Senior Software Engineer, AI Automations
Retell AI
RemoteFull Time200K - 290Kengineering
Team 11-50
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Retell AI
4 other open positions
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Retell AI is using the first principles to reimagine the call center with cutting edge voice AI.
Since launching 18 months ago, thousands of companies now utilize Retell’s AI voice agents to handle sales, support, and logistics calls that once required large teams of human agents. Backed by Y Combinator, Alt Capital, and other leading investors, we have scaled to $36M ARR with a team of 20 people, up from $5M at the start of 2025.
Our vision for 2026 is to build a modern CX platform where entire contact centers are powered by AI. Instead of basic automation that needs constant human tuning, we’re creating intelligent AI “workers” that can act as frontline agents, QA analysts, and managers — continuously executing, monitoring, and improving customer interactions.
We’re growing quickly and looking for ambitious builders who want to tackle hard technical problems, move fast, and have real impact at one of the fastest-growing voice AI startups.
Let’s build the future together.
We’re a top 50 AI app in a16z list: https://tinyurl.com/5853dt2x
#4 on Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025
We're also one of the top ranking startups on: https://leanaileaderboard.com/
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.
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.
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.
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.
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.
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.
Integrate with third-party systems
Design APIs and internal services that scale company growth.
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
Cash: $200k - $290k
Equity : Equity Provided
Location : Redwood City, CA, US
US Visas : Retell AI is open to sponsoring work authorization for qualified candidates, including H1B/H-1B, TN, L-1, E-3, F-1 (OPT/CPT), and O-1 visas.
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
Best Offer Upfront: Choose from three cash-equity balance options; no negotiation needed.
Top 1% Talent: Above-market pay (top 5 percentile) to attract exceptional builders.
High Ownership: Small teams, >$1M revenue/employee, and significant equity.
Performance-Based: Offers tied to interview performance, not experience or past salaries.
Recruiter Intro Call (15 min): Have a call with a recruiter to discuss your background, motivation, and role alignment.
Technical First Round (45 min): Assessment of full-stack fundamentals: this will be a brief live building session with our founder.
Onsite (3 hours):
#LI-JC1
Supercharge Your Contact Center Operations with AI Phone Agents
Sector
B2B Software and Services
Team Size
11-50
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