Lead AI Full-Stack Engineer — Build Production AI Systems

Sahaj Software; Austin (TX); On-site; USD 150,000 - 240,000; Full time

Job summary

Sahaj Software is seeking a highly experienced engineer for a deeply technical Lead Engineer role, translated internally to Solution Consultant. The work centers on building data-heavy, distributed systems and AI-powered software with near-constant coding presence.

The position emphasizes deep engineering impact, minimal process, and ownership across a global product footprint, including production-grade AI integrations and scalable architectures.

Qualifications

• Applicants must be a Green Card holder (Permanent Resident).
• We are unable to transfer/sponsor new H-1B visas or accept applicants who require future visa sponsorship.
• We are also unable to consider candidates currently on OPT even if you have started the H-1B process.

Responsibilities

• Design and build systems that deal with real-world complexity (not toy problems).
• Write production code frequently, not just review or direct.
• Build services and applications that interface with modern AI stacks - model APIs, embeddings, vector databases and other AI capabilities.
• Ship robust, production-level AI-powered systems.
• Work across languages when needed, not just your comfort zone.
• Break down messy problems into clean, maintainable systems.
• Push back on bad ideas, including ours.
• A “review-only” architect.
• Someone removed from the code.
• Someone whose job is primarily model training or ML research.

Job description

Sahaj Software is seeking a highly experienced engineer for a deeply technical Lead Engineer role, translated internally to Solution Consultant. The work centers on building data-heavy, distributed systems and AI-powered software with near-constant coding presence.

The position emphasizes deep engineering impact, minimal process, and ownership across a global product footprint, including production-grade AI integrations and scalable architectures.