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Senior Engineer

Job in City of Westminster, Central London, Greater London, England, UK
Listing for: TapTap Send
Full Time position
Listed on 2026-06-18
Job specializations:
  • Software Development
    Backend Developer, Full Stack Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 60000 - 80000 GBP Yearly GBP 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Position: Senior Engineer, Growth
Location: City of Westminster

Senior Engineer – Mobile and Backend

We are looking for a Senior Engineer to join our growing engineering team to define, build, and iterate on features for our consumer‑facing product. You will work closely with Product, Operations, Customer Support, Growth, and other functions to design and build a reliable, intuitive, and simple experience for our users. As an early member of the team, you will have a lot of impact on team culture, processes, and norms.

The product is a cross‑platform mobile app built with React Native and Type Script, backed by a Kotlin backend, PostgreSQL database, AWS infrastructure, Terraform and Ansible. This is a backend‑focused role, but you will have opportunities to work across the entire tech stack.

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 reuse.
  • Work closely with design and product teams to regularly ship working features.
  • Participate in release planning and deployment of released builds.
  • Mentor and advise team members.
  • Evaluate and deliver timeline estimates for projects.
Requirements
  • 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, multi‑functional, and fast‑paced environment.
  • Proficiency with Kotlin, Java or similar backend language.
  • Experience working on systems that have real‑world performance and reliability constraints.
  • Strong communication and ability to manage conflicting priorities, setting expectations with stakeholders and driving force.
  • High personal code/development standards (code review, unit testing, documentation, etc.).
  • Ideally, experience working on a multi‑platform mobile app with a significant volume of traffic.
Equal Opportunity Employer

Taptap Send is an equal opportunity employer dedicated to building an inclusive and diverse workforce. All employment decisions are decided on the basis of qualifications, experience and business need. We strongly encourage applications from members of under‑represented communities to apply. If you require reasonable accommodations, please be in contact.

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Position Requirements
10+ Years work experience
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