Gramian Consulting Group

Senior Backend Engineer (.NET / Python / Azure)

Poland
Level
Senior
Work type
Remote · Poland only

Not stated in the posting: salary, visa.

Open. First seen 30 October 2026.

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About the role

Gramian Consulting Group's standard text

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.

What this role asks for

Standard for backend roles

Python

Common in backend postings at any company.

88% of this description is written for the role. The rest is Gramian Consulting Group's standard text, folded away below.

Compared with Gramian Consulting Group's other open jobs.

The team: Talent Solutions HIRES STEADILY

This role is one of 95 open in Talent Solutions. 81 were posted in the last 30 days and the oldest in August: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (25 of 95), C++ (15 of 95), JavaScript (11 of 95), Linux (9 of 95), Machine Learning (9 of 95), C (8 of 95), C# (8 of 95)

OTHER ROLES ON THIS TEAM

From the team and dates on Gramian Consulting Group's own job board.

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