Senior Software Engineer - FinTech, Cloud & Automation

SimCorp; Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Flexible working hours

Hybrid model

Modern office near Wilanowska metro

Base salary with annual bonus

Medicover healthcare

Multisport/Cafeteria card

Varied international projects

Job summary

SimCorp in Warsaw is seeking an experienced software engineer to design, implement, and maintain features within enterprise .NET/C# applications. You will own feature delivery, ensuring high quality and performance, while driving automation and end-to-end testing.

Collaborate with cross-functional teams, contribute to architecture discussions, and mentor junior engineers in a dynamic FinTech environment. The role requires 5+ years of experience, strong cloud and CI/CD knowledge, and solid

Qualifications

• Bachelor's or master's degree in computer science, Engineering, Mathematics, or related field.
• 5+ years of professional experience with C# (.NET or .NET Framework).
• Extensive experience in designing and developing enterprise applications in .NET / C#.
• Demonstrated expertise in automation frameworks and CI/CD.
• Solid understanding of manual testing techniques and QA best practices.

Responsibilities

• Design, implement, and maintain new features.
• Take technical ownership of feature delivery, ensuring high quality, scalability, and performance.
• Drive automation-first approach: design, implement, and maintain E2E, API, Integration tests.
• Perform manual exploratory testing for complex scenarios.
• Define test strategies at feature /module level.
• Collaborate closely with Product Owners, Technical Leads, and teammates during analysis, refinement, and development.
• Contribute to architectural discussions and participate in technical decision-making.
• Mentor and support less experienced engineers through pair programming, code reviews, and knowledge sharing.
• Drive improvements in automation, CI/CD pipelines, and development tools.
• Ensure adherence to engineering best practices (XP, TDD, clean code).
• Engage in Sprint Reviews/Demos and continuous process improvements.

Skills

C#

.NET

Enterprise applications

SQL

Azure

CI/CD

English communication

Education

Bachelor's or master's degree in computer science, Engineering, Mathematics, or related field

Tools

Azure DevOps

Git

TeamCity

Job description

SimCorp in Warsaw is seeking an experienced software engineer to design, implement, and maintain features within enterprise .NET/C# applications. You will own feature delivery, ensuring high quality and performance, while driving automation and end-to-end testing.

Collaborate with cross-functional teams, contribute to architecture discussions, and mentor junior engineers in a dynamic FinTech environment. The role requires 5+ years of experience, strong cloud and CI/CD knowledge, and solid