Hire an AI Agent Developer.
AI agents that use your tools, with a person approving.
Also called: AI Agent Builder, Agentic AI Developer, AI Agent Engineer
From US$13 an hourUS$13-35/hr
Exact rate on your call. All-in.
- Professional services
- Agencies
- E-commerce
- Works your hours
- Colombia hub, on New York time or an hour behind
- Month to month
- Maps the target workflow with the process ownerScoping & design
- Builds agents with the Claude Agent SDK, OpenAI Agents SDKBuild
- Runs the test set on every changeTesting & safety
- Monitors runs and traces in LangSmith or Langfuse, review failures weeklyOperations & handoverDoing
- Microsoft Graph API
- Google Workspace APIs
- Xero / QuickBooks APIs
- Slack and Microsoft Teams
- Python
- TypeScript / Node.js
Pick the level. See the range.
Not offered at this level
Level 1 of 4, also called junior.This role isn't offered at Intern. Pick another level.
Not offered at this level
Level 2 of 4, also called mid-level.This role isn't offered at Intermediate. Pick another level.
US$13-20an hour
Level 3 of 4, also called senior.Designs multi-step and multi-agent workflows across a department and chooses models and platforms.
- Agent architecture for a department, with a permissions matrix
- Prompt-injection and data-leakage test report with fixes
- Move of an agent to a lower-cost model with no loss on the test set
US$20-35an hour
Level 4 of 4, also called lead or specialist.Leads agent developers and sets standards.
- Agent development standard and template library
- Portfolio-wide agent register and monitoring standard
- Build-versus-buy recommendation for a client's AI roadmap
Per hour, all-in. Exact rate confirmed on your call.
What you hand to your AI Agent Developer
Tasks
Scoping & design
- Maps the target workflow with the process owner
- Decide whether the job needs an agent
- Builds a test set of 30-100 real, anonymized cases with expected outcomes
Build
- Builds agents with the Claude Agent SDK, OpenAI Agents SDK
- Writes tool definitions and connects systems
- Ground agents on the client's documents
- Adds human-approval steps in Teams, Slack or email before any action
Testing & safety
- Runs the test set on every change
- Tests for prompt injection hidden in emails, web pages and attachments
- Sets spend caps, rate limits, timeouts and a per-agent kill switch
Operations & handover
- Monitors runs and traces in LangSmith or Langfuse, review failures weekly
- Keeps an agent register
- Writes runbooks and records Loom walkthroughs
Week one
- Client's approved AI tools and plans confirmed in writing
- Models and Apis accounts owned and billed by the client
- Service accounts or app registrations created
- Existing automations, AI tools and data sources listed in the agent register
Tools
Work tools
Microsoft Graph API
Google Workspace APIs
Xero / QuickBooks APIs
Slack and Microsoft Teams
Python
TypeScript / Node.js
FastAPI
Docker
Supabase / pgvector
GitHub and GitHub Actions
Postman
1Password / Bitwarden
Loom
Microsoft 365
Tested live in the tools on your job description.
AI tools
Claude Agent SDK
Anthropic Claude API
Claude Code
OpenAI Agents SDK / AgentKit
OpenAI API
Gemini Enterprise
Microsoft Copilot Studio
Azure OpenAI / Microsoft Foundry
LangGraph
n8n
Zapier
Make
Model Context Protocol servers
- LangSmith
Tested in the AI features of the tools you use, including catching the AI's mistakes.
Works inside your Microsoft 365 or Google Workspace, under your admin settings.
- Microsoft 365Copilot
- Google WorkspaceGemini
AI
Your AI Agent Developer builds AI agents that use your business systems, with an approval step so a person signs off before anything is sent or changed.
Automations that end re-keying
Zapier, Make or n8n connecting your CRM, forms, email and accounts, with AI steps that sort, extract and draft.
Assistants on your own content
Custom GPTs, Claude Projects, Gemini Gems or Copilot agents that answer from your policies, products and past work.
Chat and voice agents
Agents that answer, qualify and book, and hand over to a person when they should.
Reporting and analysis
Excel with Copilot, Power BI or Python, with every number checked against the source.
Tests before go-live
A test set that shows whether the AI gets it right before your customers see it, and alerts when it slips.
Our rule: business-grade AI only, never free or personal accounts.
A person signs off before anything goes live, and builds run on your accounts, so you own what's built.
Tested before you meet them
How we test AI work
Tested on AI work, with mistakes planted in it
- Done with the AI tools the job uses, in a suite like yours.
- Catching them is part of the pass mark, at every level.
- Putting it into an AI tool fails the test, whatever the score.
- Planted problems found
- Error handling and a retry added
- Personal data out of the logs
- Alert on bad input
Passed at IntermediateReal profiles show the date and score.
- Written English and client commsAll levels25 min
- Agent build testAll levels2 hrs
- Prompt-injection and permissions exerciseIntermediate and up60 min
- Test plan designIntermediate and up45 min
- Scoping role-playExpert and Specialist60 min
- Portfolio and code walkthroughAll levels30 min
- AI workflow test: Failure-handling review60 min
Sample shown
89%
- Skills tested: A skills test for the role, marked by a senior
- English and comms: written English tested, spoken English checked on a call
- ID, work history and references: photo ID, past roles and two referees
From booked call to day one
Step 1: Book a demo
Tell us the role, your hours and your tools.
Step 2: Meet your shortlist
Their level and hourly price, tested before you meet.
Step 3: Pick your person
Month to month. We handle the contract, the equipment and the onboarding, and make sure it all runs.
Step 4: They start work
In your tools, within 12 to 48 hours of a successful interview.
Questions answered
It depends on the level and the work. Expert sits in the US$13-20 an hour range; Specialist sits in the US$20-35 an hour range. We confirm your exact rate on the call, all-in and month to month, before you meet anyone.
Scoping & design, build, testing & safety and operations & handover, run to your priorities. You choose what they own first.
Seven practical tests, marked by a senior, including written English and client comms, agent build test and prompt-injection and permissions exercise. You see the score before you meet.
Tell us and we replace them free, with a new shortlist of tested people to meet. Seats are month to month with 30 days' notice.
Meet the people who fit your work.
Tell us the role on a 15‑minute Teams call. We'll show you who fits, or tell you straight if we can't fill it.