SECTION I · THE BRIEF
Brief #48012Updated 27 AUG 2026BRNOLeverFINTECH COMPANIES WITH LESS THAN 200 EMPLOYEES
Employbl Company Profile

Senior Frontend Engineer

Capital Markets Gateway Inc. provides software solutions. The Company offers workflow management and data analytics platform for real time calendar, analyses, reporting, workflow collaboration, tailored content, and…

Location
Brno
Company size
20–100
Posted
4w ago
Via
Lever
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  • 02Seniority & experience requirementsLocked
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  • 05Growth trajectory in this roleLocked
  • 06Offer & decision timelineLocked
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Job listing · Updated 27 AUG 2026

Senior Frontend Engineer

Capital Markets Gateway Inc· BrnoView company profile

Job title
Senior Frontend Engineer
Job location
Brno
Job listing URL
https://jobs.lever.co/cmgx/fe5622a1-b051-40b7-a8cc-7b1417c11d74
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

We’re looking for a Senior Frontend Engineer to join XC product. As a frontend engineer, you will play a critical role in crafting user-centric, performant, and scalable interfaces that power our enterprise financial solutions using industry standard technologies like React, TypeScript, and GraphQL.

You will collaborate closely with product managers, back-end engineers, and engineering leaders to translate complex business requirements into clean, maintainable code. You will contribute to frontend architecture decisions, establish best practices in UI development, and champion design consistency, accessibility, and overall product quality.

You will also be empowered to use modern agentic coding tools thoughtfully to accelerate delivery, improve code quality, explore solutions, and raise the team’s engineering leverage while maintaining strong judgment, ownership, and review standards.

Our Engineering Team

The CMG engineering team is made up of domain experts who collaborate across disciplines and share knowledge openly. We value engineers who are passionate about modern technologies and best practices who can raise the bar for React, TypeScript, UI architecture, testing, accessibility, and developer experience. Our engineers are encouraged to challenge the status quo and are constantly seeking improvement and efficiency in our codebase 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, and this role will help guide frontend technical direction through research, prototyping, code review, and production-quality implementation.

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.

  • Serve as the frontend technical lead for CMG’s XC product, helping set direction for the team.

  • Work in an AI-first development flow. Use tools like Claude, 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.

  • 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.

  • Collaborate with product teams to translate UI/UX wireframes and mockups into functional, high-quality code.

  • Collaborate with senior engineers and engineering managers to ensure that the overall product meets all requirements and specifications.

  • 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.

Qualifications

  • English level - C1 or C2

  • React: 3+ years

  • Software engineering: 5+ Years

  • Experience leading frontend technical decisions, mentoring engineers, and driving UI architecture standards

  • Demonstrated ability to use agentic coding tools (we use Claude, Codex, and CoPilot) productively while maintaining high standards for correctness, security, maintainability, and team collaboration

  • Fintech experience or .NET knowledge is a plus

Our Tech Stack

  • React - We’re all in on React – we maintain multiple single-page React apps

  • TypeScript – 99% of our frontend codebase is TypeScript

  • Latest .NET version for our backend services.

  • Federated GraphQL .NET server running in Hot Chocolate.

  • Nx monorepo

  • Testing – Jest/Testing Library/Playwright/Storybook

  • Material UI - CMG’s design system is built on a tried-and-true component library

  • Containerized - Run the entire stack on your machine with one click

  • Automatic preview environments created for every PR

  • Playwright and own data-seeding framework for E2E testing

  • AI Tools: Claude, GitHub Copilot, Codex 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

  • Unlimited vacation 

  • Meal vouchers paid in full by the company 

  • Multisport card contribution 

  • Pension contributions 

  • Language courses 

  • Centrally located office in the heart of Brno 

  • Bi-weekly team lunches provided by the company 

  • Tech courses and conferences 

  • Top of the line MacBook 

  • Company team building events 

  • Flexible working hours and the possibility to work from home 

View job listing ↗
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Capital Markets Gateway Inc headquarters

Chicago, IL

Company size

20–100 employees

Founded

2015

Total raised

$69,050,000

View company profile ↗

Funding rounds