IThe right developer can help turn an early concept into a reliable application. The wrong hire can leave a team with expensive prototypes, inconsistent outputs, poor data handling, and a system that becomes difficult to maintain. Here is what technology teams should look for before making that decision.
What Does a Generative AI Developer Actually Do?
A generative AI developer builds software that uses models to produce or transform content such as text, code, images, audio, or other data. Their responsibilities can include:
- Connecting applications with foundation models and APIs
- Building retrieval augmented generation (RAG) systems
- Designing prompts and structured model workflows
- Preparing and processing data
- Developing AI powered chatbots and assistants
- Integrating AI features into existing software
- Testing model accuracy and reliability
- Managing security, latency, and infrastructure
The important point is that generative AI development is not limited to writing prompts. Production systems require normal software engineering practices alongside AI specific knowledge.
Define the AI Project Before You Start Hiring
One of the most common hiring mistakes is looking for an AI developer before defining what the developer needs to build.
Start with a clear project brief covering:
1. The problem
What business or technical problem should the AI system solve?
For example, "build an AI chatbot" is vague. "Create an internal assistant that answers questions from approved company documentation and cites its sources" gives a developer something concrete to work with.
2. The model requirements
Decide whether the project needs a third party model API, an open source model, fine tuning, RAG, or a combination of approaches.
You do not necessarily need to train a model from scratch. In many applications, integrating an existing model with proprietary data is a more practical approach.
3. The technical environment
Document the existing stack, databases, cloud provider, authentication system, APIs, and frontend or backend technologies. Your developer needs to understand where the AI component will live.
Skills to Look for When You Hire Generative AI Developers
A strong candidate should have more than familiarity with popular AI tools.
Generative AI and LLM knowledge
Look for experience with large language models, embeddings, token limits, context windows, model APIs, prompt design, RAG, and model evaluation. They should also understand that different models have different strengths, costs, response times, and limitations.
Strong software engineering fundamentals
The AI component still has to operate inside an application. Knowledge of languages such as Python, JavaScript, or TypeScript can be important depending on the project. Experience with APIs, databases, Git, testing, authentication, cloud infrastructure, and deployment is often just as important as AI knowledge.
Data and RAG experience
If your application needs to answer questions using internal documents, ask candidates how they would build the retrieval layer. A capable developer should be able to discuss document processing, chunking, embeddings, vector databases, retrieval quality, metadata, and source attribution.
Evaluation and debugging
AI applications can fail in ways traditional software does not. A system may produce a technically valid response that is still factually wrong or irrelevant. Ask candidates how they would measure response quality and investigate inconsistent outputs.
How to Evaluate a Generative AI Developer
A portfolio can tell you what someone has built, but the discussion around the project often tells you more.
Ask questions such as:
- Why did you choose that model?
- What alternatives did you consider?
- How did you evaluate output quality?
- What happened when the model produced incorrect information?
- How did you control API costs?
- How did you handle sensitive data?
- What would you change if the application had 100 times more users?
Pay attention to whether the candidate talks about tradeoffs. Experienced developers rarely present AI as magic. They can explain where a system works, where it fails, and what they would do about those failures.
In House Developer, Freelancer, or Development Partner?
There is no universal answer. The right option depends on the project's size, timeline, and internal expertise.
In house developers
make sense when AI will become a long term part of your engineering organization.
Freelancers
can work well for focused projects, prototypes, or specific technical tasks when your internal team can manage the broader architecture.
Development partners
may be a better fit when you need a complete team covering AI engineering, backend development, infrastructure, testing, and deployment.
For companies comparing external options, hire generative AI developers can be one approach when the project requires dedicated development expertise rather than a short term experiment.
How to Test Candidates Before Making a Decision
Instead of relying entirely on interviews, give shortlisted developers a small technical problem related to your actual project. For example, if you are building a document assistant, ask them to design a basic RAG workflow. You are not looking for a production ready system. You are looking for their reasoning.
Evaluate:
- Architecture choices
- Data handling
- Model selection
- Error handling
- Security considerations
- Testing strategy
- Ability to explain technical decisions
Companies exploring AI development teams can also research providers such as Mindrind to understand how different development models and skill sets may fit their requirements.
Red Flags to Watch For
Some warning signs are easy to miss when AI skills are in high demand.
Be cautious if a candidate:
- Claims every AI problem can be solved with prompting
- Cannot explain how they evaluate model output
- Has no experience deploying software
- Focuses entirely on model names rather than business requirements
- Ignores data privacy and security
- Cannot explain the limitations of their previous AI projects
- Promises perfect accuracy
Generative AI systems need careful engineering because model behavior is probabilistic. A developer who acknowledges limitations is usually more valuable than someone who makes unrealistic promises.
A Practical Hiring Checklist
Before making an offer, confirm that the developer can:
- Understand the business use case.
- Select an appropriate model and architecture.
- Work with APIs, data, and backend systems.
- Build and evaluate RAG or other AI workflows when required.
- Test outputs systematically.
- Address security and privacy concerns.
- Monitor cost, latency, and reliability.
- Explain technical decisions clearly.
- Maintain and improve the system after launch.
The goal is not to hire someone simply because "AI" appears throughout their resume. You need an engineer who can connect AI capabilities with sound software development.
Frequently Asked Questions
What should I look for when hiring a generative AI developer?
Look for a combination of AI knowledge and conventional software engineering skills. Experience with LLMs, RAG, APIs, data processing, cloud platforms, testing, security, and application development is valuable. Candidates should also be able to explain model limitations and how they evaluate the quality of AI generated results.
How much experience should a generative AI developer have?
There is no single experience requirement. A developer with a few years of strong software engineering experience and meaningful hands on work with generative AI may be more suitable than someone with many years of experience but little production AI exposure. Focus on relevant projects, technical judgment, and problem solving ability.
Do I need a developer who can train AI models from scratch?
Usually, no. Many business applications can use existing foundation models through APIs or open source models combined with company specific data. Training a model from scratch requires significant data, infrastructure, expertise, and budget. Your developer should be able to determine whether it is actually necessary.
What is the difference between generative AI development and traditional software development?
Traditional software generally follows explicitly defined rules and logic. Generative AI applications depend partly on model behavior, which introduces uncertainty in outputs. Developers therefore need additional practices such as prompt testing, model evaluation, grounding, output validation, and monitoring.
Should I hire one AI developer or an entire development team?
It depends on the scope. A small proof of concept may only require one experienced developer. A production application involving frontend, backend, AI infrastructure, security, data engineering, and deployment may require several specialists. Start by mapping the technical requirements rather than choosing a team size first.
How can I tell whether an AI developer is genuinely experienced?
Ask them to explain a real project from beginning to end. Discuss the original problem, architecture, model choice, data, failures, testing, costs, and what they would change today. Experienced developers can usually explain tradeoffs and lessons learned instead of only describing the final result.
What should happen after the AI application launches?
Launch should be treated as the beginning of ongoing evaluation. Track response quality, failure cases, latency, usage, and costs. Collect real user feedback and periodically review prompts, retrieval methods, models, and application logic. Generative AI systems often need continuous improvement as requirements and usage patterns change.