Senior Full Stack Software Engineer, Communications Platform

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what’s possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary Rivian’s Communications Platform team builds the core systems that power customer and agent communication across voice, chat, SMS, email, and in-app messaging. We are seeking a Senior Full Stack Software Engineer (Frontend-Focused) to lead the development of modern, scalable frontend applications while contributing to robust backend services. In this role, you will help shape intuitive, high-performance user experiences for internal operations teams and build the APIs and infrastructure that support real-time, omni-channel communications at scale. Responsibilities Frontend Architecture & Development: Design, implement, and maintain scalable, performant frontend applications using React and TypeScript, with a strong focus on usability, maintainability, and design system consistency. UI/UX Excellence: Translate product requirements and design mocks into high-quality, accessible, and responsive user interfaces. Drive improvements in user experience for agent- facing and internal operational tools. Full Stack Ownership: Build and maintain backend microservices using NodeJS and NestJS, ensuring seamless integration between frontend and backend systems. API Development: Design and maintain RESTful APIs and GraphQL to enable efficient and secure data exchange between frontend applications and backend services. Real-Time & Event-Driven Systems: Integrate messaging and event-driven architectures using AWS SQS/SNS and other messaging services to power real-time communication workflows. Cloud Technologies: Leverage AWS services such as Lambda, EKS, and related cloud infrastructure to deploy and scale applications. Data Storage: Work with DynamoDB, Elasticsearch, and SQL/NoSQL databases to support high-volume communication data and reporting needs. Performance Optimization: Drive frontend performance improvements (bundle size, rendering optimization, state management) and backend scalability enhancements. Technical Leadership: Provide mentorship to engineers, lead design discussions, and establish best practices for frontend architecture, code quality, and testing strategies. Quality Assurance: Write comprehensive unit and integration tests across frontend and backend systems. Actively participate in code reviews to maintain high engineering standards. Cross-Functional Collaboration: Partner closely with Product, Design, Data Engineering, DevOps, and Operations teams to deliver high-impact communication capabilities across Rivian. Documentation: Create and maintain clear technical documentation for frontend architecture, APIs, and system designs Qualifications Bachelor’s or Master’s degree in Computer Science or a related field. 5+ years of professional software development experience, with significant frontend expertise. Strong proficiency in React, TypeScript, and modern frontend architecture patterns Strong understanding of frontend performance optimization, accessibility, and responsive design principles. Experience designing scalable UI systems and working with component libraries or design systems. Experience designing and building scalable backend services using NodeJS, RESTful APIs, and GraphQL Hands-on experience with AWS cloud technologies (Lambda, EKS, SQS/SNS). Experience with DynamoDB, Elasticsearch, or similar data stores. Proven ability to lead technical initiatives and mentor other engineers. Excellent communication skills and ability to work in a fast-paced, cross-functional environment. Familiarity with CI/CD pipelines and DevOps best practices. Nice to have Experience building real-time communication platforms (chat, messaging, voice, or contact center systems). Experience with containerization and orchestration using Docker and Kubernetes. Exposure to event-driven architectures and high-scale distributed systems. Experience integrating third-party communication platforms (e.g., Twilio, messaging APIs). Equal Opportunity Rivian is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law. Rivian is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at candidateaccommodations@rivian.com. Candidate Data Privacy Rivian may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Rivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Rivian may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian affiliates; and (iii) Rivian’s service providers, including providers of background checks, staffing services, and cloud services. Rivian may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions. Please note that we are currently not accepting applications from third party application services.