Senior Software Engineer, Frontend

🔒 Confidential Employer
Posted 28 April 2026
LOCATION
Remote
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

React.js Flutter JavaScript HTML5 CSS3 Dart REST APIs AI developer tools

FULL DESCRIPTION

Senior Software Engineer ,Frontend

[Employer hidden — view at passion-project.co.uk]

Remote

Full Time

What You’ll Do

  • Build scalable web applications using React.js and cross-platform mobile apps using Flutter.
  • Leverage AI developer tools (e.g., Copilot, ChatGPT, Cursor) to assist with code generation, refactoring, testing, rapid prototyping and documentation.
  • Translate Figma designs into responsive web and mobile UI, ensuring design consistency.
  • Collaborate with product, design, and backend teams to deliver seamless user experiences.
  • Optimize web and mobile apps for performance, responsiveness, and scalability.
  • Participate in on-call rotations and assist in resolving production issues with minimal customer impact.

What You’ll bring

  • 5+ years of frontend/mobile development experience in fast-paced Agile environments.
  • Strong expertise in React.js, JavaScript, HTML5, CSS3, and modern frontend practices.
  • Hands-on experience building production-grade Flutter apps using Dart, with solid knowledge of Flutter architecture, widgets, and state management.
  • Experience integrating REST APIs and third-party services, handling JSON, and managing data flows.
  • Understanding of mobile app lifecycle, performance optimization, debugging tools, and monitoring (e.g., Grafana, Firebase, DevTools).
  • Familiarity with deployment processes (App Store, Play Store) and CI/CD pipelines.
  • Experience with micro-frontend architecture, component-based design systems, and using Figma for dev handoff.
  • Strong experience leveraging AI developer tools for code generation, scaffolding, debugging, testing (unit/widget/E2E), issue resolution, and code optimization/refactoring.

This is a hands-on role focused on building high-quality frontend experiences across web (React) and mobile (Flutter). You’ll actively contribute to development, writing clean, scalable code and delivering features end-to-end. We’re looking for someone with an AI-first mindset, using modern developer tools to speed up coding, debugging, and overall productivity. You’ll collaborate closely with engineers, designers, and product teams, while taking ownership of delivering impactful features.

About [Employer hidden]

[Employer hidden] empowers enterprises and government organizations to anticipate, mitigate, respond to, and recover stronger from critical events. In today’s unpredictable world, resilient organizations minimize impact to people and operations, absorb stress, and return to productivity faster when deploying critical event management (CEM) technology. [Employer hidden] digitizes organizational resilience by combining intelligent automation with the industry’s most comprehensive risk data to Keep People Safe and Organizations Running™. For more information, visit www.[Employer hidden].com, read the company blog, and follow on Twitter. [Employer hidden]… Empowering Resilience

[Employer hidden] is an Equal Opportunity/Affirmative Action Employer. All qualified Applicants will receive consideration for employment without regard to race, creed, color, religion, or sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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