Senior Backend Engineer (.NET / Python / Azure)

Gramian Consulting Group

Poland +5
Remote
Posted 30 Oct 2026

# Senior Backend Engineer (.NET / Python / Azure)

> Gramian Consulting Group · Poland (Remote) · Contract · Posted 2026-10-30

**Workplace:** remote

**Department:** Recruiting - P

## Description

### 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.

## Apply

[Apply at Gramian Consulting Group](https://apply.workable.com/gramian/j/AA3E0ED87D/apply)