Senior Fullstack Developer (C# and Angular)

About the Position

We are seeking a Senior Fullstack Developer with expertise in C# and Angular to join our team in Warsaw, Poland, focusing on developing scalable applications for a large-scale asset lifecycle and investment decision environment.

Responsibilities

• Design, develop, and maintain scalable applications using .NET / C#, Angular, cloud services, and modern integration patterns.
• Build secure, maintainable, and reliable software aligned with product and architecture goals.
• Take ownership of solution quality, including security, compliance, authentication, authorization, and data protection.
• Improve production applications with a focus on reliability, performance, observability, incident resolution, and long-term maintainability.
• Work with cloud-native architecture and deployment patterns, primarily in AWS.
• Design and maintain integrations using REST APIs, microservices, and messaging platforms such as Kafka.
• Support DevOps practices: CI/CD, test automation, release management, and developer productivity improvements.
• Participate in technical discussions, architecture decisions, code reviews, and solution design.
• Mentor less experienced engineers and support high engineering standards across the team.
• Collaborate with architects, product owners, and stakeholders to translate business needs into robust technical solutions.

Requirements

• Extensive hands-on experience with .NET Core, C#, and Angular.
• Strong understanding of object-oriented programming, clean code, SOLID, design patterns, and maintainable architecture.
• Experience building distributed systems and integrations using REST APIs, microservices, Docker, Kubernetes, and messaging platforms such as Kafka or AMQ.
• Experience working with SQL and/or NoSQL databases.
• Strong practical experience with cloud-native solutions on AWS, including areas such as: EKS / Kubernetes, cloud storage, secrets management (e.g., AWS Secrets Manager), monitoring and observability, production-grade deployments, infrastructure automation.
• Good understanding of DevOps practices and tools for automation, CI/CD, testing, and releases.
• Experience with Git, Azure DevOps, and/or GitHub Actions.
• Ability to work with containerized applications using Docker and Kubernetes.
• Senior-level ownership, strong problem-solving skills, and the ability to balance delivery speed with long-term quality.
• Strong communication skills and experience working with architects, product owners, and business stakeholders.

Nice to Have

• Experience with data-heavy applications, reporting platforms, forecasting tools, cost estimation, or business case systems.
• Experience with asset management, finance, investment-related systems, or complex operational platforms.
• Experience mentoring engineers and influencing technical direction in a product team.

We Offer

• Competitive salary range: 200 - 220 PLN per month.
• Hybrid work environment.
• Opportunity to work with cutting-edge technologies and complex projects.

About the Company

Link Group is a company operating in the technology industry, focusing on the development of high-quality web applications. The company emphasizes creating intuitive user interfaces and robust backend services, particularly using technologies like React JS and Kotlin. Link Group values collaboration, as evidenced by its emphasis on teamwork with architects, designers, and cross-functional teams. The company is committed to improving user experience and interface design through iterative development and feedback, highlighting its dedication to innovation and quality in its products.