Software Engineer (Billing System)

Our development stack:

.NET 9: (Aspire, Blazor Server, WebApi + OData, EF Core, MediatR / CQRS, Serilog, OpenTelemetry, Hangfire, OpenAPI / SwaggerUI), Postgresql, Docker, AWS (AWS ECS, AWS CDK), Cloudwatch, Prometheus, Grafana, IDEs: (Rider, Visual Studio Code)

Responsibilities:

• Develop the first version of internal billing system based on existing prototype and in cooperation with billing manager.
• Cover the most important part of the system with automatic tests.
• In cooperation with Billing manager create a system of core metrics to monitor, setup its monitoring. Continuously monitor these metrics.
• Troubleshoot the billing system, investigate possible troubles with key metrics, make fixes.
• Implement new functionality based on the Billing managers roadmap.
• Continuously explore and implement best existing and emerging practices in the domain area which lead the system to better meet business goals.
• Make quick MVP and tests for validation of some uncertain hypothesis.
• Cooperate with billing clients engineering teams, educate them on billing usage, discuss existing and emerging needs, find the most effort/profit optimal solution to satisfy it.
• Troubleshoot clients issues related with usage of the billing system.

Requirements:

• 5+ years of software development experience with a strong focus on C#/.NET.
• Must be willing to work with or have experience in other programming languages such as Ruby, Golang, TS.
• Commercial experience with AWS.
• Solid experience with data analysis, monitoring key metrics & launching technical A/B test to improve business metrics that technical solution solves.
• Proven experience of work as a solo-team without supervision.
• Proven experience of creating a system architecture from scratch.
• Strong Computer Science fundamentals.
• Strong proven experience with Relational and NonSQL databases.
• Strong proven experience with RESTful API approach.
• Strong proven experience with CI/CD (gitlab).
• Familiar with Microservices.
• Experience with Docker.
• Strong understanding of why we should write tests and documentation.
• Experience with frontend.
• Basic understanding (or willingness to learn) how payment processing works for credit cards & digital wallets (Apple Pay, Google Pay).
• Basic understanding of data securing practises & building secure systems.
• English B2+.
• Previous experience with the Finance domain will be a plus.

What we offer for your success:

• Very warm and friendly working environment and flexible working schedule.
• 20 days off + paid national holidays, and 12 sick days paid by the company per year.
• Medical insurance, and health protection programs (with COVID-19 and dental coverage).
• Continuous professional development and growth opportunities.