Senior Database Engineer – PostgreSQL / Supabase

Job description

**This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Database Engineer – PostgreSQL / Supabase based in Mexico.** This is a highly technical opportunity for a senior database engineer working with a PostgreSQL environment at significant scale. You will take ownership of a database containing approximately 100 million records and help ensure it remains fast, reliable, secure, and scalable. The role combines hands-on performance optimization with database architecture and long-term technical evolution. You will investigate bottlenecks across queries, indexes, storage, and data operations while designing solutions for continued growth. You will also contribute to APIs, integrations, and automations connected to the database and the broader product ecosystem. The environment is ideal for someone who enjoys deep technical problem-solving and turning complex database challenges into practical, scalable solutions. This is a fully remote, full-time position based in Mexico City, with significant ownership over a critical part of the technology platform. ### Accountabilities - Take ownership of the administration, optimization, and continuous evolution of a large-scale PostgreSQL/Supabase database containing approximately 100 million records. - Analyze and optimize SQL queries, indexes, storage structures, and database performance to improve responsiveness, efficiency, and scalability. - Manage high volumes of data operations, including inserts, updates, and queries, while maintaining reliable performance as usage grows. - Investigate database bottlenecks and performance issues, identify root causes, and implement effective technical solutions. - Design and evolve database architecture to support increasing data volumes, application growth, and future scalability requirements. - Maintain strong standards for data integrity, availability, stability, security, and overall database reliability. - Develop and maintain APIs, integrations, and automations that interact with the database and support evolving product requirements. - Proactively identify technical risks and opportunities for improvement as the product and its data infrastructure continue to evolve. - Evaluate and adopt appropriate development and AI-assisted engineering tools to improve productivity, implementation quality, and technical problem-solving. ### Requirements - Solid professional experience working with PostgreSQL in production environments, particularly where database scale, performance, and reliability are critical. - Strong knowledge of advanced SQL, query optimization, indexing strategies, database performance analysis, storage, and relational database architecture. - Demonstrated experience working with large datasets and high-volume database operations, with a proven ability to identify and resolve performance bottlenecks. - Experience designing or evolving database architectures to support scalability, availability, data integrity, and long-term growth. - Professional experience with Supabase is highly valued. - Experience developing or maintaining APIs, integrations, and automations connected to databases is desirable. - Strong analytical and problem-solving abilities, with a hands-on approach to investigating complex technical issues and implementing practical solutions. - Ability to work independently, take ownership of critical technical challenges, and make sound architectural decisions in a remote environment. - Strong communication skills and the ability to collaborate effectively with technical and cross-functional stakeholders. - Experience using AI-assisted development tools such as Claude Code, Cursor, GitHub Copilot, or similar technologies is highly valued. - A strong technical curiosity and genuine enthusiasm for making systems faster, more stable, reliable, and scalable. - Professional experience specifically with PostgreSQL and exposure to significant database volumes will be particularly relevant for this position. ### Benefits - Fully remote work from Mexico. - Full-time employment. - Opportunity to work directly with a PostgreSQL database of approximately 100 million records. - High level of technical ownership over database performance, architecture, scalability, and reliability. - Exposure to Supabase and modern database infrastructure. - Opportunity to solve challenging, large-scale performance and architecture problems. - Opportunity to work with modern AI-assisted development tools such as Claude Code, Cursor, and similar technologies. - Hands-on involvement across database engineering, APIs, integrations, and automation. - Professional environment where technical expertise and problem-solving have a direct impact on product scalability. - Compensation and any additional benefits are determined by the hiring company and will be discussed during the recruitment process.