לוח משרות דרושים מתכנת Python בירושלים

The Cloud team of the Development Infrastructure (DI) department is responsible for our company's Cloud infrastructure on AWS and Google Cloud. We develop mainly in Python, and some Golang. We are developing highly efficient systems for the company, running on up to 700K CPUs, processing hundreds of Petabytes of data monthly collected from all the over the world. We also provide networking, security, governance, support and guidance for all of our company's diverse uses of AWS across tens of AWS accounts, including AWS China. 
What will your job look like?
Take part in the design, development, deployment, and maintenance of our company's main cloud systems: Backend and python packages
Hyper-scale batch processing framework, spinning up hundreds of thousands of parallel computation CPU
Ssystems to ingest, store and manage data from cameras and other sensors, of exceptional volumes - 100 PB and more
Collaborate with different groups in our company, including Algorithms, Software and Validation
Deliver a high quality product, fully developed by our team Work with highly experienced developers, architects and AWS experts.
Work tightly with AWS teams, bringing their services to the edge - S3, EC2, Spot, EBS, ECS, Batch, DynamoDB, CW
Build systems and tools using AWS Lambda, RDS, CloudFormation/Terraform and moreSee your product being used by hundreds of users, where every improvement, optimization and new feature can be critical to the development of autonomous vehicles and car safety systems.

You will be part of the company's Autonomous Vehicle projects which is responsible for delivering high-quality AV (Autonomous Vehicles Systems) products. The Product Validation department is developing a modular CI process to support a complex variety of car models. We are precepting the complex system as a whole and are the first point of contact between the software to the hardware. As an infrastructure developer, you will be interacting with the team members as well as with most of our company's departments, to develop state-of-the-art software infrastructure based on a thorough understanding of product behavior.
What your job will look like?
Be a part of the automation and CI infrastructure team.
Develop a software infrastructure to allow the development of automated tests for the autonomous vehicle lab.
Work on a variety of aspects of the autonomous vehicle.
Work in a multi-tasked, dynamic, and diversified environment.
Have responsibility and impact over the autonomous vehicle.
Work closely with other development and validation team members.
Improve and maintain the CI/CD infrastructure.

We are looking for a Mid-Level Back-End Engineer.
As a Software Engineer, youll design, develop, and deploy robust software systems across our platform. Youll 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.

We are looking for a Senior Back-End Engineer.
As a Senior Software Engineer, youll design, develop, and deploy robust software systems across our platform. Youll 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.

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.