Senior Software Engineer - C# .Net & Devops

SimCorp; Warszawa; Hybrid; PLN 200,000 - 280,000; Full time

Benefits offered by this job

Flexible hours

Hybrid work model

Medical insurance

Metro-adjacent office

Annual bonus

Multisport card

Life insurance

Training & development

Job summary

SimCorp is seeking a Senior Software Engineer to build scalable .NET backend and Angular frontend solutions. You will integrate with Azure services, design APIs, and implement CI/CD pipelines, delivering high-quality software for financial clients.

You will collaborate with cross-functional teams in an international environment, contributing to architecture decisions while ensuring performance and security across the stack.

Qualifications

• 5+ years hands-on experience with .NET technologies (C#, Microsoft .NET) and DevOps
• Strong proficiency in Angular, JavaScript and TypeScript
• Backend-first mindset with strong architectural rigor
• Experience building REST APIs with .NET (OData a plus)
• Knowledge of Azure cloud services and CI/CD pipelines
• SQL Server design, optimization, and performance tuning
• Familiarity with Docker/Kubernetes (AKS) and distributed systems
• Solid understanding of design patterns (OOP, SOLID) and TDD/BDD
• Experience with code reviews and SonarQube
• Fluency in English

Responsibilities

• Make design and implementation decisions for scalable, secure solutions
• Promote engineering best practices: design patterns, code quality, testing, monitoring
• Develop and maintain REST APIs and backend services using .NET
• Design and implement frontend apps using Angular and TypeScript
• Collaborate with Product Owner and Engineering Manager on capacity and feasibility
• Drive epic/features analysis and backlog prioritization
• Contribute to all stages of the development lifecycle and CI/CD
• Ensure timely, high-quality delivery and address bugs
• Stay updated with trends in software development

Skills

.NET/C#

Azure

Angular

TypeScript

DevOps

REST APIs

SQL Server

Docker

Kubernetes

CI/CD

English

Education

Bachelor's in Computer Science

Tools

AKS

Azure DevOps

Azure Service Bus

Job description

Senior Software Engineer - C# .Net and Devops

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

As a Senior Software Engineer you will work across all stages of the development lifecycle—designing, coding, testing, reviewing, and deploying solutions. You will leverage your expertise in .NET technologies, databases, and the Azure cloud ecosystem to build scalable, high-performance solutions that power business-critical applications.

WHAT YOU WILL BE RESPONSIBLE FOR

• Making design and implementation decisions compliant with architecture to ensure solution scalability, security, and performance
• Promote best engineering practices within the team, including software design patterns, code quality, documentation, testing, and monitoring
• Develop and maintain REST APIs and backend services using .NET technologies.
• Design and implement robust, reusable, and maintainable frontend applications using Angular and TypeScript.
• Collaborate with the Product Owner and Engineering Manager to assess delivery capacity and technical feasibility
• Drive epic/features analysis and support prioritization of the engineering backlog
• Applying your talents to all stages of the development lifecycle, including review of user stories, development, design, code reviews, and setting up automated test solutions and CI/CD pipelines
• Ensuring timely, high-quality delivery of tasks, present new features, and address client-reported bugs
• Staying up-to-date with emerging trends and technologies in software development

WHAT WE VALUE

• 5+ years of hands-on experience with .NET technologies (C#, Microsoft .NET) coupled with DevOps experience
• Strong proficiency in Angular, JavaScript and TypeScript
• A backend-first mindset with strong architectural rigor
• Proven experience building REST APIs with .NET (OData experience preferred).
• Strong working knowledge of Azure cloud services, including: Azure App Services / Azure FunctionsAzure API ManagementAzure DevOps (Pipelines, Repos, Boards)Azure Service Bus / Event Gridetc
• Strong database expertise: Proficiency with SQL Server (design, optimization, indexing, performance tuning).
• Understanding of data modeling, normalization/denormalization, and query optimization.
• Experience with database versioning/migrations.
• Proficient understanding of design patterns and principles (OOP, GoF, SOLID).
• Strong background in software development practices such as TDD, BDD.
• Hands-on experience with peer code reviews and code quality tools (e.g., SonarQube).
• Solid working knowledge of Angular (v10+), TypeScript, and frontend architecture principles.
• Experience with Docker/Kubernetes, especially AKS.
• Familiarity with messaging platforms such as Service Bus, Event Hub, Kafka.
• Strong background in distributed systems, REST API design, asynchronous messaging, and cloud-native patterns.
• Experience with DevOps practices, CI/CD pipelines, automated testing, and application monitoring.
• Excellent communication skills and collaboration in cross-functional teams experience.
• Experience with Git and collaborative workflows.
• Solid expérience in Agile/Scrum environnements.
• Excellent problem-solving skills.
• Comfortable working in an international, multicultural environment.
• Positive, constructive mindset—you bring energy, collaboration, and positive vibes to your team.
• Strong sense of responsibility for both technical quality and a healthy team culture.
• Excellent communication skills with fluency in English (speaking and writing).
• Bachelor degree in computer science or similar

BENEFITS

• Flexible working hoursand 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)
• Multisport card with 75% employer contribution
• 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

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 3,000+ colleagues with a broad range of nationalities, educations, 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-to-back 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.

#Li-Hybrid

SimCorp is a provider of industry-leading integrated investment management solutions for the global buy side. Founded in 1971, with more than 3,000 employees across five continents, SimCorp is a truly global technology leader that empowers more than half of the world’s top 100 financial companies through its integrated platform, services, and partner ecosystem. SimCorp is a subsidiary of Deutsche Börse Group. As of 2024, SimCorp includes Axioma, the leading provider of risk and management and portfolio optimization solutions for the global buy side.

Discover more about our culture, recruitment process, and commitment to promoting meaningful work