.NET + React Developer

Unleash innovation at the forefront of data and analytics — shape the future of DevOps practices with your expertise!

Krakow-based opportunity with hybrid work model (up to 3 remote days per week).

As a Senior .NET and React Developer – Data & Analytics Platform, you will be working for our client, a leading financial institution committed to transforming how engineering teams leverage data to drive strategic decisions. Your work will empower global teams to optimize DevOps processes, deliver impactful insights, and foster continuous improvement through cutting-edge digital solutions.

Your main responsibilities:

• Participating in software architecture design to ensure scalable and maintainable solutions.

• Leading UI enhancements and improvements to boost user experience and application stability.

• Implementing solutions following best Design Patterns and industry standards.

• Analyzing requirements for comprehensive understanding and recommending impactful improvements.

• Creating detailed documentation for developed solutions to ensure clarity and knowledge sharing.

• Developing prototypes to validate concepts and support efficient design iterations.

• Managing changes through the Service Management lifecycle and actively automating processes to increase efficiency.

• Providing exceptional customer support by promptly addressing and resolving technical issues.

• Collaborating effectively with stakeholders to understand needs and deliver tailored technical solutions.

You're ideal for this role if you have:

• At least 7 years of professional experience in production applications development within .NET ecosystems, including front-end development with React.

• Strong proficiency in C# and Web API development, with solid understanding of secure and scalable backend services.

• Hands-on experience with React, focused on building dynamic, high-performance web applications.

• Expertise in SQL Server, including advanced T-SQL scripting, query optimization, and performance tuning.

• Practical experience with DevOps practices, including CI/CD pipelines.

• Understanding of SDLC processes such as requirements gathering, development, testing, and deployment.

• Knowledge of modern web technologies like HTML5 and CSS for creating responsive, user-friendly interfaces.

• Exceptional problem-solving skills with great attention to detail, ensuring high-quality deliverables.

It is a strong plus if you have:

• Certifications or experience in cloud platforms (Azure, AWS)

• Experience with containerization and orchestration tools (Docker, Kubernetes)

Language Required for the role:

• Fluent in English, with excellent communication skills.

Eligibility for the role:

• Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

We offer you 

At ITDS, you will work on innovative and impactful technology projects for international companies across multiple industries in Europe and beyond. We create an environment for ambitious, driven professionals who want to grow, deliver value, and build their careers in modern IT and digital transformation. 

Our offer includes: 

• Stable and long-term cooperation with attractive conditions 

• Opportunities to develop your technical expertise across various industries and technologies 

• The chance to work on high-impact, strategic IT and digital transformation projects 

• A clear career path and the opportunity to grow quickly by contributing to diverse client initiatives over time 

• International environment, knowledge sharing, social events, and training opportunities 

• Access to an attractive medical package 

• Access to the Multisport program 

• Access to learning platforms such as Pluralsight 

• Flexible working hours and remote work options 

Internal Number #8569