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Senior Engineer, Core

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Taptap Send
Full Time position
Listed on 2026-06-13
Job specializations:
  • Software Development
    Backend Developer, Full Stack Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 GBP Yearly GBP 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

The Role

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, we hope you will also have a lot of impact on our team culture, processes and norms.

Taptap Send is a cross-platform mobile app developed with React Native and Type Script, which talks to a backend service written in Kotlin and backed by a Postgre

SQL database, all of which runs on AWS and is managed via Terraform and Ansible. This is a backend-focused role, but you will have plenty of opportunities to work on all parts of our tech stack.

Your 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
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 be a driving force
Ideally
  • Experience working on a multi-platform mobile app with a significant volume of traffic
  • High personal code/development standards (code review, unit testing, documentation, etc.)
Equal Opportunity Employer Statement

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 who are members of underrepresented communities to apply.

Reasonable Adjustments

If you require reasonable adjustments to be made during the recruitment process, please do not hesitate to let us know. Any information you provide us in this respect will only be used to accommodate your requirements.

Note:

we recognize imposter syndrome is real - any candidate that does not perfectly fit every characteristic of this role is still strongly encouraged to apply.

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Position Requirements
10+ Years work experience
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