Senior Growth Engineer, Fintech Platform

Taptap Send; Greater London; Hybrid; GBP 80,000 - 110,000; Full time

Job summary

Taptap Send in London is seeking a Senior Engineer to lead the development of our consumer‑facing product, building scalable backend features with Kotlin and Spring, and collaborating closely with Product, Operations, Customer Support and Growth to ship reliable, intuitive experiences.

This is an early‑team role on a cross‑platform stack (React Native/TypeScript frontend, Kotlin backend, PostgreSQL, AWS, Terraform and Ansible).

Qualifications

• 5+ years of professional experience building consumer facing applications.
• Experience owning user-facing features end-to-end, from conception to launch.
• Experience developing software in a collaborative, fast-paced environment.
• Proficiency with Kotlin, Java or similar backend language.
• Experience with systems that require performance and reliability.

Responsibilities

• Take ownership of development of mobile application products.
• Build features in Kotlin and Spring.
• Write well-tested, high quality code, with an eye towards generics and re-use.
• Work closely with design and product teams to regularly ship working features.
• Participate in release planning and deployment of released build.
• Mentor and advise team members.
• Evaluate and deliver timeline estimates for projects.

Skills

Kotlin

Java

Backend development

Code quality

Tools

AWS

Terraform

Ansible

PostgreSQL

Job description

Taptap Send in London is seeking a Senior Engineer to lead the development of our consumer‑facing product, building scalable backend features with Kotlin and Spring, and collaborating closely with Product, Operations, Customer Support and Growth to ship reliable, intuitive experiences.

This is an early‑team role on a cross‑platform stack (React Native/TypeScript frontend, Kotlin backend, PostgreSQL, AWS, Terraform and Ansible).