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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.

Were looking for someone who has the customer in mind, in terms of deployment frequency, dependable releases, and in close alignment with business objectives. The goal is to reduce the time between committing changes, updates, and product launches in normal production while maintaining the highest standards possible.

Role

Provisioning, managing and improving our AWS cloud infrastructure - EKS/Kubernetes clusters, EC2 instances, CloudFront, Serverless apps & more
Design, build, and maintain CI/CD pipelines, using code, configuration, build, deploy, and monitoring tools
Troubleshoot large applications You need to know what to do when something complex breaks down
Code OK- We don't just operate tools, we build new tools too
Work closely with developers in design and supporting new features, services and troubleshoot problems
Apply, integrate and improve open source tools to extend operations capabilities and efficiency
Find your way around the HTTP/TCP stack

As the DevOps Tech Lead, youll be responsible for designing, implementing, and evolving our infrastructure and delivery pipelines while leading a team of talented DevOps engineers. Youll collaborate closely with development, product, and operations teams to ensure efficient, secure, and high-quality releases aligned with business goals.

Role

Lead and mentor a team of DevOps engineers, guiding best practices in automation, reliability, and cloud infrastructure.
Architect, provision, and manage AWS cloud infrastructure, including EKS/Kubernetes clusters, EC2 instances, CloudFront, and serverless applications.
Design, build, and optimize CI/CD pipelines to enable fast, safe, and repeatable delivery.
Collaborate cross-functionally with R&D teams to design scalable systems, troubleshoot complex issues, and support new product initiatives.
Champion Infrastructure as Code principles using tools like Terraform and CloudFormation.
Drive observability and reliability through monitoring, logging, and alerting systems (Prometheus, Grafana, ELK, etc.).
Foster innovation and continuous improvement, adopting new tools and practices to increase efficiency, scalability, and cost optimization.
Contribute to hands-on coding and automation efforts when needed lead by example.
Partner with stakeholders to align DevOps initiatives with business objectives, including uptime, deployment velocity, and cost efficiency.

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.

Were looking for an experienced Product Data Analyst to join the team and play a critical role in shaping our product through data-driven insights. In this role, youll collaborate closely with product managers, engineers, designers, Customer Success, and other cross-functional stakeholders to understand how customers interact with our product and how we can continuously improve their experience.
You will take ownership of data for key product domains, establishing meaningful success metrics, analyzing feature adoption and performance, and delivering insights that directly influence the product roadmap.
Your work will empower smarter product decisions and help deliver tangible value to our clients. This role offers a unique opportunity to influence the evolution of a leading experience-optimization platform, enabling some of the worlds top brands to deliver personalized, data-informed digital experiences at scale.

Role
Collaborate with product managers to define, refine, and lead KPIs and success metrics aligned with product goals. Support planning, feature evaluation, and post-launch performance reviews to ensure data-driven, measurable product decisions
Analyze user behavior and product usage through quantitative methods to identify pain points, uncover trends, and measure feature adoption to inform product strategy and improvement
Develop and maintain dashboards and reports that provide product and business stakeholders with timely, actionable insights, ensuring key metrics are accessible and accurately reflect performance across product initiatives
Contribute to the development and upkeep of data models and support the maintenance of scalable, reliable ELT pipelines. Play a key role in shaping the underlying data infrastructure that drives analytics across product and business functions
Monitor KPIs and drive continuous efficiency improvements

This role involves working with a team of talented developers to develop high performance Java based solutions. In this role, you will be responsible for:
Design and implementation of innovative capabilities.
Work as part of an agile team.
Work closely with technical leads and other developers to define solutions.
Research alternative technical solutions to meet changing business needs.
Produce design and research documentation.
Transitioning R&D solutions to Mastercard core.