AI Senior Backend Engineer

• Architect, develop, and deploy tailored AI systems and applications from the ground up to solve organizational challenges.
• Identify process bottlenecks across different teams and design robust backend automation solutions to optimize daily workflows.
• Lead the hands-on integration of modern Generative AI models, APIs, and frameworks into the company's internal infrastructure.
• Build scalable, high-performance backend microservices and APIs to support heavy data processing and AI workloads.
• Act as the technical AI focal point, partnering closely with internal stakeholders and department heads to gather requirements and deliver high-impact technological solutions.
• Collaborate with product, DevOps, and other teams to ensure that AI solutions are aligned with user needs and business goals.

• 8+ Years of hands-on Backend Software engineering experience.
• Proven experience building LLM-powered applications, AI agents, or generative AI systems using modern AI frameworks.
• Fluent in Python.
• Familiar with cloud-native technologies (AWS, Docker, Kubernetes)
• Demonstrated ability to design, build, and deploy secure backend systems and architectures entirely from scratch.
• Self-driven and comfortable operating in a fast-paced environment — you don't wait to be told what to do next.
• Strong collaborator with clear communication skills; you thrive in diverse, cross-functional teams.
• Hands-on experience with multi-agent architectures or agentic evaluation frameworks.
• Experience in high-scale cloud-native distributed systems.
• B.Sc. in Computer Science or equivalent practical experience.

Our Team

Pagaya was founded in 2016 by seasoned research, finance, and technology entrepreneurs, and we are now 500+ strong in New York, Los Angeles, and Tel Aviv.

We move fast and smart, identifying new opportunities and building end-to-end solutions from AI models and unique data sources. Every Pagaya team member is solving new and exciting challenges every day in a culture based on partnership, collaboration, and community.

Join a team of builders who are working every day to enable better outcomes for our partners and their customers.

Our Values

Our values are at the heart of everything we do. We believe great solutions are built through a great community.

• Advance Inclusion- We create a world where everyone can win, designing systems that better represent people and generate sustainable value for our employees, partners and investors.
• Be Accountable Together- We proudly own our actions and our results, taking initiative to ensure our work gets over the finish line as a team.
• Continuously Learn- We challenge ourselves for the sake of getting better as individuals, as teams, and as an organization to deliver for our partners.
• Debate and Commit- We respectfully and openly debate to strengthen our ideas and build shared conviction - once we decide, we go all in, together.
• Dream Big and Act- We boldly tackle complex problems, pressure-test solutions in real-time, and adapt with speed and energy.

More than just a job

We believe health, happiness, and productivity go hand-in-hand. That's why we're continually looking to enhance the ways we support you with benefits programs and perks that allow every Pagayan to do the best work of their life.

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Pagaya is a global technology company making life-changing financial products and services available to more people nationwide, as it reshapes the financial services ecosystem. By using machine learning, a vast data network and a sophisticated AI-driven approach, Pagaya provides comprehensive consumer credit and residential real estate solutions for its partners, their customers, and investors. Its proprietary API and capital solutions integrate into its network of partners to deliver seamless user experiences and greater access to the mainstream economy.

Pagaya has offices in New York and Tel Aviv. For more information, visit pagaya.com.