Mid-Level Software Developer (Android & Backend)

Your responsibilities will include:

Developing new features for our Android kiosk application

Building and maintaining backend services and REST APIs

Integrating third-party payment providers and external platforms

Working with cloud infrastructure and serverless technologies

Supporting integrations between software, payment devices and physical hardware

Investigating and resolving issues across applications, devices, hardware and networks

Improving application performance, stability and reliability

Contributing to architecture and technical design discussions

Writing clean, testable and maintainable code

Reviewing code and helping maintain high engineering standards

Supporting deployment, monitoring and continuous improvement

Working closely with Product and Operations teams to deliver new functionality

Taking ownership of features from initial concept through to production

Projects may include:

Android kiosk software

Cloud APIs and backend systems

AI-assisted data analysis and internal insight tools

Real-time data processing

Payment-provider integrations

Hardware and peripheral integrations

Remote device management

Internal operational tooling

Application performance and reliability improvements

We are looking for someone who:

Enjoys learning and working with new technologies

Takes ownership and follows work through to completion

Approaches problems pragmatically

Writes clean, maintainable code

Is comfortable working independently while collaborating with a wider team

Communicates technical information clearly

Enjoys investigating complex problems rather than working within a narrow remit

Can balance speed of delivery with quality and reliability

Is comfortable in a fast-moving scale-up environment

Wants to contribute ideas rather than simply implement specifications

Experience in any of the following would be beneficial:

AWS

Serverless development using AWS Lambda or API Gateway

PostgreSQL

Firebase

Docker

Linux

Python

Node.js

Networking fundamentals

Payment integrations

Bluetooth, USB or serial communications

Embedded systems or IoT devices

CI/CD pipelines

GitHub Actions

Applications interacting with physical hardware

Remote monitoring or device-management platforms

Our current technology stack includes:

Kotlin and Java

Android

REST APIs

The stack will continue to evolve as the business and our products grow.

Work on technology used in major stadiums, festivals, arenas and hospitality environments

See the direct, real-world impact of the software you build

Take ownership of meaningful features and technical challenges

Work across Android, backend, cloud, payments, data and hardware integrations

Join a small team where your ideas and contributions will be visible

Help shape engineering practices as the business scales

Join an ambitious international technology company at an exciting stage of growth

1. Initial conversation with me on motivation, experience, communication and logistics 2. Technical assessment around Android, backend, debugging and engineering judgement 3. Final interview confirming ownership, collaboration and real-world problem-solving approach

Boxbar Tech is committed to creating an inclusive working environment and providing equal opportunities to all applicants.

We welcome applications from people of all backgrounds and make employment decisions based on skills, experience, potential and suitability for the role. Please let us know should you require any reasonable adjustments during the recruitment process.