Full Stack Engineer

Senior Full-Stack Developer (Node.js + Flutter)

Sports Facility Marketplace Platform

Location: Tel Aviv Center, Israel

Type: Full-time, On-site

Experience Level: Senior (3-5+ years)

About Us

We're a fast-growing B2B SaaS platform in the sports and leisure industry, serving facilities and clubs across Israel. Our technology handles complex scheduling, real-time availability, and seamless booking experiences.

We're a lean, technical team that values clean code, smart architecture, and shipping features that matter.

The Role

We're hiring a senior full-stack developer to work directly with our founding developer. This is a technical co-lead position where you'll shape architecture, own features end-to-end, and help build our engineering culture.

You'll work across our mobile app (Flutter) and backend systems (Node.js), solving real problems around scheduling logic, availability algorithms, and user experience.

What You'll Do

Core Responsibilities

Build features across Flutter mobile app and Node.js backend

Design scalable solutions for booking systems, scheduling, and real-time operations

Write efficient, well-structured code that integrates with our existing architecture

Participate in technical decisions and database design

Collaborate directly with founders and support teams

Technical Challenges

Complex availability and conflict resolution algorithms

Real-time data synchronization across platforms

Performance optimization for high-traffic scenarios

Third-party API integrations and external systems

Building intuitive, responsive mobile interfaces

Required Skills

Must-Have Technical Skills

3+ years professional Node.js backend development

2+ years professional Flutter mobile development

Strong database skills (PostgreSQL/MySQL) - complex queries and optimization

RESTful API design and best practices

Git workflow and collaborative development

Understanding of authentication, authorization, and security

Essential Qualities

Clean code mindset - maintainable, readable, efficient

Self-directed and ownership-driven

Strong problem-solving with complex business logic

Excellent communication in Hebrew and English

Comfortable in a small, fast-moving team

Nice-to-Have

Experience with booking/reservation systems

Ionic Angular knowledge

Payment gateway integrations

Real-time systems (WebSockets, notifications)

Early-stage startup experience

Open-source contributions

What We Offer

Compensation & Benefits

Competitive salary based on experience

Equity/stock options

Professional development budget

Modern development equipment of your choice

Work Environment

Central Tel Aviv office location

Direct impact on product and technical direction

Small team - your voice matters

Technical autonomy and ownership

Flexible hours, results-focused culture

Growth Opportunities

As we scale, you'll have the chance to:

Lead and build the engineering team

Drive technical strategy and architecture

Shape engineering culture and practices

Grow into leadership roles

Our Tech Stack

Backend: Node.js, Express, PostgreSQL, Redis

Mobile: Flutter, Dart

Admin Dashboard: Ionic Angular, TypeScript

Infrastructure: Cloud-hosted, Docker

Tools: Git, modern development workflow

Hiring Process

Application Review (2-3 days)

Phone Screen (30 min) - Technical background + culture fit

Technical Interview (90 min) - Practical coding challenges

System Design (60 min) - Architectural discussion

Team Meeting (45 min) - Meet the team, explore mutual fit

Offer (within 48 hours)

Timeline: 2-3 weeks from application to offer

How to Apply

Email your application to: info@lazuz.co.il

Please include:

Resume/CV (PDF format)

GitHub profile or code samples (required)

Brief cover letter addressing:

Your experience with Node.js + Flutter

A complex technical problem you've solved

Why you want to join a growing startup team

Direct applications only - no recruitment agencies.

Questions?

Email us at: info@lazuz.co.il

We'll share more company details during the interview process.

Equal opportunity employer committed to diversity and inclusion.

Ready to build something meaningful? We'd love to hear from you.