Senior Full-Stack Engineer (ML Team)

Justanswer
Ukraine
Remote

Who this role is best for

Aimed at experienced full-stack engineers with a backend focus who are comfortable integrating AI workflows.

Best fit for

  • Candidates who enjoy combining traditional software engineering with modern AI workflows
    — “combining traditional software engineering with modern AI workflows”
  • Individuals with a track record of delivering production-ready solutions through iteration
    — “systems that evolve through real-world usage and iteration”

Things to consider

  • The role requires strong English proficiency for cross-functional collaboration
    — “Upper-intermediate English or stronger for effective collaboration in cross-functional settings”
  • AI technology may be used in the hiring process for analysis and ranking
    — “AI technology may be used during the hiring process to record, transcribe, analyze, and rank interview responses”

How to stand out

  • Highlight experience in building scalable backend services using C# and .NET
    — “Strong knowledge of C# and .NET, with the ability to build and maintain scalable backend services”
  • Showcase practical AI integration projects in your resume or interview responses
    — “how to integrate AI-powered and agent-based capabilities into real applications”
  • Emphasize your ability to translate requirements into clear, well-scoped specs
    — “translating requirements into clear, well-scoped specs before and during implementation”
  • Demonstrate strong SQL skills with examples of data querying and transformation work
    — “Strong SQL skills for data querying, transformation, and reporting”
  • Include examples of unit and integration testing in your engineering workflow
    — “Experience writing and maintaining unit and integration tests as part of a high-quality engineering workflow”
Pace · SteadyCollaboration · MediumAutonomy · MediumDecision Impact · Individual

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • built scalable backend services
  • integrated AI-powered capabilities
Typical background
5+ years of professional experience in software engineering

Skills & requirements

Required

C#.NETLLM WorkflowsSQLUnit TestingSpecification-driven Engineering

Preferred

AI Agent Integration

Stack & domain

C#.NETHtml5CSS3JavaScriptTypeScriptReactPythonSQLLLMAIAgent-based CapabilitiesModel DevelopmentData AnalysisAutomationUnit TestingIntegration TestingSpecification-driven EngineeringProduction-quality CodeTestingAgile Software DevelopmentBackend DevelopmentFrontend DevelopmentSelf-optimization CapabilitiesIntake BotRelated WorkflowsProblem-solvingCollaborationTeamworkCommunicationTechnical DiscussionsImplementation PlanningIterative Product ImprovementTechnical LeadershipProject ManagementQuality AssuranceCustomer SatisfactionProduct DevelopmentMachine LearningFull-stack Engineering

About the role

Original posting from Justanswer via Greenhouse

About Us

Pearl is AI for professional services at global scale, combining advanced AI with verified human expertise to deliver help that is accurate, accountable, and fast. Since 2003, our network has connected millions of customers with licensed professionals across 196 countries, making real expertise available anytime, anywhere.

Our Values

Data driven: Start with truth, measure what matters.

Courageous: Bias to action; run toward hard problems.

Innovative: Seek novel, elegant solutions.

Lean: Do more with less. Build, ship, learn fast.

Humble: Strong opinions, lightly held.

About the Role

As a Senior Full-Stack Engineer in the Machine Learning department, you will help build and scale product capabilities focused on AI-enabled experiences, experimentation, and optimization. This is a full-stack role for an engineer who is comfortable owning work across the stack while spending most of their time on backend development.

You will contribute to initiatives related to personalization, intake experiences, and AI-powered product improvements, while partnering closely with adjacent teams to deliver practical, production-ready solutions. This role is a strong fit for someone who enjoys combining traditional software engineering with modern AI workflows and wants to work on systems that evolve through real-world usage and iteration.

What You’ll Do

Build backend-heavy full-stack solutions that support Javelin team initiatives

Contribute to frontend development as needed to deliver end-to-end product functionality

Work on LLM- and AI agent-related application features and integrations

Help support and extend self-optimization capabilities connected to the intake bot and related workflows

Collaborate with cross-functional partners and adjacent engineering teams on shared initiatives

Practice specification-driven engineering, translating requirements into clear, well-scoped specs before and during implementation

Write maintainable, production-quality code and contribute to standard engineering quality practices, including testing

Participate in technical discussions, implementation planning, and iterative product improvement

What We’re Looking For

5+ years of professional experience in software engineering in a full-stack role

Strong knowledge of C# and .NET, with the ability to build and maintain scalable backend services and application logic

Solid knowledge of front-end technologies including HTML5, CSS3, JavaScript, and TypeScript; experience with React is preferred

Hands-on experience with AI and LLM workflows, including a practical understanding of how to integrate AI-powered and agent-based capabilities into real applications

Some exposure to Python for model development, data analysis, and automation

Strong SQL skills for data querying, transformation, and reporting

Experience writing and maintaining unit and integration tests as part of a high-quality engineering workflow

Strong problem-solving skills, with the ability to identify practical, minimal, and effective solutions to complex technical challenges

Upper-intermediate English or stronger for effective collaboration in cross-functional settings

Our Commitment to an Inclusive Workplace

We welcome people from all backgrounds who seek the opportunity to help build a future where professional services are readily available to all. If you have curiosity, passion, and a collaborative spirit, come work with us. Pearl is committed to an inclusive workplace. Pearl is an equal opportunity employer and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, disability, age, or other legally protected status.

AI Disclosure & Informed Consent

Artificial intelligence (AI) technology may be used during the hiring process to record, transcribe, analyze, and rank interview responses. By submitting your application and participating in the interview process, you acknowledge and consent to the use of AI technology in the hiring process. For more information see our AI Disclosure and Consent Policy.

#LI-Remote

Source: Justanswer careers (Greenhouse)

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