Staff Software Engineer

EarnIn; Mountain View (WY); Hybrid; USD 252,000 - 308,000; Full time

Job summary

EarnIn seeks experienced Staff Engineers to join our Growth engineering team. This hybrid role requires in-person work from our Mountain View HQ 2 days a week and focuses on the member acquisition and onboarding experience. The base salary range is $252,000–$308,000, with equity and benefits.

You will design and implement features, mentor engineers, and collaborate across backend, mobile, and web. AI-native workflows and robust microservice integrations are part of daily practice.

Qualifications

• Bachelor's/Master's/PhD in CS or related field or equivalent experience.
• 7+ years delivering software value in a collaborative environment.
• Experience with distributed architectures and trade-offs.
• Proficient in C# and Kotlin; ability to work with multiple languages.
• Familiarity with clean architecture and data storage (relational and document databases).
• Experience with AI-native development workflows and tools.

Responsibilities

• Design and implement new features; break down problems into essential design and write maintainable code.
• Mentor senior engineers and participate in code/design reviews.
• Design and deliver robust microservice integrations via REST/gRPC APIs.
• Contribute to technical direction, roadmaps, and risk management; communicate across teams.
• Estimate and manage team timelines and risks.
• Leverage AI tools to accelerate design and debugging across the stack.
• Contribute to hiring and onboarding of new engineers.

Skills

Distributed systems

C# programming

Kotlin programming

REST/gRPC

Mentoring

Communication

Cross-stack work

Education

Bachelor's degree in CS/Engineering

Equivalent industry experience

MS/PhD (optional)

Tools

GitHub Copilot

Cursor

ChatGPT

CI/CD

Job description

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

EarnIn seeks experienced, collaborative, resourceful staff‑level engineers to join our product development teams. As a Staff Engineer, you will work cross‑functionally with various teams and contribute to the design and development of new products. This role sits on our Growth engineering team, which owns EarnIn's member acquisition and onboarding experience, with a mission of making financial momentum accessible to more people by turning new members into engaged, trusting members of the EarnIn community. The base salary range for this full‑time position is $252,000‑$308,000 + equity + benefits. This hybrid position requires in‑person work from our Mountain View HQ 2 days a week.

What You’ll Do

• Drive the design & implementation of new features—break down complex problems into their bare essentials, translate this complexity into elegant design, and create high‑quality, maintainable code.
• Make a meaningful impact in the lives of our community members.
• Design & deliver robust microservice integrations via REST/gRPC APIs using various communication, consistency, and coordination strategies.
• Collaborate and mentor other senior engineers while providing thoughtful guidance using code, design, and architecture reviews.
• Contribute to defining technical direction, planning the roadmap, escalating issues, and synthesizing feedback to ensure team success.
• Estimate and manage team project timelines and risks.
• Use AI tools to work effectively across our stack and accelerate design, implementation, and debugging.
• Care passionately about producing high‑quality designs and code.
• Participate in hiring and onboarding for new team members.

What We’re Looking For

• Bachelor’s, Master’s, or PhD degree in computer science, computer engineering, or a related technical discipline, or equivalent industry experience.
• 7+ years of delivering value through software in a collaborative environment.
• Expertise in trade‑off analysis for distributed architectures.
• Proficient in at least one modern programming language and the ability to understand more than one—the job currently works in C# and Kotlin.
• Familiarity with the clean architecture approach.
• Experience with various data storage, including relational and document databases.
• Comfortable and experienced with AI‑native development workflows and tools (e.g., GitHub Copilot, Cursor, ChatGPT, or similar) as part of your day‑to‑day engineering practice.
• Ability to work across the stack (e.g., backend, mobile, web) is a plus.
• Excellent written and verbal communication skills.
• Ability to thrive in a fast‑paced, dynamic, result‑driven environment.
• Self‑motivated and able to work independently with minimal supervision.

EarnIn does not unlawfully discriminate based on race, color, religion, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), gender identity, gender expression, national origin, ancestry, citizenship, age, physical or mental disability, legally protected medical condition, family care status, military or veteran status, marital status, registered domestic partner status, sexual orientation, genetic information or any other basis protected by local, state, or federal laws. EarnIn is an E‑Verify participant.