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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer, AI Automations, Staff Engineer, Platform & Systems - **Company:** PERZSI LLC - **Location:** San Carlos, CA, United States - **Experience:** Expert - **Salary:** $175,000.0 - $350,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Computer Engineering, Distributed Systems, Python (Programming Language), Automation of Marketing, BIG-IP Global Traffic Manager (GTM), Software Engineering, Systems Architecture, Systems Integration, Core Voice Platform, Real Time Systems, ReactJS, Large Language Models, Backend, Information Technology, Front End Software Development, Software Coding, DocuSign - **Published:** August 24, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=d359d9e2fec08c46 ## About the Role * 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 ## Description 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. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Agentic employees in world's most downloaded FinTech app](https://www.wearedevelopers.com/videos/100123-agentic-employees-in-world-s-most-downloaded-fintech-app) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Building the Next Generation of Software](https://www.wearedevelopers.com/videos/100186-building-the-next-generation-of-software) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)