Dan Church-Wilsher

Lead Developer.NET & Cloud

Highly experienced .NET engineer with 11+ years designing performant C# libraries and cloud systems, with a mathematical background (BSc Mathematics & Computing) in data structures and algorithms. Proven track record of delivering projects on-time, leading a dev team and designing scalable cloud architecture. Seeking to further develop my expertise in all things .NET and AI.

Hemel HempsteadRemote / Hybrid11+ yrs experience
DCW

First Class BSc (Hons)

Mathematics & Computing

University of Hertfordshire

Employment

Lead Developer

2022 - Present

360GlobalNet · Remote

Responsibilities

  • Provide hands-on technical leadership across architecture, implementation, code quality, and agile engineering practices
  • Design, develop and maintain SaaS features
  • Expand and manage cloud infrastructure solutions with focus on scalability, resilience, and cost efficiency
  • Ensure compliance with modern security standards
  • Lead a team of 5 developers
  • Include AI & Agentic workflow in our SaaS product, enabling automatic decision making on receipt of invoices

Achievements

  • Reduced AWS spend by 15%
  • Rewrite of SaaS front-end in React
  • Consistently passed External Pen Tests with only low-risk findings
  • Maintained high unit test coverage using MSTest, alongside 100% end-to-end coverage
  • Mentored team, including 2 graduates
  • Collaborated closely with domain experts and stakeholders to translate complex business requirements into effective software solutions
AWSC#.NET 10ReactJSReduxTailWindGraphQLJavaClaude LLMsRabbitMQDockerIaC (AWS CDK)Jira

Senior .NET Developer

2018 - 2022

360GlobalNet · St Albans

Responsibilities

  • Design and implement microservices
  • Support & maintain a .NET monolith
  • Develop .NET Core APIs
  • Create CI/CD pipelines using Azure DevOps, CDK and AWS CloudFormation

Achievements

  • Designed and published reusable C# NuGet libraries used across multiple services, enabling composable, maintainable system design
  • Implemented custom document import workflow using microservices
  • Integration with in-house and external APIs
  • Architected and delivered serverless solutions
  • Upskilled on React and trained the team on its concepts
  • Identified and resolved memory leaks in the back-end, reducing memory usage by 30% and improving application stability and processing efficiency under sustained load
AWSC#.NET 8.NET 4.6.2WPFWCFDockerIaC (AWS CDK)JiraSQL (Postgres, SQL Server)Visual StudioVS Profiler

IT and Software Development Manager

2015 - 2018

The Professional Fundraiser · Hitchin

Responsibilities

  • Develop an internal web-app for managing charity fundraising & event booking
  • Build & maintain all computer hardware
  • Ensure compliance with modern security standards

Achievements

  • Managed the development of a new Android Fundraising app
  • Migrated to new premises & undertook setup of all networking & servers
  • Implemented an automated payments calculation process, reducing time spent on payments processing by 50%
  • Achieved ISO:27001 certification
  • Implemented REST APIs for calendar & booking management
C#ASP.NetJSJQuerySQL Server

Contact