If you love getting deep into servers, databases, networking, and the inner workings of how email really gets delivered at scale, you'll feel right at home with us. You will have the possibility to work 100% remotely, working in a high-growth international B2B SaaS, in which all members love to create, work in teams, analyze and help Community Managers make their work easier. Todos los posibles candidatos deben leer con atención los siguientes detalles de este trabajo antes de presentar una candidatura.
Your mission is to become the dedicated, specialized owner of our Mautic infrastructure (hosted on AWS, sending through Amazon SES), working closely with Borja, who will be your technical lead, and partnering with Marketing, Product, Data and Revenue to move the team from firefighting to a stable, scalable system. In the medium term, you'll also help build out our data platform and attribution work.
As Senior Technical Operations Engineer,Systems optimisation: optimise the servers, heavy MySQL databases (slow queries, indexes, table maintenance, historical data cleanup)



and queues (RabbitMQ) behind our Mautic instance, a very large setup sending millions of emails a day, hosted on AWS and sending through Amazon SES.System stability: monitor sends, queues and servers, detect and fix issues before they impact a campaign, and scale the platform so it can send ~3M emails/day without outages.
It's already automated, so this is more about occasional fine-tuning than a main focus.
Handle and triage requests and bug reports from Marketing (and Product) via Slack: reproduce, fix, explain, and follow up. Maintain and evolve Mautic's custom code (PHP/Symfony plugins and modules), using AI tools as support.
Medium term: contribute to our data platform (ClickHouse, Python export pipelines, Go services, Aerospike) and to attribution.
As a Team Member,Cross-functional Alignment: Collaborate closely with Marketing, Product, Data and Revenue, turning their tickets and complaints into

📌 Senior Technical Operations Engineer (Cataluña)
🏢 Team.Blue
📍 Cataluña