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Senior Full Stack Developer / Engineering Lead – .NET & JavaScript

Elavon, a U.S. Bank subsidiary, provides payment solutions serving over 1.5 million customers worldwide.
Staff Software Engineer
Hybrid
5,000+ Employees
10+ years of experience
Finance

Description For Senior Full Stack Developer / Engineering Lead – .NET & JavaScript

Elavon, a wholly-owned subsidiary of U.S. Bank, is seeking a Senior Full Stack Developer / Engineering Lead to join their team in London. This role presents an exciting opportunity to design and develop internal tools and platforms that directly impact business operations. The position requires a seasoned professional with 10+ years of experience who can lead technical projects while maintaining hands-on development capabilities.

The role involves working with the Microsoft technology stack, including .NET Core, C#, and JavaScript, to build robust full-stack applications. You'll be responsible for creating user-driven applications that automate operations, streamline workflows, and support regulatory and risk reporting. The position offers a hybrid working arrangement with 3+ days in office, providing flexibility while maintaining team collaboration.

As an Engineering Lead, you'll work closely with operations, data teams, and senior stakeholders to shape systems used daily by hundreds of users. The role requires expertise in both frontend and backend development, with a focus on creating intuitive interfaces using Bootstrap, HTML/CSS, and implementing data visualization tools.

The ideal candidate will bring deep technical expertise combined with strong leadership capabilities. You'll need to demonstrate experience with MongoDB, SQL Server, and data-driven applications, along with the ability to integrate with Microsoft Exchange/Outlook systems. Knowledge of risk/control frameworks and regulatory data processes is valued.

Working at Elavon means joining a company recognized for its ethical practices, with opportunities for professional growth and development. The company serves over 1.5 million customers worldwide, providing innovative payment solutions and financial services. This role offers the chance to make a significant impact while working with cutting-edge technologies in a supportive, diverse environment.

Last updated a day ago

Responsibilities For Senior Full Stack Developer / Engineering Lead – .NET & JavaScript

  • Design and build robust full-stack applications using the Microsoft stack (.NET Core, C#, JavaScript, EF)
  • Architect and develop dynamic, configurable web-based platforms for internal business users
  • Implement data visualization and reporting tools
  • Create APIs and background services for real-time processing and automation
  • Build UI components with Bootstrap, HTML/CSS
  • Integrate tools with Outlook and Exchange for advanced email workflow automation
  • Ensure all solutions are well-tested, version-controlled, and auditable
  • Collaborate with cross-functional teams including Operations, Risk, and IT
  • Support product rollouts, user training, and continuous improvement cycles

Requirements For Senior Full Stack Developer / Engineering Lead – .NET & JavaScript

JavaScript
TypeScript
MongoDB
  • 10+ years in software engineering with experience across the full stack
  • Deep hands-on expertise with C#, .NET Core, ASP.NET, JavaScript, EF (EF6 and EF Core)
  • Experience building internal platforms or tools used by non-technical business users
  • Strong frontend skills: JavaScript, HTML, CSS, Bootstrap, D3.js or similar libraries
  • Experience with MongoDB, SQL Server, and data-driven applications
  • Familiarity with Microsoft Exchange / Outlook integration
  • Ability to lead technical projects from concept to delivery
  • Knowledge of risk/control frameworks and regulatory data processes is a plus
  • Excellent communication and problem-solving skills
  • Self-starter with a passion for delivering high-value solutions that scale

Benefits For Senior Full Stack Developer / Engineering Lead – .NET & JavaScript

Medical Insurance
  • Health protection benefits
  • Financial security benefits
  • Career development resources
  • Diverse working environment

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