Full Stack Engineer – MVP

Full Stack Engineer – MVP

Posted Today by Twine

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Negotiable
Undetermined
Remote
United Kingdom
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Application Programming Interface (API) Artificial Intelligence Cascading Style Sheets (CSS) Credit Control Debits And Credits Express.js Full Stack Development Loan Payment Processing Node.js Nodes (Networking) Operational Risk Management PostgreSQL Product Roadmaps React.js Scalability Sendgrid SMS Software Development TypeScript User Interface Whatsapp Workflows Xero (Accounting Software)

Summary: Join a funded startup focused on revolutionizing credit control for UK SMEs by developing an AI-powered platform for automating B2B collections. The role involves creating a robust MVP that utilizes AI for managing customer communications across various channels. Candidates will collaborate closely with the founder and work with a modern tech stack to deliver a scalable solution. The position is remote, with a preference for candidates overlapping with Eastern European time zones, targeting a launch by May 2026.

Key Responsibilities:

  • Develop and deploy the MVP for an AI-driven credit control platform using React, TypeScript, Tailwind CSS, Shadcn/ui, Node.js, Express.js, and PostgreSQL (Drizzle ORM).
  • Integrate third-party APIs including OpenAI, Retell AI (voice), SendGrid, Vonage, Xero, and Stripe.
  • Implement AI-driven communication workflows for multiple channels (voice, email, SMS, WhatsApp).
  • Collaborate directly with the founder to refine architecture, integrations, and workflows based on extensive prototyping and a clear product roadmap.
  • Ensure the platform is developed and deployed efficiently on Replit.
  • Maintain high standards of code quality, security, and scalability throughout the development process.
  • Troubleshoot, debug, and optimize the application for performance and reliability.

Key Skills:

  • Proven experience as a full stack developer with strong proficiency in React and Node.js/Express.
  • Advanced knowledge of TypeScript and PostgreSQL, ideally with Drizzle ORM.
  • Demonstrated experience developing and deploying applications on Replit.
  • Expertise in integrating third-party APIs, especially for communication and payment processing.
  • Familiarity with AI/LLM integration is highly desirable.
  • Solid understanding of modern frontend frameworks and UI libraries (Tailwind CSS, Shadcn/ui).
  • Ability to work independently and deliver results within tight deadlines.
  • Excellent communication skills and ability to collaborate remotely.
  • Availability for remote work with significant overlap with Eastern European time zones.

Salary (Rate): undetermined

City: undetermined

Country: United Kingdom

Working Arrangements: remote

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Join a funded startup on a mission to transform credit control for UK SMEs by building an AI-powered platform that automates B2B collections. This role is focused on developing a robust MVP that leverages AI to autonomously manage customer communications across voice, email, SMS, and WhatsApp. You will work closely with the founder, utilizing a modern tech stack and integrating with key third-party APIs to deliver a seamless, scalable solution. The project is remote, with a preference for candidates who can overlap with Eastern European time zones, and targets a launch by May 2026.

Responsibilities

  • Develop and deploy the MVP for an AI-driven credit control platform using React, TypeScript, Tailwind CSS, Shadcn/ui, Node.js, Express.js, and PostgreSQL (Drizzle ORM)
  • Integrate third-party APIs including OpenAI, Retell AI (voice), SendGrid, Vonage, Xero, and Stripe
  • Implement AI-driven communication workflows for multiple channels (voice, email, SMS, WhatsApp)
  • Collaborate directly with the founder to refine architecture, integrations, and workflows based on extensive prototyping and a clear product roadmap
  • Ensure the platform is developed and deployed efficiently on Replit
  • Maintain high standards of code quality, security, and scalability throughout the development process
  • Troubleshoot, debug, and optimize the application for performance and reliability

Skills And Requirements

  • Proven experience as a full stack developer with strong proficiency in React and Node.js/Express
  • Advanced knowledge of TypeScript and PostgreSQL, ideally with Drizzle ORM
  • Demonstrated experience developing and deploying applications on Replit
  • Expertise in integrating third-party APIs, especially for communication and payment processing
  • Familiarity with AI/LLM integration is highly desirable
  • Solid understanding of modern frontend frameworks and UI libraries (Tailwind CSS, Shadcn/ui)
  • Ability to work independently and deliver results within tight deadlines
  • Excellent communication skills and ability to collaborate remotely
  • Availability for remote work with significant overlap with Eastern European time zones

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.

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