Sr Full Stack Product Engineer (End-to-End Mobile App Dev. Exp. Req.) - REMOTE

#twiceasnice Recruiting; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

twiceasnice Recruiting seeks a Senior Full Stack Product Engineer to build and own customer-facing products, prototypes, and mobile/web apps remotely from Singapore. You will own backend services, APIs, and integrations in a security-conscious environment, delivering end-to-end solutions from concept through deployment.

The ideal candidate has 5+ years of software engineering experience, strong mobile app development, and expertise in TypeScript/React, with occasional meetings outside core hours

Qualifications

• 5+ years of software engineering experience.
• 2+ years shipping production apps end-to-end.
• Strong mobile application development experience.
• Proficiency with TypeScript and React.
• Security-conscious development practices.

Responsibilities

• Build customer-facing products, prototypes, and demos.
• Develop end-to-end web and mobile apps from prototype to production.
• Own backend services, APIs, integrations, and workflows.
• Collaborate with engineering, product, and security teams.
• Support CI/CD and observability for deployments.
• Use AI-assisted development tools while maintaining code quality.
• Own solutions after launch and perform ongoing improvements.

Skills

Mobile app development

TypeScript

React

Security awareness

Availability outside core hours

Job description

Sr Full Stack Product Engineer (End-to-End Mobile App Dev. Exp. Req.) - REMOTE

Location: Remote from Singapore

Job Type: Full-Time

Core Hours: 8:00am - 5:00pm SGT

Start Date: ASAP

Sponsorship: Not Available

Relocation Assistance: Not Available

Sr Full Stack Product Engineer (End-to-End Mobile App Dev. Exp. Req.) - REMOTE Description

Our client in the financial technology and cybersecurity industry is looking for a Senior Full Stack Product Engineer to add to their team remotely from Singapore. In this role, you will build and own customer-facing products, prototypes, demos, web and mobile applications, backend services, integrations, and developer-facing experiences in a security-sensitive environment. The ideal candidate will have strong full stack and mobile application development experience with a track record of taking complete products from concept through delivery, individually or while working with very small teams. To be successful, you must be highly autonomous, self-motivated, and security conscious. This is a great opportunity to join a fast-growing U.S.-based technology company, take significant ownership across the product development lifecycle, and build innovative products from concept through deployment.

Sr Full Stack Product Engineer (End-to-End Mobile App Dev. Exp. Req.) - REMOTE Responsibilities

• Build customer-facing products, prototypes, and demos for complex business needs
• Develop and maintain end-to-end web and mobile apps from prototype through production
• Translate product requirements and technical designs into scalable, secure, & reliable solutions
• Build and own backend services, APIs, integrations, and end-to-end product workflows
• Develop mobile applications and integrations that support customer and partner use cases
• Create and improve developer-facing tools, documentation, and integration experiences
• Translate ambiguous product and partner requirements into practical technical solutions
• Collaborate with engineering, product, business development, security, and partner teams
• Help establish testing and regression-prevention practices to support product quality
• Support CI/CD and observability for reliable deployments
• Use AI-assisted development tools while maintaining code quality and ownership
• Own solutions after launch by troubleshooting issues and making ongoing improvements

Sr Full Stack Product Engineer (End-to-End Mobile App Dev. Exp. Req.) - REMOTE Qualifications

• 5+ years of software engineering experience is required
• 2+ years of recent experience building and shipping production apps end-to-end is required
• Strong mobile application development experience is required
• Strong TypeScript and React experience are required
• Strong security awareness and judgment when building applications is required
• Occasional availability outside core hours for meetings with global customers is required