Technical lead - .Net, Azure, C#
Poland
Job Description
Technical lead - .Net, Azure, C#
Augustów, Podlaskie

Job Summary

Job Description – Senior .NET Backend Developer

Role Overview

We are looking for a Senior .NET Backend Developer to strengthen the BI Basis Microsoft team working on the Achmea Data Platform. In this role, you will be responsible for designing, developing, and maintaining backend solutions while collaborating closely with platform architects and guiding medior developers.

You will play a key role in delivering secure, scalable, and maintainable software in a complex enterprise environment.


Key Responsibilities

  • Design, develop, and maintain backend applications using C# and .NET
  • Collaborate with the platform architect to translate architectural designs into high‑quality software solutions
  • Provide technical leadership and mentoring to medior .NET engineers
  • Ensure solutions are secure, maintainable, bug‑free, and extensible
  • Build and enhance internal tooling that supports automated platform provisioning on Azure
  • Contribute to continuous improvement of development standards, code quality, and best practices
  • Work closely with infrastructure and functional teams to align technical solutions with platform and business requirements

Technical Environment

  • Backend technologies: C#, .NET, SQL Server
  • APIs & integration: REST APIs, Swagger / OpenAPI
  • Identity & security: Microsoft Entra ID
  • Cloud & automation: Azure, Infrastructure‑as‑Code, PowerShell, Azure DevOps pipelines

Team & Context

You will be part of the BI Basis Microsoft team that delivers the Achmea Data Platform for data scientists, data analysts, and data consultants. The team consists of:

  • Infrastructure engineers delivering Azure components using Infrastructure‑as‑Code
  • .NET engineers building and maintaining the internal platform tool “Governor”, which manages configuration and orchestrates Azure deployments
  • Functional colleagues who support platform users and translate business needs into new platform requirements

The Senior .NET Backend Developer plays a central role in the development and evolution of the Governor platform and in maintaining close alignment between architecture, implementation, and operational needs.


Required Skills & Experience

  • Strong senior‑level experience with C#/.NET
  • Solid knowledge of SQL Server
  • Proven experience designing and building REST APIs
  • Experience with Swagger / OpenAPI
  • Knowledge of Microsoft Entra ID
  • Experience working in complex, enterprise‑scale environments
  • Strong communication skills and ability to mentor developers

 

Key Responsibilities

1. Lead a team of developers in the design, development, and implementation of software solutions using .net, azure, and c#.
2. Provide technical guidance and mentorship to team members, ensuring adherence to best practices and coding standards.
3. Collaborate with project managers and stakeholders to define project requirements, scope, and timelines.
4. Contribute to the architecture and design of software applications, ensuring scalability, performance, and security.
5. Participate in code reviews, identify areas for improvement, and implement solutions to enhance application performance.
6. Stay updated on emerging technologies in the microsoft ecosystem and recommend innovative solutions to enhance product offerings.
7. Troubleshoot technical issues, conduct root cause analysis, and implement corrective actions to ensure seamless project delivery.

Skill Requirements

Job Description – Senior .NET Backend Developer

Role Overview

We are looking for a Senior .NET Backend Developer to strengthen the BI Basis Microsoft team working on the Achmea Data Platform. In this role, you will be responsible for designing, developing, and maintaining backend solutions while collaborating closely with platform architects and guiding medior developers.

You will play a key role in delivering secure, scalable, and maintainable software in a complex enterprise environment.


Key Responsibilities

  • Design, develop, and maintain backend applications using C# and .NET
  • Collaborate with the platform architect to translate architectural designs into high‑quality software solutions
  • Provide technical leadership and mentoring to medior .NET engineers
  • Ensure solutions are secure, maintainable, bug‑free, and extensible
  • Build and enhance internal tooling that supports automated platform provisioning on Azure
  • Contribute to continuous improvement of development standards, code quality, and best practices
  • Work closely with infrastructure and functional teams to align technical solutions with platform and business requirements

Technical Environment

  • Backend technologies: C#, .NET, SQL Server
  • APIs & integration: REST APIs, Swagger / OpenAPI
  • Identity & security: Microsoft Entra ID
  • Cloud & automation: Azure, Infrastructure‑as‑Code, PowerShell, Azure DevOps pipelines

Team & Context

You will be part of the BI Basis Microsoft team that delivers the Achmea Data Platform for data scientists, data analysts, and data consultants. The team consists of:

  • Infrastructure engineers delivering Azure components using Infrastructure‑as‑Code
  • .NET engineers building and maintaining the internal platform tool “Governor”, which manages configuration and orchestrates Azure deployments
  • Functional colleagues who support platform users and translate business needs into new platform requirements

The Senior .NET Backend Developer plays a central role in the development and evolution of the Governor platform and in maintaining close alignment between architecture, implementation, and operational needs.


Required Skills & Experience

  • Strong senior‑level experience with C#/.NET
  • Solid knowledge of SQL Server
  • Proven experience designing and building REST APIs
  • Experience with Swagger / OpenAPI
  • Knowledge of Microsoft Entra ID
  • Experience working in complex, enterprise‑scale environments
  • Strong communication skills and ability to mentor developers

 

Other Requirements

1.Microsoft Certified Solutions Developer (MCSD) certification is preferred but not mandatory.
Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 226,300 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2025 totaled $14.5 billion.

23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.