Senior Full-Stack .NET Developer

Technologies we use

Expected

• .NET
• C#
• React.js
• TypeScript
• Entity Framework
• SQL
• Azure DevOps
• Docker
• Kubernetes

Optional

• PowerShell

Operating system

• Windows
• Linux

About the project

We are currently looking for a Senior Full-Stack .NET Developer to join the team of our client, a European Union institution based in Warsaw. You will design, develop and support enterprise web applications built on .NET and React, from translating business requirements into technical solutions through to deployment, release management and 3rd-line production support. For this role, Optiveum is the recruitment partner, and the cooperation agreement will be signed directly with our contracting partner.

Key Details:

Rate: up to 32 EUR/h net (B2B)

Work Model: on-site/near-site in Warsaw, full-time (40 h/week)

Location: Warsaw

Important: EU citizenship is required for this role

This is how we organize our work

This is how we work

• you focus on a single project at a time
• you have influence on the technological solutions applied
• you focus on product development
• agile
• scrum

Team members

• backend developer
• frontend developer
• technical leader
• devOps
• product owner
• project manager
• scrum master

Your responsibilities

• Designing, developing and maintaining enterprise web applications
• Building and supporting solutions in .NET (C#, ASP.NET Core) and React (TypeScript)
• Translating business requirements into technical solutions
• Taking part in testing, deployment, release management and production support
• Optimising application performance, security and quality
• Producing technical documentation and providing 3rd-line support

Our requirements

• EU citizenship
• 6+ years of IT experience, including 3+ years in a similar development role
• Strong experience with .NET 8 / .NET Core, C# and ASP.NET Core
• React and TypeScript on the front end
• Entity Framework and SQL Server
• Azure DevOps pipelines
• Experience with OpenShift / containers
• Knowledge of SAML 2.0 / Entra ID authentication
• Agile/Scrum experience
• An advanced software development certification
• English at least B2 and fluent Polish

Optional

• Hands-on experience with several PAM capabilities, such as Privilege Cloud, WPM, EPM and Vendor PAM
• Experience with PAM integrations, APIs and automation
• Experience in a GxP-regulated environment, ideally in pharmaceuticals or life sciences, including change control, validation and qualification, and audit trails and compliance documentation
• Experience with ServiceNow, SIEM integrations, PowerShell, Linux and SSH
• Relevant CyberArk or Idira certifications

This is how we work on a project

• code review
• Continuous Integration
• DevOps
• testing environments
• unit tests

Interested? Apply now and help a leading Nordic bank stay ahead of security risks!

OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

Optiveum is acting as a sourcing partner for this role. You will be signing a cooperation agreement directly with our partner—a renowned IT contracting company with nearly 20 years of presence on the market.

The end client operates in the international public, defense, or government administration sector, leading large-scale, multi-million euro digital transformation projects.

This is how we work