Web3 Security Jobs in Israel

The engineering team at Chainalysis is inspired by solving the hardest technical challenges and creating products that build trust in cryptocurrencies. We’re a global organization with teams in Denmark, UK, Canada, the USA who thrive on the challenging work we do and doing it with other exceptionally talented teammates. Our industry changes every day and our job is to create user facing products supported by a flexible and scalable data platform allowing us to adapt to those rapid changes and bring value to our customers.

We are building the data platform for blockchain, cryptocurrency, and web3. Our engineers deeply understand what is possible with cloud-native technologies and use those insights to enable our customers to push the boundaries of the cryptocurrency landscape.

Our Alterya team is focused on AI-powered fintech and threat intelligence, empowering institutions to protect individuals from fraud transactions. As a Data Analyst & Prompt Engineer, you will be responsible for designing and optimizing prompts for LLM models to efficiently extract the data the team needs.

We are looking for someone who thinks outside the box and enjoys solving complex problems with simple, elegant solutions. You are naturally curious, highly independent, and a self-learner who is always exploring new ideas and expanding your knowledge.

The role will be based in Tel Aviv, and we are looking for eager, enthusiastic, curious, hard working and positive people to be part of our amazing journey.

In this job, you'll:

• Research the web to find and define types of scams and scammers

• Build LMM prompts and data flows

• Analyze and monitor our data pipelines using SQL

• Research scam activity patterns

• Solve complex problems in ambiguous and evolving domains.

• Become the team's subject matter expert, serving as the go-to source of knowledge in your field.

We’re looking for candidates who have:

• 2+ years’ experience as a fraud prevention / threat hunter / scam researcher

• Network knowledge

• CTF experience - not mandatory

• Hustle mind

• Dark web experience - not mandatory

• Deep knowledge in social media

• Familiar with SQL skills with experience in querying large, complex data sets

• Experience with AI

• Fluent English (written & verbal)

• Good interpersonal communication skills

• Quick grasp of new data and data systems

Technologies we use:

• Python

• SQL

• AI models

AI at ChainalysisAI is not a feature at Chainalysis - it is a new way of working. One that turns instructions into work done, and helps us move faster than the threats we're built to counter, and we expect our employees to take ownership of the output and ensure quality. As the world's most trusted blockchain analytics platform, Chainalysis sits at a rare intersection of proprietary data, regulatory relationships and crypto expertise that makes it uniquely placed to shape and lead the next era of AI-driven intelligence - and we expect everyone here, regardless of role, to be an active part of it.AI fluency is tied directly to how we measure performance and how we plan to win. There is no substitute for your own curiosity. We provide the tools, workflows, and space to experiment - but the expectation is that you develop these capabilities yourself, bring ideas, and collaborate across teams to reinvent the way work gets done. We are not using AI to do less. We are using it to do what was never possible before.

About Chainalysis

Chainalysis is the blockchain data platform, making it easy to connect the movement of digital assets to real-world services. Powered by deep blockchain data and AI, organizations can investigate illicit activity, manage risk exposure, and develop innovative market solutions built on the industry's most trusted blockchain intelligence. Our mission is to build trust in blockchains, blending safety and security with an unwavering commitment to growth and innovation.

You belong here. 

At Chainalysis, we believe that diversity of experience and thought makes us stronger. With both customers and employees around the world, we are committed to ensuring our team reflects the unique communities around us. We’re ensuring we keep learning by committing to continually revisit and reevaluate our diversity culture.

We encourage applicants across any race, ethnicity, gender/gender expression, age, spirituality, ability, experience and more. If you need any accommodations to make our interview process more accessible to you due to a disability, don't hesitate to let us know. You can learn more here. We can’t wait to meet you.