Senior Software Engineer - Agentic Platform

Description

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 Senior 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 
• Build and evolve the platform that lets teams create, evaluate, deploy, and operate agent-based systems, and bring coding agents into daily engineering work. 

Requirements

What You Bring to the Table 

• 7+ years of experience in software development 
• Deep experience in at least one OOP language (e.g., Python, C#) 
• Experience with cloud-native environments and containerization (Docker, Kubernetes). 
• Familiarity with scalable architecture, distributed systems, and performance optimization 
• Strong understanding of testing strategies, code quality, and security best practices 
• Fluent in English and Hebrew - written and verbal 
• Experience with fintech, global teams, or scaling SaaS - Bonus 
• Bachelor’s degree in computer science or equivalent experience 
• Hands-on experience with LLM or agent systems (tool use, orchestration, evaluating non-deterministic behavior). 
• Plus: Hands-on AWS experience with identity and access management. 

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!

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