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About the Role

We are seeking a Flutter Engineer to join an in-house backend engineering team focused on a highly regulated, safety-critical medical technology product. You will be responsible for a self-contained area of the application, managing the process from initial design through to final code delivery. This role is ideal for an experienced Flutter Engineer familiar with Linux-based safety-critical systems and formal quality processes.

Responsibilities

Construct guided setup workflows, patient ID workflows, sensor lifecycle tracking, data quality thresholds, subsystem monitoring screens, and embedded guidance tools.
Deliver real-time metric displays, interactive timeline graphs, target value baselines, motion metric indicators, historic data visualization, and clinical notation features.
Build prioritized alert views on the primary screen, silence controls, customizable limit ranges, and status message panels.
Develop screens for system boot, permissions routing, loss-of-signal alerts, time-zone settings, pause states, discharge workflows, shutdown routines, service utilities, and data export functions.

Requirements

Demonstrated experience deploying Dart and Flutter interfaces on embedded Linux setups (flutter-auto), alongside familiarity with fixed touchscreen layouts, virtual keypads, and systemd service managers.
Deep practical knowledge of flutter_bloc, Cubit, and provider architectural patterns, utilizing sealed classes, pattern matching, and stream regulation techniques.
Proven background building socket connections to process size-prefixed FlatBuffers packets over local TCP networks.
Strong capability creating performant CustomPainter charts for high-frequency data streams designed to minimize memory allocation overhead.
Comprehensive understanding of flutter localizations, ARB files, and timezone-aware component rendering.
Strong track record in unit, widget, screenshot, and regression testing, reaching full coverage metrics across safety-critical modules.
Experience with continuous integration, detailed peer reviews, structured inline documentation, and clear requirement mapping.
Familiarity with medical technology environments or regulatory quality frameworks.
Working knowledge of C++ for reviewing protocol definitions and defining service interfaces.
Comfort translating Figma designs and contributing toward software risk evaluations (FMEA).

Skills

Dart
Flutter
flutter_bloc
Cubit
Provider
Sealed Classes
Pattern Matching
Stream Regulation
Socket Connections
FlatBuffers
TCP Networking
CustomPainter
Flutter Localizations
ARB Files
Timezone-aware rendering
Unit Testing
Widget Testing
Screenshot Testing
Regression Testing
Continuous Integration
Peer Reviews
Inline Documentation
Requirement Mapping
C++
Figma
FMEA

Location

London

Work Type

Contract
Hybrid

Experience Level

Experienced

About the Company

AND Digital is on a mission to close the world's tech skills gap.
We help organisations navigate the future of technology by combining human expertise, emerging tech and AI to deliver better outcomes, faster.
Since 2014, we've worked alongside clients to solve complex challenges, build high-performing teams and create lasting capability.
Today, we're over 1,300 people across the UK, Europe and the USA, with ambitious plans for continued growth.

Equal Opportunity

AND Digital is an equal opportunity employer.
We welcome applications from people of all backgrounds and experiences and are committed to creating an inclusive workplace where everyone can thrive.
We will make reasonable adjustments throughout the recruitment process where required.