Senior Full-Stack Developer

IAM Cloud

. Design, develop, test, and maintain high-quality software throughout the full development lifecycle .

Posted 11/11/2026full-timeRemote • United Kingdom, Ireland, SpainSenior💰 £85,000 - £95,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in software development using C# and modern .NET, with a strong foundation in software engineering principles, algorithms, and system design. Proficient in developing scalable, reliable applications leveraging Azure services and React-based UI components.

Highest-signal resume keywords

C# DevelopmentASP.NET CoreAzure ServicesReact-Based ApplicationsSoftware Engineering Fundamentals

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#ASP.NET CoreEntity Framework CoreSQL ServerAPI DevelopmentCloud Platform DevelopmentSoftware Testing PracticesAgile MethodologiesObject-Oriented DesignAlgorithms

Soft Skills

Problem SolvingCollaborationAnalytical SkillsEffective CommunicationRemote Work Adaptability

Tools & Technologies

Azure DevOpsCI/CD PipelinesSwagger/OpenAPIDuende Identity ServerAI Tools

Industry Keywords

Distributed SystemsScalability OptimizationSearch TechnologiesAI/ML-Enabled ProductsFull-Stack Development

Tech Stack

Tools & technologies

ASP.NETAzureCloudDistributed SystemsEntity FrameworkReactSQL.NET

About the role

Key responsibilities & impact

Design, develop, test, and maintain high-quality software throughout the full development lifecycle
Solve complex technical and architectural challenges using sound engineering principles
Contribute to API, backend, cloud platform, and frontend React component-based UI development
Collaborate with product, engineering, and leadership teams on strategic initiatives
Analyse, diagnose, and resolve difficult production and performance issues
Apply clean code, object-oriented design, and software engineering best practices
Support technical decision-making, code reviews, and knowledge sharing
Leverage AI tools appropriately while maintaining quality and ownership
Identify opportunities to improve systems, processes, scalability, and reliability
Shape architecture and improve platform capabilities involving distributed systems, AI-enabled functionality, search technologies, and large-scale APIs

Requirements

What you’ll need

Strong professional experience developing software with C# and modern .NET
Excellent understanding of software engineering fundamentals, algorithms, system design, and problem solving
Experience with ASP.NET Core, Web APIs, Entity Framework Core, and SQL Server
Experience with Azure services including web applications, functions, databases, event hubs, and storage
Strong understanding of testing practices, version control, and Agile delivery methodologies
Strong understanding of UI development, React-based applications, and static sites
C1 level English proficiency or native-level fluency
STEM / Computer Science degree or equivalent evidence of advanced engineering capability and analytical problem-solving skills
Ability to work effectively in a fully remote environment
Desirable: search and indexing technologies
Desirable: AI/ML-enabled products or AI-assisted development workflows
Desirable: distributed systems and scalability optimisation
Desirable: Azure DevOps and CI/CD pipelines
Desirable: REST API documentation, Swagger/OpenAPI
Desirable: Duende Identity Server
Desirable: source generation in .NET
Desirable: full-stack development
Must be based in the UK, Ireland, or Spain with full right to work

Benefits

Comp & perks

Guaranteed £2,000 (or local equivalent) pay rise every year, separate from merit or promotion increases
26 days holiday plus public holidays
Option to swap public holidays for more meaningful days
Birthday and work anniversary day off every year
Up to 4 weeks per year working from anywhere in the world
Fully remote working and flexible hours
Becoming a Parent leave
Medical scheme including remote GP, dental, optical, and diagnostics (UK employees)
Confidential counselling, therapy, and coaching through Support Room
Help@Hand employee assistance programme
5x salary life insurance through Unum
Up to 10% pension match (UK employees)
Annual learning and development budget by function
Team events a few times a year