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Senior .NET Full Stack Developer – React & DevOps Expertise
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Offer summary

(Summary generated by AI based on the full job description)

The project focuses on building applications in the .NET ecosystem with emphasis on frontend and DevOps practices. Key technologies are .NET (C#), Web API, React and SQL Server. Main responsibilities include designing scalable solutions, UI development and performance tuning, CI/CD automation and change management across the service lifecycle, creating architectural prototypes and providing customer support while driving process improvements.

newyou can start ASAP

Senior .NET Full Stack Developer – React & DevOps Expertise

Company: ITDS Polska Sp. z o.o.

from: 30 September 2026
to: 30 October 2026
30 240 - 36 330 złnet (+ VAT)/ mth.B2B contract (full-time)
21 700 - 26 100 złgross/ mth.contract of employment
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

C#
.NET
T-SQL
React.js

Optional technologies

AWS

Our requirements

  • Minimum of 7 years of professional experience in development within the .NET ecosystem, including frontend development (preferably React) and DevOps activities
  • Proficiency in C# and Web API development, with a solid understanding of building scalable and secure backend services
  • Strong hands-on React skills, focusing on creating dynamic and high-performance web applications
  • Expertise in database design and SQL, particularly with SQL Server, including advanced T-SQL scripting, query optimization, and performance tuning
  • Experience with the entire Software Development Life Cycle (SDLC), from requirements gathering to deployment and maintenance
  • Exceptional problem-solving skills and keen attention to detail
  • Communicative English
  • Only candidates with an existing legal right to work in the European Union will be considered for this role

Optional

  • Additional certifications related to DevOps or software architecture
  • Experience with containerization or cloud platforms such as Azure or AWS

Your responsibilities

  • Implement solutions following best design patterns to ensure scalability and maintainability
  • Analyze requirements thoroughly and recommend improvements to enhance product quality
  • Lead UI enhancements to boost user experience and application stability
  • Drive DevOps automation efforts, improving CI/CD lifecycle efficiency
  • Manage changes through the service management lifecycle, ensuring smooth deployment processes
  • Participate in architecture design and develop prototypes to validate concepts and designs
  • Provide exceptional customer support by addressing issues promptly and communicating solutions clearly
  • Contribute to continuous improvement initiatives across development and operational workflows

About the project

As a Senior .NET Full Stack Developer, you will be working for our client, a leading player in the technology industry dedicated to delivering impactful digital solutions. You will contribute to building and maintaining robust applications within the .NET ecosystem, with a focus on frontend development using React and advancing DevOps practices. This role offers an exciting path to innovate, grow your expertise, and influence industry standards.

This is how we organize our work

This is how we work

you have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedyou have influence on the productyou develop the code "from scratch"you focus on product development

Team members

product ownerproject managerIT administrator

#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: https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf
Company

What we offer

  • ITDS Clubs
  • Access to medical insurance
  • Access to Multisport
  • Access to Pluralsight
  • Integrational Events
  • Ambassador Program

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

  • 1.
    online interview
  • 2.
    online interview

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 .NET Full Stack Developer – React & DevOps Expertise
21.7k–26.1k zł / mth. (CoE), 30.2k–36.3k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Kraków, Lesser Poland
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