Senior Database Engineer

At Monavate, we're building regulated payments infrastructure for the world's most ambitious fintech and Web3 programmes. We move fast without ever sacrificing craft or quality.

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We recently announced that we're opening an office in Buenos Aires, and this role will be one of the first members of the team.

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We're looking for a Senior Database Engineer to join our team and ensure our databases and the applications they support are performant, scalable and reliable. This role blends database expertise with a strong application-aware mindset, ensuring that changes at the data layer translate seamlessly into improved product experiences.

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About the role

• Location: Argentina
• Full-time
• Permanent

• Optimize and tune database performance, including advanced query optimization
• Design, maintain and improve libraries connecting product applications to databases, including caching layers
• Implement and manage caching strategies and database migrations
• Collaborate closely with product engineers to ensure database changes align with and support application needs
• Script regularly for automation, infrastructure and reliability tasks
• Build tools and libraries to enhance database reliability and streamline developer workflows
• Work in Linux/bash environments for scripting and systems operations
• Support and scale MongoDB and PostgreSQL in production environments
• Lead projects that directly contribute to team and engineering deliverables
• Mentor junior engineers in technical skills and company culture

You'll thrive as a Senior Database Engineer if you:

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• Have 7+ years of professional experience in database engineering, reliability engineering or related roles with a proven track record of scaling and optimizing production databases
• Are experienced in MongoDB and PostgreSQL at scale
• Have a strong background in database optimization, query tuning and migration planning
• Are familiar with application-layer impacts of database changes and comfortable working alongside product engineers
• Are skilled in scripting and automation (YAML, Pulumi, bash/Linux) with the ability to build supporting tools and libraries
• Have exposure to Node.js or similar languages
• Are a pragmatic problem-solver who can balance database reliability, performance and developer productivity

• Ownership in what you help build. Every permanent team member receives equity in our growing company.
• Health coverage that actually covers you. Comprehensive medical, dental and vision plans for full-time employees and their dependents.
• Support for every stage of family life. 12 weeks of paid parental leave for all parents.
• Time off that's actually off. Flexible vacation, paid holidays and a sabbatical programme.
• Wellness for the whole you. Access to mental health resources, therapy and coaching.
• Invest in your future. Retirement savings support globally.
• Monthly stipends that flex with your life. Localised support for work and wellness expenses.