Senior Fullstack Software Engineer

Responsibilities

• Design & build key components for EarnIn's time-and-attendance system.
• Develop robust, secure, and scalable backend services and APIs (Golang) while contributing to intuitive, accessible user-facing frontend (ReactJS) features for our new time & attendance product.
• Collaborate closely with product managers, designers, and fellow engineers to deliver high-impact features that meet the needs of customers end to end.
• Design, implement, and maintain scalable and reliable backend microservices for EarnIn's payroll products.
• Investigate and resolve production issues across the stack with a focus on root cause analysis, long-term stability, and continuous improvement.
• Contribute to building a modern, best-in-class platform that handles time-critical workflows with precision and reliability.
• Conduct code reviews to ensure code quality, adherence to best practices, maintainability, and alignment with project requirements, while providing constructive feedback to team members across backend and frontend codebases.
• Ensure the delivery of high-quality software features within established timelines.

Requirements

• 4+ years of development experience in a fast-paced environment.
• Bachelor's degree in computer science, computer engineering, or a related technical discipline, or equivalent industry experience.
• Experienced in building and maintaining end-to-end web applications using modern backend languages (e.g., Go, C#, Python) and frontend frameworks (e.g., React, TypeScript), with a strong focus on scalable architecture and user-centric design.
• Hands-on experience working with relational databases.
• Cloud experience, AWS preferred.
• Experience managing infrastructure and service configurations using Configuration as Code (e.g., Helm, Kustomize, Terraform).
• Deploy and operate backend services in a Kubernetes-based environment, optimizing for resiliency, scalability, and performance.
• Comfort collaborating across the stack, including working closely with design and product to translate requirements into user-facing functionality.
• Excellent written and verbal communication skills.
• Experience using AI-assisted development tools (e.g., GitHub Copilot, Cursor, ChatGPT, or similar tools) as part of your software development workflow
• Ability to thrive in a fast-paced, dynamic environment with a strong bias toward action and results.
• #LI-Hybrid
• EarnIn does not accept unsolicited resumes from indi

Benefits

Additional Information

About EarnIn As one of the first pioneers of earned wage access, our passion at EarnIn is building products that deliver real-time financial flexibility for those with the unique needs of living paycheck to paycheck. Our community members access their earnings as they earn them, with options to spend, save, and grow their money without mandatory fees, interest rates, or credit checks. We're fortunate to have an incredibly experienced leadership team, combined with world-class funding partners like A16Z, Matrix Partners, DST, Ribbit Capital, and a very healthy core business with a tremendous runway. We're growing fast and are excited to continue bringing world-class talent onboard to help shape the next chapter of our growth journey. POSITION SUMMARY We are looking for an experienced, passionate, and resourceful senior-level engineer with a proven track record to join the EarnIn payroll services team. In this role, you will participate in the design, development, and implementation of both backend services and the frontend experiences that power EarnIn's new time & attendance product . You'll work across the stack to ensure backend systems and user-facing applications are well-aligned, intuitive, and reliable. Come make a difference with us and have fun doing it! This position is ideally hybrid from our Mexico City office as part of our expanding site, though remote can be considered. EarnIn offers excellent benefits, including healthcare, internet and cell phone reimbursement, a learning and development stipend, and potential opportunities to travel to our Mountain View, CA headquarters. Our salary ranges are determined by role, level, and location.

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