Senior Software Engineer (C#/.NET)

Location: Warsaw, Poland; hybrid workplace model

Company

hirify.global, an independent subsidiary of Deutsche Börse Group, develops integrated investment management solutions for financial institutions and investment managers.

What you will do

• Design, implement, and maintain enterprise features across front-end and back-end SOA components.
• Lead technical delivery while ensuring quality, scalability, performance, and adherence to engineering best practices.
• Design and maintain E2E, API, and integration automation, perform exploratory testing, and define feature-level test strategies.
• Collaborate with Product Owners, Technical Leads, and Scrum teammates during analysis, refinement, development, reviews, and demos.
• Contribute to architecture and technical decisions, CI/CD and development-tool improvements, and continuous process improvement.
• Mentor less experienced engineers through pair programming, code reviews, and knowledge sharing.

Requirements

• Bachelor’s or master’s degree in computer science, engineering, mathematics, or a related field.
• 5+ years of professional experience with C# (.NET or .NET Framework) and Angular, including enterprise application development.
• Expertise in automation frameworks and CI/CD, including Git, TeamCity, Azure DevOps, and Azure pipeline management.
• Solid understanding of manual testing techniques, QA best practices, cloud and on-premises infrastructures, and relational databases using SQL.
• Understanding of software architecture and design patterns, with experience in Domain-Driven Design.
• Familiarity with XP practices, including TDD, pair programming, and continuous integration.
• Readiness to learn APL, develop new features, and debug existing functionality.
• Ability to mentor, guide, and inspire other developers.
• Proficient written and spoken English at Upper-Intermediate level or higher.

Nice to have

• Experience with Azure or similar cloud platforms.
• Background in FinTech or capital markets.
• Knowledge of financial domains, including derivatives such as options, futures, and swaps.

Culture & Benefits

• Full-time employment contract with a pay package, bonus opportunity, and pension benefits.
• Flexible working hours and a hybrid workplace model.
• Three-week IP sprints each quarter for skills development and company-growth initiatives.
• Individual professional-development support and a collaborative, people-centered environment.

Hiring process

• Submit an application in English through the career site; only applications sent through the company system will be processed.
• Applications are processed continually, and personal data such as photo, age, or non-professional information should be excluded.