Capital Markets Gateway
The Company
Capital Markets Gateway LLC (CMG) is a capital markets-focused fintech transforming global equity capital markets (ECM) through data, technology, and connectivity. As the preferred source for ECM analytics and the first network connecting the buy-side and sell-side for ECM workflows, we are committed to reshaping how capital markets operate. Founded in 2017 by a team of ECM practitioners, CMG has completed three successful fundraising rounds and is backed by a group of the world’s most prestigious financial institutions. The CMG platform is currently relied upon by nearly 150 buy-side firms representing $40 trillion in AUM and 22 global investment banks. For more information, please visit www.cmgx.io.
The Role
We’re looking for a Senior.NET Engineer to join our team to help build scalable, secure, and high-performing enterprise solutions for the financial industry. As a Senior .NET Engineer, 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. Your contributions will include optimizing performance, enhancing system architecture, and applying best practices in software development, security, and deployment to support rapid and reliable product delivery.
Our Engineering Team
The CMG engineering team consists of domain experts who work collaboratively within a culture of cross-domain knowledge sharing. We value engineers who are passionate about modern technologies and best practices. Our engineers are encouraged to challenge the status quo and are constantly seeking improvement and efficiency in our code-base and platform. CMG engineers are empowered to explore solutions using leading edge technologies such as AI and bring recommendations to the table. We are in a period of making impactful engineering decisions. As part of our process, we believe in taking the time for research and prototyping – this is critical in making the right decisions. Given the experience of our team, we have naturally adopted best practices from local development, through code review and into production rollouts. Besides the standard pull requests, test automation, code coverage tracking, containerization, and one-click deployments, we are constantly reviewing these foundational components to develop new best practices.
Responsibilities
- Operate as a product engineer focused on solving real user and business problems, not clearing a backlog. You bring ideas, challenge assumptions, and own outcomes.
- Work in an AI-first development flow. Use tools like OpenAI Codex and GitHub Copilot not just to go faster, but to do more: explore multiple approaches, validate ideas quickly, and build things that previously wouldn’t have been worth the effort.
- Primarily focused on backend: designing, developing, and maintaining scalable services with .NET 10, ASP.NET Core, and GraphQL. Comfortable stepping into front-end work when the problem calls for it, since AI-assisted development means you don’t need to be a specialist to ship quality UI.
- You’re aligned to a product team and typically work alongside one or two other engineers on any given project, pairing on tough problems, reviewing each other’s work, and shipping together rather than in parallel.
- Uphold a high quality bar. Engineers write their own tests at the unit, integration, and end-to-end levels, and every line of code, human-written or AI-assisted, is reviewed by a human before it ships.
- Drive technical improvements across the codebase. Proactively identify friction, propose changes, and see them through to adoption. Be a first responder for production. Use DataDog, Grafana, OpenTelemetry, and Microsoft Azure to quickly diagnose incidents, minimize impact, and harden the system against recurrence.
Our Tech Stack
- Latest .NET version for our backend services.
- Federated GraphQL .NET server running in Hot Chocolate.
- MassTransit and RabbitMQ for messaging.
- Hangfire for our background processing.
- Swashbuckle for swagger generation.
- Redis Cache for distributed caching and real-time messaging.
- Azure as infrastructure provider.
- Docker + Kubernetes for microservice orchestration using Istio service mesh.
- PostgreSQL for relational db, ElasticSearch for indexing, Redis for caching.
- DataDog, Grafana and OpenTelemetry for observability.
- GitHub for our Version Control and CI (with our own runners).
- React with TypeScript on our front-end.
- AI Tools: GitHub Copilot (in Rider), Codex OpenAI for developing, prototyping and innovation.
Our Values
- We innovate with purpose.
- We focus on outcomes vs. output.
- We believe diverse and inclusive teams fuel innovation.
- We are humble yet candid.
- We do right by the customer.
What We Offer
- 2 year+ contract.
- 15 business days of vacation.
- Tech courses and conferences.
- Top-of-the-line MacBook.
- Fully remote working environment.
- Early morning availability may be necessary to work effectively with the Czech team.
CMG embraces our ongoing commitment to building a culture reflecting the people, perspectives, and passions it represents. We will accept nothing less than equity, inclusion, and belonging for all. With the only constant in life being change, we will always listen, learn, and improve for the betterment of our teams, customers, and communities. CMG is proud to be an Equal Opportunity Employer.
Originally posted on Himalayas
To apply for this job please visit himalayas.app.
About this role & career path
Working in Argentina
Argentina, officially the Argentine Republic, is a country in the southern cone of South America. It covers an area of 2,780,085 km2 (1,073,397 mi2), making it the second-largest country in South America after Brazil, the fourth-largest country in the Americas, and the eighth-largest country in the world. Argentina shares the bulk of the Southern Cone with Chile to the west, and is also bordered by Bolivia and Paraguay to the north, Brazil to the northeast, Uruguay and the South Atlantic Ocean to the east, and the Drake Passage to the south. Argentina is a federal state subdivided into twenty-
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