Top Financial Transaction Processing Companies

At American Express, our culture is built on a 175-year history of innovation, shared values and leadership behaviors, and an unwavering commitment to back our customers, communities, and colleagues. As part of Team Amex, you’ll experience this powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express. Check out the recent awards we’re proud of: • #4 on Great Place to Work's Best Companies to Work For - 2025 • #10 on Fortune's World's Most Admired Companies - 2025 • #5 on Great Place to Work's Best Workplaces for Parents - 2025 • #1 on Great Place to Work's Best Workplaces in Financial Services & Insurance - 2024 • #7 on Time's Top 10 World's Best Companies List - 2024 • #3 on Great Place to Work's Best Companies to Work For - 2023 • Bloomberg Gender-Equality Index (since 2015) - 2023

As a technology company in the global payments business our payments processing network, connects consumers, financial institutions, merchants, governments, and businesses in more than 210 countries and territories.

FIS is a global leader in financial services technology, with a focus on retail and institutional banking, payments, asset and wealth management, risk and compliance, and outsourcing solutions. Through the depth and breadth of our solutions portfolio, global capabilities, and domain expertise, FIS serves more than 20,000 clients. Headquartered in Jacksonville, Fla., FIS employs more than 57,000 people worldwide and holds leadership positions in payment processing, financial software, and banking solutions. Providing software, services, and outsourcing of the technology that empowers the financial world, FIS is a Fortune 500 company and is a member of Standard & Poor’s 500® Index. For more information about FIS, visit www.fisglobal.com.

At Fiserv you will find an environment where leadership, innovation and collaboration are valued. Fiserv, Inc. (NYSE: FI), a Fortune 500 company, aspires to move money and information in a way that moves the world. As a global leader in payments and financial technology, the company helps clients achieve best-in-class results through a commitment to innovation and excellence in areas including account processing and digital banking solutions; card issuer processing and network services; payments; e-commerce; merchant acquiring and processing; and the Clover® cloud-based point-of-sale and business management platform. Fiserv is a member of the S&P 500® Index and one of Fortune® World’s Most Admired Companies™. Visit fiserv.com and follow on social media for more information and the latest company news. Recognizing our leadership in innovation and financial soundness, Fiserv is proud to be recognized again by Fortune Magazine® as one of the World’s Most Admired Companies. In recognition of our outstanding work culture, Fiserv received the Great Place To Work® Certificate for 2023 and 2024. In 2023 and 2022, Wequity recognized our efforts to create an inclusive workplace, naming us one of the Most Inclusive Organizations for Women in Tech and we received a Silver Award in the India Workplace Equality Index of Top Employers 2023 and 2022. We were honored for our commitment to engineering excellence, with the ‘Innovation with Impact’ award at nasscom GCC Conclave 2023 and were also recognized at The Economic Times DataCon Summit 2022 for Innovative Use Cases of Analytics/AI/ML, reflecting on our commitment towards client delivery excellence. Fiserv is helping its clients push the boundaries of what's possible in financial services, delivering deep expertise and innovative solutions to help financial institutions, businesses and consumers move and manage money faster and with greater ease than ever before.

Western Union enables individuals, families, and friends to seamlessly transfer money, also providing financial services to those lacking traditional access. Using insights from customers and colleagues worldwide, we are improving financial services for families, small businesses, multinational corporations, and non-profit organizations. Our Western Union Business Solutions products help companies spend less time managing international financial transactions and more time growing their businesses. With expertise in moving funds around the globe, access to over 130 currencies, and a financial network spanning 200+ countries and territories, we are proud to be at the forefront of financial services technology. Our global team of dedicated professionals are no strangers to thinking in different languages and tackling complex issues. They have been the backbone of our innovative spirit since 1851! We’re unleashing our potential. If you’re ready to do the same, apply now.

People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 75+ million customers get more from their money every day. As we continue our lightning-fast growth,‌ 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work™. So far, we have 13,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution.

FNZ is the global platform provider in the wealth management sector, partnering with over 650 of the world’s leading financial institutions and over 12,000 wealth management firms. With over 7,000 employees in 30+ global locations, FNZ’s mission is to open-up wealth, helping everyone, everywhere to invest in their future on their terms. FNZ combines technology, infrastructure, and investment operations in a single state-of-the-art platform that frees its partners to create hyper-personalized and innovative products and services, that are seamlessly aligned with the needs of their clients. To date, FNZ administers more than $2 trillion in client assets and has enabled over 26 million people, from all wealth segments, to invest in an effective, simple, and transparent way, making wealth management accessible to everyone.

Temenos offers cloud-native, cloud-agnostic, API-first digital banking, core banking, payments, fund management, and wealth management software products, enabling banks to deliver consistent, frictionless customer journeys and achieve market-leading cost/income performance. We have a relentless focus on innovation and consistently reinvest 20% of our revenues into R&D, the highest in banking software. At Temenos we believe that our people make the difference. What we create and achieve is a result of the aspirations and goals of the 7500 unique individuals that make up Temenos today. Together we make banking better.

Founded in Stockholm, Sweden in 2005. We make shopping smoooth. We've done that so well that we've become Europe’s highest valued private fintech, and the 2th highest worldwide. And we’re growing our turnover by 40% each year. Which makes trying new things out and the freedom to explore not just a reality, but a necessity. Today, we have over 5,000 employees and hire more than 2,000 people a year. Our offices are spread over 3 continents and are staffed by 100+ nationalities. Check out Klarna's Instagram account @lifeatklarna to get to know us better! And catch up with us on all our social media channels.

Headquartered in London, Travelex has a rich heritage in foreign currency, pioneering the travellers’ cheques of the past and the digital payments of the future. With a presence in over 27 countries, and over 1,200 stores at both on-airport and off-airport locations around the world, Travelex has distilled its expertise and experience into a platform that reinvents physical and digital cross-border money movement globally to ensure its clients remain one step ahead of the competition. The platform provides financial institutions with a trusted, efficient and accurate international payments service, plus secure and reliable banknote delivery of both major and exotic currencies. A category leading independent foreign exchange specialist, the business covers the entire value chain of the retail foreign exchange industry. Travelex Group is also active in the remittances and payments space enabling physical and digital cross-border money movement for consumers and financial institutions.