Applications Development Senior Programmer Analyst at Citi enhancing application systems and contributing to programming activities in team - oriented environment.
About the role
- Founding Engineer building and maintaining an AI Front Desk application at Lex Technologies. Collaborating with early-stage startup leadership to translate feedback into production-ready features.
Responsibilities
- Execute the "Ava" Core Engine: Build and maintain the end-to-end inbound and outbound call workflows, ensuring that STT, LLM orchestration, and TTS work in a tight, low-latency loop.
- Architect Internal High-Leverage Tools: Develop the "Ava Hub"—the internal mission control that allows our non-technical team to tune scripts, review outcomes, and adjust AI behavior without needing a deploy.
- Own Production Observability: Build the logging, alerting, and audit trails necessary to provide lawyers with total transparency into how Ava is representing their firm.
- Partner with Leadership: Work directly with the CTO and Founder to translate pilot feedback into production-ready features, moving with the speed and pragmatism required in an early-stage startup.
Requirements
- **Must have**
- 5+ years of professional software engineering experience.
- Experience building and shipping production systems.
- Proficiency with: Python, Javascript / Typescript, PostgreSQL/ MySQL and GCP or equivalent
- Comfort working across the full stack—backend, front end, database management systems
- Startup or early-stage experience is strongly preferred.
- Must have a bachelor's degree in Engineering (Computer Science/ Information Science/ Information Technology) preferred
- **Good to have **
- Familiarity with Conversational AI with voice agents or call-center systems.
- Familiarity with:
- OpenAI / Anthropic or similar LLM APIs
- Twilio APIs, Speech-to-Text, and Text-to-Speech
- Event-driven systems
- Failure handling and retries
- Modern coding agents (Claude Code / Vercel)
- Experience with DevOps in a cloud environment
Benefits
- Early equity with real upside: Receive meaningful equity as one of the earliest engineers, with the opportunity to grow into long-term ownership as the company scales.
- Hands-on ownership from day one: Work on core product features and systems end-to-end, with increasing responsibility and autonomy as the business grows.
- Step into a founding role: Transition to early technical leader, gaining exposure to product decisions, customer feedback, and startup execution.
- Career acceleration: Develop skills beyond pure engineering—architecture, product thinking, and early-stage problem solving—at a pace unmatched in larger companies.
- Close collaboration with founders: Work directly with experienced founders and operators, learning how early-stage companies are built from the inside.
- Strong mentorship and growth: Learn alongside ambitious builders in a high-trust environment that values curiosity, ownership, and continuous improvement.
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