Overview

Senior Full Stack Engineer (.NET AND AWS) role at Human-CR, S.L. Hybrid Central Manchester or Leeds (up to 2 days per week onsite). Permanent, Full Time. Salary: Up to £70,000 PA + Bonus and Benefits.

Join to apply for the Senior Full Stack Engineer (.NET AND AWS) role at Human-CR, S.L.

Why this role?

Our client is a global SaaS company building platforms that process thousands of transactions every day and connect users across Europe. Their engineering teams are scaling products that are mission-critical to customers and need to be secure, resilient and fast. This is a chance to join a forward-looking environment where engineering is valued at the highest level, new technologies are embraced, and technical voices influence direction as much as product ones.

What makes this exciting

Youll work on high-scale, cloud-native platforms that are core to the business, used daily by a large professional user base. Youll be joining a team that genuinely values clean code, thoughtful architecture and continuous delivery. Youll have influence not just on what is built but how it is built, with real freedom to shape engineering practices and technical standards. Youll be surrounded by engineers and product teams who are passionate about doing things properly, not cutting corners.

Responsibilities

• Design, build and maintain scalable, high-performance applications and services.
• Write clean, maintainable, well-tested code.
• Spot and resolve issues early, whether that is a performance bottleneck, data integrity risk or security concern.
• Integrate with third-party systems and contribute to building out an event-driven, microservices-based architecture.
• Take part in agile ceremonies, share knowledge across teams and contribute to technical documentation.
• Champion modern engineering practices and be proactive in pushing the stack forward.

What you'll bring

• Strong experience with .NET and building cloud-based systems.
• Familiarity with AWS or Azure, including serverless functions and microservices.
• Experience with both SQL and NoSQL databases and messaging systems.
• Frontend experience with modern frameworks such as React and TypeScript.
• Strong communication skills, an agile mindset and the ability to juggle multiple priorities.

The stack you’ll be working with

• Cloud: AWS, Azure
• Compute: .NET 8, ECS, Azure VM, Lambda, Azure Functions
• Databases: DynamoDB, MS SQL
• Messaging: SNS, SQS, EventBridge, Event Grid
• Web: React, TypeScript
• DevOps: GitHub Enterprise, Azure DevOps, Terraform, GitHub Actions, Azure Pipelines

Useful extras

• Experience with Docker, Event-Driven Architecture, RabbitMQ, SignalR, or Azure services.
• A genuine interest in learning and sharing knowledge, plus a drive for continuous improvement.

Why join?

This is the best of both worlds. Youll be part of a global organisation with the security and resources of a market leader, while enjoying the agility and modern engineering culture of a SaaS scale-up. The work you do will directly shape platforms relied upon by thousands of users every day.

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