Senior Backend Developer – Data & AI Team

Senior Backend Developer – Data & AI Team

Location: Tel Aviv (Hybrid)

Company: Konnecto (Acquired by Partnerize)

Team: R&D – Core Backend & Data

We’re a startup team with the mindset and pace to match — recently acquired by Partnerize, a global leader in partnership marketing technology. Now, we’re scaling fast and building a brand-new R&D center in Tel Aviv focused on AI, data innovation, and product automation.

Our platform helps some of the biggest brands in the world — including many in the Fortune 500 — make smarter marketing decisions by transforming raw data into actionable insights. We work with big data, build AI agents, and turn manual workflows into intelligent systems that drive real impact.

Backed by an experienced global team and trusted by top-tier clients, we’re at an exciting moment — the kind where you can join early, move fast, and help shape what’s next.

We’re looking for an experienced backend developer who’s comfortable owning end-to-end features — from data modeling to API development. You’ll work closely with the team leader and take part in building smart, scalable systems that power everything from dashboards to AI-driven insights.

This is a hands-on role where you’ll write real code, influence product decisions, and work side-by-side with a sharp group of developers, data people, and product leads.

• Building APIs and services using NestJS and TypeScript
• Working with SQL and MongoDB to manage large-scale structured and semi-structured data
• Writing efficient queries and optimizing backend performance
• Using AI to solve real product and data problems — this isn’t about building tools for others; it’s core to what we do
• Collaborating daily with colleagues in Israel and abroad (good English required)
• Reporting directly to the team leader and having full ownership over your projects

• 5+ years of backend development experience, preferably in Node.js/NestJS and TypeScript
• Strong working knowledge of both SQL and MongoDB
• Experience with Snowflake is a big advantage
• Independent, proactive, and organized — someone who knows how to get things done
• Comfortable working in a fast-paced environment with a lot of ownership
• Team player with strong communication skills in English and Hebrew

• Work at the core of a product used by top global brands
• Be part of building the new R&D center in Tel Aviv — early team, real influence
• A friendly team with big challenges, a strong sense of ownership, and global collaboration
• Hybrid work model and great people to work with

Sound like a good fit?

We’d love to meet you. Send your CV and let’s talk.