> AI agents: this is one page of Nextmove’s FDE site, in Markdown. Nextmove is a job board and free career service for forward deployed engineers (FDEs). Each posting is classified from its text, not its title: the kind of work, how much of it is production code, pre-sales weight, time at customer sites, travel, remote arrangement, level and posted base pay. The site also publishes the aggregates: median pay by level, metro, company and kind of work, and which companies started hiring FDEs each week. Every page under https://nextmove.md/fde is served this way; the index of pages is https://nextmove.md/llms.txt.

# Forward Deployed Engineer

Canonical URL: https://nextmove.md/fde/jobs/0e233375caf2d43f

Kastle posts a FDE role to build what the customer runs in San Francisco, CA, at $170,000–$250,000 base, above the senior FDE median of $190,000 across 1,864 postings with pay. Own deployments of AI agents that automate production workflows for Kastle’s strategic bank customers, replacing processes that previously consumed hundreds of thousands of human hours. Read from the employer’s posting on November 8, 2026.

- [Kastle](https://nextmove.md/fde/companies/kastle)

Posted Sep 8, 2025 by Kastle · open on Ashby as of Nov 8, 2026

**$170,000–$250,000** + equity San Francisco, CA On-site Full-time

Own deployments of AI agents that automate production workflows for Kastle’s strategic bank customers, replacing processes that previously consumed hundreds of thousands of human hours.

- [See roles that fit me](https://nextmove.md/sign-up?from=%2Ffde%2Fjobs%2F0e233375caf2d43f&placement=top)
- [View posting at Kastle](https://jobs.ashbyhq.com/Kastle/a4bd5818-3b58-4e6d-880c-2c4ca2d989f6/application)

Free. Upload your resume once, see why each FDE role fits, and get introduced only when you say so.

## At a glance

### Posted base pay

$170K–$250K Above the median

Midpoint $210K · median $190K

This job $170K to $250K. Senior FDE postings, 1,864 postings: the middle 50% of posted pay is $160K to $220K, median $190K.

### The work

Builds what the customer runs

Balance **Mostly building**

Project stages

1. Pre-sales (not covered)
2. Proof of concept
3. Implementation
4. Operations

- **Coding**: Writes production code

- **Builds for**: External customers

- **Level**: Senior

- **Role**: Individual contributor

### What they ask for

Experience

- **3+ years** engineering experience
- **1+ years** customer-facing experience

Background

- **Software engineering**
- **Solutions and customer engineering**

### Do you meet what the posting states?

The posting asks for 1+ years. How many do you have?

The posting reads as a senior role. What level are you at now?

The job is in San Francisco, CA. Could you work there?

Which of these have you used in production?

Answer each one. Nothing is saved or sent.

[What postings ask for, by background →](https://nextmove.md/fde/paths)

## Conditions

- **Location**: San Francisco, CA

- **Work arrangement**: On-site

- **Employment type**: Full-time

- **Pay**:

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- [Other jobs at Kastle (1)](https://nextmove.md/fde/companies/kastle)

## The job description from Kastle

Posted by Kastle on Sep 8, 2025

### About Kastle

Kastle is building the AI employee for banks. We work with some of America's financial institutions, helping them scale their contact center and compliance operations using autonomous AI Agents that process payments, originate loans, and help customers get a world class experience during the biggest financial decisions of their lives. **We've processed over $2 billion in transactions** and are backed by Insight Partners and Y Combinator. If you are interested in building AI that is applied in the real world where precision, reliability, and performance matter and redefine access to credit across the world, apply below.

We just raised a **$24M Series A** and are growing fast!

### About the Role

As a Forward Deployed Engineer at Kastle, you re-program entire companies.

You are not measured by technical complexity nor lines of code, but by ownership of business outcomes. Agency, judgment, and customer understanding are equally if not more valuable in this role as strong software engineering ability.

You will be driving a fundamental shift in how enterprises operate and how the largest banks in the world operate. You will own our most strategic customers to build and deploy automation and software that was previously impossible. These are not incremental improvements; you'll be replacing load-bearing workflows in production that previously consumed hundreds of thousands of human hours.

This role sits at the intersection of engineering, customer partnership, and operational excellence. You'll go deep into complex enterprise workflows, architect robust Agents using the Kastle Platform.

This role will be the best role for you if you are someone that is excited by business and solving real problems instead of only deriving value from writing code.

### Responsibilities

- Build, configure, and launch AI agents on Kastle’s platform to handle real borrower workflows
- Write production-grade backend and full-stack code (Python, Java, TypeScript) to integrate with loan servicing systems, data sources, and telephony platforms.
- Own the full agent development life cycle: prototype quickly, set up CI/CD, monitor live usage, iterate to targets, and document best practices to speed up future projects.
- Scope ambiguous customer asks, prototype quickly, and iterate into stable deployments.
- Act as the technical face of Kastle in key accounts, building trust through speed, empathy, and impact.
- Feed customer learnings back into the core product, influencing roadmap and reusable tooling.

### What We’re Looking For

- At-least 3 years of engineering experience, and 1 year of customer facing experience.
- Proficiency in Python, Java, or similar; comfortable building APIs and backend systems.
- Bias toward outcomes: you care more about unblocking customers and delivering value than perfect abstractions.
- Strong work ethic; very high attention to detail; can own a project end-to-end with limited or no guidance.
- Customer-centric: confident working directly with business leaders as well as engineers.

### Interview Process

- 15 min interview with our Talent Lead to learn more about the role
- 1 hour live coding interview with CTO/Founding Engineer
- 1 hour AI agent design interview with CTO
- 1 day onsite at HQ

### Why join Kastle

- Opportunity to work with a world class team building a generational AI company that will redefine how every loan in America is made and managed
- Ability to move fast while your work impacting millions of customers. Add a new feature in a few days and ship it to top 10 lenders the next week.
- Competitive Compensation + Meaningful Equity at a high growth company
- High ownership and direct input on product direction, company culture, and how the FDE function scales

### Other Perks and Benefits

- Free MLO training and support
- Robust medical, vision, & dental coverage
- 401(K) plan offering
- Paid Company Meals
- Company offsites to get to know the team

[View posting at Kastle](https://jobs.ashbyhq.com/Kastle/a4bd5818-3b58-4e6d-880c-2c4ca2d989f6/application)

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- [Compare senior FDE salary ranges](https://nextmove.md/fde/salary/senior)
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