👨🏻‍💻 postech.work

Full Stack Engineer – MVP

Twine • 🌐 Remote

Remote Posted 3 days ago

Job Description

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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