.NET Developer

Technologies we use

Expected

• C#
• .NET
• .NET Core
• ASP.NET Core (REST Web API / Minimal APIs)
• Entity Framework Core
• PostgreSQL lub MS SQL Server (T-SQL)
• xUnit lub NUnit
• Moq (lub NSubstitute)
• FluentAssertions
• Docker
• GitHub
• Postman (lub Swagger / OpenAPI)
• LINQ
• JSON / JWT

Optional

• Microsoft Azure
• AWS
• TypeScript
• React (lub Angular / Vue.js)
• Blazor
• RabbitMQ (lub Apache Kafka / Azure Service Bus)
• Redis
• MongoDB (lub Azure Cosmos DB)
• Dapper
• MediatR (wzorce CQRS)
• MassTransit
• GitHub Actions
• gRPC
• GraphQL
• Serilog
• OpenTelemetry
• Polly
• Kubernetes
• .NET Aspire

Operating system

• Windows

This is how we organize our work

This is how we work

• in house
• at the client's site
• you focus on a single project at a time
• you develop several projects simultaneously
• you can change the project
• you focus on product development
• you focus on code maintenance
• agile
• scrum

Team members

• backend developer
• fullstack developer

Your responsibilities

We are looking for .NET Developers with a minimum of 4 years' experience.

We're on the lookout for talented professionals like you to join our vibrant team.

In this role, you'll become a valued part of our community, bringing your unique expertise to the table. We believe in collaboration and encourage you to actively contribute your skills.

Your voice matters here - propose innovative technical solutions and take ownership of your projects.

As a member of our team, you won't just be a cog in the wheel. We're committed to supporting your growth journey.

Join us if your expectations and experience match our requirements

Our requirements

• Strong proficiency in C# and the .NET ecosystem, including .NET Core.
• Experience building backend services and APIs using ASP.NET Core (RESTful APIs, Web API, middleware).
• Good understanding of object-oriented design, design patterns, SOLID principles and clean architecture.
• Experience with Entity Framework Core, LINQ, and database design (SQL Server, PostgreSQL) including writing optimized queries and migrations.
• Familiarity with unit testing, integration testing and test frameworks (xUnit, NUnit, MSTest, Moq) and TDD practices.
• Knowledge of asynchronous programming (async/await), multithreading and concurrency patterns.
• Experience with source control systems, primarily Git (branching strategies, pull requests, code reviews).
• Understanding of CI/CD pipelines and build tools (Azure DevOps, GitHub Actions, TeamCity, Jenkins) and deployment practices.
• Familiarity with containerization and orchestration technologies (Docker, Docker Compose, Kubernetes) is a plus.
• Experience with cloud platforms (Azure, AWS or GCP) and cloud services integration (App Services, Functions, Blob Storage, RDS/SQL, IAM).
• Knowledge of security best practices for web applications (authentication, authorization, OAuth2/OpenID Connect, data protection, OWASP).
• Experience with frontend integration (SPA frameworks like Angular, React, or Blazor) and working with API contracts.
• Ability to read and write technical documentation, create architecture diagrams and participate in design discussions.
• Strong debugging and performance tuning skills, profiling tools, memory and CPU diagnostics.
• Good communication skills, ability to work in Agile/Scrum teams, participate in sprint planning and estimations.
• Experience with messaging and event-driven architectures (RabbitMQ, Kafka, Azure Service Bus) and background processing (Hangfire, Azure Functions).
• Familiarity with logging and monitoring tools (Serilog, NLog, ELK stack, Application Insights, Prometheus/Grafana).
• Willingness to learn new technologies, adopt best practices and mentor junior developers.
• Bachelor’s degree in Computer Science or equivalent experience is preferred, along with 3+ years of professional .NET development experience (or as specified by employer).

What we offer

• Ability to define your development path
• Mentoring (with the use of practical tasks)
• An informal but productive work environment

This is how we work on a project

• Clean Code
• architect / technical leader support

Development opportunities we offer

• mentoring
• substantive support from technological leaders
• technical knowledge exchange within the company
• time for development of your ideas

Benefits

• remote work opportunities
• flexible working time
• integration events
• opportunity to obtain permits and licenses

Recruitment stages

• About 30 minute HR interview
• About 1h technical interview
• Call with a customer (optional)

We create open source

We're dedicated to open-source .NET, steadily building our solutions and libraries.

- Watch it on YouTube -> https://www.youtube.com/channel/UCVfa7ApE-qJvFMJrvaNZn2A/

- or visit GitHub -> https://github.com/Prognetics

PROGNETICS SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

🦉 Join the #PROperTeam at Prognetics! 🚀

Are you passionate about .NET, modern JS (React/Angular), Azure, and Microsoft technologies? At Prognetics, we live and breathe reliable software solutions while sharing our collective tech expertise.

We're not just coders; we use our software development expertise to craft success stories for enterprise and corporate clients. Our approach? Pragmatic software development processes and a strong emphasis on teamwork.

At Prognetics, it's all about our collective growth. We're here to guide your development journey and support your certification aspirations. Be part of the #PROteam!

This is how we work