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We're looking for an experienced Data Engineer to work on our massive data processing pipeline and our new NextGen BI system to help us deliver more insights and scale from our current billion events a day to tens of billions of events.

Responsibilities
Pull data from various data sources and integrate into the ETL process
Integrate Machine Learning models in ETL to deliver insights to Marketing, Product and CRM departments
Optimize workloads to reduce cost and improve performance
Work closely with analysts from Product, Marketing and Data Scientists to deliver insights from over a Billion daily events and over 50 Marketing channels

We are looking for a Frontend Engineer.
As a Frontend Engineer, you are the architect of the first impression.
Your mission is to build highly responsive, intuitive web experiences that set the industry standard for usability and speed. You will leverage modern React architecture to ensure that every interaction feels instant, every pixel serves a purpose, and our customers enjoy a frictionless product experience.
You arent just implementing designs; you are engineering the engine that powers our customer experience, obsessed with delivering a high-quality, snappy UI at scale.
Key Responsibilities:
Modern Stack Architecture: Architect and build production-grade applications using Tanstack/Next.js and modern React patterns to deliver optimized, scalable user interfaces.
Performance Obsession: Own the Speed Index. You will proactively optimize Core Web Vitals (LCP, CLS, INP) and fine-tune bundle sizes to ensure our apps perform flawlessly on any network.
Component Craftsmanship: Build composable, accessible, and themeable UI libraries using Radix UI, shadcn/ui, and Tailwind CSS. You will contribute to our internal design system, ensuring consistency without sacrificing flexibility.
State & Data Mastery: Manage complex server and client state seamlessly, ensuring data is fresh, cached efficiently, and synchronized perfectly.

Were currently looking for a brilliant, organized team player Node.JS developer to join our amazing team!

apply-now
Responsibilities
Will to learn and get pushing forwards all tasks on hand.
Organized and responsible to take care of given Tasks.
Build reusable Code and libraries for future use.
Collaborate with Frontend team, Product, QA, BI and other departments on a day-to-day basis.

Required Backend Engineer - eCommerce
Job Description
As a Backend Engineer, youll join a growing global team, shaping the future of eCommerce. Youll develop and maintain the core selling and order management capabilities for all verticals. Working in a highly distributed, cutting-edge environment, youll play a central role in building scalable, resilient systems that handle millions of requests per minute.
In your day-to-day, you will:
Build and maintain backend systems to process 1.5 million API requests and 400,000 events per minute
Design, implement, and optimize scalable and resilient systems with an API-first approach
Solve high-scale technical challenges in a distributed microservices environment (~100 microservices)
Collaborate with cross-functional teams to ensure seamless integration and functionality across the platform
Lead technical initiatives to improve system performance, reliability, and scalability
Mentor and guide junior engineers to help them reach their full potential Strong communication skills in both Hebrew and English are required.
This position is primarily an in-person role, and candidates should be prepared to come to our Tel Aviv office 4 days a week, with 1 day working from home.

We are looking for an experienced Data Analyst to lead the analysis dept. in a growing gaming company, analyzing game and monetization related data, delivering insights to different company departments and helping us grow and enhance our game's performance

Responsibilities
Analyze large, complex data sets representing users behavior and performance, inform, influence and support data driven business decisions regarding marketing, product, economy and monitization.
Provide actionable recommendations and conclusions from game data to shape features, game economies and future product road-maps
Balance and monitor essential flows in the game
Build and maintain dashboards and reports to follow and monitor game KPIs
Strive for never ending data driven optimization and excelency

Required Backend Engineer - Internal Platform Engineering
Job Description
As a Backend Engineer, youll join a brand new team focused on development tools such as AI agents, gateways, and orchestrations, working to improve our velocity and quality.
Build tools used by every developer, with the goal of significantly improving the velocity and quality of tools and products in the organization
Create new solutions and take ownership of existing ones in areas like production testing and performance
Take projects from ideation to production, including technical design, RFC, coding and more
Work with cutting-edge full-stack technologies at the highest industry standards and leverage the most up-to-date tools
Be a part of an R&D team with extremely experienced colleagues
Create tools by developers for developers, influencing the product at virtually every level.

We are looking for a Senior Full Stack Engineer.
As a Senior Full Stack Engineer, you are a core partner in the product team, shaping not just how we build, but what we build.
Your mission is to architect high-scale systems within a dynamic environment where engineering excellence meets rapid innovation.
You will join a culture of radical end-to-end ownership, where teams deploy to production dozens of times a day.
Leveraging a diverse, modern tech stack and cutting-edge tools, you will turn complex architectural challenges into seamless user experiences, knowing that the code you ship in the morning can impact thousands of brands by the afternoon.
Key Responsibilities:
System Architecture: Architect robust, scalable full-stack solutions. You arent just writing code; you are making critical decisions on data modeling, API design, and system resilience.
End-to-End Ownership: Own your features from the whiteboard to production. You build it, you ship it, you run itgiving you complete control over your craft.
Strategic Influence: Partner directly with Product Managers and Designers during Discovery. Your technical insights will validate feasibility and shape the product roadmap before a single line of code is written.
Mentorship & Quality: Be a force multiplier. By conducting code reviews and mentoring junior engineers, you will raise the collective technical bar of the entire team.

Required Backend Engineer - Enterprise
Job Description
As a Backend Engineer, you will be a key player in building the future of our B2B offerings. You'll tackle the complex challenges of creating secure, multi-tenant solutions for our largest clients. You will take full ownership of features from the database to the API, and collaborate with a talented team to deliver high-impact products in a fast-paced, iterative environment. You will:
Innovate and experiment with new technologies to design and develop multi-tenant enterprise solutions
Write modular, hands-on Scala or Java code, balancing rapid prototyping with long-term maintainability
Deliver scalable, high-quality products using an iterative, release-driven methodology
Collaborate closely with Product, QA, UX, and BI stakeholders to align on requirements and achieve team goals
Take full ownership of the development cycle, from database integration to API creation and deployment
Optimize the performance of complex, data-driven applications
Contribute to a culture of innovation and knowledge-sharing within the R&D community.

We are looking for a Engineering Team Lead.
As an Engineering Team Lead, you are the technical anchor of a cross-functional product team.
Your mission is to cultivate a high-velocity engineering culture where end-to-end ownership is the norm and shipping to production multiple times a day is the standard.
Operating within a Product Operating Model, you will lead a team of engineers in a high-performing environment, empowering them to leverage a modern, diverse tech stack to solve complex problems.
Your goal is to build an engine of impact where innovation moves fast, quality remains high, and engineers are autonomous owners of their craft.
Key Responsibilities:
Delivery Management: Own the teams delivery lifecycle. You will drive predictable shipping cadence while managing technical debt and ensuring that velocity never comes at the expense of stability.
Team Leadership & Growth: Mentor and coach engineers at all levels, fostering their professional growth, conducting performance reviews, and building a cohesive, psychologically safe team environment.
Operational Excellence & Quality: Champion a culture of craftsmanship. Establish high standards for code quality, testing, monitoring, and incident response, ensuring your systems are robust, secure, and reliable.
Product Strategy & Discovery: Partner with Product and Design to lead Continuous Discovery, validating ideas quickly and ensuring the team builds solutions that drive measurable business outcomes.
Technical Direction: Guide the architectural vision and technical decision-making of the team, balancing immediate product needs with long-term system health and scalability.

Senior Backend Engineer - Server Core
Job Description
As a Senior Software Engineer in the Server Core team, you'll design and build scalable solutions for data storage and caching. In your day-to-day, you will:
Build and design datastore and cache solutions
Help, advise, and guide users to get the most out of our products
Work with internal infrastructure teams
Collaborate with external suppliers like AWS.

We are looking for a Backend Infrastructure Manager.
What Youll Do:
Lead and Mentor: Manage a team of talented developers, setting technical direction and providing mentorship to foster professional growth and inspire innovative solutions.
Confidential Computing Development: Drive key projects involving the design and deployment of confidential computing frameworks, setting the stage for the companys future security standards.
Innovative Strategy Implementation: Play a strategic role in influencing and advocating for the integration of new security technologies and protocols across our infrastructure.
C++ Development: Utilize your expertise in C++ to design robust, efficient, and secure software solutions that meet our high standards.
Collaboration and Knowledge Sharing: Work closely with cross-functional teams, leading workshops and presentations to share insights and innovations within the organization.
Production Issue Resolution: Tackle complex production and security challenges, developing robust solutions that enhance our overall operational security and performance.

We are looking for a Engineering Team Lead.
What Youll Do:
Lead and Mentor: Manage a team of talented developers, setting technical direction and providing mentorship to foster professional growth and inspire innovative solutions.
Infrastructure development: lead the development of components and building blocks that support scale, performance and variety of Network use cases
Platform orientation: Understand the broad range of requirements and work closely with several product teams to build teams roadmap
Collaboration and Knowledge Sharing: Work closely with cross-functional teams, leading workshops and presentations to share insights and innovations within the organization.
Production mindset: Maintaining highest level of availability of Network platform components .

We are looking for a Full Stack Engineer.
What Youll Do:
Design and implement scalable backend services and rich frontend experiences that power retail wallet products.
Own features across the stack: from architecture and design, through implementation and testing, to deployment and ongoing optimization.
Collaborate closely with Product, Design, and other engineering teams to deliver high-impact capabilities for retail customers.
Work with blockchain data and wallet flows to ensure reliable, performant, and secure behavior at scale.
Help evolve our architecture, observability, and engineering practices to support growing traffic, new blockchains, and new product offerings.
Contribute to a culture of quality, security, and collaboration through code reviews, documentation, and knowledge sharing.

we are looking for a Data Scientist to join our team.

The ideal candidate is a highly motivated and self-driven individual with strong analytical and problem-solving skills. The Data Scientist will be responsible for analyzing data and developing models to help inform decisions and strategies for new products and business initiatives.



Responsibilities:

Work closely with stakeholders to understand business requirements and develop predictive models to detect fraud.
Develop and implement statistical models, machine learning and deep learning algorithms to solve complex problems in a production environment.
Perform exploratory data analysis and data visualization to gain insights and communicate findings.
Collaborate with cross-functional teams, including data engineers and software developers, to design and implement end-to-end solutions that can be deployed in production.
Implement advanced analytics tools and technologies to enhance reporting capabilities.

Join the Blockchain Backend Infrastructure team and take a lead position in building and maintaining blockchain management platform.
In this role, youll be responsible for building Fireblock's cutting-edge blockchain infrastructure while implementing high-throughput and real-time scalable software solutions.
What You'll Do:
Implementing modern BE applications and infrastructure in a microservices architecture, utilizing the latest technologies and development practices.
Deep diving into the latest blockchain technology, and becoming an expert in the fundamentals, protocols, and features of the blockchains.
Collaborating effectively with other developers, engineers, and other roles while showcasing independent problem-solving abilities.
Ensuring that the platform remains at the forefront of blockchain technology!