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  • Senior/Lead .NET Developer
    Net

    Senior/Lead .NET Developer

    4 434 - 6 047 USDNet/month - B2B
    3 275 - 4 787 USDGross/month - Permanent
    Type of work
    Full-time
    Experience
    Senior
    Employment Type
    Permanent, B2B
    Operating mode
    Remote
    Sopra Steria

    Sopra Steria

    Sopra Steria is one of the largest players in the tech industry in Europe, known for its consulting, digital services and software development. We operate in nearly 30 countries in the world, hiring around 55,000 employees. Polish branch, as the Global Delivery Center, operates in Katowice since 2007 and has been growing ever since. In 2025 we've opened our second office in Gdańsk. Currently, our team consists of almost 1,000 specialists who share their expertise working in one of our two departments: Digital Platform Services or Application Services.

    Company profile

    Tech stack

      ASP.NET

      advanced

      jQuery

      regular

      .Net

      regular

      JavaScript

      regular

    Job description

    Online interview

    We are looking for .NET developers to join Sopra Steria Apps Services team for a client in the aerospace sector. 

    You will work in an industrial, stable environment in multinational team (France, Poland, Canada, India) for a major aeronautical manufacturer.

    The program involves wide portfolio of applications developed by multiple teams.

    Our scope is to develop applications that for example support pilots and crew, the airline in planning the flights, airports operations in technologies such as : .NET, C#, JavaScript, C++

    All applications are deployed to AWS Cloud. The mission of the project is to develop a tool that will manage flight planning and flight tracking, aircraft configuration.


    Responsibilities/current tasks

    ·       Implement solutions and deliver high quality software

    ·       Help to define requirements, create software designs and translate them into code

    ·       Create and test software to enhance the solution and all related modules and services

    ·       Shape and apply our software standards of clean code and performance optimization techniques

    ·       Mentoring and support for other team members

    ·       Problem-solving and challenge-driven discussion regarding solutions

    ·       Cooperation with the client

    ·       Code review

    ·       Unit testing, integration testing

    ·       Ability to work independently

    ·       Communication with other teams regarding solutions


    Tech stack on the project

    ·       Backend: C++, Frontend: ASP.Net Webforms 4.8, C#, WinForms, Javascript, jQuery

    ·       Databases: MySQL, MariaDB Monitor

    ·       Frameworks: .NET Framework 4.8 (ASP.NET 4.x)

    ·       Knowledge repositories: Confluence

    ·       CI/CD: GitLab

    ·       Version control systems: GIT

    ·       IIS (Internet Information Services)

    ·       Cloud: AWS: Cloudformation, RDS, ECS, ECR, Lambda function, Cloud Watch, EC2 (ELB) 

    ·       Artifactory

    ·       Docker

    ·       Linux

    ·       Nunit

    ·       SOAP (WSDL/XSD)

     

    Work methods and tools:

    ·       Methodology: SAFe

    ·       Issue tracking tools: Agility

    ·       Testing: unit tests (90% of test coverage required) + Nunit

    ·       Code review: GitLab

    ·       Pair programming: yes

     

    Must have requirements

    ·       Min. 3 years of full-time experience in software development with .NET 4.8

    ·       Strong experience in ASP.NET Webforms, Winforms

    ·       Experience with SOAP, IIS, JavaScript, jQuery

    ·       Previous experience of working with GitLab, GIT

    ·       At least Bachelor’s Degree in relevant field

    ·       Strong “can-do” attitude and very good communication skills

    ·       Experience working in an Agile/Scrum development process

    ·       Desire and ability to quickly learn new technologies and programming languages

    ·       Strong ability to gather and define business requirements

    ·       Team player

    ·       Experience with frontend

    ·       Customer-focused attitude

    ·       Fluent English B2/C1

    ·       Being open to occasional business trips abroad and visits in our office in Katowice

     

    Nice to have requirements

    ·       Experience working in a distributed and international team

    ·       Experience with SQL databases

    ·       Experience in Application Lifecycle Management tools (e.g.: Agility)

    ·       Leadership experience

    ·       Previous experience with AWS

    ·       Experience with Docker, Linux

    ·       Familiarity with Wix tool set

    ·       Knowledge of Security design for Web application

    ·       Knowledge in the area of DevOps

    ·       Familiarity with scripting (Perl)

     

    What we offer:

    BENEFITS (UoP): Luxmed, Medicover Sport, Worksmile, educational platforms, language courses, referral bonus, copyrights, life insurance

    DEVELOPMENT OPPORTUNITIES (UoP and B2B): certifications (paid by the company), conferences, Tech Lunches

     The recruitment process for this position consist of two stages:

    • a short phone call with a recruiter (30 min max)
    • 1h long interview on Teams (with both general and technical questions) 


    If you find this offer interesting and you would like to learn more about the project, send us your up-dated CV in English containing the clause:

    „I agree to the processing by Sopra Steria Polska Sp. z o.o. my personal data contained in my CV for the recruitment process and further recruitment processes.”

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    4 434 - 6 047 USD

    Net/month - B2B

    3 275 - 4 787 USD

    Gross/month - Permanent

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