Full-stack Engineer

We’re looking for an experienced, collaborative, and resourceful Senior Full Stack Engineer to join our team. Our Early Bets initiatives are critical to EarnIn’s success, providing new experiences and products for our users to ensure they are empowered with a more comprehensive ecosystem of solutions. We seek engineers who thrive in uncertainty and excel at defining technical solutions in ambiguous environments and collaborating closely with Product teams to refine requirements. The ideal candidate has experience building 0-to-1 products end-to-end, demonstrating a strong ability to design and implement scalable architectures across the full stack that support rapid product evolution. Candidates with backgrounds in early-stage software products engineered for scale or those who have worked in Research & Development for new technologies will fit well in our team., * Partner with Product and Design to define, build, and evolve user experiences across the full stack using modern frontend and backend technologies.

• Own and evolve both frontend and backend architecture to ensure scalability, performance, accessibility, and long-term maintainability.
• Lead the design and implementation of complex frontend systems using React, TypeScript, and Next.js, including SSR, routing, data fetching, and performance optimization.
• Design and build robust backend services and APIs using Python and Django, with a focus on reliability, security, and scale.
• Establish and uphold full stack engineering standards, including patterns, tooling, testing strategies, and CI/CD best practices.
• Drive cross-team technical initiatives, aligning frontend and backend architecture with platform capabilities and product strategy.
• Proactively identify technical risks and opportunities across the stack, providing clear technical direction and tradeoff analysis.
• Mentor and guide engineers across frontend and backend disciplines, raising the bar on code quality, architectural thinking, and delivery practices.
• Design and implement robust unit, integration, and end-to-end automation tests across the full stack.
• Define and monitor full stack metrics (performance, reliability, user behavior) to inform product and technical decisions., Develop and maintain Java and React applications using Spring Boot, microservices, AWS ECS, and DevOps practices. Build scalable cloud applications, data pipelines, integrations, and tooling; optimize performance and reliability; troubleshoot production issues; and collaborate with designers, product owners, engineers, and business stakeholders. The role also involves data-driven insights, Agile delivery, CI/CD, code reviews, and exploring AI-enabled user interface solutions. Top Skills: AgileAmazon AuroraAws EcsAws GlueAws LambdaAws S3Ci/CdDevOpsJavaJenkinsKafkaMicroservicesPostgresPythonReactReact Micro FrontendsScrumSpinnakerSpring BootSQL SaaS Talent, Own end-to-end development of a custom coaching and community platform, with a backend focus on security, scalability, reliability, and performance. Assess and improve the existing codebase, design PostgreSQL and Prisma data models, build Vue.js features, integrate third-party services, and implement comprehensive testing. The role requires independently shipping production features, identifying technical risks, and preparing the platform for a public launch. Top Skills: Ai Coding AgentsAnthropicLivekitNuxtPgvectorPostgresPrismaRelational DatabasesStripe ConnectTwilioVueZoom

What you need to know about the Colorado Tech Scene

With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.

Key Facts About Colorado Tech

• Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
• Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
• Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
• Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
• Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
• Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute

• Bachelor’s (or higher, e.g., MS, or PhD) in Computer Science or a relatedtechnical field involving coding, or equivalent technical experience.
• Strong proficiency in modern frontend development, including HTML, CSS, JavaScript, TypeScript, React, and Next.js.
• Proficiency in backend development using Python and Django, including RESTful, API design, data modeling, and service architecture.
• Strong experience with frontend architecture, including state management, component design, design systems, and performance optimization.
• Experience designing and operating backend systems at scale, including databases, caching, queuing, and API integrations.
• Experience building and operating production applications using both server-side and client-side rendering.
• Deep understanding of software engineering best practices across the SDLC, including testing, code reviews, observability, and operational excellence.
• 4+ years of industry experience, with meaningful depth across both frontend and backend development.
• Experience working in cloud-based environments (AWS, GCP, or Azure), particularly as it relates to full stack delivery and integration.
• Experience using AI-assisted development tools (e.g., Copilot, Cursor, LLMs)

Build and evolve scalable full-stack products using React, TypeScript, Next.js, Python, and Django. Own frontend and backend architecture, APIs, testing, CI/CD, observability, performance, and reliability. Collaborate with Product and Design, lead technical initiatives, identify risks, define solutions in ambiguous environments, and mentor engineers. Develop 0-to-1 experiences and production systems across cloud-based environments while establishing engineering standards and monitoring technical and product metrics. The summary above was generated by AI 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., The base salary range for this full-time position is $195,821 - $279,825 plus equity and benefits. Our salary ranges are determined by role, level, and location. This is a remote role in the US, however those local to Mountain View (headquarters) will require in-office work 2 days a week., Yesterday Remote or Hybrid 286K-359K Annually Senior level 286K-359K Annually Senior level Fintech * Machine Learning * Payments * Software * Financial Services Leads multiple teams of software engineers, setting technical strategy, architecture standards, talent plans, and delivery practices. Partners with product and executive leaders to build scalable, resilient, customer-focused platforms. Oversees full-stack solution design, development, testing, deployment, AWS implementation, and production support while mentoring engineering leaders and improving organizational velocity, innovation, and engineering excellence. Top Skills: Agentic Ai Coding ToolsAWSC#DatabasesGoGoogle Cloud PlatformJavaJavaScriptMachine Learning SystemsAzureNetworking ProtocolsPythonRustScalaSpa FrameworksTypescript JPMorganChase