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Experienced Customer Success Manager – Driving Financial Markets Access for Everyone

Remote, USA Full-time Posted 2026-06-16

At arenaflex, we're on a mission to revolutionize the financial services industry by providing access to everyone on the planet. As a fast-growing fintech company, we're seeking an exceptional Customer Success Manager to join our team. This role offers a unique blend of remote work and time in our office, combining flexibility with collaboration. If you're passionate about making a global impact in financial services and technology, we want to hear from you.

About arenaflex

arenaflex is a fast-growing series B fintech company that has raised over $120 million in funding. We're an API-first stock and crypto platform that enables developers and businesses across the world to build trading algorithms, applications, and brokerage services. Our globally distributed team consists of developers, traders, and brokerage specialists, backed by prominent investors and highly experienced industry angel investors.

Our Culture

We're a team of 150+ globally distributed members who love to work from their favorite places in the world. We're passionate about making a global difference in financial services and technology, impacting local communities, and becoming part of our hyper-growth company. We're enthusiastic about open source contributions and community building, and we're committed to creating a diverse and inclusive workplace.

Your Role

As a Customer Success Manager at arenaflex, you'll be the front line in our pursuit of enabling financial markets access for everyone on the planet. You'll work with our partners (customers) from launch through renewal, ensuring they have a positive experience leading to successful outcomes. Reporting to the VP, Sales and Success, this role supports arenaflex's B2B offerings, helping customers launch trading apps and open financial services to everyone on the planet.

Key Responsibilities

* Act as primary contact for B2B/enterprise customers, accountable for driving healthy and constant relationships with key contacts throughout the customer lifecycle – from app launch to renewal.

  • Ensure customer satisfaction, retention, and success.
  • Manage escalations, internally and externally, with a focus on customer empathy.
  • Maintain regular contact with customers to understand their business priorities, monitor their progress to achieving key results, and constantly identify and mitigate risk (relationship, commercial, etc.).
  • Work with partners to accurately forecast growth, and to identify and monitor progress towards shared goals.
  • Drive adoption of arenaflex features (new and existing) among our Live Partners.
  • Identify and disseminate best practices and pitfalls.
  • Represent the partner internally to ensure arenaflex across multiple groups (marketing, product, operations, etc.).
  • Maintain positive relationships, internally and externally, to drive overall success and overcome obstacles.
  • Provide internal communication and reporting on overall account status, health, and risk.
  • Develop a success strategy for ensuring customer success.
  • Identify areas, and consider solutions for, improvement/optimization within arenaflex.
  • Ad-hoc duties and responsibilities as assigned.

Essential Qualifications

* 4-6 years experience in a customer success role, managing customer relationships.

  • US region hours.
  • Understanding of and experience with key technology concepts, such as SaaS and APIs.
  • Exposure to, or employment with, large and small companies.
  • A dedicated interest in arenaflex's mission, to enable financial services access to everyone on the planet.
  • Ability to work remotely and independently, and to self-manage time and obligations.
  • Flexibility to jump in where/when needed to help drive arenaflex's growth.
  • Desire to learn.
  • Ability to manage customer relationships, across various sized companies.

Nice-to-Haves

* FinTech experience is a plus, especially with broker dealer business.

  • Startup mindset for a fast-paced, high-growth environment.
  • Experience working with international B2B clients.
  • Multi-lingual in English, Spanish, and Portuguese.

How We Take Care of You

* Competitive Salary & Stock Options.

  • Benefits: Health benefits start on day 1. In the US, this includes Medical, Dental, Vision. In Canada, this includes supplemental health care. Internationally, this includes a stipend value to offset medical costs.
  • New Hire Home-Office Setup: One-time USD $500.
  • Monthly Stipend: USD $150 per month via a Brex Card.
  • Work with awesome, hardworking people, super smart and cool clients, and innovative partners from around the world.

arenaflex is an Equal Opportunity Workplace

We're proud to be an equal opportunity workplace dedicated to pursuing and hiring a diverse workforce.

Simple Application Process

Ready to join us? The first step is easy. Click apply now and we'll be in touch soon! Apply To This Job Apply for this job

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