Senior Backend Engineer



Software Engineering · Full-time
Tel Aviv-Yafo, Israel
Posted on Thursday, March 23, 2023

We are a well funded, early stage startup led by serial entrepreneurs with over $1B in exits to Salesforce and Microsoft. Checksum.ai is at the forefront of artificial intelligence, applying most recent innovations in the field to help companies ship bug-free software, fast. We’re assembling a powerful engineering team that will lay the foundations for the company’s future.

We are looking for a creative, self motivated and results-driven developer who will join the founding team to work on this one of a kind challenge. Passionate about experimenting with different approaches, drafting and testing algorithms, alongside designing and delivering high quality software, preferably with zero-to-one experience.


You’re a builder and a hands-on problem solver. Hooking into a concept and quickly and continuously extracting value is what you do. Your knowledge and experience allow you to stay organized and efficient in a typical dynamic and “noisy” startup environment. You’re a team player and most probably also a leader and mentor. Finally, the thought of joining an early-stage startup makes you feel excited taking into account the responsibility and hard work it entails en route to success.


  • BSc in computer science or equivalent experience
  • 5+ years of hands-on/leading backend development
  • Significant web development experience building software services for SaaS solutions from high-level architecture design to continuous implementation and maintenance
  • Solid programming foundations - data-structures, OOP, design patterns, complexity analysis, etc
  • Experience with algorithm design and implementation, using heuristics, working with sequential data and graphs, monitoring results and improving
  • Substantial experience with web frontend development, familiarity with the DOM and HTML elements, styling using CSS, the RESTful API and SPA concepts


  • Experience integrating software with ML models
  • Experience with implementing software testing automation
  • Knowledge of CI/CD and DevOps methodologies
  • Experience with frontend development libraries such as React and Vue
  • Experience with analyzing code, using syntax trees (AST) or a similar approach to achieve a business goal

Why should you apply?

  • Opportunity to join a startup at the very first steps but already after substantial funding
  • Shape the company’s DNA with us, create impact farther than the engineering scope
  • Design the engineering systems from scratch. Choose your tech stack, coding language and architecture
  • Work closely with serial entrepreneurs with exists over $1B
  • Competitive salary and generous equity
Checksum is an equal opportunity employer.

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