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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 are looking for a backend engineer who can design, build, and operate highly reliable Node.js services on AWS that enable generative?AI capabilities across our products and internal workflows. You will create scalable APIs, data pipelines, and serverless architectures that integrate large?language?model (LLM) services such as Amazon Bedrock, OpenAI, and open?source models, enabling teams to safely and efficiently leverage generative AI.

Who You Are:

* You have experience building Retrieval?Augmented Generation (RAG) systems or knowledge?base chatbots.
* You're Hands?on with vector databases such as Pinecone, Chroma, or pgvector on Postgres/Aurora.
* Have AWS certification (Developer, Solutions Architect, or Machine Learning Specialty).
* Experience with observability tooling (Datadog, New Relic) and cost?optimization strategies for AI workloads.
* Background in microservices, domain?driven design, or event?sourcing patterns.

What You’ll Actually Be Doing:

* Design and implement REST/GraphQL APIs in Node.js/TypeScript to serve generative?AI features such as chat, summarization, and content generation.
* Build and maintain AWS?native architectures using Lambda, API Gateway, ECS/Fargate, DynamoDB, S3, and Step Functions.
* Integrate and orchestrate LLM services (Amazon Bedrock, OpenAI, self?hosted models) and vector databases (Amazon Aurora pgvector, Pinecone, Chroma) to power Retrieval?Augmented Generation (RAG) pipelines.
* Create secure, observable, and cost?efficient infrastructure as code (CDK/Terraform) and automate CI/CD with GitHub Actions or AWS CodePipeline.
* Implement monitoring, tracing, and logging (CloudWatch, X?Ray, OpenTelemetry) to track latency, cost, and output quality of AI endpoints.
* Collaborate with ML engineers, product managers, and front?end teams in agile sprints; participate in design reviews and knowledge?sharing sessions.
* Establish best practices for prompt engineering, model evaluation, and data governance to ensure responsible AI usage.


Why You’ll Love Working Here:
We’re a collaborative, humble, and fast-paced team that takes pride in building real solutions to real problems. You’ll work on meaningful products that empower businesses and people, alongside curious, supportive teammates who are always up for a challenge. Innovation and ownership are part of our DNA—and we’re just getting started.

Next Step:
Hit Apply. Bring your AI vibes. We’ll bring the challenge - and the snacks.

Required Technical Writing Expert
Role Description
What we are looking for:
As a Technical Writer in our Customer Service Department, you will be expected to develop complex technical documents, ensuring that our products are used safely and effectively.
The ideal candidate will have a strong background in technical writing, researching, and interviewing. They must demonstrate excellent communication skills and the ability to collaborate effectively within a team and must be able to translate complex technical information into clear, concise, and user-friendly documentation. If you are passionate about technology and enjoy making technical content accessible, we want to hear from you!
Responsibilities
What will you be doing:
Collaborate with developers, QA engineers, product experts, and product and project managers to prepare technical documentation that communicates complex, technical information clearly and concisely, for the intended audience (customers, FSE, engineers, integrators, subcontractors, etc.).
Develop and update the following types of documentation for hardware and software products: User Manuals, Installation Guides, Preventive Maintenance Manuals, Service Manuals, Release Notes, Technical Field Orders, Technical Notes, Customer Notifications, and online help for our product lines.
Support all Customer Support TTS (Transfer-to-Service) activities, as well as documentation activities from other departments worldwide.
Work according to predefined styles.
Create relevant graphics for documentation.
Publish document updates to the Technical Knowledge Center.

We are looking for the best to join us as we expand our groundbreaking journey.
We are confident that your unique skillset, perspective, and passion, encouraged and inspired by our wealth of technology, research and expertise in these fields will be the driving force needed to continue being an industry spearhead for many years to come.

We are interested in welcoming an experienced Project Manager to join our diligent team.
The successful candidate will have excellent leadership skills and the ability to assemble and manage a talented, efficient team.
Responsibilities and tasks include:
Form and lead the project team in a matrix organization, inspiring team members to solve complex problems
Organizing and controlling the project along its pipeline
Making necessary operational decisions to ensure successful achievement of project targets
Becoming an authority on all matters related to the project
Change/Risk management of project
Ability to implement project KPIs on time and at cost
Ensuring project quality according to ISO 16949

We are interested in welcoming an extremely motivated, experienced, Technical Writer to join our teams at our R&D site. A great and trusted team player, with attention to detail and appreciation of technologies, capable of explaining abstract ideas, and translating complex information into comprehensible documentation. An open minded and creative personality, eager to contribute, learn, and be inspired by groundbreaking projects.
In your role, you will be responsible for:
Writing, editing, and reviewing technical content including installation manuals, tutorials, quick guides, etc.
Collaborate with R&D, Marketing Department, and Legal, to create marketing materials such as whitepapers, company memorandums, and presentations.

We are interested in welcoming an extremely motivated, experienced, Technical Writer to join our teams at our R&D site. A great and trusted team player, with attention to detail and appreciation of technologies, capable of explaining abstract ideas, and translating complex information into comprehensible documentation. An open minded and creative personality, eager to contribute, learn, and be inspired by groundbreaking projects.
In your role, you will be responsible for:
Writing, editing, and reviewing technical content including installation manuals, tutorials, quick guides, etc.
Collaborate with R&D, Marketing Department, and Legal, to create marketing materials such as whitepapers, company memorandums, and presentations.

we are seeking to hire an excellent Firmware Engineer to join the GPU networking (NVLink) FW group in Tel-Aviv / Raanana. You will have the opportunity to take part in designing, implementing, and driving major development firmware features, delivering the next-generation GPU networking products.
We drive the data growth of the worlds biggest companies. With dedicated engineers around the globe, the work environment is dynamic, exciting, and fast-paced. Are you ready for the challenge?
What you will be doing:
Design and implement new features in the core of our company GPU firmware.
Collaborate with architecture and different software design teams throughout the software development lifecycle.
Work in Pre & Post-silicon development environments of next-generation our companyGPU products.
Gain a deep understanding of system debugging, networking technology, and stacks, as well as the HW/FW/SW relationship.
Innovate! Bring our companys FW switching products to shine in customers view.
Collaborate with other company R&D teams around the globe.

we are seeking a dedicated NVLink Firmware Architect to join our esteemed engineering team in Israel. This is an outstanding opportunity to impact the future of data centers and networking technology. As a key member of our team, you will play a crucial role in developing and crafting our NVLink firmware stack and GPU scale-up networking. Our collaborative environment, combined with ambitious goals, will enable you to collaborate closely with ASIC and software architecture/design teams to pioneer innovative solutions.
What you'll be doing:
Collaborating with a team of innovative engineers to craft new networking applications that address sophisticated problems in groundbreaking ways.
Identifying and evaluating new technologies, innovations, and partner relationships to align with our strategic technology roadmap and enhance business value.
Defining the architecture of NVLink firmware running on GPUs and switches, ensuring flawless integration and performance.
Helping to determine and implement the strategic vision for our company networking alongside adjacent software and hardware architects.

we are looking for best-in-class Physical Design Engineers to join our outstanding Networking Silicon Engineering team, developing the industry's best high-speed communication devices, delivering the highest throughput and lowest latency! Come and take a part in designing our groundbreaking and innovating chips, enjoy working in a meaningful, growing and highly professional environment where you make a significant impact in a technology-focused company.
What you'll be doing:
Physical design of blocks according to specifications under challenging constraints targeting for the best power, area, and performance.
Be exposed and work on a variety of challenging designs (including high cell count and HS blocks). Resolving complex timing and congestion problems.
Daily work involves all aspects of physical design chip development (RTL2GDS) - synthesis, power and clock distribution, place and route, timing closure, power and noise analysis, and physical verification.
Taking part in flows development.

We are looking for talented engineers to be part of developing the semiconductor platform which is based on revolutionary architecture.
Take part in the development of cutting edge products within disruptive system architecture. Youll have the opportunity to work on the technologies that power the worlds largest Cloud provider, within a dynamic, open, and fast-paced environment. Our Web Services provides a highly reliable, scalable, low-cost infrastructure platform in the cloud that powers hundreds of thousands of businesses in 190 countries around the world.
A challenging job in an innovative environment. Test strategy and advanced solution development.
Covering test development of SoC devices from the test concept & methodology phase through the ramp-up of the test solution (hardware and software), all the way to volume production.
Creating test programs and special tests for debug, characterization, and optimization towards mass production. Lead characterization efforts, production optimization and follow-up. Cooperation with design, hardware and software teams
Key job responsibilities:
Expert problem solving, multi-tasking and prioritization ability
Ability to drive projects to full execution
Strong presentation and interpersonal skills
Self-Learner and a great teammate
Project Management skills.

Required Firmware SW Development Engineer, AWS Elastic Network Adapter Firmware team
Key job responsibilities
Working for Annapurna Labs is thrilling, fast-paced, and a constant learning experience. As an ENA Firmware SW development engineer, you will be responsible for developing features for Annapurna Labs next-generation hardware, to enable high network bandwidth and packets-per-seconds (PPS) performance, with consistently low latency. You will work to bring up a broad selection of instance types, optimized for various use cases, to suit each of our customers needs, such as varying combinations of CPU, memory, storage, and networking capabilities. As an ENA Firmware SW development engineer, you will play a key role in shaping architecture definitions and SW system designs, and help to resolve complex customer issues. You will continuously evolve technically, while working to monitor AWS cloud health, maintain high quality standards, develop highly-optimized code, and provide exceptional customer satisfaction.