As a Mid-Level Fullstack .NET Developer – Angular & Payment Systems, you will be working for our client, a leading online banking organization dedicated to delivering secure and innovative digital financial services to a broad customer base. Join a dynamic team responsible for developing and maintaining mission-critical card processing platforms that handle authorization, settlement, and integrations with value-added services. Focused on high availability, high volume processing, your work will impact hundreds of thousands of daily transactions, where reliability, performance, security, and regulatory compliance are paramount.
Unleash the Power of High-Volume Payment Systems — Build the Future of Digital Finance!
Warsaw-based opportunity with hybrid work model (2 days in the office/month).
Only candidates with an existing legal right to work in the European Union will be considered for this role.
responsibilities :
Develop and maintain .NET applications within the payment card domain
Design and implement new features in line with business needs and compliance standards
Integrate applications with external systems using REST, SOAP, and messaging queues
Optimize system performance, scalability, and security in high-availability environments
Collaborate with business analysts, architects, and QA teams within Agile/Scrum frameworks
Participate in system and user acceptance testing (SIT, UAT), conduct code reviews, and produce technical documentation
requirements-expected :
3+ years of experience in software development using C# and .NET (Framework and/or Core)
Strong knowledge of ASP.NET Core, Angular, Web API, Entity Framework, LINQ, Dapper, and SQL Server (T-SQL), including query optimization
Solid understanding of software engineering best practices, including SOLID principles, design patterns, and unit testing with xUnit or NUnit
Hands-on experience with system integrations using REST, SOAP, JSON, and XML
Experience working in Agile environments with Jira, Git, CI/CD pipelines, and TeamCity
Polish: Communicative level
offered :
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
remote work opportunities
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
