דרושים » תוכנה » Senior Software Engineer - Research

our company, an AI-first company, is revolutionizing how visual content is created. With a mission to bridge the gap between imagination and creation, we are dedicated to bringing cutting-edge technology to the creative and business spaces.
Our advanced AI photo and video generation models, including our open-source LTXV model, power our apps and platforms including Facetune, Photoleap, Videoleap, and LTX Studio, allowing creators and brands to leverage the latest research breakthroughs, offering endless control over their creative potential. Our influencer marketing platforms, Popular Pays and Content Lab, provide influencers with the ability to scale their content and monetize their work, while offering brands opportunities to expand their reach through tailored creator partnerships.
Our ML Platform team is responsible for building our companys ML serving platform, which hosts all of the companys ML and Gen AI models. Our goal is to create streamlined processes to bring functional research code and AI models to production grade systems, where millions of our apps users enjoy this magic.
Your day-to-day job will involve
Lead the design and evolution of our ML Platform, partnering closely with DevOps, research, and product engineering teams to ensure it meets the current and future needs of our company.
Architect and implement reliable, scalable, and high-performance services that power the ML and GenAI experiences across our suite of products.
Drive technical strategy and roadmap for the platform, identifying opportunities for innovation, optimization, and automation.
Collaborate across teams to define platform capabilities and influence infrastructure direction based on product and organizational goals.
Mentor and guide engineers in the team, promoting a culture of technical excellence through code reviews, design discussions, and knowledge sharing.
Serve as a key technical leader in cross-functional initiatives, helping align teams on architecture, best practices, and long-term vision.

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:
As a Software Engineer, you’ll design, develop, and deploy robust software systems across our platform. You’ll have ownership of end-to-end projects, the autonomy to lead from idea to implementation, and the opportunity to work across product lines - from scalable APIs and secure infrastructure to machine learning. The role also brings unique engineering challenges shaped by regulatory and compliance requirements - pushing your creativity and technical capabilities.

Who You Are:

* A product-minded engineer who loves solving problems at scale
* Comfortable owning full systems - from architecture to deployment
* Passionate about writing clean, maintainable code with an eye on the end user
* A collaborative team player who mentors generously and learns continuously
* Curious, thoughtful, and excited by a fast-moving environment

What You’ll Actually Be Doing:

* Design, build, test, and deploy backend systems for high-scale financial applications
* Lead architecture reviews and drive decisions across technologies and platforms
* Write well-tested code and review peers’ work for quality and clarity
* Collaborate with Product, DevOps, and Security teams to deliver seamless experiences
* Own and improve development lifecycles including CI/CD, observability, and cloud automation
* Debug production issues and lead efforts to ensure system reliability and uptime
* Contribute to internal documentation and onboarding processes
* Participate in a Tier 2/3 on-call rotation to support business-critical systems

Why You’ll Love Working Here:
You’ll be part of a supportive, down-to-earth team that values collaboration, curiosity, and initiative. We foster a culture where engineers have real ownership and learning never stops. You’ll work on high-scale systems using cutting-edge tech, solving meaningful problems that power the future of fintech. Whether it’s building secure infrastructure, launching new products, or optimizing performance, you’ll see your impact every day.

Next Step:
Hit apply. You bring the talent; we’ll bring the challenge (and the snacks!)

Following the success of LTX-Video, our widely adopted open-source text-to-video model, we are expanding our efforts to develop cutting-edge video generation models and are hiring Research Scientists to join our LTX-Video Core team.
At our company, weve been at the forefront of innovation in text-to-image and text-to-video generation, with LTX-Video driving our flagship product, LTX Studio, and gaining significant traction in the research and open-source communities, including integrations with platforms like ComfyUI and Diffusers.
This role focuses on pioneering model architecture and pre-training algorithms, shaping the next generation of our foundational generative AI models.
What you will be doing
Pre-train and fine-tune video and image generative models to pursue state of the art results.
Publish papers and open-source models to benefit the research community and advance the field.
Design and implement machine learning models for text-to-video generation.
Collaborate with data engineers to curate and preprocess text and video data.
Optimize models for high performance, ensuring efficiency in training and inference phases.
Build new controls and capabilities into generative text-to-video models.
Stay updated with the latest developments in Generative AI, particularly in the field of image, video, and audio.
Work closely with product teams to integrate AI models into applications and services.
Conduct experiments and prototype new concepts to advance the capabilities of our AI tools.

We are At our company, 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 - were 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 generativeAI capabilities across our products and internal workflows. You will create scalable APIs, data pipelines, and serverless architectures that integrate largelanguagemodel (LLM) services such as Amazon Bedrock, OpenAI, and opensource models, enabling teams to safely and efficiently leverage generative AI.
Who You Are:

* You have experience building RetrievalAugmented Generation (RAG) systems or knowledgebase chatbots.
* You're Handson 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 costoptimization strategies for AI workloads.
* Background in microservices, domaindriven design, or eventsourcing patterns.
What Youll Actually Be Doing:

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

Why Youll Love Working Here:
Were a collaborative, humble, and fast-paced team that takes pride in building real solutions to real problems. Youll 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 DNAand were just getting started.
Next Step:
Hit Apply. Bring your AI vibes. Well bring the challenge - and the snacks.

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 seeking a Senior Application Security Engineer to be the go-to security expert for our software and blockchain engineering teams. In this high-impact role, you’ll embed security across the entire SDLC - from CI/CD pipelines to smart contracts—helping us build secure-by-design systems that power the future of fintech and digital assets. You’ll lead threat modeling, drive secure development practices, and automate guardrails that make security effortless for developers. As part of a collaborative security team, you’ll influence architecture, compliance, and innovation while protecting millions of users and billions in assets.

Who You Are:

* A proactive self-starter with deep expertise in application and cloud security
* Passionate about secure development and enabling engineers through thoughtful guardrails
* Clear and confident communicator who can influence across technical and non-technical teams
* Curious about emerging threats and excited by the challenges of blockchain security
* Committed to excellence, with a strong sense of ownership and a drive to build secure systems that scale

What You’ll Actually Be Doing:

* Integrate security tools (SAST, DAST, SCA, secret scanning) into CI/CD pipelines using GitHub Actions, Jenkins, and related DevOps tooling
* Lead threat modeling and secure architecture reviews for new features, APIs, and blockchain systems
* Conduct smart contract security reviews and advise on cryptographic and wallet security patterns
* Coordinate penetration tests, manage bug bounty reports, and track remediation through development teams
* Build reusable security components, libraries, and developer-friendly guardrails
* Deliver internal training, build a security champion network, and drive adoption of AppSec best practices
* Produce security metrics, documentation, and audit evidence to support FFIEC, PCI DSS, SOC 2 compliance
* Stay current on evolving threats in blockchain, DeFi, GenAI, and supply-chain ecosystems

Why You’ll Love Working Here:
You’ll help secure some of the most innovative products in fintech and crypto - while collaborating with brilliant, supportive teammates who care deeply about doing things the right way. Our security culture is proactive, collaborative, and continuously improving. You’ll have the autonomy to lead impactful initiatives, influence design from day one, and grow alongside a team that’s invested in modern tooling and professional development.

Next Step:
Hit Apply. Bring your AppSec mastery abilities. We’ll bring the challenge – and the snacks.

We are looking for a talented Software Developer to join our Algorithm Validation team.
In this temporary position, you will help develop and maintain cutting-edge tools for large-scale validation of autonomous driving algorithms, using the latest technologies in Python and web development.
What will your job look like:
Develop and maintain web-based validation tools and platforms, with a focus on React and modern front-end technologies.
Build scalable backend services in Python, integrating with internal systems and large data sources.
Take an active part in designing automated validation pipelines (including CI/CD) for algorithm testing.
Work closely with algorithm engineers, data analysts, and other developers to understand requirements and deliver robust solutions.
Troubleshoot, optimize, and improve validation infrastructure in a fast-paced, dynamic environment.

We are looking for an exceptional Software Embedded Integration Engineer.
Software Integrator team is responsible for the integration of the SW & HW solutions in our Embedded automotive platforms-
including the necessary HW bring-up, debug and configuration to achieve proper operation of the new SW and HW together.
What will your job look like:
Design and configure complex Ethernet networks, with high performance and low latency requirements, precise network clock sync, and detailed traffic segregation and security.
Write code and tools managing switches in those networks in modern C++
Write Python test scripts for that code.
Oversee version validation, trouble shoot issue in configuration and software, participate in cross teams work sessions.

We are looking for an exceptional Senior Network Software Engineer
Software Integrator team is responsible for the integration of the SW & HW solutions in our Embedded automotive platforms- including the necessary HW bring-up, debug and configuration to achieve proper operation of the new SW and HW together.
What will your job look like:
Design and configure complex Ethernet networks, with high performance and low latency requirements, precise network clock sync, and detailed traffic segregation and security.
Write code and tools managing switches in those networks in modern C++
Write Python test scripts for that code.
Oversee version validation, trouble shoot issue in configuration and software, participate in cross teams work sessions.

We are looking for an Integration and CI Engineer to help shape the future of autonomous driving. Join our dynamic team of talented engineers responsible for delivering cutting-edge Autonomous Vehicle (AV) applications, advanced control systems, and simulation environments that drive our groundbreaking L2+ to L4 autonomous platforms.
What will your job look like?
Manage version releases and ensure timely delivery of AV products to stakeholders
Utilize Git and GitLab for version control to manage and track changes in the software development lifecycle
Collaborate with developers to integrate software components into a cohesive whole
Analyze source code and test scenarios to identify, prioritize, and resolve integration issues
Debug issues in the production platforms, which may involve multiple domains
Build robust CI solutions utilizing Git, GitLab, Python, Shell scripting, Jenkins, and Docker
Develop and maintain scripts and pipelines for diverse development and validation teams
Contribute to the enhancement and development of our AV infrastructure and core code.