> Markdown version of [/jobs/ext/4694128-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/4694128-senior-software-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). --- # Senior Software Engineer - **Company:** Stealth Startup - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $200,000 - $260,000 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Applications Architecture, Software Applications, Cloud Computing, Software Quality, Continuous Integration, Data Infrastructure, Database Design, Database Queries, PostgreSQL, Node.Js, Software Architecture, AI-enabled Products, Software Deployment, Software Engineering, Systems Integration, TypeScript, ReactJS, Large Language Models, Backend, Infrastructure Automation Frameworks, Front End Software Development, Restful APIs, Service Stack - **Published:** November 12, 2026 - **Apply:** https://www.thejobnetwork.com/job/fd0057f3-bef5-4013-833d-09f1a6d69ec7/senior-software-engineer ## About the Role We are seeking a Senior Software Engineer with strong full-stack engineering experience to help build and scale the company's core platform., * 5+ years of professional software engineering experience. \n * Strong full-stack development experience with React, TypeScript, and Node.js. \n * Experience designing and developing backend services, REST APIs, and distributed application architectures. \n * Strong experience working with PostgreSQL, including database design, optimization, and data modeling. \n * Hands-on experience building and deploying applications within AWS. \n * Understanding of modern software architecture, cloud infrastructure, and scalable application development. \n * Experience taking ownership of projects and delivering production-quality software. \n * Strong problem-solving skills and the ability to operate autonomously in a fast-moving environment. \n * Excellent communication and collaboration skills. \n, * Experience working at an early-stage startup or high-growth technology company. \n * Exposure to healthcare technology, healthcare workflows, or regulated environments. \n * Experience building AI-enabled products or integrating LLM-powered capabilities into software applications. \n * Experience with infrastructure automation, CI/CD, monitoring, and production observability. \n * A product-oriented engineering mindset with an interest in shaping both technical and business outcomes. ## Description This is an opportunity to join a high-growth organization at an early stage, work alongside a talented engineering team, and have a meaningful impact on the product, technology, and overall direction of the business., You will work across the entire technology stack, developing intuitive frontend experiences, scalable backend services, and reliable data infrastructure. This is a highly hands-on role suited to an engineer who enjoys solving complex technical problems, taking ownership of features from concept through deployment, and contributing to architectural and product decisions. \n As an early engineering hire, you will have significant influence over engineering standards, technical direction, and the evolution of the platform. \n Responsibilities \n \n * Design, build, and maintain scalable full-stack applications using React, TypeScript, and Node.js. \n * Develop intuitive, high-quality frontend experiences and reusable UI components. \n * Build robust backend services, APIs, and integrations to support core product functionality. \n * Design and optimize PostgreSQL databases, data models, and complex queries. \n * Develop, deploy, and maintain cloud infrastructure and applications within AWS. \n * Collaborate closely with product, design, and engineering leadership to translate business requirements into technical solutions. \n * Take ownership of projects across the entire software development lifecycle, from architecture and development through testing, deployment, and optimization. \n * Establish engineering best practices around code quality, testing, performance, reliability, and scalability. \n * Contribute to architectural decisions and help shape the company's technical roadmap. \n * Work in a fast-paced startup environment where engineers have direct input into product direction and business outcomes. \n