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

Join Elavon, a U.S. Bank subsidiary, as a Senior Full Stack Developer/Engineering Lead in London. This role offers an exciting opportunity to design and develop internal tools and platforms that impact business operations across the organization. You'll be working with cutting-edge technologies in the Microsoft stack, including .NET Core, C#, and JavaScript, while leading technical projects from conception to delivery. The position combines technical expertise with leadership responsibilities, requiring 10+ years of software engineering experience and strong full-stack development skills.

The role involves building user-driven applications that automate operations, streamline workflows, and support regulatory and risk reporting. You'll work closely with operations, data teams, and senior stakeholders to create systems used daily by hundreds of users. The position offers a hybrid working model with 3+ days in office, providing flexibility while maintaining team collaboration.

As part of Elavon's technology team, you'll contribute to building platforms and ecosystems that help over 1.5 million customers worldwide achieve their financial goals. The company offers comprehensive benefits including health and financial security packages, along with career development resources. This is an ideal opportunity for a technical leader who values autonomy, innovation, and making direct business impact.

The role requires expertise in both frontend and backend technologies, including C#, .NET Core, JavaScript, and various databases. You'll be responsible for implementing data visualization tools, creating APIs, and ensuring all solutions are well-tested and auditable. The position offers the chance to work on modernizing legacy systems and potentially incorporating emerging technologies like NLP/AI.

Join a company recognized as one of the world's most ethical companies, where you'll find ample opportunities for growth, diverse projects, and a supportive team environment focused on your success and fulfillment.

Last updated 20 days 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 email workflow automation
  • Ensure all solutions are well-tested, version-controlled, and auditable
  • Collaborate with cross-functional teams
  • 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
  • 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
  • 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
  • Flexible work arrangements
  • Career development resources
  • Health benefits
  • Financial security benefits

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