Middle Full-Stack Engineer (.Net)

Justanswer
Ukraine
On-siteCareer-pivot friendly

Who this role is best for

A natural match if you have frontend experience with React and a background in .NET development.

Best fit for

  • Candidates with frontend experience and a knack for payment systems integration
    — “help build and improve payment-related experiences and supporting systems, with a stronger emphasis on frontend development”
  • Individuals who can write automated tests and work iteratively in a team
    — “writing automated tests, and contributing in an iterative team environment”
  • Engineers with a strong grasp of SQL and performance optimization
    — “Work with complex SQL queries and data flows in a high-load environment where quality and performance matter.”

Things to consider

  • The role requires a strong grasp of AI-assisted development tools
    — “Use AI-assisted development tools to support engineering productivity and delivery.”
  • English proficiency is a clear requirement for this role
    — “Upper-intermediate level of English or higher.”

How to stand out

  • Demonstrate ability to contribute to both frontend and backend systems
    — “Contribute to backend development for integrations, service coordination, and enhancements across existing systems using C# and .NET”
  • Showcase experience with complex SQL and performance-sensitive data scenarios
    — “Knowledge of MS SQL, including working with more complex queries and performance-sensitive data scenarios.”
  • Emphasize experience with unit and integration testing frameworks
    — “Familiarity with writing unit and integration tests (e.g., using Jest, NUnit, Playwright, React Testing Library, or similar frameworks).”
  • Demonstrate interest in learning payment domain business logic
    — “Interest in learning the payments domain and developing an understanding of the business logic behind payment flows.”
Pace · SteadyCollaboration · HighAutonomy · MediumDecision Impact · Team

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

What success looks like

  • design, build, and improve payment-related experiences
  • contribute to backend development for integrations
  • write, maintain, and improve automated tests
  • implement and support payment-related integrations
Typical background
3 years of professional experience in software engineeringproficiency in .NET frameworks and data access technologies

Skills & requirements

Required

.NETC#ReactHtml5CSS3JavaScriptTypeScriptMS SQLUnit And Integration TestsPayments Domain

Preferred

Llms / Generative AI ToolsAWS ServicesLinux Or Unix Environments

Stack & domain

.NETC#Html5CSS3JavaScriptTypeScriptReactMS SQLJestNunitPlaywrightReact Testing LibraryLlmsGenerative AI ToolsPaymentsIntegrationsUser Experience

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

We’re looking for a Middle Full-Stack Engineer (.NET) to join the Integra team. In this role, you’ll help build and improve payment-related experiences and supporting systems, with a stronger emphasis on frontend development and meaningful backend contribution where needed for integrations and service collaboration.

This is a hands-on engineering role for someone with solid production experience who is comfortable working across the stack, writing automated tests, and contributing in an iterative team environment. You’ll work on important product and platform capabilities connected to payments, integrations, and user experience improvements.

What You’ll Do

Design, build, and improve frontend experiences that support payment flows and customer interactions (React)

Contribute to backend development for integrations, service coordination, and enhancements across existing systems using C# and .NET

Write, maintain, and improve automated tests to support reliable, scalable delivery

Work with internal systems and third-party providers to implement and support payment-related integrations

Collaborate with engineers and cross-functional partners in an iterative development environment to deliver product and platform improvements

Work with complex SQL queries and data flows in a high-load environment where quality and performance matter.

Help identify and implement technical improvements that strengthen payment experience, system reliability, and operational efficiency

Collaborate with teammates to understand business needs and translate them into reliable technical solutions.

Use AI-assisted development tools to support engineering productivity and delivery.

Participate in code reviews and contribute to strong engineering standards across the team.

What We’re Looking For

Minimum of 3 years of professional experience in software engineering, with a frontend focus

Proficiency in .NET frameworks, C#, and data access technologies.

Proficiency in front-end technologies such as HTML5, CSS3, JavaScript, TypeScript and React.

Knowledge of MS SQL, including working with more complex queries and performance-sensitive data scenarios.

Familiarity with writing unit and integration tests (e.g., using Jest, NUnit, Playwright, React Testing Library, or similar frameworks).

Interest in learning the payments domain and developing an understanding of the business logic behind payment flows.

Experience with LLMs / Generative AI tools (e.g., OpenAI, Copilot, Cursor).

Upper-intermediate level of English or higher.

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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