Senior Software Engineer, AI Automations, Staff Engineer, Platform & Systems

We’re looking for a Principal/Staff Engineer to help own the technical direction of our core platform. This is a staff-level IC role for someone who thrives in ambiguity, moves fast, and raises the bar for everyone around them.

You’ll work across systems, infrastructure, and product surfaces - partnering closely with engineering, product, and leadership to scale what’s already working and build what’s next.

This is not a “ticket taker” role. You’ll define problems, design solutions, and ship., * Own the design and evolution of core platform and systems architecture.

• Lead complex technical initiatives end-to-end, from concept to production.
• Make high-leverage technical decisions that balance speed, reliability, and scale.
• Raise the technical bar through design reviews, mentoring, and hands-on leadership.
• Partner closely with product to translate business needs into robust technical solutions.
• Identify and resolve performance, scalability, and reliability bottlenecks.
• Help define engineering best practices as we scale the team and platform., As a Senior Software Engineer, AI Automations at Retell, you will build and own the internal systems that power how the company operates, sells, hires, and stays compliant.

This is a high-leverage, cross-functional engineering role focused on automating business-critical workflows across HR, GTM, Finance, Security, and Operations. You’ll work directly with founders and functional leaders to turn manual, error-prone processes into scalable, reliable systems using modern tooling, APIs, and LLMs.

This role is ideal for an engineer who enjoys full-stack development, moves quickly in 0-1 environments, and wants to deeply understand how a fast-growing AI company actually runs.

KEY RESPONSIBILITIESBuild Core Business Automations

• Design and implement internal tools and workflows that automate key business processes across the company.
• Own systems end-to-end: requirements, architecture, implementation, deployment, and iteration.

HR & Recruiting Automation

• Build resume ingestion and candidate evaluation pipelines, including extracting signals and structured attributes from resumes.
• Implement candidate scoring systems to estimate likelihood of passing interviews.
• Develop AI-assisted recruiting tools (candidate screening, recruiter assistants, interview coordination).
• Automate candidate email outreach, follow-ups, and status updates.

Security & Compliance Tooling

• Build and maintain automations for customer contracts, including BAA, DPA, and DocuSign workflows.
• Create systems to automate customer security and compliance questionnaires.
• Partner with legal and security stakeholders to encode compliance logic into reliable tools.

Operations & Finance Automation

• Build account receivable workflows, invoicing support, and automated customer communications.
• Develop tooling for enterprise customer onboarding and account setup.
• Reduce operational overhead by replacing manual processes with robust internal systems.

GTM & Revenue Engineering

• Build and maintain automations across CRM and GTM systems.
• Implement customer lifecycle automations across signup, onboarding, expansion, and renewal.
• Support targeted website, ads, and email personalization workflows.
• Partner closely with GTM teams to ship tools that directly impact revenue efficiency.

Integrations & Platforms

• Integrate with third-party systems
• Design APIs and internal services that scale company growth.

• You have 9+ years of experience building and operating production systems.
• You’ve operated at Staff or Principal level (or equivalent scope), even if the title wasn’t official.
• You’re strong in systems design and can reason clearly about tradeoffs.
• You move fast but care deeply about correctness, reliability, and maintainability.
• You’re comfortable owning ambiguous problems and defining the path forward.
• You’ve built or scaled platforms used by real customers at meaningful volume.
• You enjoy being hands-on - writing code, reviewing designs, and unblocking teams.

Bonus points if you’ve worked with: distributed systems, Voice AI, real-time systems, APIs at scale, infra/platform work, or developer-facing products., * Have a Bachelor’s degree in Computer Science, Computer Engineering, or a closely related technical field.

• Have 2+ years of full-stack professional software engineering experience
• You’ve worked with React and Python for 1+ year and are comfortable building and iterating on user-facing features.
• Have 1+ year of startup experience and are comfortable with ambiguity and fast iteration.
• Are strong across backend, frontend, and integrations, not just one layer.
• Enjoy working on internal tools that directly impact how teams operate.
• Can translate messy business problems into clean technical systems.
• Move quickly on 0-1 projects without needing heavy process or direction.
• Communicate clearly with non-engineering stakeholders and cross-functional partners.
• Prefer ownership and responsibility over narrowly scoped tickets.
• Experience partnering closely with GTM, Ops, Finance, or Legal teams is a plus
• Prior work on internal tooling, automation platforms, or workflow systems is a plus
• Hands-on experience with CRM, billing, or compliance-related systems is a plus

Pulled from the full job description

• Health insurance
• Vision insurance
• Dental insurance
• Relocation assistance
• Cell phone reimbursement
• Internet reimbursement, OTHER BENEFITS
• 100% coverage for medical, dental, and vision insurance
• $70/day DoorDash credit for unlimited breakfast, lunch, dinner, and snacks
• $200/month wellness reimbursement (gym, fitness classes, etc.)
• $300/month commuter reimbursement (gas, Caltrain, etc.)
• $75/month phone bill reimbursement
• $50/month internet reimbursement, * $70/day DoorDash credit for unlimited breakfast, lunch, dinner, and snacks
• $200/month wellness reimbursement (gym, fitness classes, etc.)
• $300/month commuter reimbursement (gas, Caltrain, etc.)
• $75/month phone bill reimbursement
• $50/month internet reimbursement

Pay: $175,000.00 - $350,000.00 per year