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# Lead .NET Engineer

- **Company:** Búsqueda Avanzada
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Airflow, Application Services, Microsoft Azure, C Sharp (Programming Language), Cloud Storage, Code Review, Data Centers, Distributed Systems, NoSQL, Performance Tuning, Software Engineering, SQL Databases, Workflow Management Systems, Enterprise Software Applications, Data Storage Technologies, Cloud Platform System, Spring Cloud, System Availability, Backend, Azure AKS, Restful APIs, Microservices
- **Published:** July 30, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

+ Extensive experience 8+ years developing backend services and APIs in C#/.NET
 + Experience with Azure services including App Services, AKS, Blob Storage, SQL/NoSQL Databases
 + Experience with microservices architecture and distributed systems
 + Hands-on experience with the Temporal .NET SDK or other workflow orchestration/tools (e.g., Durable Functions, Step Functions, Apache Airflow)
 + Strong understanding of designing and building scalable, secure, and reliable cloud-native applications
 + Experience with designing and implementing RESTful or gRPC APIs
 + Knowledge of data storage best practices, including security, availability, and compliance
Preferred Qualifications:

 + Familiarity with integrating orchestration tools into enterprise software environments
 + Experience with performance optimization, cost management, and designing for high availability
 + Excellent communication and collaboration skills
 + Prior experience mentoring engineers and conducting design/code reviews
 + Background in supporting analytics and business intelligence integrations

## Description

Our customer is a global leader in digital agreement and e-signature solutions, enabling organizations worldwide to securely manage, sign, and automate business-critical documents and workflows.
They are looking for a self-motivated software engineer to join us developing storage infrastructure to organize and facilitate our business growth. Our team is the center of how customers and services store their critical data and trust its security, performance, availability, compliance and durability, which enables customer derive intelligence and analytics through AI & BI.
As a Lead Software Engineer, you will own all aspects of the software development lifecycle including design, development, testing, deployment, and maintenance of product features in software products. You will play a key role in ensuring that our storage solutions are reliable, scalable, and support advanced orchestration using technologies such as the Temporal .NET SDK. You enjoy fast-paced entrepreneurial environments where you can solve difficult problems using current technologies and tools. You collaborate well with other team members when brainstorming, designing, and implementing new solutions. You will also help the team succeed by thinking about ways to improve processes, suggesting ways to make the team more effective, and mentoring and modeling engineering best practices., + Design, develop, and maintain high-performance backend systems and APIs using C# and .NET technologies, hosted in Azure and various compliance-level data centers

 + Build and maintain microservices-based architectures using C#, ASP.NET, and others
 + Leverage Azure services like Azure App Services, Azure Kubernetes Service (AKS), Azure Blob Storage, and SQL/No-SQL databases to build scalable, secure, and reliable cloud-native solutions
 + Design, implement, and maintain distributed workflows using the Temporal .NET SDK to provide resilient and observable orchestration for business-critical backend processes
 + Integrate Temporal workflows with our .NET microservices architecture and cloud-based infrastructure
 + Design and implement RESTful or gRPC APIs, and ensure seamless integration with other systems and products
 + Optimize architecture and solutions for scalability and availability, with cost and maintenance in mind
 + Identify and address performance bottlenecks and scalability challenges proactively
 + Align across teams for designs, communicate and resolve roadblocks
 + Guide and mentor other engineers through design and code reviews


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