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Capital Markets Gateway

Back-end Engineer (.NET) in Capital Markets Gateway

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  Remote (13 locations) | Senior | Freelance | Programming

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Capital Markets Gateway (CMG) is a fintech firm that streamlines equity capital markets (ECM), connecting investors and underwriters. Launched in 2017, CMG provides integrated ECM data, analytics, and workflow efficiencies, enabling better decision-making for nearly 150 buy-side firms ($40T AUM) and 20 global investment banks (Goldman Sachs, J.P Morgan, Barclays etc)

We’re looking for a .NET Engineer to join our team to help build scalable, secure, and high-performing enterprise solutions for the financial industry. You will play a key role in designing, developing, and maintaining robust backend systems and APIs that power our core products. You’ll collaborate closely with frontend engineers, product managers, and QA teams to ensure seamless data flow, system reliability, and efficient service integration.

© getonbrd.com.

The Role

Key Responsibilities

  • Design, develop, and maintain scalable backend services using .NET 9 and ASP.NET Core, and GraphQL
  • Collaborate with distributed teams to deliver new product features and enhancements
  • Write high-quality, well-tested code and contribute to automated testing frameworks using xUnit.net, Moq, and FluentAssertions
  • Participate in architectural discussions and contribute to technical decisions, documentation, and prototyping
  • Leverage technologies like Docker, Kubernetes, Redis, RabbitMQ, GraphQL, and PostgreSQL to improve system reliability and performance
  • Monitor, debug, and optimize applications using DataDog, Grafana, OpenTelemetry, and Microsoft Azure services
  • Contribute to a strong engineering culture through code reviews, knowledge sharing, and continuous improvement
  • Engage in agile development processes including sprint planning, daily stand-ups, and retrospectives

Our Tech Stack

  • Latest .NET version for our backend services
  • Entity Framework for our ORM
  • MassTransit and RabbitMQ for messaging
  • xUnit.net + Moq + FluentAssertions for testing
  • Federated GraphQL .NET server running in Hot Chocolate
  • Docker + Kubernetes for microservice orchestration
  • PostgreSQL for relational db
  • Redis Cache for distributed caching and real-time messaging
  • Microsoft Azure services for hosting and operations, soon to be cross-cloud
  • DataDog, Grafana and OpenTelemetry
  • GitHub for our Version Control
  • React with TypeScript on our front-end

What We're Looking For

  • English level - C1 or C2 (Essential)
  • Proven experience as a Backend Engineer or similar role
  • C#, ASP.NET Core: 3+ years
  • Software Engineering: 5+ Years
  • Write high-quality, well-tested code
  • Structured, detail-oriented thinker with awareness of broader system goals
  • Quick learner, self-motivated, and comfortable working with minimal supervision or dealing with ambiguity.
  • Strong analytical, problem-solving, and communication skills (written and verbal)
  • Enjoys team collaboration, continuous learning, and building scalable solutions
  • Data-driven mindset with a preference for experimentation and iterative improvement

Desirable Skills

  • Fintech experience is a plus but not essential
  • Experience in equities market data feeds including security master and pricing feeds is a plus but not essential

What We Offer

  • 2 year+ contract
  • 15 business days of vacation
  • Tech courses and conferences
  • Top-of-the-line MacBook
  • Fully remote working environment
  • Flexible working hours

GETONBRD Job ID: 54119

Remote work policy

Locally remote only

Position is 100% remote, but candidates must reside in Chile, Uruguay, Mexico, Peru, Ecuador, Colombia, El Salvador, Argentina, Bolivia, Honduras, Paraguay, Panama or Brazil.

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.Net C Redis PostgreSQL ASP C# Docker GraphQL Kubernetes RabbitMQ English Back-end ASP.NET Communication Problem Solving Team Collaboration Software Engineering Iteration Scalable Solutions Continuous Learning Experiment Planning Back End Supervised Learning .NET Framework 4.0 MassTransit MOQ ASP.NET Core Detail-Oriented Data Communication Skills Quality Experimentation Core Analytical Building Supervision xUnit.net FluentAssertions
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About Capital Markets Gateway

CMG is a financial technology firm that is modernizing the equity capital markets (ECM). CMG connects investors and underwriters via its platform, which delivers data and analytics and workflow efficiencies to the largest Financial Institutions globally. — Capital Markets Gateway's full profile

Back-end Engineer (.NET)
Capital Markets Gateway •   Remote (13 locations)
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Requires applying in English
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