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Thales

Senior Java Backend Developer - CWAF

Thales is hiring a Senior Java Backend Developer - CWAF. Level rates it ; you can apply on Thales.

Level's read on this job

  • Level rates this software engineer role Uses AI ●●○○: an ordinary role that requires AI tools.
  • Some of the work can be done remotely, according to the posting.
  • The posting mentions Java, Spring Boot and AWS among its tools and skills.
  • Level classes it as a senior role.
  • Thales has 3,600+ other open roles on Level.

AI in this role

Senior Java Backend Developer to build scalable cloud WAF services, leveraging AI tools to improve engineering productivity.

JavaSpring BootAWSKubernetes
backend-developmentdistributed-systemscloud-computingsystem-design

At Thales, we know technology has the ability to make our world more secure, sustainable, and inclusive – and that it’s all driven by human intelligence.

Because it takes human intelligence to build and power the systems and solutions that people depend on every day. So we stay curious and make space for diverse points of view. We share what we know and we challenge what’s possible.

We’re driving progress in some of the world’s most important industries - from the bottom of the oceans to the depths of space and cyberspace - and from manufacturing to engineering, we work together to build a future we can all trust.

Imperva, a Thales company, is a globally recognized cybersecurity leader, dedicated to securing data and applications across diverse environments. Our cutting-edge solutions empower organizations to safeguard their most critical assets, ensuring robust protection against emerging threats.

We’re proud to be recognized as one of Israel’s Top 50 High-Tech Companies to Work For in 2025 (Dun & Bradstreet) and offer a flexible hybrid work model from our Rehovot office.

We are looking for a Senior developer to join the Cloud WAF R&D group, located in Rehovot. The team develops cloud-based solutions to manage and optimize the website protection orchestration. Imperva Cloud WAF (Web Application Firewall) is a key component of Imperva’s offering, providing enterprise-class protection against the most sophisticated security threats.

If you are passionate about building a large scale service with delightful user experiences, excited about security and ready to fight cybercrime, able to learn and then demonstrate a deep understanding of backend and Cloud technologies, come join us - together we can make a worldwide impact!

Key Responsibilities:

  • Design and develop large-scale, scalable, distributed backend services.

  • Take technical ownership of features and components from design through production.

  • Solve complex performance, scalability, and reliability challenges in distributed systems.

  • Influence architecture and technical direction.

  • Leverage AI tools and practices to improve engineering productivity and quality.

Requirements:

  • B.SC in Computer Science or equivalent

  • 5+ years of backend development experience with strong Java/Spring boot expertise

  • Experience developing large-scale, distributed SaaS/cloud systems.

  • Strong system design skills and experience with distributed systems

  • Experience with public cloud platforms (AWS) and Kubernetes – an advantage.

  • Strong ownership, problem-solving, and collaboration skills

  • Passion for modern engineering practices and adopting AI technologies

Thales, champions inclusion and we believe diversity strengthens the fabric of our culture. We are an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, colour, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

How we rate this

Senior Java Backend Developer - CWAF at Thales rates 45 out of 100 for how much of the daily work is AI. That makes it Uses AI (AI Level 2 of 4). The level is about AI in the job, not seniority.

Classification

Uses AI. An ordinary role that requires AI tools.

  1. ●●●● Builds AI80 to 100
  2. ●●●○ Works on AI60 to 79
  3. ●●○○ Uses AI40 to 59
  4. ●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

Backend DevelopmentDistributed SystemsCloud ComputingSystem DesignJavaSpring BootAWSKubernetes

Also common in software engineer jobs at this level

Pay

Typical software engineer job
$168k

This posting doesn't list pay. Use the typical software engineer figure when pay comes up. See software engineer jobs

Questions you could be asked

  1. Tell me about a project where backend development was part of your work. What did you do?
  2. Tell me about a project where distributed systems was part of your work. What did you do?
  3. Tell me about a project where cloud computing was part of your work. What did you do?
  4. Tell me about a project where system design was part of your work. What did you do?
  5. Walk me through how you've used Java in your day-to-day work.

Adapt your resume

  • List these exact terms on your resume: Backend Development, Distributed Systems, Cloud Computing, System Design, and Java. An applicant tracking system matches the wording, not the idea.
  • Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
  • Put the AI tool in a bullet point about what you did, not just in a skills list. This role treats it as a required part of the job.

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