Senior Software Engineer (.NET)

Location: Warsaw, Poland; hybrid model with 2 days in the office and 3 days remote. Occasional remote work is available across Poland and internationally for up to 24 domestic and 20 international days per year, subject to internal policy.

Company

Provides integrated investment-management solutions and develops the SimCorp Dimension platform as an independent subsidiary of hirify.global Group.

What you will do

• Collaborate with product and engineering colleagues to understand customer needs, challenge assumptions, shape solutions, and deliver tested, supportable software.
• Design, build, and maintain backend components and APIs for SimCorp Dimension using C#/.NET and related technologies.
• Improve system performance, maintainability, reliability, and build efficiency through pragmatic engineering and continuous improvement.
• Use AI-assisted development tools responsibly for exploration, implementation, testing, documentation, and code review.
• Contribute to automated testing, version control, continuous integration, and continuous delivery practices.
• Shape technical decisions and share knowledge through code reviews, pairing, mentoring, and collaboration.

Requirements

• Experience developing production software with C# and/or APL, or comparable experience demonstrating strong backend engineering capability.
• Interest in contributing to technical design and making practical decisions about scalable, high-performing applications, services, or APIs.
• Familiarity with automated testing, version control, continuous integration, and continuous delivery.
• Openness to using AI-assisted development tools thoughtfully while maintaining sound judgment around quality, security, and maintainability.
• Curiosity and willingness to learn additional technologies, including Dyalog APL, and deepen understanding of investment-management software.
• Collaborative approach to problem-solving, knowledge sharing, and growing into technical leadership.

Nice to have

• Experience with Angular, Node.js, JavaScript/TypeScript, HTML, CSS, Oracle databases, or financial systems.
• Existing experience guiding others or contributing to technical leadership.

Culture & Benefits

• Flexible working hours and a hybrid work model.
• Modern office with quiet zones and ergonomic workstations.
• Base salary with an annual bonus structure.
• Employer-paid Medicover Platinum healthcare package, travel insurance for private trips, and global business travel insurance.
• MyBenefit cafeteria with a monthly budget, group life insurance, share-plan eligibility after one year, and a copyrights program for certain roles.
• Professional training and courses; Polish language classes for foreign employees and German and English classes based on business needs.

Hiring process

• Apply in English through the career site; applications are processed continually.
• Applications should exclude personal data such as photos, age, and other non-professional information.
• The approximate CV review time is three weeks, and feedback is requested during the process.