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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer (React.js, API) - **Company:** SUNDAE, INC. - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Software Quality, Software Debugging, Interoperability, Ruby on Rails, Software Engineering, Web Application Frameworks, Web Services, ReactJS, Reliability of Systems, Backend, Servicebus, Graphql, Amazon Simple Queue Service (SQS) - **Published:** September 8, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/pigm1le9gt ## About the Role * 8+ years of experience in software engineering, with a proven track record of building and deploying production-grade products or platforms. * Proficiency in designing, developing, and maintaining APIs and services. * Extensive experience with message-based systems such as Sidekiq, SQS, NServiceBus, or similar technologies. * Strong knowledge of GraphQL and modern frontend frameworks like React. * Hands-on experience with Ruby on Rails or comparable backend frameworks. * Ability to own entire systems, including operational support and production troubleshooting. * Experience working collaboratively with product managers and cross-functional teams to deliver scoped projects. * Pragmatic, execution-oriented mindset with a focus on delivering high-quality solutions. * Excellent communication skills and a collaborative approach to teamwork. * Experience working across teams to influence and drive projects forward. * Comfort with working in fast-paced environments and adapting to evolving requirements. ## Description The Staff Software Engineer for Retirement at Gusto plays a pivotal role in developing and maintaining the systems that enable thousands of businesses to offer and manage 401(k) retirement plans for their employees. This is a highly technical, hands-on role that involves owning full-stack services and APIs from conception through deployment, ensuring robust, scalable, and reliable solutions. The engineer will collaborate closely with product managers, compliance teams, and operations to translate complex financial and legal requirements into seamless software functionalities. The role demands problem-solving expertise, a commitment to quality, and the ability to influence cross-functional teams to deliver impactful features. The ideal candidate will have a passion for building systems that have a tangible positive impact on people's lives by helping secure their financial futures., * Design, develop, and deploy scalable services and features that enable companies to offer and manage 401(k) plans for their employees. * Identify opportunities to enhance and extend existing system architectures to support new capabilities and compliance requirements. * Establish and promote engineering best practices, including code quality, testing, and operational procedures. * Collaborate with product, design, and operations teams to scope work, prioritize tasks, and deliver high-quality, production-ready solutions. * Debug and resolve production issues, improving system reliability, observability, and operational tooling. * Work with other engineering teams to integrate shared systems and platforms, ensuring seamless interoperability. * Write clear, well-tested, and reliable code that scales efficiently and ships rapidly. * Participate in architectural discussions and contribute to the continuous improvement of the technical stack. * Mentor junior engineers and foster a culture of learning and innovation within the team. ## Related Videos - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)