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Full Stack Engineer, AI Platform

Remote, US

About Us

UJET leads the way in AI-powered contact center innovation, delivering a future-proof, cloud platform that redefines the customer experience with cutting-edge AI, true multimodality, and a mobile-first approach. We infuse AI across every aspect of your customer journey and contact center operations, to drive automation and efficiency. UJET's AI solutions empower agents, optimize customer journeys, and transform contact center operations for elevated experiences and actionable insights. Built on a cloud-native architecture with a unique CRM-first approach, UJET ensures unmatched security, scalability, and prioritized data insights (without storing PII). Designed for effortless use, UJET partners with businesses to deliver exceptional interactions, smarter decision-making, and accelerated growth in the AI-driven world.

Learn more at www.ujet.cx.

About the Team

You’ll join UJET’s Data and AI engineering organization, working at the intersection of full-stack product engineering, data systems, and AI-enabled customer experience. Our teams build and support the data platform, analytics foundations, AI integrations, virtual agent capabilities, agent assist experiences, and conversation intelligence systems that power UJET’s next generation of customer experience products.

This is a great role for an engineer who enjoys moving across the stack, learning quickly, and turning ambiguous product and data problems into reliable, production-ready systems.

The Opportunity

We’re looking for a Full Stack Engineer, AI Platform to build the internal products and infrastructure that enable teams to create agentic applications.

In this role, you’ll develop full-stack tools, services, APIs, workflows, and platform capabilities used by engineers and product teams building with AI. You may work on developer interfaces, agent orchestration, model and tool integrations, evaluation systems, observability, prompt and context management, reusable components, and deployment workflows.

You should be comfortable writing production software across backend and frontend systems, working with data, and learning new technologies as the problem demands. Success requires strong engineering fundamentals, curiosity about rapidly evolving AI systems, and a practical focus on making complex capabilities reliable and easy for others to use.

This role is ideal for someone with strong Python and systems development experience, solid engineering instincts, and a demonstrated ability to take initiative in complex technical environments.

Location: This role is US-based. We have a preference for someone who lives in Maine, while remaining open to strong candidates elsewhere in the United States.

Responsibilities

  • Build and maintain internal full-stack products that help teams design, develop, test, evaluate, deploy, and operate AI agents and AI-enabled features
  • Develop backend services, APIs, SDKs, workflows, and integrations that connect models, tools, enterprise data, and product systems
  • Build reusable platform capabilities for agent orchestration, prompt and context management, tool use, human review, and workflow automation
  • Develop evaluation, observability, debugging, and quality-control systems that make AI behavior measurable and reliable
  • Design secure patterns for accessing data, invoking tools, managing permissions, and applying appropriate AI safety guardrails
  • Partner with infrastructure and application engineering teams to understand needs and translate them into durable platform capabilities
  • Improve the developer experience through clear abstractions, documentation, examples, templates, and paved paths
  • Write maintainable, well-tested code and participate in design reviews, code reviews, debugging, release processes, and production support
  • Take ownership of ambiguous problems, identify practical tradeoffs, and drive work from discovery through production adoption
  • Stay current with evolving AI engineering practices and apply new approaches thoughtfully rather than adopting technology for its own sake

Requirements

  • At least 2 years of professional software engineering experience
  • Strong production experience with Python
  • Experience building full-stack applications, backend services, APIs, developer tools, or platform products
  • Experience integrating complex systems and designing maintainable service boundaries and APIs
  • Experience with data-intensive applications, data pipelines, analytics workflows, or operational data systems
  • Interest in or hands-on experience with LLMs, AI agents, model APIs, retrieval systems, workflow automation, or other applied AI technologies
  • Strong software engineering fundamentals, including testing, version control, code review, debugging, security, observability, and maintainable system design
  • Ability to work across multiple layers of a technical stack and learn unfamiliar technologies quickly
  • Evidence of self-motivated work, strong ownership, and the ability to make progress in ambiguous situations
  • Clear written and verbal communication skills, especially in a distributed engineering environment
  • Experience building and operating software on cloud platforms

Annual US Hiring Range: $115,000 - $130,000

*A candidate’s actual placement within this range will depend on geographic location, work experience, education, and/or skill level.

Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time.

#LI-Remote

#LI-Hybrid

UJET is an Equal Opportunity Employer

UJET provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

Compliance Responsibilities

Security, data protection and compliance (SDPC) are paramount to the success of our partnerships. All roles at UJET require compliance with legal and regulatory requirements and acceptance and adherence to all policies and standards within UJET. Personnel acknowledges they are personally responsible for reporting any suspected violations or abuse and are required to complete SDPC training and fulfill role-specific SDPC responsibilities.

Why UJET?

  • Impactful Work: Be at the forefront of innovation, directly shaping the future of customer experience. 
  • Dynamic Culture: Join a collaborative, inclusive team that values big ideas, creative solutions, and powerful relationships.
  • Comprehensive Benefits: Medical, dental, vision, 401(k) plan, wellness benefits, and more.

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