לוח משרות דרושים Senior Backend Developer

We are establishing a new backend group that will take full ownership of a core application area.
We are looking for a Senior Backend Developer who will lead the backend effort end-to-end - from initial architecture and technology choices, through implementation and scaling, and into long-term ownership and evolution.
This is a hands-on technical leadership role. You will design, build, and own production systems, work closely with multiple teams, influence product direction, and set the technical bar for the group.
We embrace an agile mindset - you should be comfortable with context switching, handling multiple priorities, and adapting quickly to changing requirements.
Responsibilities
Take full ownership of the backend architecture for a major application area
Design and implement scalable, reliable, and maintainable backend systems
Lead technical design and decision-making, including technology and architecture choices
Work closely with product, frontend, platform, and other backend teams
Participate in product vision discussions, brainstorming, and planning sessions
Translate product requirements into robust technical solutions
Write high-quality, production-grade code
Drive debugging and root-cause analysis of complex production issues
Ensure best practices in performance, reliability, security, and observability
Mentor and technically guide other backend engineers as the group grows.

Were looking for a highly experienced Senior Software Engineer with a strong backend orientation (≈70%) who is excited to take real ownership in a fast-growing product team.
This is a key engineering role within the team. Youll be expected to dive deep into the product domain, influence technical decisions, and help raise the engineering bar - while also contributing hands-on across the stack, including frontend development in React (~30%).
While backend expertise is essential, we are looking for someone comfortable working end-to-end and capable of taking responsibility over product-facing flows.
What Youll Do:
Design and build scalable backend services in Python within cloud-native, microservices architecture
Take ownership of complex features end-to-end - from technical design to production
Contribute to architectural decisions and help shape engineering standards within the team
Develop and maintain frontend capabilities in React (~30%) as part of product feature delivery
Work closely with Product and Design to translate complex cloud optimization logic into intuitive user experiences
Integrate with major cloud providers (AWS, Azure, GCP)
Improve system reliability, performance, and maintainability
Participate in code reviews and contribute to a strong engineering culture.

We're looking for a Senior Backend Engineer to join our Platform team in Tel Aviv. You'll build the infrastructure that powers our entire engineering organization, accelerating how our teams ship features that millions of customers rely on. This role is perfect for someone who loves solving complex distributed systems challenges and creating tools that make other developers lives better.
In this role you'll:
Build core platform services that support all development teams across web, mobile, and backend systems
Design and maintain robust APIs for distributed microservices architecture using TypeScript, with Rust experience as a major plus
Collaborate with staff engineers and tech leads to establish platform standards, patterns, and best practices across the engineering organization
Own service stability and communication between systems, implementing both synchronous and asynchronous patterns at scale
Drive developer efficiency initiatives by creating tools, frameworks, and infrastructure that eliminate friction for product teams
Work hands-on with AWS infrastructure including Kafka, RabbitMQ, EKS, SQS, Lambda, and infrastructure-as-code tools like Pulumi
Partner closely with DevOps teams to ensure seamless deployment, monitoring, and scaling of platform services

Were looking for a senior-level backend engineer to join our growing Engineering team in TLV.
This role will require you to bring features to the finish line while collaborating closely with other developers, as well as with the Product, QA, Data, and Machine Learning teams-all with the goal of delivering a seamless, joyful experience for our customers.
In this role youll:
Help build our products using microservices written in Typescript (using NestJS).
Leverage our in-house autonomous tools to manage all development flow, from setting up our development environment to creating git branches and deploying services to production
Collaborate closely with the Product team, in a self-sufficient squad to achieve the squads OKRs
Be the owner of your domain to ensure code quality, performance, and scalability of our products
Coach and mentor other developers and help them elevate their skills

Join our AI Agents Platform team building the future of developer tooling. You'll create the infrastructure that powers AI-driven development across all of Lemonade's engineering teams.
In this role you'll:
Build platform tools and infrastructure for AI Agents that accelerate R&D delivery across the company
Work with cutting-edge GenAI technologies including LLMs, AI Agents, and advanced prompt engineering
Evaluate and experiment with new AI tools and technologies to assess their potential for company-wide adoption
Design and implement systems that improve developer efficiency and experience through intelligent automation
Collaborate cross-functionally with DevOps, senior technical leaders, and engineering managers on high-impact initiatives
Create developer-facing tools and APIs that integrate seamlessly with modern development workflow
Drive technical decisions for a platform that serves as the foundation for company-wide AI adoption
Contribute to our mission of making insurance instant and delightful through AI-powered innovation

Join our cross-functional fraud detection squad where you'll build systems that protect millions of customers while keeping the good ones flowing seamlessly through our platform.
In this role you'll:
Build fraud detection systems using microservices in Typescript (NestJS) and Ruby on Rails, running over Kubernetes to catch bad actors while keeping legitimate customers happy
Leverage our autonomous tools to manage development flow-from environment setup to production deployment-so you spend time solving fraud, not fighting infrastructure
Collaborate with data scientists, product managers, and fraud analysts in a self-sufficient squad to hit aggressive fraud prevention OKRs
Own your domain's code quality, performance, and scalability as fraudsters get smarter and transaction volumes explode
Design systems that make split-second decisions on claims and applications, balancing security with customer experience
Coach and mentor other engineers while staying ahead of evolving fraud patterns and attack vectors
Partner with our AI/ML teams to implement and optimize machine learning models that detect fraud in real-time

We're building the Experience Platform that powers everything - the backbone that lets our teams ship fast, scale seamlessly, and focus on creating incredible experiences for millions of customers. As a Senior Backend Engineer, you'll architect solutions that make other developers' lives easier while pushing platform boundaries. You'll own our chat service that handles onboarding flows for every customer.
In this role you'll:
Own platform services that let product teams ship features in days, not weeks
Build TypeScript/NestJS microservices that handle millions of customer interactions on Kubernetes
Partner with product teams to deliver the infrastructure they need to move fast
Level up our development experience using autonomous tools that handle everything from environment setup to production deploys
Lead architectural decisions that impact how we build, deploy, and scale products company-wide
Collaborate across product, design, and data teams to bring complex features from concept to launch
Drive platform reliability improvements that directly impact customer experience

Were looking for a Senior Backend Developer to join our team and work at the intersection of Engineering, technology, and business. This role is about impact, not just ownership, not just execution, but building solutions that actually get used.
This role is based in Tel Aviv. We work in a hybrid model, with 3 days a week in the office.
This might be for you if:
Youre hands-on and love building, not just talking
You naturally use AI, automation, or technology to solve real problems
Youre comfortable with ambiguity, fast iteration, and learning on the go
You care about ownership, outcomes, and real-world impact.

Product Analytics aims to help developers, product managers and designers understand their users, take data-oriented product decisions and evaluate the impact of technical issues on their customer base. As a Senior Software Engineer on the Product Analytics Backend team, you'll join a new, fast-growing product area. You will help define our technical vision, influence the product roadmap, and solve complex engineering challenges at scale.

In Product Analytics, we consume and process data from multiple sources: clickstreams, user information, and data from third-party systems. Your work will be central to building a robust and flexible system that can ingest, manipulate, correlate and store all this data to have it efficiently queried by our end users.

What Youll Do:
Design, build, and maintain core backend systems for Product Analytics, ensuring scalability, reliability, and high performance.
Drive technical architecture decisions in alignment with product goals and collaborate closely with frontend and platform teams.
Work with our core platform teams to tailor our storage and query solutions to our needs.
Create a strong team culture aligned with our engineering standards and our customer focus.
Participate in hands-on engineering work including coding, code reviews, and design reviews.

Were looking for an experienced, hands-on R&D Director to lead the development of next generation of business communication capabilities - shaping how companies integrate and leverage as a communication platform to engage with their customers at scale.
In this role, youll drive the technology that enables businesses to connect, interact, and build trust with hundreds of millions of users worldwide through secure, high-performance, and intelligent communication experiences.
This is a strategic, high-impact leadership position where youll blend deep technical expertise with product vision - defining how evolves as a platform for business engagement and customer connection.
Responsibilities
What Youll Do:
Work with high-performing engineers to deliver scalable, high-quality products.
Stay hands-on with backend development - developing, mentoring, reviewing, and guiding engineers through complex Java-based systems.
Drive execution of strategic product goals in partnership with Product, Business, and Senior Management.
Architect and evolve our infrastructure for performance, reliability, and scale.
Foster excellence - hire, coach, and grow world-class engineering talent.
Champion innovation, exploring new technologies (including AI-assisted development) to increase productivity and quality.
Measure and optimize system performance, scalability, and developer velocity.

We are a global team of engineers dedicated to creating the best tools to ensure safe, convenient, and fun communication for millions of users worldwide. Our culture is built on innovation, teamwork, and a commitment to excellence. We offer a unique opportunity to work with cutting-edge technologies, including microservices architecture, and influence the lives of millions of people.
As a Backend Developer , you will be involved in developing and maintaining high-traffic with over 1 billion messages a day and dozens of scalable services, ensuring the fast and reliable operation of our platform. Your tasks will include developing new features, optimizing performance, ensuring data security, and solving complex technical challenges within our microservices architecture, using a combination of Java, along with non-blocking and reactive approaches, Cloud services, and NoSQL databases.
Responsibilities:
Planning, designing, developing and maintaining Java high-availability applications that can be high-volume and low-latency.
Define application objectives and functionality.
Ensure application designs conform with business goals.
Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review.
Work in a highly motivated team, closely with Product and Architects teams on large mission-critical systems.

Were looking for an experienced, hands-on Engineering Manager to lead the development of Vibers next generation of business communication capabilities - shaping how companies integrate and leverage Viber as a communication platform to engage with their customers at scale.
In this role, youll drive the technology that enables businesses to connect, interact, and build trust with hundreds of millions of Viber users worldwide through secure, high-performance, and intelligent communication experiences.
This is a strategic, high-impact leadership position where youll blend deep technical expertise with product vision - defining how Viber evolves as a platform for business engagement and customer connection.
Responsibilities:
Work with high-performing engineers to deliver scalable, high-quality products.
Stay hands-on with backend development - developing, mentoring, reviewing, and guiding engineers through complex Java-based systems.
Drive execution of strategic product goals in partnership with Product, Business, and Senior Management.
Architect and evolve our infrastructure for performance, reliability, and scale.
Foster excellence - hire, coach, and grow world-class engineering talent.
Champion innovation, exploring new technologies (including AI-assisted development) to increase productivity and quality.
Measure and optimize system performance, scalability, and developer velocity.

We are assembling a highly skilled, small-scale engineering team focused on transforming generative AI innovation into real, production-grade platforms.
As a Platform Engineer with a strong backend orientation, you will architect and implement the core infrastructure that enables rapid deployment, experimentation, and scaling of advanced AI capabilities. Your work will bridge cutting-edge research with reliable, secure, high-performance systems powering the next generation of digital intelligence products.
Responsibilities:
Design and develop backend services and APIs for SaaS applications using Node.js and TypeScript
Architect and implement microservices and distributed systems optimized for scalability and maintainability
Build and maintain CI/CD pipelines for automated deployments and testing
Develop cloud-native solutions leveraging AWS services and Kubernetes (EKS)
Manage infrastructure as code using Terraform and Helm for Kubernetes deployments
Ensure system reliability, security, observability, and performance at scale
Collaborate with cross-functional teams to deliver features in an agile environment
Continuously improve platform architecture and development workflows.

We are seeking a Senior Backend & Data Engineer to join its SaaS Data Platform team.
This role offers a unique opportunity to design and build large-scale, high-performance data platforms and backend services that power our cloud-based products.
You will own features end to end-from architecture and design through development and production deployment-while working closely with Data Science, Machine Learning, DevOps, and Product teams.
What Youll Do:
Design, develop, and maintain scalable, secure data platforms and backend services on AWS.
Build batch and streaming ETL/ELT pipelines using Spark, Glue, Athena, Iceberg, Lambda, and EKS.
Develop backend components and data-processing workflows in a cloud-native environment.
Optimize performance, reliability, and observability of data pipelines and backend services.
Collaborate with ML, backend, DevOps, and product teams to deliver data-powered solutions.
Drive best practices, code quality, and technical excellence within the team.
Ensure security, compliance, and auditability using AWS best practices (IAM, encryption, auditing).
Tech Stack:
AWS Services: S3, Lambda, Glue, Step Functions, Kinesis, Athena, EMR, Airflow, Iceberg, EKS, SNS/SQS, EventBridge
Languages: Python (Node.js/TypeScript a plus)
Data & Processing: batch & streaming pipelines, distributed computing, serverless architectures, big data workflows
Tooling: CI/CD, GitHub, IaC (Terraform/CDK/SAM), containerized environments, Kubernetes
Observability: CloudWatch, Splunk, Grafana, Datadog
Key Responsibilities:
Design, develop, and maintain scalable, secure backend services and data platforms on AWS
Build and operate batch and streaming ETL/ELT pipelines using Spark, Glue, Athena, Iceberg, Lambda, and EKS
Develop backend components and data processing workflows in a cloud-native environment
Optimize performance, reliability, and observability of data pipelines and backend services
Collaborate with ML, backend, DevOps, and product teams to deliver data-driven solutions
Lead best practices in code quality, architecture, and technical excellence
Ensure security, compliance, and auditability using AWS best practices (IAM, encryption, auditing)

Key Responsibilities
Lead the design, development, and maintenance of backend services using Java, Spring, and modern frameworks, ensuring scalability, reliability, and security.
Architect and optimize RESTful and asynchronous APIs (GraphQL/gRPC/event‑driven) to support both internal services and external integrations.
Integrate AI agents and backend services leveraging Large Language Models (LLMs) and other machine‑learning technologies, guiding implementation best practices.
Drive system architecture discussions and decisions, participate in enterprise‑wide design reviews, and contribute to ongoing process and technology improvements.
Collaborate closely with Product, Frontend, DevOps,s and Data teams to deliver secure, robust, and scalable solutions, translating business requirements into technical specifications.
Establish and evolve CI/CD pipelines and automated testing strategies (unit, integration, load, and security tests) to ensure high code quality and smooth releases.
Diagnose and resolve complex production issues, perform root‑cause analysis, and implement corrective actions to improve system reliability and performance.