Lead .NET API & Cloud Integration Architect

Paychex Europe; København; Hybrid; DKK 900,000 - 1,100,000; Full time

Job summary

Paychex Europe’s Emply division is seeking a Lead Integration Developer to define the technical direction for APIs and cloud-based integrations within a growing HCM platform. You’ll combine hands-on coding with architectural leadership to shape scalable, secure enterprise solutions.

You’ll mentor a team of developers across Europe, drive best practices, and collaborate with architects, product owners, and Scrum teams to deliver high-quality integrations using .NET, REST and GraphQL in a hybrid

Qualifications

• 10+ years of proven experience designing and developing enterprise applications.
• Experience modernising legacy codebases and non-functional requirements such as security, performance, and scalability.
• Strong ownership of architecture and the ability to drive critical technical decisions.

Responsibilities

• Define integration architecture in collaboration with the Architect.
• Own integration patterns and standards.
• Design scalable APIs and integration services.
• Mentoring developers and raising engineering standards.

Skills

C# / .NET

REST APIs

GraphQL

OpenAPI modeling

DDD

Architectural ownership

Mentoring

Strong communication

Hands-on coding

English proficiency

Tools

MS SQL

Hangfire

Azure DevOps

Jira

Git

Job description

Paychex Europe’s Emply division is seeking a Lead Integration Developer to define the technical direction for APIs and cloud-based integrations within a growing HCM platform. You’ll combine hands-on coding with architectural leadership to shape scalable, secure enterprise solutions.

You’ll mentor a team of developers across Europe, drive best practices, and collaborate with architects, product owners, and Scrum teams to deliver high-quality integrations using .NET, REST and GraphQL in a hybrid