Expected, .NET, https://jobeax.com/link/6WcBICn0LM558SP0, T-SQL, Microsoft SQL Server

Optional, Postman, Playwright

About the project, As a Senior Fullstack Developer, you will be working for our client, a forward-thinking technology firm dedicated to delivering innovative software solutions in the financial sector. You will contribute to building scalable, high-performance applications that drive digital transformation and create impactful user experiences. This role offers excellent opportunities for growth and influence in a rapidly evolving industry., , Unleash innovation at the intersection of cutting-edge technology and modern development—shape the future of digital finance with your expertise!, , Warszawa or Gdansk – hybrid work model (up to 4 days remote per week)., , Only candidates with an existing legal right to work in the European Union will be considered.

This is how we work, at the client's site, agile, scrum

Your responsibilities, Develop and maintain software applications in C# (.NET Framework, Standard, Core) aligned with documented requirements, Implement frontend solutions using React (version 18 and above), Analyze and improve existing codebases, including legacy systems, ensuring optimal performance and scalability, Design and develop architectural solutions to support business needs, Collaborate closely with cross-functional teams (testers, analysts, Product Owners) within an Agile SCRUM environment

Minimum 5 years of experience in application development using .NET technologies, At least 3 years of hands-on React development experience, Strong debugging, profiling, and performance analysis skills, Knowledge of DDD, Clean Code, SOLID principles, Familiarity with architectural patterns and asynchronous communication, Proficiency in TSQL and SQL Server Management Studio, Experience using Visual Studio for development, Proficiency in Polish and good command of English (B2)

Optional, Experience building mobile application views, Background developing financial sector applications, Knowledge of test automation tools like Postman or PlayWright, Familiarity with WCAG standards

What we offer, Stable and long-term cooperation with very good conditions, Enhance your skills and develop your expertise in the financial industry, Work on the most strategic projects available in the market, Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years, Participate in Social Events, training, and work in an international environment, Access to attractive Medical Package, Access to Multisport Program, Access to Pluralsight, Flexible hours

Benefits, sharing the costs of sports activities, private medical care, flexible working time, fruits, integration events, corporate gym, saving & investment scheme, no dress code, coffee / tea, drinks, christmas gifts, birthday celebration, sharing the costs of a streaming platform subscription, access to +100 projects, access to Pluralsight

Recruitment stages, online interview, online interview

#GETREADY to meet with us!, ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people., , We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure, You can report violations in accordance with ITDS’s Whistleblower Procedure available here:

ITDS Polska Sp. z o.o., ITDS supports financial service providers to take the next steps., , We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization., , We see where banks, insurers, payment companies, or fintech can go and how they can get there., , That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality., , ITDS in Poland - Pure player in new Technologies & Financial Industry, +300 IT implementation professionals, +20 clients in the Banking, Insurance, Payment & Fintech Industry, , ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work,

Senior Fullstack Developer - C# .NET and React Expert

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