Senior Full-Stack Mobile Developer

ByteHire; City of Edinburgh; Hybrid; GBP 54,000 - 66,000; Full time

Benefits offered by this job

Hybrid working model

Hybrid setup with strong tech culture

Continuous learning & mentorship

Office snacks and equipment allowance

Job summary

ByteHire in Edinburgh is hiring a senior full-stack engineer focusing on React Native and PHP backend work for a SaaS platform. You will optimize mobile apps (Android/iOS), implement robust APIs, and collaborate across product, QA, and DevOps to deliver reliable software.

The role offers a hybrid working model with a strong emphasis on engineering quality, continuous improvement, and team development. 60k salary up to per year with generous tech stack exposure.

Qualifications

• Experience building React Native applications for iOS and Android.
• Strong TypeScript skills with typed codebases.
• Backend integrations and API-driven features using PHP frameworks.

Responsibilities

• Deliver scalable features and APIs with performance, reliability, and security in mind.
• Contribute to architecture, code quality, and long-term maintainability.
• Own end-to-end delivery from concept to production.
• Work with SQL databases and backend integrations.
• Apply testing, CI/CD, and Git version control best practices.
• Mentor engineers and promote engineering standards.
• Collaborate with Product, QA, DevOps and cross-functional teams.
• Improve observability and documentation; drive tooling improvements.
• Communicate clearly with technical and non-technical stakeholders.

Skills

React Native

TypeScript

Redux

CSS/Tailwind

Android

iOS

Jest

Expo

i18n

Git

Tools

PHP

Symfony

Laravel

SQL

Doctrine ORM

Codeception

CI/CD (GitLab)

Job description

Salary: up to £60,000 per annum

About The Client:

Our client is a growing SaaS organisation delivering software solutions that support operational efficiency across logistics and field-based services. Their platform is widely used to manage complex, real-time processes, helping businesses improve performance and visibility across their operations.

They offer a collaborative and supportive environment, with a strong focus on continuous improvement, engineering quality, and team development.

Responsibilities & Core Engineering Expertise

• Deliver scalable features and APIs with a strong focus on performance, reliability, and security
• Contribute to system architecture, code quality, and long-term maintainability
• Own delivery end-to-end, from concept through to production
• Work with relational databases (SQL) and backend integrations
• Apply strong engineering principles across testing, CI/CD, and version control (Git)
• Collaborate with Product, QA, DevOps, and cross-functional teams to deliver effective solutions
• Identify and resolve performance, scalability, and operational challenges
• Participate in code reviews and promote engineering best practices
• Mentor and support other engineers within the team
• Contribute to documentation, monitoring, and observability improvements
• Continuously improve processes, tooling, and overall team efficiency
• Communicate effectively with both technical and non-technical stakeholders

Experience in Frontend & Mobile Tech

• Strong experience with React Native (modern)
• Proficiency in TypeScript (fully typed applications)
• Experience with Redux for state management
• Strong understanding of CSS and styling approaches (e.g. TailwindCSS, Flexbox, Grid)
• Experience building and maintaining Android applications
• Experience building and maintaining iOS applications
• Experience writing unit tests using Jest
• Experience with Expo for React Native development
• Experience implementing i18n (internationalisation) for multi-language / multi-region applications

Experience working with native mobile features, such as:

• Location tracking (GPS)
• Camera integrations (QR code / barcode scanning)
• Maps integration (e.g. Mapbox SDK)

• Strong experience with PHP
• Experience with modern PHP frameworks (preferably Symfony, but Laravel or others accepted)
• Strong proficiency with SQL and relational databases
• Experience working with CI/CD pipelines (e.g. GitLab CI)
• Experience using Doctrine ORM
• Experience with Codeception for testing

Why Join?

• Hybrid working model with flexibility.
• Supportive and collaborative team environment.
• Opportunities for professional development and mentoring.
• Regular team events and a strong team culture.
• Opportunity to make a meaningful impact within a growing technology business.
• 30 days annual leave plus holiday purchase scheme.
• Flexible working options with hybrid setup.
• High-spec workstation with multiple monitors and choice of OS.
• Structured onboarding and ongoing training support.
• Dedicated personal development budget.
• Modern office environment with complimentary snacks, drinks, and refreshments.
• Regular company social events.
• Life assurance scheme including remote GP access, mental health support, physiotherapy, and EAP services.