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Senior Backend Engineer (.NET / Python / Azure)
Gramian Consulting Group
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Source date: 10/30/2026
About this role
About Gramian Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs. About the Role Our client is a Big4 Consultancy group that works with leading financial institutions on AI-driven transformation, automation, advanced analytics, and financial crime prevention. Their are building a production-grade AI-assisted KYC / Customer Due Diligence platform for an international insurance environment. We are looking for an experienced Backend / Full-Stack Engineer to build the services connecting the AI-driven CDD platform with enterprise systems. The role requires strong hands-on experience across C#/.NET and Python, with a focus on APIs, enterprise integrations, asynchronous workflows, containerization, Azure DevOps, and production reliability. CONTRACT: B2B or B2C contract COMMITMENT: Full-time, 3-4 months contract with possibility of extension or getting on new projects LOCATIONS: Remote, EU-based candidates START: ASAP PROCESS: Initial qualification followed by client interviews Responsibilities * Build middleware APIs connecting enterprise applications, data platforms, and legacy systems. * Develop and maintain ASP.NET Core Web APIs and Python services. * Extend AI-driven service modules and connector frameworks. * Implement reliable asynchronous workflows, callbacks, retries, and safe write-back mechanisms. * Integrate with REST APIs, messaging systems, queues, databases, and enterprise platforms. * Package and deploy services using Docker and CI/CD pipelines. * Support deployments to Azure / Databricks-based environments. * Write and maintain unit and integration tests. * Troubleshoot issues found during testing and in production. * Contribute to a business-critical platform where uptime, speed, and correct results are essential Requirements * Strong hands-on experience with C# / .NET and ASP.NET Core Web APIs. * Practical experience with Python, ideally FastAPI or a comparable framework. * Experience building and integrating REST APIs and enterprise services. * Experience with messaging / queues and asynchronous integration patterns. * Strong experience with Docker, Git, and Azure DevOps CI/CD. * Experience writing unit and integration tests for production services. * Ability to work across modern cloud services and legacy enterprise systems. * Fluent English and ability to work remotely within the EU.