Middle AI Agent Engineer

Langateis an award-winning provider of web development services in 3 main categories: business healthcare and education.AtLangatewerepassionate about crafting digital solutions that make a real impact. We take immense pride in our strong collaboration with theU.S.Werehere to shape the future of technology one milestone at a time.
In addition to technicalexpertise we valuestrong communication autonomy anda high levelof business orientation. This role requires close collaboration with stakeholders proactive requirement discovery and the ability to work effectively in a fast-changing environment without waiting for fully documented inputs.
To thrive in this rolewereseeking candidates with 23 years of commercial engineering experience hands-on experience building AI agent solutions strong Python and/or TypeScript fundamentals and the ability to design custom tool-using agent loops from scratch. Experience with agent frameworks evaluation systems and observability tooling will be a strong advantage.

About the project: Theproject is focused on building production-grade AI agent capabilities for the U.S. healthcare domain. The engineer will work on agentic product features legacy-system integrations and supporting components such as scrapers and tool layers helping automate complex workflows in an environment with significant real-world business impact.

Requirements:

• 23yearsofcommercialengineeringexperience
• Ability to build a tool-using agent loop from scratch including tool calling structured outputs stop reasons parallel tool use and error recovery
• Strong understanding of context engineering including what to write select compress and isolate
• Hands-on experience with modern agent frameworks or SDKs such as LangGraph Claude Agent SDK OpenAI Agents SDK or Pydantic AI
• Working knowledge of Model Context Protocol (MCP)
• Experience building or extending evaluation harnesses solid Python and/or TypeScript skills and Upper-Intermediate English

Responsibilities:

• Designandimplementagenticfeaturesend-to-endfromprototypetoproduction.
• Build and maintain agent loops tool layers context management persistence sub-agent orchestration observability and safety hooks.
• Define quality standards for agent performance by creating golden datasets writing evaluations and setting up regression checks.
• Instrument agents with proper tracing and telemetry and investigate production behavior using real execution traces.
• Work directly with client stakeholders to elicit and refine requirements translate them into technical scope and align on expected outcomes.
• Make pragmatic build-versus-import decisions when selecting frameworks tools and external components.
• Participate in architecture discussions and code reviews contributing to scalable and production-ready engineering decisions.
• Move between projects and priorities as needed taking ownership of delivery in a fast-changing environment with a high degree of autonomy.

Schedule:5/2 8-hour working day (40hr per week) flexible schedule.

Hiring process:HR interview tech specialists

We offer:

• Competitivecompensation
• B2B contract paid sick leave20 daysof paid vacation
• Free English lessons
• Flexible work schedule
• Official Ukrainian holidays are non-working days
• Paid courses and certifications
• Сoach/ psychologist consultation
• Workshops
• Career development plan
• Mentoring Education
• Medical Health Insurance

Why Choose Us What Do We OfferthatsExceptional

1. Cutting-EdgeTechnologies on Real Projects: AtLangateyoullwork with the latest technologies on live dynamic fast-growing company soyoullfind a minimalamountof legacy systems and plenty of opportunities to implementnew technologies.
2. Work-Life Balance with Benefits: We value work-life balance and offer paid time off including vacation days and sick leave. Remote work options and hearty life are part of the package too.
3. Investment in Your Growth: Were committed to your professional development. You can expect training programs courses and opportunities to enhance your English language skills.
4. Team Building and Unity: We know that a happy team is a productive team. Thats why we organize team-building events and group activities to foster strong bonds and a sense of belonging.

When you choose usyourechoosing a company that values innovation invests in its employees and provides a supportive and engaging work environment. Join us in shaping the future of technology!

Need more information Welcome!