Senior React Engineer

Posted on Mar 22, 2023

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Job Details

Independent Contractor
🌎 Worldwide

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About Paymentology

Paymentology is the first truly global issuer-processor, giving banks and fintechs the technology, team and experience to rapidly issue and process Mastercard, Visa and UnionPay cards across more than 50 countries, at scale.

Our advanced, multi-cloud platform, offering both shared and dedicated processing instances, vast global presence and richer, real-time data, set us apart as the leader in payments.

We set people up for success

We believe that facilitating individual growth serves the greater good of the company – as well as its clients, and the world. We're diverse, inclusive, innovative, adaptable and passionate about solving "impossible" problems. With outstanding benefits and the flexibility to work across the globe, we aim to set you up for success from day one.

What you can look forward to:

At Paymentology we value making a difference to the lives of the people who work for us and who live in the communities where we operate. You can look forward to working with a diverse, global team where Paymentologists at all levels play an important part in our global mission to advance the world through payments and make a difference on a global scale.

Diversity is in our DNA

As a global company, we’re driven by our diverse, curious and innovative Paymentologists. We’re committed to building an inclusive culture and creating an inspired, diverse place to work.

The Position

As a Senior React Engineer at Paymentology you will be working in the Engineering team to build enterprise-level, highly scalable, highly secure financial processing systems that power tens of millions of transactions and tie them to web and mobile that make it easy for people to issue, redeem and reconcile prepaid and credit cards all over the world.

This position requires the ability to develop high-quality and resilient solutions to meet the rapidly evolving needs of an issuer processor serving an internationally expanding customer base and to communicate effectively at all levels, from providing the right level of details in status updates on your work to explaining technical trade-offs, technical complexities, and design options so Paymentology can make informed decisions.

About the role:

  • Help deliver an industry-leading user experience for our customer portals.
  • Ship small to medium-sized features, components and improvements with minimal guidance
  • from other team members. Collaborate with the team on larger initiatives.
  • Collaborate with Product Management, Backend Engineers and other stakeholders to
  • maintain a high bar for quality in a fast-paced, iterative environment.
  • Collaborate with Engineering teams to build a set of coding standards for front-end
  • development. Maintain and advocate for these standards through code review.
  • Mentoring, knowledge transfer, supporting and upskilling other engineers
  • Responding to and troubleshooting production issues and continuously learning from them, so we can build better and more reliable software for the future


What it takes to succeed:

  • Knowledge of data structure libraries (e.g., Immutable.js)
  • Knowledge of Reactive programming (RxJS or Websocket)
  • Experience with Continuous Integration and Continuous Deployment environments and
  • tools like Circle CI, Github Action, Gitlab Pipelines, AWS Deployment Pipelines
  • Experience with Infrastructure as code languages, like Terraform for AWS or Azure.

About you:

  • Clear and responsive communication
  • Strong analytical thinking, problem-solving, appropriate judgment and decision-making skill
  • Commitment to collaboration and teamwork
  • Proven ability to effectively manage timelines and deliverables
  • Meeting deadlines and strong attention to detail
  • You are a self-started, motivated team player who thrives in a fast-paced environment

Our Hiring Process

  1. Reviews. After applications are received, they are reviewed and screened for a variety of criteria. From here, promising candidates are shortlisted.
  2. Team Interviews. With our teams spread across the world, we usually conduct interviews via video call. Selected candidates will speak to a Recruiter, a Hiring Manager, and other relevant Team members.
  3. Project Challenge. Successful candidates are issued a project to complete in order to gauge problem-solving and technical abilities. Candidates are paid for this time.
  4. Final Interviews. A final round of interviews is done. This time, bringing in additional Team members for what we call a “Culture Chat”.


We go out of our way to make Paymentology a great place to work. Because keeping good people happy is not only the right thing to do, it’s good business, too.

  • Remote-friendly. We offer numerous remote roles, within a worldwide company. This gives our people more opportunity to work from more places that suit them.
  • We value well-being. We encourage our people to take the time to rest. Happy, productive people need relationships and time off. Every Paymentologist enjoys a generous amount of leave.
  • Competitive pay. We value great talent and our salary packages are always competitive within regions.
  • We’re all co-owners. When the company thrives, we all thrive. All Paymentologists receive shares in Paymentology.
  • Annual company retreat. We take at least one trip per year (travel permitting), where we come together, let our hair down, celebrate our victories, and look ahead to new opportunities.
  • Diverse by default. Our global footprint spans continents, cultures, languages and currencies. We believe that diversity makes us stronger.
Senior React Engineerat Paymentology