Senior .NET Payments Engineer - Microservices & Cloud

GR8_TECH; Spain; Remote; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Remote-first

Learning culture

Team events

Languages

Job summary

GR8_TECH is looking for a senior .NET engineer to design, develop, and maintain scalable systems for the Payments Team. You will mentor engineers, drive architectural choices, and ensure high performance aligned with business goals.

You’ll design microservices, implement resilient architectures, and contribute to continuous improvement in development practices while collaborating with product and operations teams to deliver production-ready solutions.

Qualifications

• Strong experience designing scalable .NET systems with microservices and cloud-native patterns.
• Advanced C# skills and RESTful API development, including asynchronous programming.
• Proficiency in SQL optimization, data modeling and indexing across relational/NoSQL databases.
• Hands-on experience with Kafka, high-load system tuning, caching, and distributed computing.

Responsibilities

• Design and implement scalable, resilient software architectures using microservices and event-driven approaches.
• Write, test, and review production-ready code; ensure security and best practices.
• Mentor junior engineers and collaborate with product, design and operations teams.
• Drive continuous improvement in development practices and performance.
• Create and maintain technical documentation; communicate updates to stakeholders.

Skills

NET architecture

C# programming

RESTful API development

SQL optimization

Kafka

CI/CD pipelines

Docker/Kubernetes

Testing (xUnit, NUnit)

Agile teams

English (Upper-Intermediate+)

Tools

Docker

Kubernetes

SQL databases

NoSQL databases

Job description

GR8_TECH is looking for a senior .NET engineer to design, develop, and maintain scalable systems for the Payments Team. You will mentor engineers, drive architectural choices, and ensure high performance aligned with business goals.

You’ll design microservices, implement resilient architectures, and contribute to continuous improvement in development practices while collaborating with product and operations teams to deliver production-ready solutions.