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Senior Web Mobile Developer

Activate Group LimitedHalifax, United Kingdom
UK
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Purpose

Make someone's bad day better

You, your role and your impact

  • You’ll deliver quality code for web and mobile, frequently exceeding expectations
  • You are accountable and lead by example
  • You are a partner for the backend&QA teams supporting rigorous design and testing
  • You invest in those around you and foster technical excellence
  • Champion best practices in usability, accessibility, performance, security
  • You are curious and continuously learn because it’s a passion not just an expectation of your role
  • You know when documentation communicates concepts more succinctly and effectively than the code
  • You see opportunities and proactively lead discussions with the wider team aimed at sharing knowledge, experience and insights.

Key responsibilities

  • Extensive web expertise with ReactJS and JavaScript, TypeScript, HTML, CSS
  • Extensive Android native app dev, also Flutter / MVVM experience with Riverpod and GoRouter or AutoRouter with Firebase
  • Deeply experienced in and proud of delivering clean, readable code that is well designed and performant.
  • Android, Cross-Platform mobile development, React Native
  • Confident designing and implementing apps delivering rich experiences offline with background data transfer when connectivity available
  • API design, usage and specification
  • On device image processing and management

Skills and experience

  • 4+ years professional web development delivering SaaS
  • 3+ years professional Android app development
  • Internationalisation for both mobile and web
  • Accurate estimation of implementation effort from stories
  • Familiarity with SignalR or similar real-time messaging service
  • Comfortable working with a designer and from design documentation
  • Secure development practices / Defence in depth
  • Excellent communication skills whether internal or external
  • Knowledge sharing, mentoring, documentation

Desirable Skills and Experience

  • Other front-end frameworks (Angular, Vue.js)
  • Use of local AI models and GPU/NPU offload
  • Containerized deployments (Docker, Kubernetes)
  • UI design, UX
  • Git, ADO, CI/CD, agile practices, scrum
  • Microsoft .Net / C#
  • PostgreSQL including Postgres RLS and indexing of JSON with GIS
  • Cloud infrastructure setup and management especially in Oracle / Azure or using Terraform

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FAQ

Is the Senior Web Mobile Developer position at Activate Group Limited remote?
Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this Senior Web Mobile Developer job posted?
This listing was posted on September 16, 2025 and is still open for applications.
How do I apply for the Senior Web Mobile Developer position at Activate Group Limited?
Use the apply button on this page — it takes you directly to the employer’s application page.

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