Software Engineer (Backend)

• Design and implement backend features that drive EarnIn’s Growth funnel — from onboarding and cross-sell to retention and engagement
• Build and maintain scalable, event-driven microservices that enable experimentation, real-time personalization, and data-driven decision-making
• Collaborate with Product, Data, and Marketing teams to translate growth hypotheses into technical solutions and run experiments that move key metrics
• Ensure system performance, scalability, and reliability, especially under high throughput and real-time conditions
• Develop automation and testing frameworks to maintain velocity and confidence in continuous integration and deployment pipelines
• Debug and resolve production issues, working across multiple service layers to maintain system stability and uptime
• Proactively identify opportunities to generalize solutions, building reusable infrastructure and APIs that accelerate team development
• Partner with mobile, web, and analytics teams to ensure cohesive end-to-end experiences across platforms

• 3+ years of backend software engineering experience, ideally in distributed or microservice-based systems
• Strong fundamentals in service architecture and API design, with experience building reliable, performant systems at scale
• Proficiency in at least one modern backend language, such as Kotlin, Java, C#, or Python, and openness to learning new technologies as needed
• Experience with SQL databases (e.g., PostgreSQL, MySQL) and familiarity with NoSQL systems is a plus
• Familiarity with event-driven patterns (queues, messaging, background jobs) and REST/gRPC services
• Collaborative mindset, with experience working alongside product, data, and design teams to deliver user-facing impact
• Strong testing and debugging skills, with experience maintaining high-quality services in production
• Excellent communication and problem-solving abilities, with a proactive approach to learning and iteration

Experience with experimentation frameworks, growth systems, or AI-powered personalization tools

• healthcare
• internet and cell phone reimbursement
• a learning and development stipend
• potential opportunities to travel to our headquarters in Mountain View