Introduction
37 hours per wee- kStart date: 03-08-202
- 6End date: 06-07-202
- 7Hybrid workin
- gPrevious work experience in Telecommunication is a pr
- eRelocation is not possible
.
About KPN & the QCarbon / Kult Te
am
Within KPN we are building and operating world‑class networks (No.1 globally in 5G) and continuously digitalising our processes. A key part of this is developing secure, reliable and scalable internal platforms that support critical business operatio
ns.The QCarbon / Kult team develops and maintains a suite of security applications that support Business Continuity Management and Penetration Test Management. These applications are business‑critical and used across the organisati
on.
We are a DevOps product team consisting
of:4 experienced, knowledge‑driven engin
eers1 product o
wner1 scrum ma
sterThe team is international, based in Rotterdam (The Netherlands), and works in a hybrid setup. We collaborate closely with stakeholders from Security, Infrastructure, AWS and the business. Stakeholders actively join refinement sessions and sprint moments and visit the team weekly at the off
ice.
Currently, we are rebuilding the backend from Django / Django REST Framework / Redis to FastAPI and SQLAlchemy, running in Docker on AWS. This modernisation is expected to be finalised in summer ’26 and will enable new functional and technical feat
ures.
The frontend plays a key role in effectively consuming these APIs and ensuring a consistent, secure and high‑quality user exper
ience.
Position o
verview
QCarbon is crucial to making Business Continuity Management a success wit
hin KPN.
As a frontend developer, you contribute to a security-critical platform where correctness, consistency and maintainability are e
ssential.
You will work on complex security applications where correctness, consistency and clarity are essential. This role requires not only a strong technical foundation, but also an understanding of the functional and business context in which the applicatio
n is used.
You work closely with your teammates and stakeholders, contributing directly to design decisions, implementation and continuous improvement of th
e platform.
Key resp
onsibilities
- Investigate, implement and test best‑in‑class and innovative frontend solutions to improve the platfo
rm as a whole- Maintain the existing application and actively propose functional and technical
improvements- Deliver high‑quality, well‑structured and maintainable frontend code with a keen e
ye for detail- Solve complex problems while ensuring consistency, reliability an
d scalability- Actively participate in Agile / Scrum ceremonies as
a team player- Take end‑to‑end ownership of features: you build it, you run i
t, you own i
t
Requirements
Successful candidates typical
ly demonstrate:
- A strong analytical mindset, able to interpret data flows and performance and translate them into actiona
ble improvements- Excellent written and verbal communication skills (including technical writing), with the ability to operate confid
ently in English- A proactive, self‑starting attitude combined with strong coll
aboration skills- Intrinsic motivation to learn new technologies and share knowledge
with colleagues- A strong sense of ownership, prioritising outc
omes over output- The ability to align and collaborate within the team rather than work
ing in isolation- A solution‑oriented mindset, with continuous improvement as
a natural habit- A keen eye for quality and detail within a complex, security‑
sensitive domain- Experience working in Scrum / Agi
le product teams- A clear “you build it, you run it, you o
wn it” menta
lity
Technologies
Core skill
s (day‑1 credible)
Angular Framework (latest versions): production-grade experience with component architecture, services, dependency injection, routing and lifecycle management, including architectural decisions in feature/module design and real-world app
lication structure.TypeScript: advanced types, decorators, interfaces, generics, and modern ES6+ features for robust fr
ontend applicationsNgRx State Management: Store, Effects, Selectors and Entity patterns for managing complex application state and data flow, including state modeling, store design decisions and separation of concerns in produ
ction applications.Component Design: Reusable component libraries, design systems, and maintainable UI ar
chitecture patternsFrontend Fundamentals: Advanced HTML markup and modern CSS (Grid, F
lexbox, animations)UI Components: Angular Material or Material UI for consistent design system implementation and accessi
ble user interfacesVersion Control: Advanced Git workflows, branching strategies, code review processes, and collaborative dev
elopment practices.
Strong plus (expected t
o grow into quickly)
CI/CD Pipelines: Understanding of automated testing, build optimization, deployment strategies, and continuous
integration workflowsContainerization: Practical experience with Docker for development environments and/or Kubernetes for scalable dep
loyment orchestrationUnit Testing: Jasmine/Karma testing suite for component testing, service testing, and test-driven
development practicesAPI Standards: JSON:API specification for standardized API communication and data n
ormalization patternsAPI Documentation: OpenAPI/Swagger integration for API-driven development and automated doc
umentation generationFramework Versatility: experience building production features in Vue or React (not experimental o
r tutorial-based use)Performance Optimization: Bundle optimization, lazy loading, code splitting, and runti
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