> Markdown version of [/jobs/ext/4673761-sr-full-stack-engineer](https://www.wearedevelopers.com/jobs/ext/4673761-sr-full-stack-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Full-Stack Engineer - **Company:** ROCKSTAR PARTNERS LLC - **Location:** Austin, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, User Authentication, Cloud Database, Code Review, Continuous Integration, Relational Databases, Database Queries, DevOps, Github, Identity and Access Management, Node.Js, Next.js, Systems Integration, TypeScript, Data Logging, Chatbots, Large Language Models, Backend, Git, Build Management, Amazon Relational Database Service, Sentry, Production Code, Front End Software Development, Cloudwatch, Restful APIs, Pagination, Webhooks, Data Pipelines, Api Management - **Published:** November 11, 2026 - **Apply:** https://startup.jobs/sr-full-stack-engineer-rockstar-10735755 ## About the Role * 6+ years of full-stack engineering experience with demonstrated ownership of both front-end and back-end systems * Proficiency in React and Next.js; the Partner Portal is built on this stack and you will be expected to contribute to it * Strong TypeScript skills, plus back-end experience with Node.js and RESTful APIs * Strong API integration experience (authentication, pagination, rate limits, retries, error handling, and logging), including webhooks and server-side events * Strong SQL skills and experience with relational databases and cloud data stores * A track record of shipping tested, production-quality code through modern Git and CI/CD workflows * Experience in cross-functional product teams alongside Product Managers, and working directly with third-party vendors, agencies, or platform providers on technical deliverables * Ability to translate between business needs and engineering decisions for technical and non-technical stakeholders * Ability to work in person at the Austin, Texas office Nice to Have * Hands-on AWS experience (e.g., ECS, Lambda, RDS, IAM, CloudWatch) * DevOps experience: owning CI/CD pipelines (GitHub Actions), environment management, and deployment tooling * Infrastructure-as-code experience (e.g., AWS SAM) * Experience setting up monitoring, logging, and alerting across dev, staging, and production ## Description * Build within the Partner Portal, a Next.js / TypeScript / Convex application hosted on Vercel, with Clerk for authentication and Sentry for monitoring, as well as the behavioral platforms * Build clean, accessible front ends and reliable back-end services and APIs * Design and build AI-powered features, including LLM-powered tools, chatbots, and AI-assisted workflows, where they add real value * Write well-tested, maintainable code, take an active part in code review, and instrument features with logging and error monitoring so issues are caught before users notice them * Ship through the team's CI/CD pipelines across dev, staging, and production, applying shared security practices: authentication, access control, and dependency updates Systems Integration * Build and maintain custom APIs and integrations between the organization's applications and third-party platforms * Handle the details that make integrations dependable: authentication, pagination, rate limits, retries, error handling, and logging * Support data pipelines and data quality checks that feed reporting and day-to-day operations Product, Team & Partner Collaboration * Partner closely with the Product Manager to translate product goals and business requirements into technical approaches, scope work, identify tradeoffs, and deliver iteratively * Work directly with designers, program staff, and stakeholders to understand needs and validate solutions * Serve as a technical point of contact for third-party vendors, agencies, and platform providers, leading integration work (API contracts, data formats, timelines, and testing) and reviewing partner-delivered code for quality, security, and architectural fit * Evaluate new tools and vendors and make clear build-vs-buy recommendations * Step in to support other pods and projects as priorities shift, A senior engineer who is as comfortable architecting a system as writing the code to build it, and who does their best work as part of a small, in-person team. Specifically: * AI-native: You architect and direct while AI executes. AI-assisted development isn't a bonus here; it's how you already work. * Biased toward action: You identify problems, propose solutions, and move without waiting to be asked. * Flexible and communicative: You move across pods and projects as needs change, document your work, and keep others informed in an environment where the work is not always fully defined.