Senior Full-Stack Engineer, AI Platform and Agents
This position is no longer accepting applications(closed Aug 3, 2026).
Summary
Build and refine AI agents for QA/testing workflows using prompt engineering and modern full-stack stacks like .NET and React.
We are seeking a hands-on Senior Full-Stack Engineer to design, build and enable AI agents for quality assurance use cases. In this role, you will partner closely with the client's internal champions and align development efforts with existing agent boilerplates, standards and delivery practices. The ideal candidate is comfortable working directly with engineering teams and able to translate QA needs into effective agentic workflows, supported by strong presentation and communication skills.
Responsibilities
- Design, build and enable AI agents for QA, testing, validation and software delivery use cases
- Develop, evaluate and refine prompts, including reusable prompt patterns
- Work with existing development boilerplates, templates and internal engineering standards
- Partner with client champions to identify use cases, prioritize opportunities and drive adoption
- Translate QA needs into effective agentic workflows
- Integrate agents into software development workflows
- Evaluate agent outputs for accuracy, consistency, reliability and usability
- Explain agent capabilities, demonstrate prototypes and support stakeholder alignment
- Support or onboard tools such as Claude Code as part of the agent development workflow
Requirements
- 3+ years of hands-on experience building AI agents for QA, testing, validation or software delivery use cases
- Expertise in prompt engineering, including prompt design, evaluation and refinement
- Capability to work with existing development boilerplates, templates and internal engineering standards
- Understanding of QA processes and capabilities, including test case generation, defect analysis and regression support
- Knowledge of validation workflows and quality gates
- Skills in integrating agents into software development workflows
- Competency in evaluating agent outputs for accuracy, consistency and reliability
- Strong technical communication and presentation skills
- Familiarity with modern application development environments and engineering practices
- Background in .NET, React and Angular applications
Nice to have
- Experience with LLM-based development assistants such as Claude Code, GitHub Copilot or similar tools
- Understanding of agent evaluation, guardrails and human-in-the-loop review
- Knowledge of prompt/version governance and reusable agent patterns for QA use cases
- Experience working in enterprise environments with existing SDLC, QA and DevOps processes
- Capability to quickly prototype while aligning with client standards and production-readiness expectations
Benefits
We connect like-minded people
- Delivering innovative solutions to industry leaders, making a global impact
- Enjoyable working environment, whether it is the vibrant office or the comfort of your home
- Opportunity to work abroad for up to two months per year
- Relocation opportunities within our offices in 55+ countries
- Corporate and social events
We invest in your growth
- Leadership development, career advising, soft skills and well-being programs
- Certifications, including GCP, Azure and AWS
- Unlimited access to EPAM's internal learning database
- Free English classes with certified teachers
We cover it all
- Participation in the Employee Stock Purchase Plan
- Monetary bonuses for engaging in the referral program
- Comprehensive medical & family care package
- Four trust days per year for personal needs
- Discounts for fitness clubs
- Benefits package (hotels, restaurants, stores and services)
We connect like-minded people
- Delivering innovative solutions to industry leaders, making a global impact
- Enjoyable working environment, whether it is the vibrant office or the comfort of your own home
- Opportunity to work abroad for up to two months per year
- Relocation opportunities within our offices in 55+ countries
- Corporate and social events
We invest in your growth
- Leadership development, career advising, soft skills and well-being programs
- Certifications, including GCP, Azure and AWS
- Unlimited access to EPAM's internal learning database
- Free English classes with certified teachers
We cover it all
- Participation in the Employee Stock Purchase Plan
- Monetary bonuses for engaging in the referral program
- Comprehensive medical & family care package
- Five trust days per year (sick leave without a medical certificate)
- Benefits package (sports activities, a variety of stores and services)
We connect like-minded people:
- Delivering innovative solutions to industry leaders, making a global impact
- Enjoyable working environment, whether it is the vibrant office or the comfort of your own home
- Opportunity to work abroad for up to two months per year
- Relocation opportunities within our offices in 55+ countries
- Corporate and social events
We invest in your growth:
- Leadership development, career advising, soft skills and well-being programs
- Certifications, including GCP, Azure and AWS
- Unlimited access to EPAM's internal learning database
- Free English classes with certified teachers
- Discounts in local language schools, including online courses for the Kazakh language
We cover it all:
- Participation in the Employee Stock Purchase Plan
- Monetary bonuses for engaging in the referral program
- Medical & family care package
- Six trust days per year (sick leave without a medical certificate)
- Coverage of psychology sessions of your choice
- Benefits package (sports activities, a variety of stores and services)
- Housing support program: preferential mortgage access via Otbasy Bank partnership