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Harvey

Legal Engineer, Custom Solutions

Harvey is hiring a Legal Engineer, Custom Solutions for a remote role open to applicants in United Kingdom. Level rates it ; you can apply on Harvey.

Level's read on this job

  • Level rates this role Works on AI ●●●○: the daily work is on AI products, without building the model.
  • This is listed as a remote role.
  • The posting mentions prompt engineering, AI agents and customer success among its tools and skills.
  • Level classes it as a mid-level role.
  • Harvey has 361 other open roles on Level.

AI in this role

Legal Engineer building custom AI agents, playbooks, and prompts for strategic legal and professional services clients.

prompt-engineeringai-agentscustomer-successsolution-architecturelegal-tech
Why Harvey

At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come.

This is a rare chance to help build a generational company at a true inflection point. We have strong product-market fit and world-class investor support. We’re scaling fast and defining a new category in real time. The work is ambitious, the bar is high, and the opportunity for growth — personal, professional, and financial — is unmatched.

Our team moves fast, takes ownership, and is deeply committed to the mission — operating with intensity, staying close to our customers, and pushing each other for excellence. We live by three values: Decisiveness, Simplicity, and Job's Not Finished. We act quickly on clear judgment over perfect information, we believe simplicity is what scales, and we're never satisfied with where we are. If you want to do the best work of your career alongside people who share that drive, we'd love to build with you.

At Harvey, the future of professional services is being written today — and we’re just getting started.

Role Overview


Harvey's Custom Solutions team builds tailored AI tools for leading strategic customers. The team scopes, designs and implements custom agents, playbooks and prompts to address high-priority use cases. Each solution is built around a customer's specific needs and stored in its Harvey instance for scalable access across the organization. Team members have opportunities to travel onsite and build relationships with senior stakeholders to support the rollout of these tools. They also partner with Harvey's Go-to-Market and Product teams to advance the platform by gathering feedback, surfacing opportunities and piloting features.


What You'll Do

  • Establish a clear understanding of Harvey's platform and the process for building solutions (you're not expected to be a platform expert on day one, but you should be interested in becoming one).

  • Scope, design and build custom agents, playbooks and prompts for key strategic customers.

  • Build strong relationships with senior stakeholders to understand their requirements, map their processes and turn needs into working solutions.

  • Prototype, test and iterate, including piloting Harvey features prior to general release.

  • Communicate market feedback to Product and Engineering, surfacing the opportunities for enhancements that will be most impactful.

  • Partner with Harvey's other Legal Engineering and Go-to-Market teams to deliver measurable growth.

  • Create and maintain reusable assets, capturing best practices to speed up future deployments.

What You Have

  • Qualified lawyer in England & Wales

  • 3+ years of experience as a practicing lawyer at a top-tier firm and/or in-house legal team.

  • Curiosity about testing various approaches, evaluating deliverable quality and optimizing for customer outcomes and experience.

  • Strong communication skills and a track record of partnering with senior stakeholders to drive results.

  • Interest in driving positive change in the legal industry through AI.

  • Experience using AI tools in legal practice is a plus.

Depending on your location, an Applicant Privacy Notice may apply to you. You can find all of our Applicant Privacy Notices [here].

#LI-LM1

Harvey is an equal opportunity employer and does not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law.

We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made by emailing accommodations@harvey.ai

How we rate this

Legal Engineer, Custom Solutions at Harvey rates 70 out of 100 for how much of the daily work is AI. That makes it Works on AI (AI Level 3 of 4). The level is about AI in the job, not seniority.

Classification

Works on AI. The daily work is on AI products, without building the model.

  1. ●●●● Builds AI80 to 100
  2. ●●●○ Works on AI60 to 79
  3. ●●○○ Uses AI40 to 59
  4. ●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

Prompt engineeringAI agentsCustomer SuccessSolution ArchitectureLegal Tech

Questions you could be asked

  1. How do you structure and test a prompt to get consistent output from a language model?
  2. How do you decide when an AI agent can act on its own versus asking for approval first?
  3. Tell me about a project where customer success was part of your work. What did you do?
  4. Tell me about a project where solution architecture was part of your work. What did you do?
  5. Tell me about a project where legal tech was part of your work. What did you do?

Adapt your resume

  • List these exact terms on your resume: Prompt engineering, AI agents, Customer Success, Solution Architecture, and Legal Tech. An applicant tracking system matches the wording, not the idea.
  • Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
  • Show where AI is part of your daily process, not a one-off project. This role expects it to be a running habit.

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