We are seeking a highly experienced Senior .NET Backend Engineer based in Pakistan to join our global engineering team. The ideal candidate has extensive experience with C#/.NET Core, microservices, and cloud-native applications, and has worked in high-scale environments such as fintech, healthcare, or insurance. The candidate must be comfortable collaborating in English and have some professional experience communicating in Spanish (e.g., having worked with Spanish-speaking teams or clients).

Key Responsibilities:

• Design and develop scalable, secure microservices using .NET 6/8, Kafka, and Docker.

• Build and maintain RESTful APIs with ASP.NET Core, Web API, Entity Framework Core, and PostgreSQL or MySQL.

• Work with CQRS and Domain-Driven Design to separate business logic for high-performance systems.

• Integrate with Apache Kafka, Redis, and SQS for messaging and async event handling.

• Collaborate with frontend teams using React.js, Razor, Blazor, Knockout.js, and modern frontend stacks.

• Deploy services to AWS (EKS, Lambda, S3, RDS) and Azure (App Services, SQL, Functions).

• Set up CI/CD pipelines using GitHub Actions, Jenkins, Azure DevOps, or Bitbucket Pipelines.

• Write and maintain unit, integration, and contract tests with xUnit, NUnit, Selenium, Postman, and Cypress.

• Work in an Agile team, contributing to sprint planning, backlog grooming, and collaborative development.

• Communicate clearly with Spanish-speaking clients or stakeholders, especially in written or basic spoken form.

Must-Have Technical Skills:

• 11+ years with C#/.NET Core, ASP.NET MVC, Web API

• Experience with microservices, Docker, Kubernetes, Git

• Strong in PostgreSQL, SQL Server, MySQL, T-SQL, stored procedures

• Hands-on with Apache Kafka, Redis, CQRS, DDD

• Frontend familiarity: React.js, Razor, Knockout.js, Blazor

• Cloud: AWS (EKS, Lambda, RDS) and/or Azure (Functions, App Services)

• DevOps: GitHub Actions, Jenkins, Azure DevOps

• Testing tools: xUnit, NUnit, Selenium, Postman

• Familiar with Agile methodologies, Jira, and Confluence

Required Soft Skills:

• Proven ability to work independently in a remote environment

• Excellent written and verbal English communication

• Experience communicating with Spanish-speaking stakeholders (basic conversational Spanish required)

• Strong problem-solving mindset and ownership of deliverables

• Ability to mentor junior developers and perform code reviews

Preferred Qualifications:

• Experience in fintech, healthcare, or insurance industries

• Familiarity with Stripe, PayPal, or other third-party SDKs

• Knowledge of gRPC, SignalR, or background job orchestration