Senior Full-Stack Engineer for Fintech MVP (RN/Node)

Twine; Lavamünd; Vor Ort; EUR 90.000 - 120.000; Vollzeit

Zusammenfassung

Twine is seeking a senior full‑stack engineer to deliver a production‑quality MVP for a consumer financial app. You will transform a product vision into a scalable solution using React Native/Expo, Node.js, PostgreSQL, and Flinks integration, with a focus on security, privacy, and audit trails.

You will review the existing codebase, align implementation with product decisions, and lead a small cross‑functional team to meet a 90‑day MVP delivery timeline.

Qualifikationen

• 5+ years as a senior full-stack engineer or technical lead in fintech/open-banking
• Expertise in React Native/Expo, Node.js, PostgreSQL, and API integrations
• Experience with data privacy, consent management, and audit trails in regulated fintech environments

Aufgaben

• Lead end-to-end development of the consumer financial app MVP
• Review and align repository and requirements with the product vision
• Implement secure sign-in, consent capture, and account connection via Flinks
• Develop robust account-data ingestion, event, and audit recording features
• Oversee mobile onboarding and user experience flows
• Integrate third-party APIs and ensure privacy/regulatory compliance
• Establish and maintain code review, testing, and documentation
• Prioritize MVP features and manage timelines for the 90-day delivery
• Collaborate with engineering, QA, and design teams

Kenntnisse

Senior level

Full-stack

Fintech/open-banking experience

React Native/Expo

Node.js

PostgreSQL

API integrations

Leadership

Code review & testing

Tools

Flinks

Jobbeschreibung

Twine is seeking a senior full‑stack engineer to deliver a production‑quality MVP for a consumer financial app. You will transform a product vision into a scalable solution using React Native/Expo, Node.js, PostgreSQL, and Flinks integration, with a focus on security, privacy, and audit trails.

You will review the existing codebase, align implementation with product decisions, and lead a small cross‑functional team to meet a 90‑day MVP delivery timeline.