Alfa AI offers an AI-powered recruitment agent, Lisa, designed to automate the screening and interviewing of candidates. Lisa operates 24/7, reducing the time spent reviewing resumes by 95% and increasing the number of interviewed candidates by 10x, with the goal of helping companies hire top talent 1% faster. The service supports any job, across all countries and industries, and can conduct live AI calls in over 30 languages with custom avatars. Alfa AI also provides resources such as a podcast, blog, and newsletter focused on AI and recruitment.
Alfa AI offers an AI-powered recruitment agent, Lisa, designed to automate the screening and interviewing of candidates. Lisa operates 24/7, reducing the time spent reviewing resumes by 95% and increasing the number of interviewed candidates by 10x, with the goal of helping companies hire top talent 1% faster. The service supports any job, across all countries and industries, and can conduct live AI calls in over 30 languages with custom avatars. Alfa AI also provides resources such as a podcast, blog, and newsletter focused on AI and recruitment.
Founders: Alfie Whattam (CEO); Ed Godshaw (CTO); Dr. Linda Yu, PhD (CRO)
Headquarters: Hackbridge, Sutton, United Kingdom
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Company Overview
Problem Domain
Recruitment technology / hiring automation
Founded
2022
Industry
Software Development
Tech Stack
Apple Mobile Web Clips Icon
Content Delivery Network
DNSSEC
Global Site Tag
Google Analytics
Google Tag Manager
HSTS
iPhone / Mobile Compatible
Organization Schema
Viewport Meta
Funding Track Record
Pre-Seed- 2025-02-18
USD 625,000
Reported valuation at the round: USD 6,000,000; other investors include David Rowe, Pierre Decote, and Chris Adelsbach.
Investor Signal
“Lead investor Fuel Ventures with participation from angel investors including David Rowe, Pierre Decote, and Chris Adelsbach.”
Founders
What we do
Join the Team
Principal Software Engineer & Team Lead
RemoteUS
Remote • US
Title: Principal Software Engineer & Team Lead
Start Date: Immediate
Position Type: Contract/ Full-time Employment
Location: Remote across USA
About the Role
We are building an infrastructure management platform from scratch—and we need a Principal Engineer who writes code, not just designs systems. You will build the core control plane in Typescript & Go: reconciliation loops, declarative APIs, state machines, and the primitives that make infrastructure programmable. You will also own the developer-facing frontend in TypeScript and Next.js. This is a hands-on technical leadership role. You will ship production code daily, own critical subsystems end-to-end, and set the technical bar for the team.
Key Responsibilities
As a Principal Software Engineer and team lead, you will:
Own architecture and system design for core platform services, ensuring they meet reliability, security, compliance, and performance requirements.
Lead end-to-end delivery of critical platform capabilities, from technical discovery and design through implementation, rollout, and ongoing improvements.
Drive technical excellence in the codebase, setting standards for code quality, testing, performance, and observability, and ensuring they are adopted across the team.
Mentor and grow senior engineers, providing clear technical direction, constructive feedback, and opportunities for ownership.
Collaborate with product, platform, and security leaders to translate business needs into technical roadmaps, and make thoughtful trade-offs between speed, safety, and maintainability.
Required Qualifications
Preferred Qualifications
Contributions to open-source infrastructure or developer tooling projects.
Experience building multi-tenant platforms with tenant isolation and resource management.
Deep PostgreSQL experience—schema design, query optimization, and handling high-write workloads.
Background with event-driven architectures and messaging systems (Kafka, NATS, etc.).
Experience designing secure systems with RBAC, secrets management, and compliance requirements.
Performance engineering skills—profiling and optimizing Go and TypeScript applications.
Prior experience at infrastructure or developer tools companies.
What We're Looking For
You write code that others learn from and have strong opinions on building maintainable systems.
You understand how infrastructure works and use that knowledge to build robust platforms.
You obsess over API design and developer experience.
You reason about distributed systems holistically and design for operability from day one.
You raise the bar for engineering quality and mentor engineers to grow.
You've shipped complex systems and know what it takes to go from design to production
Teeming tracks opportunities at over 24,000 AI startups, then works with you to find (and land) the one you'll love.
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Continuously improve platform operability, including deployment strategies, telemetry and alerting, incident response practices, and post-incident learning.
Identify and mitigate technical risks, proactively addressing scaling, reliability, and security concerns before they impact customers.
10+ years of software engineering experience, with 4+ years in senior/staff/principal roles shipping production systems.
Expert-level TypeScript proficiency—you can build complex, type-safe applications and reason deeply about the type system.
Expert-level Next.js experience building production full-stack applications with SSR, API routes, and modern React patterns.
Strong Go experience for backend services, CLIs, and systems-level tooling.
Deep expertise in API design—RESTful APIs, versioning, error handling, and building interfaces developers love to use.
Experience building control planes, reconciliation loops, or state machines for infrastructure automation.
Strong understanding of distributed systems principles and how to design for eventual consistency and failure.
Hands-on experience with cloud platforms (AWS/GCP/Azure) and infrastructure-as-code tools.
Proven ability to own and deliver complex systems end-to-end, from design through production operation.
Track record of mentoring engineers, setting technical direction, and raising the bar for code quality.
Experience building developer tools, SDKs, or CLIs that other engineers depend on.
Strong opinions on testing, observability, and building systems that are easy to debug and operate.
Principal Software Engineer & Team Lead | Alfa AI · Teeming.ai
