Senior Full-Stack Developer

Fireberry is an end-to-end CRM and business management platform that helps companies manage their entire customer journey in one place, from marketing and sales to customer service and operations.

Built in 2011 with the vision of creating a smarter and more flexible way to manage customer relationships, Fireberry now serves over 2,000 businesses across Israel and continues to grow globally.

Our platform is highly customizable, allowing companies to build workflows, automations, and business processes that fit their exact needs.

About the Role:

We’re looking for a Full Stack Developer who doesn’t just use AI tools - but knows how to work with them as part of the development process.

You’ll build end to end features across a modern TypeScript stack, work closely with Product and Design teams, and help create AI powered experiences used by real customers every day.

This role is for developers who combine strong engineering fundamentals with fast execution, ownership, and curiosity around modern AI technologies.

What You’ll Do:

• Build full stack features across React frontend and Node.js backend services
• Design and maintain scalable APIs and backend systems
• Work with MSSQL databases, including schema design and query optimization
• Deploy and manage services on AWS environments
• Integrate AI capabilities such as LLMs, copilots, and AI agents into product features and internal tools
• Use AI development tools to improve speed, quality, and workflows
• Structure development workflows around AI tools while maintaining engineering quality and long term maintainability
• Lead technical discussions and help shape engineering standards across the team
• Collaborate closely with Product, Design, QA, and other developers
• Debug production issues across APIs, cloud infrastructure, databases, queues, and distributed systems
• Contribute to architecture decisions, code reviews, and technical roadmap discussions
• Write clean, scalable, and maintainable code

What We’re Looking For

• :3+ years of hands-on experience with Node.js and TypeScrip
• tStrong React skills and understanding of modern frontend architectur
• eExperience working with MSSQL databases and query optimizatio
• nPractical AWS experience, such as ECS, EC2, S3, or similar service
• sExperience designing and shipping complex product features end-to-en
• dExperience working with LLM APIs or AI-powered product feature
• sProven experience using AI coding tools such as Copilot, Claude, Cursor, or simila
• rAbility to balance speed, pragmatism, maintainability, and scalability in technical decision
• sStrong problem-solving and debugging skill
• sExcellent communication and collaboration skill
• sHybrid availability for our Tel Aviv offic

e

Nice to Hav

• e:Experience building multi-tenant SaaS produc
• tsFamiliarity with RAG pipelines, vector databases, or agent framewor
• ksExperience in B2B SaaS or product-led compani
• esOpen source contributions or side projec

ts

What We Off

• er:Meaningful work with real users and real imp
• actA highly technical environment where engineers have real ownership and influence over architecture and product direct
• ionA team that moves fast, collaborates openly, and values high-quality engineer
• ingFlexible hybrid work environment with regular team collaborat
• ionLearning budget and time to stay updated with the evolving AI landsc
• apeOpportunity to work on cutting-edge AI-powered product experien