---
title: 'Site Reliability Engineer at Capital Markets Gateway'
canonical: 'https://feeny.ai/job/site-reliability-engineer-capital-markets-gateway-london-jvy6s1a8swfh'
type: 'job'
last_seen: '2026-09-13'
---

# Site Reliability Engineer at Capital Markets Gateway

- **Company:** Capital Markets Gateway
- **Location:** London, United Kingdom
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-05-29
- **Last confirmed live:** 2026-09-13
- **Apply:** https://jobs.lever.co/cmgx/9e44428b-0d79-493e-8bd2-eef7f2c956fb

## Job description

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 25 global investment banks and 135 asset managers representing $40 trillion in AUM. For more information, please visit www.cmgx.io.

## The Role

CMG is looking for a Site Reliability Engineer (SRE) with a strong focus on monitoring, observability, and alerting to ensure the reliability, performance, and scalability of our infrastructure and applications. You will be responsible for designing, implementing, and maintaining monitoring solutions to provide visibility into system health and performance, proactively detect anomalies, and reduce incident response time.

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 bleeding 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

Monitoring & Observability

- Design, implement, and maintain monitoring and observability solutions using tools like Prometheus, Grafana Stack (Loki/Grafana/Tempo/Alert Manager), Datadog, and OpenTelemetry.
- Define and implement SLOs, SLIs, and error budgets to measure system reliability.
- Develop and optimize dashboards, alerts, and reports for system performance and business metrics.

Alerting & Incident Management

- Design actionable alerting strategies to minimize noise and improve MTTR.
- Integrate alerting systems with Jira.
- Establish and refine runbooks for on-call teams to handle alerts efficiently.
- Empower teams to ensure observability coverage and incident response practices.

Performance Optimization

- Analyze system performance metrics, identify bottlenecks, and implement optimizations to improve system efficiency, scalability, and cost-effectiveness.
- Help conduct load testing and capacity planning to ensure systems can handle peak traffic loads.

Automation and Tooling

- Identify opportunities for automation and develop tools to streamline operational processes, such as fail-over, configuration management, and monitoring.
- Implement monitoring and alerting systems within automations to detect and resolve issues proactively.

Collaboration and Communication

- Collaborate closely with cross-functional teams, including software engineers, operations, and infrastructure teams, to understand system requirements, provide technical guidance, and drive solutions.
- Communicate effectively to stakeholders about system changes, incidents, and improvements.
- Foment and spread SRE principles and practices across company.

## Qualifications

- Proven experience as a Site Reliability Engineer or similar role.
- Proficiency in logging, metrics, and tracing frameworks (DataDog, Loki, Prometheus, OpenTelemetry).
- Experience with cloud platforms (Azure preferred) and infrastructure-as-code tools (e.g., Terraform).
- Strong programming and scripting skills (Python, Bash).
- Proficiency in containerization technologies and orchestration tools (Docker, Kubernetes).
- Understandingof Linux-based systems, networking, and security principles related to containerized applications.
- Strong problem-solving and troubleshooting skills, with a passion for identifying and resolving complex technical issues.
- Excellent communication and collaboration abilities.
- Ability to thrive in a fast-paced, constantly evolving environment.
- Experience with PostgreSQL monitoring and optimization (Optional/Nice to have).

If you're passionate about building resilient financial systems, optimizing observability at scale, and solving real-world reliability challenges in capital markets, we’d love to have you on our team!

Our Tech Stack

- Azure as an infrastructure provider. We are reviewing secondary cloud options.
- 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).
- CD: Harness and FluxCD.
- Terraform and Terragrunt as IaaC.
- Python and bash for scripting infrastructure.
- React - We’re all in on React – we maintain multiple single-page React apps.
- TypeScript – 99% of our codebase is TypeScript.
- Latest .NET version for our backend services.
- GraphQL - Our standard for API communication is GraphQL served by our DotNet Back-End.

## 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

- Equity

- Unlimited PTO (28 days including bank holidays + unlimited additional paid leave)

- Comprehensive benefits program managed by Globalization Partners

- Premium life and income protection

- Top private medical and dental insurance

- Employee Assistance Program (EAP)

- Pension contributions

- Hybrid work environment (initially remote until office setup is complete)

- Education reimbursement

- Continuous learning opportunities

- Employee referral bonus

- Parental leave

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.

## About Capital Markets Gateway

## Company Overview
- **One-liner**: Capital Markets Gateway (CMG) provides workflow management and data intelligence solutions that connect buy-side and sell-side participants throughout the entire equity capital markets (ECM) offering process.
- **Entity Type**: Private (latest Series C raised $30M in April 2025)
- **Headquarters**: New York, New York, United States
- **Founded**: 2015
- **Founders**: Greg Ingram (CEO & Co-Founder), Mike Wilcox (President, COO & Co-Founder)

## Core Business
- **Primary industry**: Financial Services – Equity Capital Markets (ECM) technology and data
- **Target customers**: B2B – Investment banks (sell side) and asset managers, hedge funds, long-only mutual funds (buy side)
- **Mission or purpose statement**: To transform the equity capital markets by digitizing workflows, delivering real-time data intelligence, and enabling faster, better-informed decisions for ECM participants.

## Products & Services
- **CMG DataLab™**: A real-time ECM market data and analytics platform covering IPOs, follow-ons, ABBs, blocks, rights offerings, converts, ATMs, PIPEs, and registered directs across 50+ regions, with 20+ years of historical data, 550+ data fields, and 100+ filters. Type: SaaS / data platform.
- **CMG XC™**: A connected workflow application for book building, allocations, and straight-through processing (STP), integrating with trading/OMS platforms. Type: SaaS workflow platform.
- **Data Feed / API**: GraphQL-based real-time feed for powering internal workflows.
- **Excel Add-In**: Available via Microsoft AppSource for data analysis.
- **Mobile App (DataLab)**: Real-time calendar and deal tracking for iOS.

## Market Standing
- **Valuation/Market Cap**: Not disclosed
- **Key Metric**: Total Funding of $69M (as of April 2025); Annual Revenue estimated at $35M (LinkedIn, 2025)
- **Notable Investors/Partners**: StageDotO (lead investor in Series A and Series C), TD Securities (venture round, 2025), Franklin Templeton (early investor and participant). Key clients include nine of the world’s top ten asset managers and underwriters representing 70% of the U.S. ECM market.
- **Growth Signals**: 
  - 80 employees across 7 countries (US, Czechia, UK, Brazil, Mexico)
  - LinkedIn followers: 6,005 (monthly growth +0.8%)
  - Active hiring for Senior .NET Engineers, Platform Engineers, Site Reliability Engineers
  - Opened a Chicago office; workforce distributed globally

## Competitive Advantages
- **First connected ECM platform** that bridges the buy side and sell side, creating network effects that increase value as more participants join.
- **End-to-end integrated workflows** covering the entire ECM lifecycle from wall cross to trade processing, reducing manual processes and operational risk.
- **Data moat** built on 20+ years of historical ECM data and real-time coverage across 50+ regions.
- **Critical mass** with 25 investment banks and 135 asset managers representing over $40 trillion in AUM, making CMG the de facto industry standard for ECM workflow.

## Strategic Focus
- Expanding data coverage globally (Latin America, EMEA, APAC) and adding new deal types (ABBs, rights offerings, convertible bonds).
- Advancing straight-through processing (STP) and integration with trading/OMS platforms.
- Enhancing workflow efficiency through client advisory board feedback and continuous product innovation.
- Scaling the engineering team and building out the platform to serve a growing international client base.

## Why Work Here
- **Culture**: Founded by former ECM practitioners who understand the industry’s pain points; described as a team of technologists and industry experts with a collaborative, mission-driven environment.
- **Remote/Hybrid Policy**: Hybrid – roles listed in New York and London (e.g., Account Executive, Customer Success Manager, Engineering roles).
- **Notable Perks / Engineering Culture**: 
  - Modern tech stack (likely .NET, cloud infrastructure) with roles for Senior .NET Engineers, Platform Engineers, and Site Reliability Engineers.
  - Opportunity to work on a transformative platform that is reshaping a traditional financial market segment.
  - Strong mentorship and a flat, cross-functional team (many founding members still at the company).

## Sources
1. [cmgx.io](https://cmgx.io/) – Product overview and company description
2. [jobs.lever.co/cmgx](https://jobs.lever.co/cmgx) – Current open positions and location details
3. [cmgx.io/who-we-are/](https://cmgx.io/who-we-are/) – Leadership team and company mission
4. [linkedin.com/company/cmg-capital-markets-gateway](https://linkedin.com/company/cmg-capital-markets-gateway) – Financials, funding, employee count, and headcount distribution
5. [cmgx.io/building-cmg-our-journey-to-transform-the-equity-capital-markets/](https://www.cmgx.io/building-cmg-our-journey-to-transform-the-equity-capital-markets/) – Founding story, product evolution, and client milestones

## Other roles at Capital Markets Gateway

- [Account Manager, Sell-Side](https://feeny.ai/job/account-manager-sell-side-capital-markets-gateway-new-york-z4hgvyydm0q9) — New York, NY
- [DevOps Engineer](https://feeny.ai/job/devops-engineer-capital-markets-gateway-brno-vymdg10czxtz) — Brno, Czech Republic
- [Frontend Engineer](https://feeny.ai/job/frontend-engineer-capital-markets-gateway-brno-2j5ajygv9xpm) — Brno, Czech Republic
- [Account Executive, Sell-Side](https://feeny.ai/job/account-executive-sell-side-capital-markets-gateway-new-york-g2vkz511s2c2) — New York, NY
- [Senior Frontend Engineer (Analytics Product Lead)](https://feeny.ai/job/senior-frontend-engineer-analytics-product-lead-capital-markets-gateway-canada-nhqsrr14nre8) — Canada
- [Customer Success Manager](https://feeny.ai/job/customer-success-manager-capital-markets-gateway-new-york-tffeqkat0bp1) — New York, NY
- [Sales Director, Buy-Side](https://feeny.ai/job/sales-director-buy-side-capital-markets-gateway-hong-kong-y1w6918e39n1) — Hong Kong, China
- [Account Executive, Buy-Side](https://feeny.ai/job/account-executive-buy-side-capital-markets-gateway-new-york-byktqx5xc6w2) — New York, NY
- [Senior Security Engineer](https://feeny.ai/job/senior-security-engineer-capital-markets-gateway-london-dens8z0cw8zx) — London, United Kingdom
- [Platform Engineer](https://feeny.ai/job/platform-engineer-capital-markets-gateway-london-eabgte4jxjvv) — London, United Kingdom