQ, Kafka (or similar); - Experience with MongoDB and Redis (including distributed caching and local RPC use cases); - Familiarity with ClickHouse (or other columnar databases) for large-scale analytics; - Practical experience with Docker for local development and production environments; - Experience with HAProxy or similar load balancing/proxy solutions; - Strong understanding of high-throughput service design and distributed system challenges; - Familiarity with CI/CD pipelines, version control (Git), and automated deployment workflows. Experience creating those pipelines from scratch would be ideal; - Excellent debugging skills, with the ability to deep-dive into network, data, and system-level issues; - Strong communication and collaboration skills, comfortable working in a distributed team; - At least upper-intermediate proficiency in spoken and written English. Requirements - Experience with configuration management systems (e.g., Ansible, Puppet, Salt); - Experience working with monitoring and metrics stacks (Grafana, Mimir, Graphite, Telegraf); - Experience with DNS systems (Unbound or similar). Benefits - A strong focus on professional development with opportunities for learning and growth; - Interesting and challenging projects; - Mentor and other knowledge-exchange programs; - Fully remote work with flexible working hours, that allows you to schedule your day and work from any location worldwide; - Paid 24 days of vacation per year, 10 days of national holidays, and unlimited sick leaves to ensure you maintain a healthy work-life balance; - Compensation for private medical insurance; - Co-working and gym/sports reimbursement; - The opportunity to receive a reward for the most innovative idea that the company can patent, fostering a culture of creativity and innovation.