We are looking for a Senior Full Stack Engineer (.NET / Angular) (m/f/x) for our client, an international EU organisation in Warsaw working in the defence and security sector.

What you bring

  • At least one solution taken end to end, from analysis to release and operation

  • Deep experience building enterprise systems across data, business logic and UI layers

  • Comfort with UML as a design tool

  • Scrum experience and the ability to lead a technical team

  • Clear, practical technical writing

  • A methodical, problem-solving mindset

Technical profile

  • Bachelor’s degree or equivalent (EQF 6), any field

  • 6+ years in IT, of which at least 3 in a senior full stack / lead role

  • EU citizenship

  • English B2 or above, backed by a certificate

  • Readiness to go through Confidential-level security clearance, with the process starting within 45 days of joining

  • Experience designing and delivering microservices and/or micro frontends

  • Strong grasp of design patterns, both OO and functional

  • Frontend: Angular, TypeScript, RxJS, NgRx, CSS/SCSS

  • Backend: .NET / C#, plus Node.js with NestJS (or a similar JS framework) for BFF layers

  • Data: MS SQL Server and at least one NoSQL store

  • GraphQL knowledge

  • Unit and automated testing as a normal part of your workflow

  • CI/CD (e.g. Azure DevOps) and containerised environments (e.g. OpenShift)

Certification

One advanced certification in your technology area, or an internationally recognised equivalent. The client decides whether it is accepted.

Your role day to day

  • Design and build the system, and turn requirements into workable technical designs

  • Propose solutions to business and technical problems, and prototype them

  • Lead developers, define engineering standards and estimate effort and timelines

  • Keep performance, security and code quality under control, and track relevant metrics

  • Handle configuration and release management, and support deployments

  • Take part in requirements analysis, testing, QA and change management, and build testing tools where needed

  • Write and maintain technical documentation

  • Act as 2nd/3rd line support

What we offer

  • Longterm B2B contract

  • Mostly remote, with up to 12 days per quarter at the Warsaw office

  • 140 PLN/h net + VAT

  • Medical care and sports card co-financing

  • Training budget

  • Work alongside experienced international engineers