Senior Full Stack Engineer

Location: Tel Aviv

Start Date: As soon as possible

Reports to: Chief Technology Officer

About Klearly

Klearly is one of the fastest-growing fintech companies in the Netherlands. Since its founding, Klearly has raised €20 million, with backing from major industry players such as PayPal Ventures, the former President of Mastercard, the former COO of Adyen, and the former CEO of Mollie, as well as investors including Global PayTech Ventures, Antler, and Shapers.

Our mission is to revolutionize the in-person payments (card-present payments) landscape. We focus on building a payment product that businesses love and that SaaS providers embrace as a key part of their offering.

We strongly believe in the power of collaboration and are looking for an experienced and technically strong Senior Full-Stack Engineer to help shape the future of payments with us.

About the Role

As a Senior Full-Stack Engineer at Klearly, you will play a key role in building and scaling our in-person payments platform. You will work full-stack using modern technologies such as React, TypeScript, Node.js, and AWS to develop high-performance applications and backend systems.

From designing intuitive frontend interfaces to optimizing backend infrastructure, you will collaborate closely with a talented team to deliver reliable and impactful features. This is a high-impact role for an experienced engineer who enjoys shaping product direction and driving innovation within a fast-growing fintech startup.

Responsibilities

• Build robust and scalable applications using React, Redux, TypeScript, and modern backend technologies such as Node.js and the AWS Serverless Framework

• Develop and optimize backend systems using tools like API Gateway, Step Functions, Lambda, and databases such as PostgreSQL and MongoDB Atlas

• Collaborate with a skilled and motivated team to deliver impactful features

• Ensure system stability and quality through best practices in testing, monitoring, and logging

• Stay at the forefront of innovation and actively contribute to the future of in-person payments

Requirements

• At least 5 years of experience as a Full-Stack Developer, preferably with a background in payments

• Strong expertise in React, TypeScript, and AWS technologies

• Experience with databases such as PostgreSQL and MongoDB Atlas is a plus, but not required

• Strong problem-solving skills and a passion for fintech and building world-class solutions

• Ambition to make a real impact in a fast-growing startup environment

What We Offer

• Be part of the core team and influence key product and technology decisions

• Work on cutting-edge fintech solutions with global ambitions

• Grow within a collaborative and dynamic startup environment

• Hybrid working model that supports flexibility and work–life balance

Join Klearly as a Senior Full-Stack Engineer and help build the future of payments. Ready to make an impact?

Apply today by sending your CV and motivation letter to [email protected].