Senior Software Engineer - Stability

Mercury is a fintech company focused on providing reliable banking services. The Senior Software Engineer - Stability will lead technical projects, champion system reliability, and improve the developer experience through effective software solutions.

Responsibilities:

• Lead Projects End-to-End: Drive technical projects from concept to production. Define solutions, analyze tradeoffs, make critical decisions, and deliver software that works today and is sustainable for tomorrow
• Champion Reliability: Make technical choices that improve the reliability of Mercury's systems and make it easier to get reliability by default. Participate in Stability's on-call and advocate for improvements based on that experience
• Measure Your Outcomes: Define and collect metrics that show how your work creates value for the business
• Approach Code with Craft: Write clear, testable, and maintainable code. Establish patterns and best practices that Engineering can follow, ensuring long-term scalability and reliability
• Build for Quality & Sustainability: Design extensible systems, make balanced decisions on tech debt, plan careful rollouts, and own the quality of your work through post-launch monitoring
• Improve the Developer Experience: Approach problems with a product mindset. Get close to internal customers by supporting them and getting feedback from them. You care as much about the business impact of what you build as the technical design

Requirements:

• Lead Projects End-to-End: Drive technical projects from concept to production. Define solutions, analyze tradeoffs, make critical decisions, and deliver software that works today and is sustainable for tomorrow
• Champion Reliability: Make technical choices that improve the reliability of Mercury's systems and make it easier to get reliability by default. Participate in Stability's on-call and advocate for improvements based on that experience
• Measure Your Outcomes: Define and collect metrics that show how your work creates value for the business
• Approach Code with Craft: Write clear, testable, and maintainable code. Establish patterns and best practices that Engineering can follow, ensuring long-term scalability and reliability
• Build for Quality & Sustainability: Design extensible systems, make balanced decisions on tech debt, plan careful rollouts, and own the quality of your work through post-launch monitoring
• Improve the Developer Experience: Approach problems with a product mindset. Get close to internal customers by supporting them and getting feedback from them. You care as much about the business impact of what you build as the technical design
• Has expertise in PostgreSQL with query optimization, tuning, replication, pooling/proxying, or client-side libraries
• Has worked with other data systems supporting a relational database: event streaming, OLAP, caches, etc
• Has authored and operated Temporal workflows
• Is familiar with tracing and OpenTelemetry
• Has learned by leading moderate-to-large technical projects, including planning, execution, and stakeholder management
• Has past Site Reliability Engineering or DevOps experience
• Has Haskell or other functional programming experience