Senior .NET Developer with React

6 days ago


Bucharest, Bucureşti, Romania Cegeka Full time 30,000 - 60,000 per year

Our client is a leading global provider of innovative industrial solutions, committed to pioneering technologies that shape the future. With a strong presence in the market, our client is dedicated to driving transformative change through its diverse portfolio of products and services. We already successfully implemented a first team for Power Platform and .NET/Sharepoint, focusing in maintenance, support, bug-solving, change request and service requests. Overseeing approximately 80 applications and flows on the Power Platform and 10 .NET applications, we ensure seamless functionality and eficiency. Current project: This project aims to enhance our existing system by upgrading it to the latest version of .NET Core. The scope of the project includes addressing security vulnerabilities, performing a lift-and-shift to a more modern infrastructure, and adding new features to improve functionality and user experience.

What you will do:

  • Design, develop, and maintain applications using
    React JS
    for the front-end and
    .NET Core
    for the back-end (console apps, Azure Function Apps, Web APIs).
  • Implement
    CQRS patterns
    and work with
    MassTransit
    for handling distributed messages.
  • Integrate and manage
    messaging brokers
    such as
    RabbitMQ
    and
    Azure Service Bus
    .
  • Build and consume
    REST APIs
    , ensuring scalability, performance, and maintainability.
  • Apply
    SOLID principles
    and best coding practices to deliver clean, efficient, and testable code.
  • Develop, configure, and optimize
    Azure DevOps pipelines
    for CI/CD automation.
  • Use
    containerization tools
    such as
    Docker
    and
    Podman
    for building and deploying services.
  • Collaborate with team members to define technical requirements, propose solutions, and deliver features in an agile environment.
  • Proactively troubleshoot, debug, and optimize applications to improve user experience and system reliability.

What you need to succeed:

  • Solid experience with
    React JS
    and
    .NET Core
    (console apps, APIs,
    Azure functions
    ).
  • Good understanding of
    CQRS concepts
    and familiarity with
    MassTransit
    .
  • Hands-on experience with
    messaging brokers
    (RabbitMQ, Azure Service Bus).
  • Knowledge of
    REST API design
    and best practices.
  • Strong grasp of
    SOLID principles
    and clean coding practices.
  • Experience with
    Azure services
    and
    DevOps pipelines
    .
  • Familiarity with
    containerization
    (Docker / Podman).
  • Nice to have:
    Exposure to mobile app development (Capacitor + Angular, React Native, etc.), and broader Azure services (containers, VNets, etc.).

Soft skills that matter:

  • Willingness to ask questions and seek clarity when needed.
  • Strong desire to learn and continuously improve.
  • Team player with great communication and collaboration skills.
  • A problem-solving mindset with attention to detail.

We can accommodate both CIM and B2B.

What we offer on an employment contract:

  • 22 working days as Annual Vacation.
  • 3 sick days per year, which are not carried over to the next year and that don't require a medical certificate.
  • Floating days (free days for every public holiday that falls during the weekend (not applicable to public holidays that always fall during the weekend, such as Easter)
  • A seniority day is added every 3 years in the company
  • Medical Insurance at Signal Iduna.
  • Performance-based annual bonus prorated according to the number of worked months in a year.
  • Access to an online benefit platform, with a 690 RON monthly allowance from which you can choose to invest in different wellbeing, financial or retail packages.
  • Financial support for the birth of your child or unhappy events.
  • Learning and development opportunities – budget allocated for certifications and/or trainings.


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