Senior Software Engineer

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

WHAT MAKES US

Join some of the most innovative thinkers in FinTech as we lead the evolution of financial technology. If you are an innovative, curious, collaborative person who embraces challenges and wants to grow, learn and pursue outcomes with our prestigious financial clients, say Hello to SimCorp! At its foundation, SimCorp is guided by our values — caring, customer success-driven, collaborative, curious, and courageous. Our people-centered organization focuses on skills development, relationship building, and client success. We take pride in cultivating an environment where all team members can grow, feel heard, valued, and empowered. If you like what we’re saying, keep reading!

WHY THIS ROLE IS IMPORTANT TO US

At SimCorp, we build products that power investment management and financial institutions worldwide. We support some of the largest financial institutions in the world to be successful by simplifying their investments, accounting and operations. Investment Operations is a product area within SimCorp’s Product Division, which delivers functionality enabling the operations users to be highly efficient. It also offers full STP and automation capability for the workflows and processes seamlessly across the product areas and the financial institutions workflows. As part of our Investment Operations Product Area, you will contribute to the development of enterprise products within this product area. You will collaborate with colleagues from Ukraine, Poland, Denmark and Germany, while gaining deep expertise in applied finance and modern software engineering practices.

WHAT YOU WILL BE RESPONSIBLE FOR

• 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.

WHAT WE VALUE

• We are looking for an experienced engineer with well-developed technical and collaborative skills.


• 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.


• Comprehensive understanding of Cloud and On-Prem infrastructures.


• Deep knowledge of CI/CD processes and tools (Git, TeamCity, Azure DevOps).


• Extensive experience with Microsoft Azure and building/managing pipelines.


• Readiness to learn APL, developing new features and debugging existing functionality, with full support from our team throughout the learning process.


• Solid understanding of software architecture and design patterns with experience in Domain-Driven Design.


• Familiarity with XP practices (TDD, pair programming, CI).


• Experience with relational databases (SQL).


• Proficient English communication skills (Upper-Intermediate or higher), written and spoken.


• Ability to mentor, guide, and inspire other developers.


• Experience with Azure or similar cloud platforms.


• Background in FinTech or capital markets.


• Knowledge and experience in the financial domain, fintech, derivatives (options, futures, swaps, etc.) would be an advantage.

BENEFITS

• Flexible working hours and hybrid model - 2 days in the office, 3 days remote


• Modern office (next to Wilanowska metro station) with quiet zones and ergonomic workstations


• Base salary with annual bonus structure


• Holiday allowance upon a 2-week vacation


• Occasional remote work across Poland and international options available (up to 24 days domestic, 20 days international per year - subject to internal policy)


• Employer-paid Medicover Platinum healthcare package (employee-paid family upgrade available)


• MyBenefit Cafeteria with a monthly budget provided by SimCorp, which can be used to finance a Multisport card (with a 25% employee contribution) or choose other lifestyle options


• Unum group life insurance (employee-paid upgrade available)


• Medicover travel insurance for private trips and global business travel insurance


• Possibility to join Deutsche Börse Group Share Plan (eligible after 1 year)


• Copyrights program for certain roles


• Possibility to develop your career in an international environment


• Professional training and courses provided by SimCorp


• Polish language classes for foreign employees; German and English classes based on business needs


• Integration events, volunteering initiatives and employee-led clubs


• Compensation ranges are being disclosed at the initial stage of candidate engagement


• Visit our career pages to learn more about working at SimCorp: www.simcorp.com/career

WHO WE ARE?

For over 50 years, we have worked closely with investment and asset managers to become the world’s leading provider of integrated investment management solutions. We are 4,000+ colleagues with a broad range of nationalities, education, professional experiences, ages, and backgrounds. SimCorp is an independent subsidiary of the Deutsche Börse Group. Following the recent merger with Axioma, we leverage the combined strength of our brands to provide an industry-leading, full, front-toback offering for our clients. SimCorp is an equal opportunity employer and welcome applicants from all backgrounds, without regard to race, gender, age, disability, or any other protected status under applicable law. We are committed to building a culture where diverse perspectives and expertise are integrated into our everyday work. We believe in the continual growth and development of our employees, so that we can provide best-in-class solutions to our clients.

SimCorp is a leading provider of investment management solutions to the world’s largest asset managers, fund managers, asset servicers, pension and insurance funds, wealth managers, banks and sovereign wealth funds. Here you will get to work with skilled and supportive colleagues. We are more than 2500+ employees from 70+ nationalities dedicated to supporting our 300+ clients across the globe. We celebrate multiple approaches and points of view, together we’re building a culture where difference is valued. You will be part of a success story and a company that continues to grow, offering a lot of challenging and interesting opportunities.