Senior .NET Backend Engineer – Hybrid (Brno), Fintech

Capital Markets Gateway; United States; Hybrid; USD 41,000 - 60,000; Full time

Benefits offered by this job

Unlimited vacation

Meal vouchers

Multisport card

Pension contributions

Language courses

Brno office

Team lunches

Tech courses

MacBook Pro

Team building

Flexible hours

Work from home

Job summary

Capital Markets Gateway LLC (CMG) is seeking a Senior .NET Engineer to design, develop, and maintain scalable backend systems and APIs powering ECM analytics. You will work with .NET 10 and GraphQL, collaborate with frontend, product, and QA teams, and apply best practices for security and deployment.

The role is based in Brno with on-site presence required a couple of days per month and a hybrid schedule aligning with US Pacific hours.

Qualifications

• Based in the Czech Republic.
• 5+ years software engineering experience.

Responsibilities

• Operate as a product engineer focused on solving real user and business problems, not clearing a backlog.
• Work in an AI-first development flow.
• Primarily focused on backend: designing, developing, and maintaining scalable services with .NET 10, and GraphQL.
• Comfortable stepping into front-end work when the problem calls for it.
• Aligned to a product team and typically work with one or two other engineers on a project, pairing on tough problems and shipping together.
• Uphold a high-quality bar with tests at unit, integration, and end-to-end levels, reviewed by a human before shipping.
• Drive technical improvements across the codebase and propose changes for adoption.
• Serve as the first DataLab hire in Czechia, working from Brno office.
• Shift schedule to US Pacific morning hours (until ~20:00 CET) 2-3 days per week.
• Participate in the team’s on-call rotation and production incident response.

Skills

C#

ASP.NET Core

GraphQL

Microservices

Azure

Docker

Kubernetes

Redis

PostgreSQL

RabbitMQ

MassTransit

ElasticSearch

OpenTelemetry

DataDog

GitHub / CI

React / TypeScript

Tools

.NET Backend

GraphQL .NET server (Hot Chocolate)

RabbitMQ

MassTransit

Azure

Docker

Kubernetes

PostgreSQL

ElasticSearch

Redis

DataDog

OpenTelemetry

GitHub CI

Job description

Capital Markets Gateway LLC (CMG) is seeking a Senior .NET Engineer to design, develop, and maintain scalable backend systems and APIs powering ECM analytics. You will work with .NET 10 and GraphQL, collaborate with frontend, product, and QA teams, and apply best practices for security and deployment.

The role is based in Brno with on-site presence required a couple of days per month and a hybrid schedule aligning with US Pacific hours.