Senior Backend Developer

Klearly

Klearly

Software Engineering
Tel Aviv-Yafo, Israel
Posted on Jul 23, 2025

Senior Backend Developer

Location: Tel Aviv (Hybrid Work Model)

Start Date: As soon as possible

About Us:

Klearly is a fast-growing fintech company. Since its inception three years ago, Klearly has raised over €8 million, backed by key industry figures such as the former President of MasterCard, the COO of Adyen, and the CEO of Mollie, as well as investors including Global PayTech Ventures, Antler, and Shapers.

Our mission is to reshape in person (card present) payments. We are focused on building a payment product that merchants love and that SaaS providers embrace as a key component of their offering. Our initial focus is on the POS/SaaS systems which serve the bars, restaurants, and cafés in Europe.

What You’ll Do:

  • Lead the development and optimization of our backend payment infrastructure, ensuring scalability, reliability, and security.
  • Build and maintain systems to support seamless integrations with payment acquirers and partners.
  • Collaborate with cross-functional teams to deliver high-impact features aligned with business goals.
  • Ensure high performance, low latency, and fault tolerance across all backend systems.

What Do You Bring?

  • 6+ years of experience in backend development with a strong background in payments.
  • Expertise in Node.js, AWS services like Lambda, API Gateway, Step Functions, VPC.
  • Experience with both SQL and NoSQL databases such as PostgreSQL and MongoDB.
  • Familiarity with payment industry standards and technologies like PCI-DSS compliance, BIN routing, transaction ledgers, and SoftPOS is a big plus.
  • Strong problem-solving skills, attention to detail, and ability to work autonomously.
  • Excellent communication and collaboration skills, with a team-oriented mindset.

What We Offer:

  • Be part of the core team, influencing key product and technology decisions.
  • Work on cutting-edge fintech solutions with global ambitions.
  • Thrive in a collaborative, dynamic startup environment.
  • Hybrid work model that values flexibility and work-life balance.
  • Prime location in Tel Aviv, with the option to relocate to Amsterdam after demonstrated performance.

What’s Next?

Ready to be part of something transformative? Join us to shape the future of fintech, working alongside a team of exceptional individuals passionate about innovation and excellence.

Apply now or share with someone you know who fits the bill. Let’s build the future together.