לוח משרות דרושים Senior Backend Developer בתל אביב יפו

Required Senior Backend Engineer for Meta Site Republic
Job Description
In this role, you will provide infrastructure services and develop solutions used across the entire ecosystem, operating at a massive scale. Your focus will include ensuring production stability, reliability, and observability while managing critical flows spanning multiple internal groups. By tackling deep technical challenges
Develop and maintain infrastructure solutions used by all services to facilitate technical operations
Ensure production stability by prioritizing reliability, observability, and safe changes to mission-critical systems
Operate high-volume services at a massive scale, handling millions of sites and billions of applications
Manage critical cross-organizational flows and account for dependencies across various groups
Tackle complex technical challenges within systems that require multiple interfaces and integrations
We believe our best work happens together, so our work model is fully in person, with 5 days a week in the office.

Required Senior Backend Developer - Platform Engineering (A+ Nile)
Job Description
As a Backend Engineer in the Nile group, youll build internal products and tools, used by thousands of our backend engineers. Our solutions and backend platforms, powers how we operate and evolves its production environment. Youll design and implement applicative infra tools that streamline the process of writing backend services, helping engineers deliver with confidence and speed.
In your day-to-day, you will:
Build scalable backend platforms that allow other backend engineers to easily create their backend services while focusing on their business logic
From idea to production, youll have full ownership; understand use cases and gather product requirements, design, code, alpha support, and ongoing maintenance
Collaborate closely with product managers and other backend engineers (our users) to bring ideas to life quickly and with quality. We focus on adoption and are committed to supporting our users
Improve our CDC (Change Data Capture) solutions, allowing for hundreds of our backend engineers to easily and rapidly migrate their data
*We believe our best work happens together, so our work model is fully in person, with 5 days a week in the office.

we're looking for a brilliant, independent AI Software Developer to join our CTO office!
SaaS B2B solution that tackles one of the biggest challenges in financial departments: the overflowing amount of data that, up until now, was managed by tons of Excel sheets. All those financial reports, forecasts, expenses, analytics? takes all this data and integrates it into a one, simple, smart report. It consolidates the information, enables the finance professionals to follow it, manage it, and create the ever-needed order within the realm of finances. If this isn't enough, it enables thorough analysis of consolidated data for the creation of business and financial insights. Its cloud-based, so nothing gets lost, its brilliant, so almost every feature can be added.
What You'll Do:
Own end-to-end development of backend features, from design through implementation, testing, deployment, and monitoring.
Work closely with Product and cross-functional teams to deliver AI-powered features using LLMs, vector search, prompt orchestration, and external AI services (OpenAI, Anthropic, Google, etc.).
Design, implement, and maintain APIs and microservices that integrate with external AI vendors in a scalable, reliable way.
Translate product requirements into practical AI-driven flows, including prompt design, context building, routing, evaluation, and fallback strategies.
Implement observability and monitoring around AI usage (usage tracking, cost monitoring, latency, error handling, safety checks).
Take initiative and ownership, proactively identify blockers, and drive features to completion.
Write clean, maintainable, and testable code in Node.js/TypeScript, and participate in code reviews and design discussions.
Contribute to improving development processes and engineering best practices

we are looking for a Senior Backend Developer.
What You'll Do:
Design and implement end-to-end features and services within a multi-service architecture.
Build and maintain a scalable data platform, incorporating advanced business logic and developing asynchronous, data-oriented, and scalable services.
Continuously improve and enhance the current data platform to ensure reliability, scalability, and performance.
Enhance and extend the functionality of existing systems.

Were building the next generation of autonomous cybersecurity technology - systems that think like attackers to continuously uncover security gaps in enterprise environments.
As a Senior Engineer in our Attack Simulation Platform team, youll design and build the engines, data models, and intelligent agents that simulate advanced adversaries across large-scale networks. Youll combine strong software-engineering skills with deep security intuition to create systems that mirror human attacker behaviour and discover real weaknesses before attackers do.
:Responsibilities
Design and build AI-driven agents that emulate adversarial behaviours such as lateral movement, privilege escalation, and persistence.
Develop core simulation and orchestration components in Go (primary language) and integrate with in-house AI models.
Model and simulate attack paths across complex enterprise environments (identity, endpoint, network, and cloud).
Collaborate with red-teamers, researchers, and data scientists to translate threat intelligence and real attack TTPs into executable logic.
Contribute to architecture decisions, scalability, and performance optimization for distributed simulations.

We are looking for an experienced, passionate Senior Backend Engineer to join our growing TLV R&D location. You'll be joining the backend group to help us expand our backend system and add new features to the company's core product.
As a Senior Backend Engineer, you'll play a crucial role in driving the backend architecture and technical strategies that underpin our success. This is a great Opportunity to make a significant impact by driving the technical direction of a high-growth company.
As a Senior Backend Engineer, you will:
Build backend system from the ground up
Design and collaborate with the engineering team to build architecture and system design for new products
Build internal products and integrate with external APIs
Play a role in building, expanding, testing and releasing of a product helping thousands happy customers.

we are a rising start-up that offers a new approach to B2B payment security. Our product protects the end-to-end business payment process from all threats, internal and external, across the entire payment flow making sure payments go to the right place seamlessly in real-time with the use of AI.

Required Senior Backend Engineer
About Us
We help modern, mid-size businesses transform the way they manage people, giving HR and managers all they need to connect, engage, develop, and retain top talent. Since 2015, weve achieved consecutive triple-digit year-over-year growth, all backed by our amazing team of Bobbers from across the globe, making us the choice HRIS of over ~5000 midsize and multinational companies and over 1 Million users.
Our HR platform is intuitive, data-driven, and built for the way people work today: globally, remotely, and collaboratively.
Come and be you with us
We want you to bring all parts of yourself to work, giving you the freedom and confidence to be the best you and do your best work. If thats bubbly, shy, precise, funny, bold, kind, honest, brilliant, or anything in between, were waiting with open arms. Come join us.
What will you do?
As a Backend Engineer on the team, youll have a key role in developing our product and its unique features, working closely with our Product team. You should be passionate about software engineering and building a product end-to-end and will be responsible for owning the dev cycle from the technical design, through coding and testing, to deployment and monitoring. We work in a true continuous delivery environment with fully automated QA processes on a microservices architecture, deploying to production dozens of times every day.

We are looking for a Senior Data Engineer to join our Platform group in the Data Infrastructure team.
Youll work hands-on to design and deliver data pipelines, distributed storage, and streaming services that keep our data platform performant and reliable. As a senior individual contributor you will lead complex projects within the team, raise the bar on engineering best-practices, and mentor mid-level engineers - while collaborating closely with product, DevOps and analytics stakeholders.
About the Platform group
The Platform Group accelerates our productivity by providing developers with tools, frameworks, and infrastructure services. We design, build, and maintain critical production systems, ensuring our platform can scale reliably. We also introduce new engineering capabilities to enhance our development process. As part of this group, youll help shape the technical foundation that supports our entire engineering team.
Code & ship production-grade services, pipelines and data models that meet performance, reliability and security goals
Lead design and delivery of team-level projects - from RFC through rollout and operational hand-off
Improve system observability, testing and incident response processes for the data stack
Partner with Staff Engineers and Tech Leads on architecture reviews and platform-wide standards
Mentor junior and mid-level engineers, fostering a culture of quality, ownership and continuous improvement
Stay current with evolving data-engineering tools and bring pragmatic innovations into the team.

Required Senior Backend Engineer.- Al Team
About Us
We help modern, mid-size businesses transform the way they manage people, giving HR and managers all they need to connect, engage, develop, and retain top talent. Since 2015, weve achieved consecutive triple-digit year-over-year growth, all backed by our amazing team of Bobbers from across the globe, making us the choice HRIS of over 5000 midsize and multinational companies.Our HR platform is intuitive, data-driven, and built for the way people work today: globally, remotely, and collaboratively. Fast-growing companies such as Gong, Fiverr, and VaynerMedia rely on Bob to help them create the best work experiences for their people.
Come and be you with us
Being a Bobber is all about being you. We want you to bring all parts of yourself to work. giving you the freedom and confidence to be the best you and do your best work.
were waiting with open arms. Come join us.
About the Team
The AI team at Bob is at the forefront of integrating cutting-edge AI technologies into our product, delivering features that enhance user experience, empower decision-making, and drive business insights.
We work in a true continuous delivery environment, with fully automated QA processes and a modern microservices architecture - deploying to
Design, build, and maintain backend infrastructure and microservices supporting AI-driven features.
Collaborate closely with the infra and data groups to ensure smooth integration of AI models and services into Bobs core systems.
Develop and optimize APIs, data pipelines, and background processing workflows.
Ensure performance, scalability, and resilience of production systems handling real-time AI interactions.
Drive engineering excellence through code reviews, architecture discussions, and automation.
Mentor other backend developers and promote best practices in software design, testing, and deployment.

Required Senior Backend Engineer - Platform Group
About Us
We help modern, mid-size businesses transform the way they manage people, giving HR and managers all they need to connect, engage, develop, and retain top talent. Since 2015, weve achieved consecutive triple-digit year-over-year growth, all backed by our amazing team of Bobbers from across the globe, making us the choice HRIS of over ~4500 midsize and multinational companies and over 1 Million users. Our HR platform is intuitive, data-driven, and built for the way people work today: globally, remotely, and collaboratively.
Come and be you with us:
Being a Bobber is all about being you. We want you to bring all parts of yourself to work, giving you the freedom and confidence to be the best you and do your best work. If thats bubbly, shy, precise, funny, bold, kind, honest, brilliant, or anything in between, were waiting with open arms. Come join us.
Vibe Engineering: AI-Assisted Development & Productivity
We believe that modern developers leverage state-of-the-art dev tools to maximize engineering efficiency.
The ideal candidate is experienced with AI-assisted development workflows, leveraging tools such as GitHub Copilot, Cursor, or similar LLM-based environments to rapidly prototype, debug, and evolve complex systems.
You should be comfortable translating ambiguous problem statements into iterative prompts, guiding AI agents to generate high-quality, maintainable code while applying strong engineering judgment. The role requires an ability to blend traditional software engineering practices with modern AI tooling-using automation, code generation, and conversational development to accelerate delivery without compromising architecture, reliability, or security.
What will you do?
As a Backend Engineer on the Platform/Infra team, youll have a key role in designing, building, and maintaining the core services, infrastructure, and tools that enable all feature teams to build and scale their microservices reliably and efficiently.

As a Senior Backend Engineer in the Audience Extension team in our Tel-Aviv Office, youll be instrumental in building and optimizing our core infrastructure for managing RTB requests at scale, one of the biggest revenue driven operations in the company.
How youll make an impact:
As an Experienced Backend Engineer, youll bring value by:
Develop one of the largest real time big data operation in the world to support over 40TB of new data every day
Have end to end ownership: Design, build, ship, measure and maintain our frontend and backend services
Collaborate with the brightest software engineers team members
Influence directly on the way billions of people discover the internet
Develop at unimaginable scale, serving hundreds of thousands of requests per second
Work on innovative projects that are the next growth engines for our company
Here are some of the things software developers in our group did in the last several months:
A unique data pipeline for managing RTB requests at scale
An algorithmic model to predict if a given Real-Time impression is valuable to our company
A smart gateway that ingests hundreds of thousands of requests per second for a single instance
An A/B tests system to explore variations and experiments
And many more.

Required Backend Software Developer
We empower organizations to run in the cloud by aligning operations and security around access management. Our platform provides companies with Just-In-Time and Just Enough access across their hybrid environments reducing the access risk while improving productivity.
We have offices in New York and Tel Aviv and supports dozens of customers across the US and the world, including large Fortune 500 companies and was honored in Gartner's Magic Quadrant for Privileged Access Management.
What are we looking for?
Are you ready to build transformative technology with a team that values innovation, collaboration, and excellence? We are on a mission to bridge the operational security gap in access management, simplifying businesses' journey to the cloud. Our team is made of passionate professionals who thrive on solving complex problems, guided by its founders & leadership group with decades of proven expertise.
Responsibilities:
Participate in the architecture, design, and implementation of innovative cloud-based services and development infrastructure.
Address multi-tenancy aspects, high availability, agility, security, and more.
Participate in Product Decisions and help design our core product. The challenge is to build an efficient, robust, and bulletproof solution since our infrastructure powers our customers' mission-critical services.

Required Senior LLM Applications Developer
About the Role;
As a Senior LLM Applications Developer, youll design and integrate Large Language Models (LLMs), agentic AI, and AI agents into production at scale. Youll architect backend systems, optimize prompts, and lead technical decisions that define how AI powers our caregiving platform. Beyond coding, youll mentor the team and pioneer new agent-driven AI capabilities that drive our mission forward.
What Youll Do:
Design and develop backend services for AI-driven applications
Architect and optimize prompts for LLMs in production
Integrate AI/LLM models into scalable, secure, cloud-based systems
Collaborate with AI, Product, and Data teams to deliver impactful features
Mentor developers and set best practices in backend engineering
Explore new AI models and tools, leading adoption into production.

Required Senior Backend Engineer
Tel Aviv
We harnesse the power of AI to transform how revenue teams win. The Revenue AI Operating System unifies data, insights, and workflows into a single, trusted system that observes, guides, and acts alongside the worlds most successful revenue teams. Powered by the Revenue Graph, AI-powered intelligence, specialized agents, and trusted applications, we help more than 5,000 companies around the world deeply understand their teams and customers, automate critical sales workflows, and close more deals with less effort.
You will join a company built on innovative products, ambitious goals, and passionate people. We are shaping the future of revenue intelligence and we want people who are excited to build what comes next. You will work with a team that dreams big, moves fast, and cares deeply about the craft and about each other. Here, transparency and trust are core to how we operate, and every person has the opportunity to make a visible impact. If you want to grow, stretch, and do work that truly matters, we are the place to do the best work of your career.
As a Senior Backend Engineer, you'll dive into complex technical challenges, craft innovative solutions, and play a pivotal role in our mission to revolutionize the way companies understand their customer interactions. We're seeking a Java professional who can leverage their deep knowledge to drive our backend development to new heights.
You will be responsible for:
System Architecture & Design: Lead the design and implementation of complex, scalable, and high-performance backend services and APIs using Java.
Problem-Solving: Analyze, debug, and solve complex technical challenges across the stack, implementing preventive measures to ensure long-term reliability.
Process & Quality Ownership: Establish and drive team-level best practices for code quality, testing strategies, and CI/CD processes.
Cross-Functional Ownership: Take end-to-end ownership of major features and product initiatives, managing risks and coordinating delivery across multiple teams (Backend, Frontend, Product, etc.).