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Who We Are At Cross River, we're building the financial infrastructure that powers global innovation. With our cutting-edge suite of embedded payments, cards, and lending solutions, we enable millions of businesses and consumers to transact seamlessly and securely. With 900+ employees worldwide and an R&D center of over 160 employees in Jerusalem - we’re reshaping how financial technology is developed and delivered.

The Role:
We’re looking for a skilled and curious Back End Developer to join our growing engineering team. In this role, you'll architect and build reliable, scalable services that power mission-critical fintech products - from payments and lending to compliance and blockchain. You'll collaborate closely with product, DevOps, and front-end engineers to design robust APIs, implement clean data flows, and solve complex performance challenges. Your work will shape how money moves securely across our infrastructure and directly support millions of users. This is a great opportunity to drive meaningful impact while learning and growing within a highly supportive and technical team.

Who You Are:

* A thoughtful engineer who balances technical excellence with product impact
* Comfortable across the full stack, with strong backend expertise and frontend awareness
* Detail-oriented and passionate about clean, scalable, and well-tested code
* Excited to collaborate and share your knowledge across teams
* Motivated by ownership, mentoring others, and building features that users love

What You’ll Actually Be Doing:

* Design, develop, and deliver scalable software modules and components
* Build backend systems using .NET, DotNet 6.0, SQL Server, RabbitMQ, Docker and AWS
* Plan, triage, and prioritize work across multiple priorities
* Share your knowledge with teammates and help mentor and guide partners

Why You’ll Love Working Here:

* Flexible hybrid model: 3 days a week in the office – A must
* ₪1,000 net monthly wellness benefit – from therapy to Pilates to your kid’s art class
* Full Keren Hishtalmut, private health & dental insurance
* Donation matching, volunteering days, team outings, and mentorship programs
* A mission-driven culture that values ownership, trust, and meaningful impact

Next Step:
Hit Apply!

In your role as a SW Engineer Storage Algorithms Group, you will assume full responsibility for the development of storage-related tools and internal applications that benefit multiple teams within the group. You will be in charge of the full development cycle, including mapping customer needs, SW architecture design, coding, deployment and ongoing support.
Description
A unique opportunity to lead a multi-faceted SW development operation that impacts a productization path of massive scale.
Responsibilities
Develop tailored tools and internal applications based on customer needs
Provide unique solutions based on a deep understanding of the SSD physical layer
Initiate innovative processes and methodologies to increase the groups efficiency
Architect and implement behavioral simulators modeling SSD components and physical-layer behavior

Work cross-functionally with silicon, hardware, and software teams to help deliver surprise and delight in our latest products while enabling system development and stability. This role requires the technical depth and expertise to understand how things work from the user interface down to the state transitions of each hardware block. This insight is instrumental to drive hardware build readiness, system stability in the pre-silicon and NPI phase, and convey the overall system stability impact to engineering teams with potential solutions for optimization. Strong problem-solving skills and effective communication are critical for success in this role.
Responsibilities
In this role, you will constantly be challenged to learn about how Apples latest features and technologies work and collaborate with teams to enable this exceptional technology across the Software/Hardware/Silicon organizations. We work with teams to help them identify focus areas, run experiments, analyze data, and develop tools to help achieve efficiency while maintaining a great user experience.
Description:
Work cross-functionally with silicon, hardware, and software teams to help deliver surprise and delight in our latest products while enabling system development and stability. This role requires the technical depth and expertise to understand how things work from the user interface down to the state transitions of each hardware block.
This insight is instrumental to drive hardware build readiness, system stability in the pre-silicon and NPI phase, and convey the overall system stability impact to engineering teams with potential solutions for optimization.

This role involves a continuous commitment to quality assurance, encompassing the maintenance and expansion of our essential test tools. A key responsibility is the thorough testing of new features alongside comprehensive regression testing to safeguard existing functionality. You will have the opportunity to analyze and isolate issues across a multitude of software components, ensuring swift and accurate problem resolution.
Responsibilities
Testing of new features and regression testing.
Lab Management, including maintaining/expanding test tools and device clusters.
Analyzing and isolating issues across many software components.
Acceptance and integration testing on daily builds of software.
Using our products as a customer to ensure they are of the highest possible quality.
Testing of hardware and firmware, including manual testing, management of automated tests, and debugging of lab failures.
What You'll Work On
Execute automated and manual testing for software updates across Apple's product line
Ensure software updates work seamlessly across different Apple devices and configurations
Develop comprehensive testing strategies to catch issues before updates reach customers

We are looking for a Business Application Engineer to join our fast-growing team. In this role, you will build the internal systems, automations, and integrations that power the companys analytical and operational workflows. You will play a key part in enabling our teams to move faster, make better decisions, and scale their impact - all while contributing to a mission that improves the lives of millions.
If you are highly motivated, detail-oriented, and eager to leverage technology to solve real problems, this role is for you. Youre a team player, open-minded and collaborative, and you know how to turn ideas into working solutions. You embrace ownership, move quickly, and are excited to help shape the systems that drive us forward.
Responsibilities:
Design, build, and maintain internal tools, automations, and integrations that streamline workflows across data, legal, and operational teams.
Collaborate closely with analysts, product stakeholders, and legal data teams to understand their needs and translate them into scalable technical solutions.
Ensure system reliability, data integrity, and smooth information flow across internal platforms and APIs.
Develop backend logic and automation scripts that support high-quality, efficient internal applications.
Leverage AI tools and advanced prompting techniques to enhance automation, enrichment, and user experience.
Document system behavior, maintain internal tooling standards, and continuously improve performance, stability, and usability.
Stay up to date with emerging internal tools frameworks, automation practices, and AI-driven development approaches to keep us operating at the cutting edge.

As a Senior Software Engineer within the Platform Infrastructure group, you will architect and develop the foundational Platform that powers all existing and future products. You will tackle the most complex, high-impact engineering challenges that span the entire stack- from low-level system configuration to distributed backend applications. Joining a global team, you will act as a technical lighthouse, conducting deep-dive research and resolving intricate performance and architectural issues that others cannot.

Responsibilities
Architect & Develop: Design and implement scalable, fault-tolerant backend services and infrastructure tools using Python, Docker, and Linux.
Deep-Dive Research: Act as the final escalation point for the R&D organization, diagnosing and resolving complex, ambiguous system-wide performance issues and "unsolvable" bugs.
Platform Innovation: Build long-term infrastructure solutions and internal tools to improve R&D efficiency and prevent recurring technical debt.
Technical Leadership: Drive architectural decisions using telemetry data and collaborate across global teams to coordinate cross-functional engineering efforts.

The Senior Software Engineer will join the Correlation team within the platform group, focusing on developing and enhancing the patented, proprietary correlation engine. This critical backend role involves leading the research, design, and implementation of algorithms and infrastructure central to the platforms high-scalability data capabilities. The teams mission is to drive innovation in cybersecurity asset management by fortifying the platform's core data intelligence.

Responsibilities
Lead the end-to-end implementation and architecture of core platform technologies, specifically the proprietary correlation engine.
Conduct hands-on research and Proofs of Concept (POCs) to solve complex engineering challenges and inform algorithm design.
Implement engineering efforts focused on achieving and maintaining high scalability and performance within the distributed backend architecture.
Establish and contribute best practices and architectural leadership to the development of backend applications.

The Data Collection team is responsible for essential security components, including the Collector, Cyshark, and Collector Gateway. Our mission is to develop and maintain high-performance, deep packet inspection software. This critical software operates across customer sites and cloud endpoints globally, ensuring secure data acquisition from all servers. We are a Rust-focused team committed to designing scalable, production-ready systems.

Responsibilities
Develop high-performance deep packet inspection software for deployment at customer sites and cloud data endpoints.
Design and lead the development of new feature sets and architectural changes for core data collection components.
Take systems from development through to production, focusing on performance, and ensuring ongoing maintenance.
Apply expertise in Rust development to implement solutions with strict attention to system performance.

We are looking for an Algo-Dev Engineer to join one of our research teams. You will be working closely with our researchers, assisting them in achieving their research objective while developing tools and optimizing models in both offline and online environments.
Areas of responsibility include data-handling, deep dive into algo code, design, implementation, and deployment of technologies designed to enable innovative algo-trading projects and support existing and ongoing initiatives.
In this role you will :
Contribute to the continuous evolution and optimization of our internal deep algorithms, bridging the gap between theoretical research and production-ready implementations

We are searching for a Software Engineer to join our digital assets group, a group within tasked with creating solutions for digital assets trading and management. You will be part of a strong and dynamic team of experienced developers and researchers that together develop and maintain all elements of the trading infrastructure, while using cutting edge technologies to overcome our unique trading challenges.
We write almost all of our tools in the Rust programming language for superior performance and safety.
The role focuses on developing and maintaining an in-house platform that manages, controls and monitors our ever-growing set of tools and applications. The tools you will write and maintain have challenging requirements on all fronts - performance, resilience, correctness and more.
In this role you can expect to challenge yourself daily and be creative to solve difficult technical problems in a fast-paced and energetic environment, while exposed to a wide range of technologies and challenging problems which require high availability, high-throughput, and latency-sensitive solutions in a cloud environment.

Required Software Engineer
Position Overview:
As a Senior Software Developer, your daily mission involves designing and developing advanced capabilities to extract digital evidence from modern Android and iOS devices. You will tackle some of the toughest security protections such as PAC, Secure Elements, Code Signing, Hypervisors, and more. Working in the heart of the Digital Intelligence Labs group, you will contribute to productizing world-unique capabilities that enable law enforcement and private sector customers to conduct legally sanctioned digital investigations effectively and securely.
This role requires a combination of deep technical knowledge, creativity, and persistence to solve complex problems while collaborating closely with top researchers and engineers. Your work will have a direct impact on investigations that save lives and uphold justice globally.
Key Responsibilities:
Lead and contribute to the development of new access and extraction technologies for iOS platforms.
Develop robust system-level software in and Python, C, C++.
Take part of developing our next solution.
Collaborate with cross-functional teams to design, test, and integrate new capabilities into our Digital Intelligence platform.
Stay current with emerging mobile security technologies and forensic challenges.
Share knowledge and best practices within the team to elevate overall engineering quality.

Distributed Systems engineers implement and run in production the foundational platforms powering our applications. Your data pipelines will ingest, store, analyze and query in real-time billions of events per second from companies all over the globe. The platforms are optimized for durability, high availability, low latency, internet-scale footprint and operability.

What Youll Do:
Build fault-tolerant, horizontally scalable solutions running in multi-tenant environments.
Write in Go, Java, Rust or C++, amongst other languages.
Use Kafka, Redis, Cassandra, Elasticsearch and other open-source components.
Own meaningful parts of our service, have an impact, grow with the company.

We are looking for talented senior developer, with a vast Python knowledge, some reversing skills(arm advantage), high motivation and learning desire, to join the industrys leading digital intelligence Security Research Labs group. As a senior exploit engineer in our team.
Key responsibilities:
Bring to life new products and improve our existing solutions.
Work daily with our researchers to try and find new products.
Become a member of Labs Group, focusing on Exploit Engineering for IOS devices.
Be a key part in the quality of top of the line iOS research.
Collaborate with a team of passionate developers dedicated to solving modern digital intelligence challenges, years ahead of others in the industry.
Take part in world-class research results, assisting law enforcement by enabling lawful evidence extraction, and putting criminals behind bars every day.

As a System Analyst, you will play a pivotal role in our Product & Operation group Interactive.
This is an outstanding opportunity for a technically skilled and analytically driven individual to bridge product strategy and technical execution.
You will work closely with cross-functional teams to analyze, model, and define software systems that scale and perform under the demands of our global aggregation platform.
Join us in crafting the future of the iGaming industry by contributing to the logical architecture, data flow, and integration build that power world-class gaming experiences!
What You'll Do:
Collaborate with Product Managers, Architects, and developers to break down requirements into actionable, high-fidelity system specifications.
Define and detail high-level system design and interactions across client applications, services, and integrations.
Build and maintain logical component models, module interaction diagrams, and data flow diagrams (DFDs), including process flow or UML diagrams.
Build and manage logical data models (ER diagrams) and data dictionaries to describe entities, relationships, and data flow between modules.
Define UI screen flows and navigation logic at a logical level, including optional mockups or wireframes to aid clarity.
Invent and document security layers including authentication and authorization flows, and access control models.
Lead the logical integration build for internal modules and external systems-documenting APIs, data contracts, and integration touchpoints.
Maintain a clear traceability matrix between business requirements, system behavior, and functional specifications.
Lead grooming and system analysis workshops with development teams, ensuring alignment with architecture and solution vision.
Evaluate system impact for feature improvements, changes, or third-party integrations, and document interdependencies and trade-offs.
Support QA teams and UAT processes by clarifying system behavior and data expectations.