Senior Developer

AppyWay

Senior Developer enhancing backend systems at AppyWay, optimizing urban mobility solutions with a focus on sustainability and cloud technologies.

Posted 7/20/2026full-timeLondon • 🇬🇧 United KingdomSenior💰 £80,000 - £90,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and building scalable backend services and APIs using C# .NET, with a strong focus on cloud-native services in Microsoft Azure. Proficient in implementing CI/CD pipelines, Infrastructure as Code, and contributing to AI-powered workflows while ensuring compliance with ISO 27001 and Cyber Essentials.

Highest-signal resume keywords

C# .NET Backend DevelopmentMicrosoft Azure Cloud ServicesREST API Design and DevelopmentCI/CD Pipeline ImplementationInfrastructure as Code

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Hard Skills

C# .NETREST APIsSQL DatabasesCloud InfrastructureData ProcessingCI/CD PipelinesDistributed SystemsAI TechnologiesEvent-Driven ArchitectureGeospatial Technologies

Soft Skills

Problem-SolvingCommunicationCollaborationMentoring

Tools & Technologies

Microsoft AzurePulumiTerraformBicepElasticsearchAuth0StripeOpenAPISDK GenerationMapbox

Certifications & Qualifications

ISO 27001Cyber Essentials

Industry Keywords

Cloud ApplicationsTechnical ControlsScalable SolutionsOperational ResilienceSoftware Architecture

Tech Stack

Tools & technologies

AzureCloudDistributed SystemsElasticSearch.NETSQLTerraform

About the role

Key responsibilities & impact

Designing and building scalable backend services and APIs using C# .NET.
Developing platform capabilities that support kerbside, parking, payments, mapping and mobility products.
Building data ingestion and transformation pipelines that make it easier to onboard and standardise new datasets.
Developing reusable SDKs, shared libraries and platform components that improve consistency across our products.
Modernising our cloud infrastructure and contributing to platform migrations and technology upgrades.
Designing and supporting cloud-native services hosted within Microsoft Azure.
Implementing Infrastructure as Code, CI/CD pipelines and engineering automation to improve reliability and developer productivity.
Contributing to AI-powered workflows including document processing, data extraction and intelligent automation.
Working with the Security Manager to implement technical controls supporting ISO 27001 and Cyber Essentials.
Collaborating with Product and Engineering to translate customer problems into scalable technical solutions.
Contributing to architectural discussions, technical design and engineering best practices.
Supporting production services by improving reliability, observability, performance and operational resilience.
Mentoring other engineers through code reviews and knowledge sharing.

Requirements

What you’ll need

5+ years' experience building backend applications using C# .NET.
Experience designing and developing REST APIs.
Experience working with Microsoft Azure.
Experience building and supporting production cloud applications.
Good understanding of distributed systems and modern software architecture.
Experience working with SQL databases and data processing.
Experience with CI/CD pipelines and modern software delivery practices.
Comfortable working across backend services, cloud infrastructure and APIs.
Strong problem-solving skills and a pragmatic engineering mindset.
Excellent communication and collaboration skills.
Right to work in the United Kingdom
Desirable
Experience in one or more of the following would be beneficial:
- Azure Functions, Container Apps or App Services.
- Infrastructure as Code (Pulumi, Terraform, Bicep or similar).
- Event-driven architecture and messaging technologies.
- Elasticsearch or other search technologies.
- AI technologies including LLMs, document processing or agentic workflows.
- Authentication and identity platforms such as Auth0.
- Geospatial technologies including GeoJSON, HERE, Mapbox or QGIS.
- Stripe or payment platforms.
- OpenAPI, SDK generation or developer platform tooling.
- ISO 27001, Cyber Essentials or secure software development practices.

Benefits

Comp & perks

💷 Competitive salary of up to £80,000–£90,000 depending on experience
🌴 25 days’ holiday plus all UK bank holidays, and accrue additional days each year up to 30 total
🏠 Hybrid flexible working (fully remote options) with one day a week in our Covent Garden office; open to applicants based anywhere in the UK
✈ “Work from Anywhere” for up to 2 weeks each quarter
🤲 Share option scheme—experience true ownership
💰 Enhanced company pension scheme (Royal London) with matched contributions
📈 Annual Cost of Living review to help protect your compensation
🪦 Death in Service insurance cover
🧘 Access to GP consultations, nutritionists, dental advice, and counselling on demand
🎉 PerkBox: hundreds of perks, discounts, weekly freebies, cashback offers, and discounted gym memberships
☕ On-site perks: barista coffee and an end-of-day beverage at our bar
💻 Choose your own laptop (PC or Mac) and accessories
🚀 Clear growth framework with learning & development support
🍼 Inclusive family leave options, nursing rooms, and a dedicated return-to-work plan
🎾 Regular social events, group trips, and activities