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Jacobs .NET Developer (Mobile and Web) in Krakow, Poland

Your Impact:

Would you like to create an application that allows American foresters to find a specific tree in the forest, measure it, photograph it, and send data from the middle of nowhere to the cloud? Or maybe you'd like to write code for an application that monitors (in real-time) the routes of ships transporting toxic waste?

You can do this and much more with us :).

You will be a member of world-class engineering experts to build and run a huge range of products that codify engineering knowledge and really make a difference to the world.

The team is responsible for incubating, building, and running new products and solutions for our customers – meaning you are joining a team of fast-moving problem solvers working on varied and interesting challenges. Our products range from established software to nascent ideas sparking into life.


  • A passion for writing quality code and creating awesome user experiences, understand emerging web and mobile development, models

  • Ambitious, passionate, eager, and willing to learn/grow, and the desire to learn the most cutting-edge technologies

  • Develop new and maintain existing enterprise software applications (Primarily Web & Mobile Applications)

  • Utilize Azure DevOps for managing the project, work items, source control, automated builds, and testing

  • Design, develop and implement unit and scenario testing for existing code base and for new functionality under development. Perform intensive testing of all new and existing programs to ensure they are free of errors and function as intended

  • Ability to understand requirements and identify additional requirements (not provided) necessary from an end user's perspective when using the application. It is extremely important to identify while adding features to review edge cases and ensure the goals of the application are consistent with user expectations

Here’s What You’ll Need:

Core skills:

  • Experience with .NET 4+ /5.0, C#, ASP.NET CORE, SQL Server, CSS, JavaScript,

  • Experience with Python will be an additional asset,

  • Successful track record of developing quality software products (web, mobile)

  • Knowledge of JavaScript SPA frameworks such as Vue/React/Angular

  • Experience Azure/AWS Cloud Tools and technologies, Automated Build/Deploy CI/CD

  • Fluent communication in English is a must (the team is spread on 3 continents)

Good to have but not critical:

  • Experience with GIS based mapping systems, coordinate systems, JavaScript mapping tools (Mapbox, ESRI, Leaflet)

  • Mobile Application Development (PWA, Flutter)

  • Professional experience with database design (SQL Server, Mongo Db), experience in handling MS SQL Server related activities including building complex SQL queries

  • ElasticSearch programming experience

  • Interaction / Communication with customers across the globe to identify identity and document business requirements


At Jacobs, we’re challenging today to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. With $13 billion in revenue and a talent force of more than 55,000, Jacobs provides a full spectrum of professional services including consulting, technical, scientific and project delivery for the government and private sector.