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Devs in Ukraine
Expirienced engineers with strong product focus and fast integration.
Devs in Poland
EU-based developers with reliable delivery and high standards.
Devs in Argentina
Senior engineers with strong technical depth and timezone alignment.
Test AI behavior alongside the software that delivers it
Hire AI QA engineers to evaluate model outputs, validate integrations, and test complete user workflows.
Companies that rely on Devico’s talent:
3-7
years average project lifetime
We build long-term relationships and deliver consistent, high-quality work for your projects.
3000+
engineers drive Devico’s tech community
Access a vast pool of highly skilled developers with diverse expertise.
8+
years of average developer experience
Benefit from senior professionals who bring years of expertise to every project.
4.4%
turnover rate
Retain the best talent with our low turnover rate, ensuring project stability and continuity.
100+
technologies covered
From front-end to back-end, we specialize in over 100 technologies to meet your unique project needs.
14
engineers locations worldwide
With 14 locations globally, ensuring efficient, seamless project delivery across time zones.
Submit a free request
Describe your AI application and what needs testing. We'll help you find AI QA engineers for hire with experience relevant to your models, integrations, and user workflows.
Share your needs
Join a 30-minute call to discuss your architecture, existing tests, known failures, and release requirements. We'll clarify the role and provide a budget estimate.
Interview the best
Meet shortlisted candidates and review their approach to evaluation datasets, test automation, and defect investigation. Discuss how they distinguish model errors from problems in retrieval, application logic, or source data.
Onboard your engineer
Once you select your engineer, we handle contracts and payment arrangements. Your engineer reviews the application, identifies coverage gaps, and establishes the first testing priorities.
100+ AI QA developers for hire waiting for you
Natali S.
Viktor B.
Roman M.
Roman C.
Kateryna K.
Daniel I.
Ted S.
Goal 1
Develop a scalable web platform
Create a responsive and scalable web application that can handle high traffic while ensuring smooth performance.
Goal 2
Stability issues
As the user base grew, the number of reported bugs and complaints increased, further restricting scalability.
Goal 3
Implement secure payment integration
Integrate a secure payment system to facilitate seamless transactions while ensuring data protection and compliance.
Roman M.
Senior AI QA engineer
Roman C.
Senior AI QA engineer
Kateryna K.
Senior AI QA engineer
Roman C.
Senior AI QA engineer
Departure:
Development
Position:
AI QA engineer
Task:
ROLE
Manager:
John Brown
Start Date:
Immediate
Programming languages
Python, TypeScript, JavaScript
Test automation
pytest, Playwright, API test suites
Evaluation datasets
Representative inputs, edge cases, reviewed reference answers
Output assessment
Scoring rubrics, deterministic checks, human review
Generative AI testing
Factual accuracy, groundedness, instruction adherence, format validation
RAG evaluation
Retrieval coverage, ranking quality, citation accuracy, missing-evidence handling
Agent testing
Tool selection, argument validation, approval gates, execution limits
Predictive model testing
Precision, recall, calibration, performance by data segment
Data validation
Schema checks, missing values, duplicates, label consistency
Integration testing
Model APIs, retrieval services, databases, business system connections
Security test cases
Prompt injection, unauthorized retrieval, sensitive data exposure
Performance testing
Load tests, latency distributions, concurrency, cost per task
Regression testing
Version comparisons, repeat runs, release acceptance checks
Defect investigation
Request traces, application logs, model and prompt version tracking
Staff augmentation
Add AI testing expertise to your existing QA and engineering team.
Fill gaps in model evaluation, integration testing, or test automation.
Get focused support for a release or a known quality problem.
Keep control over priorities, acceptance criteria, and release decisions.
Adjust testing capacity as your application and coverage needs change.
Dedicated team
Build a team focused on quality across your AI application and its supporting systems.
Maintain evaluation datasets and regression coverage across releases.
Coordinate testing with product owners, domain reviewers, and developers.
Combine AI output evaluation with API and end-to-end testing.
Plan delivery around an agreed team structure and monthly budget.
An AI QA engineer tests AI system behavior and the application components that support it.
Typical responsibilities include:
• Defining testable quality requirements.
• Preparing evaluation datasets and scoring criteria.
• Testing model outputs and application workflows.
• Validating retrieval, tool use, and integrations.
• Investigating inconsistent or incorrect results.
• Maintaining regression tests and reporting release risks.
The role covers both AI-specific behavior and conventional software quality.
Hire AI QA engineers when your application depends on model outputs that conventional software tests do not fully evaluate.
Common needs include checking generated answers, validating document extraction, testing AI agents, or assessing a model change before release. Bring testing into development early enough to establish baselines and acceptance criteria before launch.
When you hire AI test engineers, assess their software testing skills and ability to evaluate model behavior.
Core skills include:
• Test design and automation.
• API and integration testing.
• Evaluation dataset preparation.
• Statistical reasoning and metric interpretation.
• Output assessment and error analysis.
• Defect reproduction and documentation.
Specialist experience should match the application, such as generative AI, computer vision, or predictive modeling.
Evaluate AI QA engineers for hire with a small application scenario and examples of successful and failed outputs.
Ask candidates to:
• Identify missing requirements.
• Define acceptance criteria.
• Propose representative and adversarial test cases.
• Automate a repeatable check.
• Investigate a failure across system components.
• Explain what their tests cannot establish.
Review whether the proposed tests can detect meaningful defects and support a release decision.
AI testing often requires evaluating outputs that can vary between runs and may have several acceptable answers.
Conventional tests remain necessary for APIs, permissions, calculations, and application state. Model behavior may also require scoring rubrics, repeated evaluations, statistical measures, and expert review.
Hire AI testing engineers who can combine these approaches and choose checks appropriate to each component.
Yes. You can hire AI testing engineers to assess current coverage and build tests around an existing system.
Provide the architecture, known defects, current test suites, and representative user workflows. The initial assessment should identify:
• Critical behaviors without coverage.
• Missing or unclear acceptance criteria.
• Unreliable evaluation data.
• Gaps in logging and version tracking.
• Dependencies that need isolated testing.
Prioritize tests by failure impact and frequency.
AI QA engineers define acceptable behavior rather than requiring identical wording for every response.
They may combine:
• Exact checks for required fields and formats.
• Rubrics for correctness, completeness, and relevance.
• Repeated runs to assess variability.
• Human review for judgment-dependent cases.
• Comparisons against a baseline under consistent conditions.
Record model versions, configurations, and inputs so results can be interpreted and investigated.
Yes. AI test engineers for hire can evaluate retrieval and answer generation separately, then test the complete workflow.
Checks should establish whether:
• Search finds the required evidence.
• Retrieved content respects user permissions.
• Answers reflect the supplied information.
• Citations support the associated claims.
• The system handles missing or conflicting evidence.
• Updated or deleted content is handled correctly.
This separation helps identify whether a failure originates in content processing, search, context assembly, or generation.
AI QA engineers test both the agent's decisions and the resulting actions.
Test cases should cover:
• Selecting the appropriate tool.
• Supplying valid arguments.
• Respecting permissions and approval requirements.
• Handling unavailable services.
• Avoiding duplicate actions after retries.
• Stopping within defined execution limits.
Use controlled environments for actions that modify data. Verify the actual system state, not just the agent's statement that a task succeeded.
Yes. Hire AI testing specialists with relevant experience to test behaviors such as prompt injection, unauthorized retrieval, and sensitive information exposure.
The scope should define protected data, permitted actions, and attacker-controlled inputs. Tests should check application controls as well as model responses.
AI-specific testing complements application security testing. A limited set of adversarial examples cannot establish that a system is secure.
AI QA engineers choose measures that reflect the task and the consequences of errors.
Examples include:
• Question answering: Correctness, groundedness, and completeness.
• Extraction: Field-level accuracy and missing-value handling.
• Classification: Precision, recall, and performance by category.
• Agents: Task completion and correctness of actions.
• User workflows: Recovery, escalation, and successful completion.
• Operations: Latency, error rates, and cost per task.
Aggregate scores should be accompanied by error analysis. Strong average performance can hide failures on important cases.
No. Automated evaluators can help assess large volumes of outputs, but their judgments need validation.
When you hire AI testing specialists, ask how they compare automated scores with reviewed examples, investigate disagreements, and monitor evaluator consistency. Human review remains useful where correctness depends on domain expertise, ambiguous requirements, or consequential decisions.
AI QA engineers compare the proposed version with the current baseline using a controlled evaluation process.
Release testing should include:
• Existing regression cases.
• Representative user inputs.
• Known failure scenarios.
• Cases targeting the intended improvement.
• Performance and integration checks.
Keep held-out examples separate from development work. A change should not pass solely because it improves the cases used to tune it.
The cost to hire AI QA engineers depends on specialization, engagement length, and testing scope.
Key factors include:
• Number of models and workflows.
• Existing automation and evaluation coverage.
• Dataset preparation requirements.
• Need for domain-specific review.
• Integration and security testing complexity.
• Performance testing and release frequency.
Budget separately for model usage, test infrastructure, and external review services.
To hire AI QA engineers through Devico, share your application's purpose, current stack, known quality issues, and target timeline.
We clarify the role, recommend an engagement model, and arrange interviews with suitable candidates. You select your engineer or team, then agree on onboarding, testing priorities, and acceptance criteria.
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