Senior .Net Developer

Wizeline; Spain (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Wizeline in the United States is seeking a Senior .NET Developer with a focus on Card Payment Experience to build scalable, cloud-native backend services.

You will design microservices, implement event-driven patterns, and strengthen CI/CD pipelines while addressing fault tolerance and security across distributed systems. Strong Azure experience and proficiency in C# are required, with English at B2 or higher.

Qualifications

• Proven experience as a .NET Core developer with C#.
• Hands-on in designing microservices and event-driven architectures.
• Experience with Azure and cloud-native backends.
• Familiar with CI/CD pipelines and DevOps practices.
• Strong English communication (B2/C1).

Responsibilities

• Design, develop, and maintain scalable backend services in .NET.
• Architect microservices and event-driven ecosystems.
• Improve CI/CD pipelines and cloud deployment.

Skills

Dotnet Core

C#

OOP

DevOps

CI/CD

Azure

Azure Service Bus

Event-driven

Microservices

Distributed Systems

Terraform

English

Unit testing

Tools

Azure DevOps

Terraform

Job description

Senior .NET Developer (Card Payment Experience)

We are

Wizeline is a global AI-native technology solutions provider that develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.

With the right people and the right ideas, there’s no limit to what we can achieve.

We're looking for a Senior .NET Developer with a passion for building scalable, cloud-native applications and distributed systems. In this role, you'll design, develop, and maintain high-quality backend solutions using modern .NET technologies while collaborating with cross-functional teams to deliver reliable, secure, and high-performing software.

You’ll play a key role in designing microservices, implementing event-driven architectures, improving CI/CD pipelines, and contributing to technical decisions that shape the future of our platform.

If you’re passionate about software craftsmanship, cloud technologies, and building resilient distributed systems, we’d love to meet you.

Qualifications:

• Excellent communication and collaboration skills. English B2 Advanced or C1
• Proven experience as a .NET Core Developer (.Net 6 / 8)
• Strong understanding of object-oriented programming principles
• Proficiency in C#
• DevOps experience, pipeline, releases. (ideally with AzureDevOps)
• Unit tests, integration and end to end testing experience
• Cloud computing and related concepts (ideally with Azure)
• Messaging systems (ideally Azure Services Bus brokered, topics and queues)
• Experience with Event driven and/or microservices Architecture and related patterns
• Experience with Distributed Systems and related patterns, focusing on fault-tolerant environments:
• Idempotency
• Sagas
• Inbox
• Outbox
• Experience integrating with internal and external Apis
• Experience with Terraform or Infrastructure as Code (IaC)

Nice-to-have

• AI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.