Flutter Engineer – Contract

AND Digital

. Own a self-contained area of a highly regulated, safety-critical medical technology application from initial design through merged, tested, and documented code .

Posted 9/19/2026contractLondon • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and deploying medical technology applications with a focus on safety and regulatory compliance. Proficient in Dart and Flutter for embedded systems, with a strong emphasis on performance optimization and testing methodologies.

Highest-signal resume keywords

Dart ProgrammingFlutter DevelopmentEmbedded LinuxUnit TestingMedical Technology Compliance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Flutter_blocCubitProvider Architectural PatternsCustomPainter ChartsSocket ConnectionsFlatBuffersStream Regulation TechniquesFigma Design TranslationC++ Protocol ReviewContinuous Integration

Tools & Technologies

Systemd Service ManagerTouchscreen LayoutsTime-Zone SettingsData Export FunctionsService Utilities

Industry Keywords

Safety-Critical ApplicationsRegulatory Quality FrameworksFMEAClinical Notation FeaturesData Quality Thresholds

Tech Stack

Tools & technologies

DartFlutterLinuxC++

About the role

Key responsibilities & impact

Own a self-contained area of a highly regulated, safety-critical medical technology application from initial design through merged, tested, and documented code
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, 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
Work closely with the Software Architect and engineers responsible for surrounding components
Take ownership of delivery within the assigned application area

Requirements

What you’ll need

Demonstrated experience deploying Dart and Flutter interfaces on embedded Linux setups (flutter-auto)
Familiarity with fixed touchscreen layouts, virtual keypads, and systemd service managers
Deep practical knowledge of flutter_bloc, Cubit, and provider architectural patterns
Experience 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 with minimized 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)

Benefits

Comp & perks

Equal opportunity employer committed to an inclusive workplace
Reasonable adjustments throughout the recruitment process where required