
Job Overview
Location
Indiana, USA
Job Type
Full-time
Category
Backend Engineer
Date Posted
March 4, 2026
Full Job Description
đź“‹ Description
- • As a Staff Backend Engineer at Stack AI, you will be instrumental in architecting, developing, and scaling the core backend systems that power our innovative no-code AI platform. This is a pivotal technical leadership role, offering the opportunity to shape the future of our infrastructure and set the engineering standards for a rapidly growing company.
- • You will be responsible for the end-to-end ownership of critical backend services, from the API layer to complex data pipelines, ensuring they are robust, scalable, and performant. This includes designing and implementing new features, optimizing existing systems, and proactively addressing potential bottlenecks.
- • A significant aspect of your role will involve leading the development and evolution of our authentication and identity infrastructure. You will own the integration and management of Single Sign-On (SSO), Security Assertion Markup Language (SAML), and OpenID Connect (OIDC) protocols, ensuring our platform meets enterprise-grade security and scalability requirements as our customer base expands.
- • You will play a key role in defining the technical direction of the backend engineering team. This involves establishing best practices for system design, service boundaries, data modeling, and formulating a long-term infrastructure strategy that supports our ambitious growth trajectory.
- • Your leadership will extend to mentoring and elevating the skills of the broader engineering team. Through constructive design reviews, pair programming sessions, knowledge sharing initiatives, and the establishment of clear best practices, you will foster a culture of technical excellence and continuous improvement.
- • Driving reliability and observability will be a core responsibility. You will proactively monitor system performance, identify potential issues before they impact users, and implement solutions to enhance the overall stability and resilience of our platform. This includes developing and refining our observability tooling and strategies.
- • You will collaborate closely with the founders and product leads, bringing a strategic perspective to technical decision-making. This involves balancing the need for rapid development in a fast-paced startup environment with the imperative of building sustainable, long-term solutions.
- • The role requires a deep understanding of distributed systems, database architecture, and strategies for scaling complex applications. You will be hands-on in designing and implementing solutions that can handle millions of users and a high volume of AI workflow executions.
- • You will contribute to the development and maintenance of systems related to entitlements management, usage-based metering, and billing, ensuring accurate tracking and reporting for our diverse customer base.
- • Your work will directly impact the user experience of thousands of organizations leveraging Stack AI to build and deploy AI-powered applications, from chatbots and document processing pipelines to sophisticated database Q&A tools.
- • This position offers a unique opportunity to be at the forefront of AI workflow development, working with cutting-edge technologies and contributing to a product that is democratizing AI development.
- • You will be part of a lean, high-impact engineering team where your contributions are highly visible and directly influence the company's technical roadmap and success.
- • The ideal candidate is a proactive problem-solver, a strong communicator, and a technical leader who thrives in dynamic environments and is passionate about building scalable, reliable backend systems.
- • You will be instrumental in ensuring our platform can support the transition from thousands to millions of users, a critical phase for Stack AI's growth.
- • This role is perfect for an engineer who is eager to architect complex systems at scale, mentor a growing team, and play a defining role in how AI workflows are built and delivered to organizations worldwide.
- • You will be expected to contribute to code reviews, architectural discussions, and the overall technical strategy, ensuring high-quality output and adherence to best practices.
- • The ability to translate business requirements into robust technical solutions will be paramount, ensuring our backend infrastructure effectively supports the no-code AI platform's functionality and user needs.
- • You will be a key player in maintaining and enhancing the security posture of our platform, particularly concerning user authentication and data handling.
- • This role demands a forward-thinking approach to infrastructure, anticipating future needs and implementing solutions that are both efficient and adaptable.
- • You will work with modern backend technologies and frameworks, continuously exploring and adopting tools that enhance productivity and system performance.
- • Your expertise will be crucial in ensuring the seamless integration of various data sources and AI models within our platform's backend architecture.
- • The opportunity to influence the technical culture and engineering practices within Stack AI is significant, making this a highly rewarding position for a seasoned backend leader.
Skills & Technologies
Python
FastAPI
PostgreSQL
AWS
Docker
Backend
Senior
Onsite
About Stack AI Inc.
Stack AI Inc. provides a low-code platform for building, deploying and scaling AI workflows and applications. Its cloud service offers drag-and-drop builders, pre-built templates, vector databases, model orchestration and enterprise-grade security, enabling teams to integrate large language models and data sources into chatbots, assistants and process automations without deep ML expertise.
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