Fintech MVP Lead: Senior Full-Stack Engineer

Twine; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Twine is seeking a senior full-stack engineer to deliver a production-quality MVP for a consumer financial app. You will transform a defined product vision into a robust, scalable solution, enabling users to connect financial accounts, gain insights, and act on opportunities.

You will review the codebase, align with product decisions, and lead the development team. The role uses React Native/Expo for mobile, Node.js for backend, PostgreSQL for storage, and Flinks for integration.

Qualifications

• Proven experience as a senior full-stack engineer or technical lead.
• Expertise in React Native/Expo, Node.js, PostgreSQL, and API integrations.
• Strong background in data privacy, consent management, and audit trails.
• Experience in regulated fintech or open-banking environments.
• Ability to review and enhance existing codebases and documentation.
• Excellent problem-solving, communication, and leadership skills.
• Experience establishing practical review, testing, and documentation processes.

Responsibilities

• Lead the end-to-end development of a consumer financial app MVP.
• Review and align existing repository and requirements with product vision.
• Implement secure user 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 compliance with privacy and regulatory standards.
• Establish and maintain code review, testing, and documentation processes.
• Prioritize MVP features and manage timelines to meet the 90-day delivery goal.
• Collaborate with engineering, QA, and design team members.

Tools

Flinks integration

Job description

Twine is seeking a senior full-stack engineer to deliver a production-quality MVP for a consumer financial app. You will transform a defined product vision into a robust, scalable solution, enabling users to connect financial accounts, gain insights, and act on opportunities.

You will review the codebase, align with product decisions, and lead the development team. The role uses React Native/Expo for mobile, Node.js for backend, PostgreSQL for storage, and Flinks for integration.