Senior .NET Developer

Quick Facts

• Role: Senior .NET Developer

• Focus: Backend (.NET) with added frontend (Angular)

• Domain: Banking sector

• Work mode: Hybrid; presence in Warsaw office 2–3 days per month

• Budget: up to 140 PLN/h + VAT (depending on experience and scope)

Role description

You will program new features and develop scalable banking applications, including backend work in C#/.NET and frontend development with Angular. The role emphasizes microservices architecture, performance and scalability, and building reliable, testable solutions.

Responsibilities

• Develop new application functionalities and evolve banking sector apps

• Implement backend tasks using .NET with Angular-based frontend contributions

• Design and build efficient, scalable applications

• Develop microservices-based solutions and implement backend services

• Use Redis, Elasticsearch, and RabbitMQ

• Containerize and orchestrate services with Docker and Kubernetes

• Write and automate tests (unit and E2E)

• Perform code reviews and maintain code quality

• Apply CI/CD processes and DevOps practices

Requirements

• Minimum 6 years of experience as a .NET Developer

• Strong C# and .NET Core knowledge aligned with SOLID principles

• Practical Angular and TypeScript knowledge

• Experience designing and implementing microservices

• Practical MS SQL and SQL knowledge

• Knowledge of Redis, Elasticsearch, and RabbitMQ

• Experience with Docker and Kubernetes

• Knowledge of design patterns, especially Strategy

• Practical use of Dependency Injection

• Experience creating unit tests and automating E2E tests

• Practical CI/CD knowledge and tools such as Azure DevOps, TeamCity, or Jenkins

• Knowledge of Git

• Proficiency with Visual Studio, Visual Studio Code, and Jira

• Nice to have: experience using AI development tools such as Claude or Codex

Benefits

• Opportunity to work across diverse projects (Software, Embedded, Data, Cloud Services)

• Involvement in additional pre-sales and expert initiatives

• Medical care

• Sports card

• Cafeteria platform benefits according to current cooperation rules