Senior Mobile /Flutter Developer

Gea; Belfast City District; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

GEA Digital in Belfast is seeking an experienced Flutter developer to design, build and maintain production-grade mobile apps. You will translate product intent into concrete specifications, codify architecture and AI agent guidance, and develop automated CI/CD pipelines.

The role emphasizes end-to-end ownership in a small team, with occasional travel and hybrid work from the Belfast office. You will collaborate on a modern stack including Firebase, REST APIs, Azure, and GitHub Actions,

Qualifications

• Hands-on Flutter development in production environments
• Experience with state management, platform integration, testing, and release processes
• Ability to define and maintain repository-level AI instructions and reusable agent skills
• Experience building automated CI/CD pipelines and automated checks
• Strong communication in English; German a bonus

Responsibilities

• Design, build, and maintain production-grade Flutter applications.
• Translate product intent into executable specifications and acceptance criteria.
• Codify architecture, development rules, and AI guidance for coding agents.
• Build agent skills and automation for implementation, testing, and delivery.
• Improve the AI-first development pipeline to maximize throughput without compromising quality

Skills

Flutter

English proficiency

German (bonus)

Small team ownership

Tools

Firebase

Azure

GitHub

REST APIs

CI/CD (GitHub Actions)

Job description

Responsibilities / Tasks

Who we are:

• We are part of GEA Digital, focused on developing digital solutions and services.
• We build solutions for monitoring and managing systems for the dairy farming industry.
• We are rebuilding our mobile experience with Flutter using an AI-first, highly automated engineering approach.
• In the Mobile team, we treat architecture guidance, agent instructions, automated verification, and CI/CD as part of the product delivery system.
• Our designated tech stack will also include Firebase, REST APIs, Azure, GitHub, and CI/CD tools like GitHub Actions.

Why we need you:

• You design, build, and maintain production-grade Flutter applications.
• You translate product intent into clear, executable specifications and acceptance criteria.
• You codify architecture, development rules, and recurring engineering knowledge as instructions for AI coding agents.
• You build agent skills and automation for implementation, testing, visual verification, and delivery.
• You continuously improve an AI-first development pipeline to maximize throughput without compromising product quality.

Your Profile / Qualifications

How you can contribute:

• You bring at least four years of hands-on Flutter development experience within the last five years.
• You have delivered and maintained complex Flutter apps in production, including state management, platform integration, testing, and release processes.
• You know how to create and maintain repository-level AI instructions, reusable agent skills, and deliberately scoped context.
• You use AI coding agents as part of your normal engineering workflow and can verify their output efficiently.
• You know how to design highly automated CI/CD pipelines covering builds, static analysis, tests, UI verification, and deployment.
• You can turn recurring defects and review findings into automated checks, tests, or improved agent guidance.
• You work effectively in a very small team, take end-to-end ownership, and make pragmatic architectural decisions.
• You have excellent English language skills, with German considered a bonus.
• You're based in or near Belfast and are open to occasional travel (under 10%).
• As a hybrid role, you'll be expected to work from our Belfast office approximately one to two days per week.