דרושים » תוכנה » Lead Full Stack Web Developer /Tel-Aviv

we are looking for a Senior Full Stack Engineer to join our Engineering team. In this role, you will lead the design and development of end-to-end features across our gifting platform, with a strong focus on backend architecture. Youll play a key role in shaping scalable systems, driving technical decisions, and delivering high-impact solutions in a fast-growing, cloud-based SaaS environment.
Working with modern technologies such as React, Node.js, TypeScript, Serverless architecture, and Kafka, you will collaborate closely with product, design, and data teams to build reliable, performant, and user-centric experiences. You will also help evolve our engineering standards, development processes, and use of emerging tools-including AI-to improve team productivity and product quality.

Were looking for a hands-on Fullstack Team Lead to lead one of our core R&D teams.This role is ideal for someone who is still a strong individual contributor, but also wants to lead people, shape architecture, and build a team. Youll be responsible for owning a meaningful product area end-to-end - technically and organizationally.This is not a pure management role. You are expected to write production code, lead by example, and take deep responsibility for delivery and quality.
What the Job Entails
we are the AI operating system built for enterprises running complex, regulated operations. We deploy purpose-built agents that resolve real workflows end-to-end, compliantly and at scale across insurance and financial services.
Were a fast-growing startup at the forefront of the AI revolution, helping companies scale smarter and cut costs. Our platform connects customer and employee interactions with back-office systems to automate complex workflows end-to-end - all delivered with the highest standards for auditability, explainability, and governance.
Backed by top-tier VCs, our company has raised $45 million to date, including a $30 million Series A in March 2026 led by Headline, with participation from Lightspeed, Jibe Ventures, Illuminate Financial, Munich RE, and Phoenix.
If youve engaged with a leading brand online, chances are youve already interacted with Taylor, our AI Agent.
At our company, were building the future of customer experience - a platform that empowers brands to create autonomous AI agents across industries like e-commerce, SaaS, cybersecurity, gaming, and more.
Were a fast-growing startup at the forefront of the AI revolution, helping companies scale smarter, cut costs, and deliver human-like customer experiences. Our platform already processes hundreds of thousands of conversations at any time, delivering customer support at superhuman speed and accuracy.
What You'll Do
Lead a small, high-impact fullstack team (initially 3-6 engineers)
Own architecture, design, and implementation of core product areas
Make key technical decisions with a strong focus on scalability, reliability, and developer experience
Mentor, coach, and grow engineers - technically and professionally
Drive execution: break down complex problems, prioritize work, and ensure delivery
Collaborate closely with Product, Design, and other R&D teams
Help shape engineering standards, best practices, and team culture
Take part in hiring and building the next generation of our company engineers
Tech Stack
Frontend
React (hooks) + Typescript
Headless components + MUI
TanStack Query
Vite
WebSockets + REST
Multiplayer / real-time web app architecture
Local-first methodology
Backend
Node.js + Typescript
Express + Zod
LLM & vector-based architectures
Postgres + Drizzle ORM
Distributed systems with queues, caches, and locks (Postgres + Redis)
OpenTelemetry (o11y)
Monorepo.

We are looking for a Senior Full-Stack Engineer to join us in building a new production-grade system for the enterprise from scratch. This is a role for an experienced engineer who knows what it takes to bring such a system to production end to end, and treats AI as a core part of the toolkit, both as a force multiplier in how they build and as a first-class capability in what they build. In this role, you will be a key member of our growing team of developers, data scientists, and analysts. You will build a complex, data-intensive system that is powered by LLMs and intelligent agents, and provides a delightful experience to our users.
Responsibilities:
Help architect and build a new AI-native system from the ground up, making foundational design and technology decisions.
Own features end to end, from design through production, deployment, and maintenance.
Build AI-powered product features - integrate LLMs, RAG pipelines, agents, and ML models into production with attention to performance, reliability, guardrails, and observability.
Work AI-natively - use AI coding assistants and agentic tools to accelerate design, implementation, testing, and review, while owning correctness and quality.
Establish and improve the platforms, patterns, and tooling the team builds on.

we are looking for a Senior Full Stack Mobile Developer.
In this role you will:
Design, build, and maintain our full product suite, including backend services, mobile applications (React Native), and web products.
Lead development of high-quality, performant cross-platform mobile experiences while ensuring strong integration with backend and web systems.
Contribute to architectural decisions, code quality standards, and long-term scalability across mobile and web platforms.
Mentor and support other engineers through code reviews, technical guidance, and close collaboration.

Were looking for a Core Full-Stack Engineer who combines strong product instincts, deep engineering skills, and the ability to move fast without compromising on execution quality.
Youll be a primary technical driver, taking significant product modules from concept through design, architecture, implementation, and production. You wont just implement finished specifications, youll partner with product and design to shape the solution, make technical decisions, and own delivery across the entire stack.
Your work will turn complex, large-scale data into fast, intuitive products for Fortune 500 marketing teams. Youll build across the entire data and application stack-from data ingestion and ETL pipelines to scalable backend services, polished interfaces, and responsive visualizations. This role combines full-stack development with hands-on data engineering, owning how data is collected, transformed, stored, and served to make exploring datasets with billions of records feel effortless.
This is a hands-on role for someone who has driven meaningful product development in a fast-growing startup and is comfortable taking ownership before every requirement has been defined.
Responsibilities
Own complete product modules from concept to production.
Build and own production data pipelines.
Design scalable data models and APIs.
Build fast, polished, data-intensive interfaces.
Drive performance across the entire stack.
Ensure data quality and reliability.
Create reusable product foundations.
Own production reliability and safe delivery.
Lead through hands-on execution.

We are looking for a Senior Fullstack Engineer with a strong backend orientation to join the development of our scalable, AI-powered product systems.
What You'll Do:
Join a role that combines deep backend expertise with solid frontend fluency and product thinking, along with the ability to leverage AI tools effectively across the development lifecycle. You will work closely with product, design, frontend, and data/AI teams to build reliable, performant systems and intuitive user experiences, while driving engineering excellence and modern development practices. Your contributions will shape the technical foundation of an AI-first product and directly influence the experience of end users.
What does the day to day of a Senior Fullstack Engineer look like:
Your daily work will span backend architecture, frontend collaboration, and AI-augmented development, engaging directly with the systems that power our product.
Your role will include:
Design and build scalable, maintainable backend services using NestJS (Node.js/TypeScript) and/or Python
Own API design, contracts, and versioning across services
Design and optimize data models, database schemas, and query performance
Implement authentication, authorization, and secure API integration patterns
Build reliable data-fetching layers, caching strategies, and async processing (queues, jobs, events)
Lead backend technical decisions, code quality standards, and system architecture
Ensure system scalability, fault tolerance, and observability (logging, monitoring, alerting)
Contribute to CI/CD pipelines and deployment practices for backend services
Collaborate on frontend applications built with React, TypeScript, and Vite, and contribute to API contracts from the consumer's perspective
Partner with frontend engineers to align on data shapes, performance, and UX constraints
Translate product requirements into robust, scalable technical solutions, working closely with product and design
Conduct high-quality code reviews and drive architectural discussions and best practices
Improve testing, observability, CI/CD, and system reliability across the team
Use AI coding tools effectively in daily development work (Cursor, Copilot, Claude, ChatGPT, etc.), critically evaluating and refining AI-generated code, especially for backend logic and data integrity
Design efficient personal/team workflows for AI-assisted development and contribute to engineering productivity through AI tooling and automation

Zipher is building the Autonomous Execution Layer for cloud data and AI workloads. Backed by $50M in funding , we dynamically orchestrate clusters, predict bottlenecks, and auto-heal infrastructure in real time — with zero human intervention . Our platform runs in production at global enterprise customers, including Fortune 500 companies , delivering mission-critical resilience and sub-second optimization Autonomous execution is a new category, and we are the ones defining it — already running in production inside Fortune 500 environments , where being wrong is not an option. The team is deliberately talent-dense ; every hire changes what we are able to build next. We are looking for a Full Stack Engineer to build our enterprise web application and control plane alongside our senior engineers. You will build the services, APIs, and interfaces that let engineering leaders monitor, understand, and control autonomous data workloads in real time. This is a backend-heavy role . It is best suited for candidates whose primary expertise and passion lie in backend development
What You’ll Do
* Ship features end to end across the control plane: services, APIs, and the interfaces built on top of them
* Build scalable, low-latency APIs over live telemetry from production data and AI workloads
* Build high-performance, real-time visual interfaces and explainability tools for monitoring an autonomous data platform
* Partner closely with backend, AI, and distributed systems engineers to ship complex, mission-critical platform features
* Own quality for what you ship: testing, CI/CD, observability, and the operational bar for a product enterprise customers depend on
What We Offer
* A chance to build the core execution engine for a new category of autonomous data platform — a product already running inside Fortune 500 environments Real ownership from day one : you own what you ship end to end, and you grow into owning whole domains of the control plane Engineering problems that are genuinely hard : real-time telemetry at enterprise scale, low-latency APIs, and interfaces that make autonomous decisions readable A talent-dense team : direct access to the founders and to the engineers who designed the platform, and a bar that pulls you up Top-of-market compensation and meaningful equity Ready to build the control plane for an autonomous data platform? Hit Apply.

Key Responsibilities
Ready to shape the future of Email Security at our company?
Join us as a Software Tech Lead and help drive the technical vision of a talented development team at the forefront of innovation. If you thrive in dynamic environments, have a passion for building scalable solutions, and want to make a real impact on thousands of users worldwide, this is your chance to provide technical leadership, drive engineering excellence, and contribute to a product recognized by Gartner as a market leader.
Email Security is one of the fastest-growing domains at our company, playing a critical role in protecting organizations against advanced threats. our company has been recognized as a Market Leader in Gartner for Email Security, reflecting our innovation, scale, and proven success in the field.
Our platform serves thousands of paying customers worldwide, operating across multiple geographic regions and supporting a truly global user base. The system is designed as a highly scalable, cloud-native solution, built to handle massive volumes of email traffic with strict performance and reliability requirements.
We work closely with AWS to deliver top-tier performance, availability, and security, leveraging advanced cloud services and best practices to provide an exceptional customer experience.
*Technical Leadership and Mentorship
Provide technical leadership and mentorship to developers, driving engineering excellence, promoting best practices, and fostering a collaborative and innovative environment.
*Innovation and R&D
Stay updated with the latest industry trends and technologies, and drive innovation across the team.
*AI-Driven Development Leadership
Lead the technical design and development of internal AI-powered DevTools and engineering productivity solutions.
Collaborate cross-functionally with Product, UX, Customer Success, and other stakeholders to define and deliver AI-powered solutions.
Guide the team in prompt and context engineering best practices and the development of AI-based capabilities.
*Technical Leadership
Drive technical execution, architecture, and delivery, ensuring high-quality solutions are delivered on time.
*Code Review and Quality Assurance
Conduct regular code reviews to maintain high code quality and adherence to best practices.
*Technical Excellence
Drive engineering standards, system reliability, performance, and continuous improvement across the codebase.
*Collaboration
Collaborate closely with cross-functional teams and customers to solve complex problems and innovate new features.

We are looking for a Senior Fullstack Engineer with a strong backend orientation (80%) to join the development of our scalable, AI-powered product systems.
What You'll Do:
Join a role that combines deep backend expertise with solid frontend fluency and product thinking, along with the ability to leverage AI tools effectively across the development lifecycle. You will work closely with product, design, frontend, and data/AI teams to build reliable, performant systems and intuitive user experiences, while driving engineering excellence and modern development practices. Your contributions will shape the technical foundation of an AI-first product and directly influence the experience of end users.
What does the day to day of a Senior Fullstack Engineer look like:
Your daily work will span backend architecture, frontend collaboration, and AI-augmented development, engaging directly with the systems that power our product.
Your role will include:
Design and build scalable, maintainable backend services using NestJS (Node.js/TypeScript) and/or Python
Own API design, contracts, and versioning across services
Design and optimize data models, database schemas, and query performance
Implement authentication, authorization, and secure API integration patterns
Build reliable data-fetching layers, caching strategies, and async processing (queues, jobs, events)
Lead backend technical decisions, code quality standards, and system architecture
Ensure system scalability, fault tolerance, and observability (logging, monitoring, alerting)
Contribute to CI/CD pipelines and deployment practices for backend services
Collaborate on frontend applications built with React, TypeScript, and Vite, and contribute to API contracts from the consumer's perspective
Partner with frontend engineers to align on data shapes, performance, and UX constraints
Translate product requirements into robust, scalable technical solutions, working closely with product and design
Conduct high-quality code reviews and drive architectural discussions and best practices
Improve testing, observability, CI/CD, and system reliability across the team
Use AI coding tools effectively in daily development work (Cursor, Copilot, Claude, ChatGPT, etc.), critically evaluating and refining AI-generated code, especially for backend logic and data integrity
Design efficient personal/team workflows for AI-assisted development and contribute to engineering productivity through AI tooling and automation

we are looking for a Senior Full Stack Engineer with a backend-oriented mindset to join our growing R&D team.
In this role, youll be responsible for connecting high-scale data infrastructure with our customer-facing portal-turning complex, runtime telemetry into fast, intuitive, and intelligent user experiences. Youll work closely with product, design, and Data pipeline and security engineers to build data pipelines, APIs, and integrations that make platform both powerful and delightful to use.
This is a hands-on role at the intersection of backend systems, high scale data engineering, and user experience, shaping how massive volumes of runtime data flow through data-driven platform.
Youll Be Great For This Role If You Love To:
Design and implement efficient data pipelines and backend integrations that connect our high-scale data to the user-facing portal.
Build and optimize APIs, data services, and caching layers to ensure fast and reliable data access.
Use data modeling, denormalization, and performance optimization to handle complex queries and large datasets effectively.
Collaborate closely with frontend engineers, product managers, and designers to ensure data flows seamlessly into intuitive UI components.
Contribute to the architecture and scalability of hybrid cloud-native platform.
Write clean, testable, production-ready code in Python, Node.js, TypeScript, and React, while keeping performance and maintainability top of mind.
Stay close to users and product feedback loops - helping translate technical insights into better experiences.
Own end-to-end delivery, from backend design through deployment using CI/CD, Temporal, and Kubernetes.