Full-Stack Software Engineer

EngRadar
San Francisco, California, United StatesFull-time$100,000–$250,000Posted Aug 29, 2026

About the role

EngRadar / Alex

Full-Stack Software Engineer

Alex

We're building the future of hiring: our AI recruiter conducts live job interviews, helping companies get deep hiring signals faster and more efficiently than ever before.

San Francisco Full-time Posted today hrtech

$100k–$250k Apply directly →

Why Alex?

Alex is one of the fastest-growing startups to come out of its YC batch with strong traction. We’re revenue-generating, well-funded, and backed by premier investors with years of runway.

We’re building the future of hiring. Our AI recruiter conducts live job interviews, helping companies get deep hiring signals faster and more efficiently than ever before. Customers love the product - and we’re just getting started.

Who are we?

We’re People Who

genuinely enjoy solving complex engineering problems

learn quickly and do what it takes to deliver results

work really, really hard

move with urgency

enjoy and value working together in person in San Francisco 5 days a week

What technologies do we use?

Experience Preferred In

Javascript (Typescript, React, Node, Next)

Python

Cloud / DevOps (Azure, Kubernetes, Docker)

System Architecture

What can I work on?

Alex Is Similar To a Marketplace, As We Serve Both Candidates Through The Interview Experience And Employers Through a Data Aggregation And Analysis Platform. As a Hands-on Engineer, You Will Build Both Consumer-facing And Enterprise-grade Software With a Clear Opportunity For Growth. Problems That You Could Work On Related To Consumer Software Are

How can we bring the average interviewer response latency down to 200ms?

How can we fine-tune our models to decrease hallucination and help Alex pass the Turing test?

How will our system architecture change as we scale to thousands more users, concurrently?

Problems that you could work on related to enterprise software are:

How do we integrate with our customer’s internal hiring systems?

What’s the best way to present interview results visually and as fast as possible?

How can Alex expand to coordinating the hiring process end to end?

And many, many feature requests that need to be built out!

What’s in it for me?

Take ownership of building the next billion dollar company

Collaborate with a tight-knit team of talented builders

Launch products that directly impact people’s careers

Work with the founding team daily in-person in San Francisco

Competitive salary and equity

Health insurance, unlimited PTO, and great company events

If you’ve gotten this far and our culture/tech resonates with you, we want you to apply. Your first conversation will be with Alex, our AI recruiter.

Posted by Alex on their own careers page — you apply directly, no recruiter in between. View original / apply →

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Responsibilities

  • Build consumer-facing and enterprise-grade software
  • Integrate with customer’s internal hiring systems
  • Present interview results visually and quickly
  • Coordinate the hiring process end to end

Qualifications

  • Experience with Javascript (Typescript, React, Node, Next)
  • Proficiency in Python
  • Familiarity with Cloud/DevOps (Azure, Kubernetes, Docker)
  • Understanding of system architecture

Benefits

  • Competitive salary and equity
  • Health insurance
  • Unlimited PTO
  • Great company events

Skills mentioned

JavaScriptTypeScriptReactNode.jsNext.jsPythonMicrosoft AzureKubernetesDockerSystem Design

About EngRadar

EngRadar is a direct-apply tech job board. We surface open engineering and product roles straight from companies' own Greenhouse, Lever and Ashby career pages — no recruiters, no aggregators, no ghost jobs. Browse fresh, daily-updated jobs across full-stack, AI/ML, backend, data, DevOps, product, design and security — each linking directly to the employer's application. We also publish measured, first-party hiring data: monthly hiring reports, the fastest-growing companies, and disclosed-salary benchmarks. Find the roles worth applying to at engradar.com.

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