Overview

We are looking for a Senior Full-Stack Developer to join our product and engineering team and help build the next generation of Jgive’s donation, fundraising, nonprofit, and donor-management products. We are looking for a senior engineer who takes ownership, drives technical initiatives end-to-end, and enjoys solving complex product and engineering challenges.

Key Responsibilities:

Design, build, and maintain scalable backend services and GraphQL APIs using Ruby on Rails Develop and enhance modern, high-quality user interfaces with React
Take ownership of complex technical decisions and lead end-to-end processes from architecture to delivery, with the broad shoulders to navigate ambiguity and drive initiatives forward
Integrate AI-powered capabilities into the platform (e.g., intelligent donation matching, automated tax receipt handling, personalized recommendations, or smart compliance tools)
Leverage AI tools daily in your workflow (LLMs for code generation, refactoring, testing, documentation, debugging, etc.) and help the team adopt best practices
Collaborate closely with product, design, and other engineers in an agile process
Mentor junior developers and contribute to architecture decisions, code reviews, and technical standards
Ensure performance, security, reliability, and maintainability across the stack
Continuously improve our development processes using modern tooling and AI augmentation

Requirements:

5+ years of professional software development experience, with deep expertise in Ruby on Rails
Verifiable, hands-on experience using AI in real development workflows (examples: Cursor, Claude, Codex, Grok, custom agents, AI-assisted testing/CI, or building AI features in production)
Solid understanding of relational databases (PostgreSQL preferred), API design, and modern web architecture
Experience working in agile teams with Git, code reviews, and CI/CD pipelines
Strong problem-solving skills and attention to detail
Excellent English communication skills (Hebrew is a plus)
Based in Israel and able to work a hybrid schedule (60% from our Jerusalem office)

Advantages (Nice to Have):

Strong production experience building applications with React
Experience in fintech, SaaS, donation platforms, or tech-for-good products
Familiarity with Israeli nonprofit compliance, tax receipts (Section 46), or payment processing
Previous work integrating AI/ML features into user-facing products
Open-source contributions or personal projects that demonstrate AI workflow mastery
GraphQL experience on either or both sides of the wire

Tell them you heard about the position from Nefesh B’Nefesh. Please do not repost.