The Company
Capital Markets Gateway LLC (CMG) is a financial technology firm, uniquely focused on the equity capital markets (ECM), connecting investors and underwriters via a neutral platform. CMG delivers integrated ECM data and analytics, unrivalled transparency into deal flow, and workflow efficiencies for an otherwise fragmented and inefficient process. Providing a digital system of record for firm-wide deal activity, CMG helps clients make more timely, better-informed decisions. Launched in 2017 by a team of ECM practitioners, CMG has completed two 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 20 global investment banks. For more information, please visit
www.cmgx.io.
The Role
We’re looking for a Backend Software Engineer to join our team to help build scalable, secure, and high-performing enterprise solutions for the financial industry.
As a Backend Software 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 willing 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 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
Key Responsibilities
Design, develop, and maintain scalable backend services using .NET 9 and ASP.NET Core, and GraphQLCollaborate with distributed teams to deliver new product features and enhancementsWrite high-quality, well-tested code and contribute to automated testing frameworks using xUnit.net, Moq, and FluentAssertionsParticipate in architectural discussions and contribute to technical decisions, documentation, and prototypingLeverage technologies like Docker, Kubernetes, Redis, RabbitMQ, GraphQL, and PostgreSQL to improve system reliability and performanceMonitor, debug, and optimize applications using DataDog, Grafana, OpenTelemetry, and Microsoft Azure servicesContribute to a strong engineering culture through code reviews, knowledge sharing, and continuous improvementEngage in agile development processes including sprint planning, daily stand-ups, and retrospectivesWhat We're Looking For
English level - C1 or C2Proven experience as a Backend Engineer or similar role.C#, ASP.NET Core: 3+ yearsSoftware Engineering: 5+ YearsWrite high-quality, well-tested codeStructured, 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.Fintech experience is a plusOur Tech Stack
Latest .NET version for our backend servicesEntity Framework for our ORMMassTransit and RabbitMQ for messagingxUnit.net + Moq + FluentAssertions for testingHangfire for our background processingFederated GraphQL .NET server running in Hot ChocolateDocker + Kubernetes for microservice orchestrationPostgreSQL for relational dbRedis Cache for distributed caching and real-time messagingIstio for our cluster service meshSwashbuckle for swagger generationMicrosoft Azure services for hosting and operations, soon to be cross-cloudDataDog, Grafana and OpenTelemetryGitHub for our Version ControlReact with TypeScript on our front-endReact Native for Mobile App DevelopmentOur Values
We innovate with purposeWe focus on outcomes vs. outputWe believe diverse and inclusive teams fuel innovationWe are humble yet candidWe do right by the customerWhat We Offer
2 year+ contract15 business days of vacationTech courses and conferencesTop-of-the-line MacBookFully remote working environmentFlexible working hoursAt CMG, we accept nothing less than equity, inclusion and belonging for all. We are deeply committed to listening, learning and constantly improving for the betterment of our teams, clients and communities. CMG is proud to be an Equal Opportunity Employer.