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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

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

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.

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.

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 seeking a Director of Technical Program Management to elevate delivery excellence, operational strategy, and continuous improvement across Product and Engineering. In this role, you will drive predictability, transparency, and organizational efficiency while leading a global TPM team (three in Israel and one in Lisbon). You will partner closely with Product and Engineering leadership to shape scalable processes, accelerate execution, and ensure teams consistently deliver impactful, high-quality outcomes.

Role
Drive Program Strategy and Cross-Functional Alignment
o Lead program strategy, planning, and execution to ensure predictable, high-quality delivery.
o Define and optimize cross-functional processes that strengthen alignment between Product and Engineering.
o Resolve operational bottlenecks and ensure clear documentation and knowledge management.
Lead and Develop the TPM Organization
o Manage and mentor a global TPM team, providing clarity, accountability, and professional growth.
o Ensure TPMs act as strategic partners to Product, Engineering, and cross-functional leadership.
Lead Operational Excellence and Data-Driven Improvement
o Own the operational data strategy, establishing KPIs for delivery health, efficiency, and quality.
o Partner with analytics to build dashboards and insights that inform prioritization and strategic decision-making.
o Identify opportunities for process improvement and lead initiatives that enhance execution velocity and effectiveness.
Build Enablement, Continuous Improvement, and Organizational Capability
o Promote a culture of learning, continuous improvement, and best-practice sharing across teams.
o Lead retrospectives, feedback loops, and tooling improvements, including AI-driven solutions, to enhance organizational performance.
o Develop and deliver training, onboarding, and enablement programs that support adoption of scalable processes and data-informed practices.
o Advocate strong communication, effective decision-making, and operational excellence across the organization.

As a Senior Product Designer, you will work hand-in-hand with Product and R&D in an iterative, fast-paced development environment, helping shape an enterprise-grade suite of cybersecurity products.
As a Senior Product Designer, you will:
Lead end-to-end design of product featuresfrom early discovery and research to high-fidelity designs and implementation
Translate complex use cases into user-friendly, valuable solutions based on best practices
Collaborate closely with Product Managers, Engineers, and QA to define product strategy, shape the user experience, and ensure high-quality implementation
Use data, research, and user empathy to inform design decisions and iterate effectively
Create and maintain high-quality, scalable design deliverables in Figma
Develop wireframes, prototypes, visual designs, and interaction specs that clearly communicate design intent
Ensure visual and interaction consistency across the product by contributing to and maintaining our UX Design System
Support a strong, inclusive design culture through peer feedback and collaboration
Manage multiple projects and competing priorities in a fast-paced environment

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!

We are looking for a Backend Engineer to join our Data Engineering team and develop backend components and data-oriented infrastructure for large-scale data processing.

In this role, you will develop infrastructure that enables the generation and evolution of data entities and their reliable distribution across internal systems.

You will work closely with Data Science and Backend core teams to build scalable, cost-efficient, production-grade solutions in a data-heavy environment.



What you will do

Design and implement infrastructure that supports high-volume data processing
Continuously optimize performance, cost, and reliability at scale
Collaborate with Data Science and Backend core teams to define data contracts, interfaces, and integration patterns
Maintain high engineering standards testing, observability, clean code, CI/CD fundamentals

we are hiring a Senior Backend Engineer to join the Platform Team in Tel Aviv-Yafo, Israel.
The Platform Team is dedicated to developing mobile platform, delivering a reliable, fast, and secure experience for mobile users.
What You'll Do:
Lead the backend development of the new mobile application.
Design, implement, and maintain high-performance microservices that support low-latency and high-throughput operations.
Develop and optimize mobile API to ensure a seamless and scalable experience for our mobile users.
Collaborate with cross-functional teams to design systems that meet operational and business goals.
Research and implement cloud-native architectures to support ongoing growth and scalability.

As a backend developer , you will work with a team of highly curious and innovative professionals. You will be responsible for developing core services and APIs that handle high volumes of real-time traffic and meet strict SLA response times. Your role will involve complex data processing, aggregation, and research of big data.



While experience in ML/DS is not a requirement, familiarity with ML-based architectures, model deployment, or data-driven decision-making will be considered a strong advantage