.NET Developer (C#/.NET Core)

We are looking for an experienced .NET Developer (C# / Core) to join one of our biggest teams, DocuWare.

As one of Nemetschek Bulgaria’s largest teams, our DocuWare developers build enterprise content management solutions for digital transformation. The team develops core features for document workflow automation, approval processes, and cloud-based document management systems used by organisations globally.

YOUR DAILY CHALLENGES

• Design, implement and test .NET services and libraries in C#;
• Build and maintain Core Web APIs;
• Contribute to a microservice architecture;
• Write efficient data-access code and optimise database queries;
• Structure solutions with dependency injection, configuration and logging, so they stay testable and maintainable;
• Write automated unit and integration tests;
• Package and run services in containers in a cloud environment;
• Monitor and operate the services you build, and investigate issues in production;
• Use AI-assisted tools as part of everyday development and help the team find good ways to apply them;
• Learn DocuWare’s existing technologies and programming standards in depth;
• Review your teammates’ code, and have yours reviewed through pull requests;
• Take part in knowledge-sharing sessions.

OUR EXPECTATIONS

• At least 5 years of experience;
• Solid experience with C# and .NET;
• Experience with Core Web API;
• Good knowledge of databases;
• Experience with microservices architecture;
• Good knowledge of asynchronous programming (async/await), streams and resource management, and LINQ;
• Knowledge of HTTP and REST services;
• Experience writing unit tests and designing code so it can be tested;
• Object-oriented design skills and knowledge of patterns such as dependency injection/inversion of control;
• Experience with Git and a pull-request-based workflow;
• Understanding of Agile methodology;
• Professional working proficiency in English;
• A bachelor’s degree in Computer Science or a related field;

CONSIDERED A PLUS

• Containerised development;
• Experience monitoring and operating services in production: structured logging, metrics, health checks, alerting and troubleshooting live issues;
• Experience with observability tools such as OpenTelemetry, Prometheus or Grafana;
• Experience with one or more cloud providers (Azure, AWS, Google Cloud), and building services that stay independent of any one provider;
• Front-end experience with TypeScript and Angular;
• Experience designing public REST APIs;
• Experience using AI-assisted development tools (e.g. GitHub Copilot, Claude Code) in daily work, with a critical eye for reviewing and verifying the code they produce.

WHAT YOU WILL GET

• Work on a meaningful product with global impact;
• A supportive environment where you can share ideas and be challenged;
• A culture of informal relationships and open communication;
• Access to conferences, internal and external training, and self-learning systems;
• The chance to shape your own role and contribution;
• Internal events and team-building activities;
• A good benefits and financial package.

Nemetschek Bulgaria is a leading software development company in Eastern Europe with 25+ years of experience driving innovation across industries. With over 450 professionals across our Sofia, Varna, and Plovdiv offices, we partner with global software leaders to build solutions that matter.

We’re looking for people with creative minds and enthusiasm to join us in developing what’s new, what’s next, and what best serves our customers’ needs.

Ready to make an impact in software development? We’d be happy to welcome you to our team.