Senior.Net developer

About the Position

Do you want to help build smart, scalable products in the world of media and advertising? Do you enjoy working with modern technologies and innovative tools such as AI? Then this is your opportunity.

We usually respond within three days

About the Role

As a Senior.Net Developer, you will build and maintain scalable backend services that power our products and internal platforms. You will work on features end-to-end, from concept to deployment, with a strong focus on clean architecture, reliability, and delivering real business value. Collaborating closely with stakeholders and other engineers, you help translate product needs into robust technical solutions. You contribute to improving engineering practices within the team, mentor junior developers, and ensure high quality through automated testing and modern CI/CD workflows. Where relevant, we apply AI in our solutions and ways of working - your experience or interest in this area is highly valued.

Responsibilities

• Develop and support backend services of a digital advertising platform along with supporting another platform - a rating system for linear television.
• Meet with stakeholders to identify priorities.
• Enhance engineering practices.
• Mentor junior developers.
• Participate in automated testing for quality.
• Support observability with dashboards, alerts, and tracing.

Requirements

• More than 4+ years of experience in back-end engineering.
• Skilled in Clean Code, software architecture, and design patterns.
• Advanced C# and .NET framework expertise.
• Experience with NoSQL (MongoDB), RabbitMQ, and Redis.
• Proficient in deploying services on Azure cloud.
• Familiar with Docker, Kubernetes, and agentic tools like Cursor.
• Knowledge of RESTful APIs, gRPC, CQRS/Mediator, fault tolerance, automated testing, and CI/CD.
• Interested in or experienced with observability tools (OpenTelemetry, Prometheus, Grafana).
• Effective problem-solver with simple, business-focused code.

Technology Stack

• Language & Framework: C#,.NET, ASP.NET Core
• Databases: SQL, Postgres, MongoDB, Redis
• Messaging: RabbitMQ
• Cloud: Azure
• Infrastructure: Kubernetes, Docker, Helm
• CI/CD: Azure Pipelines, GitOps
• Observability: OpenTelemetry, Prometheus, Grafana
• Authentication: OpenID Connect

We Offer

1. Today we're working with the technology of tomorrow.
2. We don't wait for a change. We are the change.
3. We're experts in creating experts (Levi9 academy, Lead9 program for leaders).
4. No micromanagement. We are free birds with a clear understanding of what the high performance is!
5. Learning in Levi9 never stops (unlimited Udemy for business, meetups, English courses, Professional trainings).
6. Here you can train your body and mind.
7. We've gathered the best locations - comfortable, cozy and pet-friendly offices in Kyiv (5 minutes from Olimpiyska subway station) and Lviv (5 minutes from the Opera Theatre) with regular offline internal events.
8. We have master's degree in work-life balance.
9. We are actively supporting Ukraine with constant donations and volunteering.

About the Company

Levi9 is a nearshore technology service provider with around 1000 employees and 50+ customers. We specialize in custom-made business IT – 95% of our work is on the revenue side of our customers. This is where time to market, high productivity, stable team velocity, and great quality through automation, agility, intensive interaction, and understanding matter most.

How to Apply

Click the APPLY NOW button and leave your contacts!

Department:.Net

Role: .Net Software Developer

Locations: Kyiv, Lviv

Remote status: Hybrid

Technologies: .NET, C#

Seniority Level: Senior

Contact: Tetiana Lobetska, Talent Recruitment Team Lead – Talent Management