לוח משרות דרושים Backend Engineer משרה מלאה

As a Backend Developer, youll be building powerful features that push the boundaries of what technology can do in global trade. You'll work alongside a talented and diverse team of engineers, product minds, QA specialists, and domain expertseach bringing deep knowledge and fresh perspectives. In this role, youll take full ownership of complex backend systems, designing and developing robust server-side architecture from start to finish. We value independence, accountability, and the drive to turn ambitious ideas into production-ready reality.

Roles & Responsibilities:
Write scalable server-side code using Python.
Work in AWS cloud environment
Implement and maintain RESTful APIs for seamless communication between FE and BE.
Work with rational/nosql/objectstores such as MongoDB, PostgreSQL, Neptune, s3 to store and retrieve data
Write clean, readable, quality and testable code writing.
Test and debug applications to ensure high quality and performance.
Review pull requests to ensure high quality and maintainable solutions.
Seeing through a project from conception to delivery.
Follow-up on new evolutions of technology and take initiative to understand how the development will look tomorrow and help us get there.

What youll do:
Own the technical direction of the Account Security group, driving architecture, engineering standards, and long-term technical strategy across multiple teams.
Be accountable for system design, architecture, code quality, reliability, scalability, and production readiness of mission-critical security services (authentication, MFA, real-time risk, bot protection, and abuse prevention).
Define and enforce engineering best practices and coding standards, ensuring high-quality, secure, and maintainable code across the group.
Design and evolve secure, scalable, and highly available backend systems that operate under real-time, high-throughput, and high-risk environments.
Partner closely with Product, Risk, Data, DevOps, and other R&D teams to align technical solutions with business and security needs.
Lead technical decision-making and navigate complex trade-offs between security, performance, scalability, and time to market.
Represent the group in architectural forums and design reviews, sign off on critical designs, and influence company-wide security architecture.
Proactively identify technical gaps, scalability risks, and security weaknesses, and drive cross-group initiatives to address them.
Continuously raise the engineering bar through design reviews, code reviews, testing strategies, observability, and operational excellence.
Mentor senior engineers and emerging technical leaders, shaping technical thinking and ownership across the group.
Play a key role in hiring, technical interviews, onboarding, and defining what great looks like for engineers in the group.

We are looking for an experienced, passionate Senior Backend Engineer (Platform Team) to join our growing TLV R&D location.
You'll be joining the backend group to help us expand our infrastructure and add new features to the company's core product.
As a Backend Engineer in our platform team, You'll take part in our effort to improve our product, productivity, security and the ability to scale. Opportunity to make a significant impact by driving the technical direction of a high-growth company.
As a Backend Engineer, you will:
Develop and maintain policies and procedures for software development, deployment, and maintenance. Monitor cloud environments using infrastructure as code methodologies
Work closely with other development teams to ensure that our software applications meet the needs of the organization
Participate actively in code reviews to uphold high standards of quality and maintainability in software development
Stay up-to-date with emerging trends and technologies and assess their potential impact on our organization

We are looking for an experienced, passionate Senior Backend Engineer (Platform Team) to join our growing TLV R&D location. You'll be joining the backend group to help us expand our infrastructure and add new features to the company's core product.
As a Senior Backend Engineer in our platform team, You'll take part in our effort to improve our product, productivity, security and the ability to scale. Opportunity to make a significant impact by driving the technical direction of a high-growth company.
As a Senior Backend Engineer, you will:
Develop and maintain policies and procedures for software development, deployment, and maintenance. Monitor cloud environments using infrastructure as code methodologies
Work closely with other teams, such as development and operations, to ensure that our software applications meet the needs of the organization.
Participate actively in code reviews to uphold high standards of quality and maintainability in software development
Work collaboratively with product teams to design and implement new cloud services and workflows, contributing to the continuous improvement of our platform
Stay up-to-date with emerging trends and technologies in Cloud, and assess their potential impact on our organization

Required Experienced Backend Engineer, Audience Extension
Realize your potential by joining the leading performance-driven advertising company!
As an Experienced 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 us
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 us
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
Our Tech Stack:
Java, Spark, Kafka, Hadoop, Cassandra, Vertica, MySQL, HDFS, BigQuery, Docker, Linux, Kubernetes, Prometheus, Grafana, Airflow.

Required Experienced Backend Engineer
Realize your potential by joining the leading performance-driven advertising company!
As an Experienced Backend Engineer in Demand in our Tel-Aviv Office, youll play a vital role in developing one of the largest real-time big data operations in the world to support over 40TB of new data every day.
How youll make an impact:
As an Experienced Backend Engineer, youll bring value by:
Design and develop systems that help our advertisers manage budgets and optimize performance toward their business goals.
Build scalable, reliable solutions to process and analyze massive data sets and generate actionable insights.
Work on a large-scale, high-throughput recommendation system that impacts how billions of people discover the internet.
Leverage one of the worlds largest real-time big data operations, processing over 140TB of new data daily.
Take full ownership: design, build, launch, measure, and maintain products that help advertisers achieve their goals effectively and at scale.
Collaborate with talented engineers, data scientists, and product managers to create innovative, high-impact solutions.

We are At Cross River, we're building the financial infrastructure that powers global innovation. With our cutting-edge suite of embedded payments, cards, and lending solutions, we enable millions of businesses and consumers to transact seamlessly and securely. With 900+ employees worldwide and an R&D center of over 160 employees in Jerusalem - we’re reshaping how financial technology is developed and delivered. .

The Role:
We are looking for a backend engineer who can design, build, and operate highly reliable Node.js services on AWS that enable generative?AI capabilities across our products and internal workflows. You will create scalable APIs, data pipelines, and serverless architectures that integrate large?language?model (LLM) services such as Amazon Bedrock, OpenAI, and open?source models, enabling teams to safely and efficiently leverage generative AI.

Who You Are:

* You have experience building Retrieval?Augmented Generation (RAG) systems or knowledge?base chatbots.
* You're Hands?on with vector databases such as Pinecone, Chroma, or pgvector on Postgres/Aurora.
* Have AWS certification (Developer, Solutions Architect, or Machine Learning Specialty).
* Experience with observability tooling (Datadog, New Relic) and cost?optimization strategies for AI workloads.
* Background in microservices, domain?driven design, or event?sourcing patterns.

What You’ll Actually Be Doing:

* Design and implement REST/GraphQL APIs in Node.js/TypeScript to serve generative?AI features such as chat, summarization, and content generation.
* Build and maintain AWS?native architectures using Lambda, API Gateway, ECS/Fargate, DynamoDB, S3, and Step Functions.
* Integrate and orchestrate LLM services (Amazon Bedrock, OpenAI, self?hosted models) and vector databases (Amazon Aurora pgvector, Pinecone, Chroma) to power Retrieval?Augmented Generation (RAG) pipelines.
* Create secure, observable, and cost?efficient infrastructure as code (CDK/Terraform) and automate CI/CD with GitHub Actions or AWS CodePipeline.
* Implement monitoring, tracing, and logging (CloudWatch, X?Ray, OpenTelemetry) to track latency, cost, and output quality of AI endpoints.
* Collaborate with ML engineers, product managers, and front?end teams in agile sprints; participate in design reviews and knowledge?sharing sessions.
* Establish best practices for prompt engineering, model evaluation, and data governance to ensure responsible AI usage.


Why You’ll Love Working Here:

* Flexible hybrid model: 3 days a week in the office – A must
* ₪1,000 net monthly wellness benefit – from therapy to Pilates to your kid’s art class
* Full Keren Hishtalmut, private health & dental insurance
* Donation matching, volunteering days, team outings, and mentorship programs
* A mission-driven culture that values ownership, trust, and meaningful impact


Next Step:
Hit Apply!

Our teams deploy fast and often, having code deployed in production shortly after it was written, focusing on safety, robustness and proper architecture of our backend that handles over a hundred of billions of events daily at a fast pace.

Backend developers shape and improve our microservices architecture daily to provide the leading mobile analytics solution. To do this, we use cutting-edge technologies such as Clojure, Go, Kafka, Redis, BigQuery, GraphQL, SQL and NoSQL databases, in addition to hosted solutions that AWS and GCP have to offer and more

We encourage engineering excellence and promote industry best practices, and were looking for great backend developers with a passion for challenging themselves while solving technical problems at a large scale.

What youll do:
Own and develop our products and features end-to-end - from design to production.
Solve diverse, complex problems at a large scale.
Collaborate with Product Managers and Software Engineers to deliver value to customers.
Analyze and improve performance, scalability and stability of our products, environments and tools.
Continuously learn and evaluate new technologies in the everlasting effort to perfect our products and adapt to the ever-growing scale.

Required Backend Software Engineer- Core
As part of the role you will have the opportunity to:
Design and develop new product features using modern backend technologies
Develop and maintain highly scalable and performant backend services
Solve challenging problems in a fast-paced and evolving environment, while maintaining uncompromising quality
Research on integration with IoT devices such as security cameras, access control, UPS, routers, and other wireless equipment
Integrate with device management platforms such as VMS in an efficient and cost-effective way
Guide and mentor other team members.

We are building a large-scale backend platform for orchestrating and managing critical infrastructure state at massive scale.
As a backend engineer, you'll help design and develop high-concurrency, race-free backend services using Go (Golang), ensuring strong consistency, reliability, and performance.
You will:
Build highly concurrent backend services capable of safely handling tens of thousands of parallel operations.
Design and implement scalable APIs (REST, WebSocket, or gRPC).
Ensure consistent state management for critical infrastructure data.
Optimize system performance, reliability, and observability.
Write production-grade, maintainable, and well-tested code.
Collaborate with frontend engineers, architects, and product managers.
While initial development is focused on Go, future projects may involve other languages or stacks.
We're looking for engineers who are either experienced in Go or highly motivated to master it, and who are comfortable adapting to different technologies as needed.
Key Responsibilities
Design, develop, and maintain high-concurrency, race-free backend services using Go (Golang).
Implement scalable APIs for resource operations (REST, WebSocket, gRPC).
Ensure system consistency, performance, and reliability under high load.
Write clean, production-quality code with proper testing and observability.
Participate in system design reviews, code reviews, and team knowledge sharing.
Work closely with product managers, architects, and frontend developers.
Troubleshoot and maintain backend systems to meet SLA and performance targets.

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 Lemonade 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 teamsall 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) and Ruby on Rails running over Kubernetes

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

we are a world-leading online trading platform with hundreds of thousands of active users placing millions of trades a month.
Our mission is to disrupt the age-old trade markets by building digital technologies that make trading around the world accessible and more efficient.
What to Expect - The Role
We are looking for a highly motivated backend software engineer specializing in creating high-scale, distributed backend systems.
You must demonstrate strong software engineering skills, excellent interpersonal communication, extreme ownership, and the ability to accept and give meaningful technical feedback.
You will be responsible for designing architecture, writing correct, robust code, maintaining and improving existing functionality, and shipping new features.
You will work as part of a Scrum-Agile cross-functional team and collaborate with front-end engineers, quality engineers, product managers, and more.
The platform you help us build will scale novel functionality to millions of Plus users worldwide.
Our team strives to set the bar for real-time, high-scale, mission-critical trading systems. We want to work with people who are excited by this goal and have the talent to deliver on it.
What Youll Do - Responsibilities
Design and build scalable, high-availability mission-critical systems and APIs
Drive the migration of large-scale, distributed trading services towards cloud-native microservices
Solve problems using distributed, asynchronous messaging
Tackle technical challenges - performance, fault-tolerance, security, and live production issues
Work closely with product, DevOps\SRE, and infrastructure teams - we practice full-cycle development where developers own and operate what they build.
Mentor Jr engineers as a Senior member of the team.

We are looking for a highly motivated backend software engineer specializing in creating high-scale, distributed backend systems.
You must demonstrate strong software engineering skills, excellent interpersonal communication, extreme ownership, and the ability to accept and give meaningful technical feedback.
You will be responsible for designing architecture, writing correct, robust code, maintaining and improving existing functionality, and shipping new features.
You will work as part of a Scrum-Agile cross-functional team and collaborate with front-end engineers, quality engineers, product managers, and more.
The platform you help us build will scale novel functionality to millions of Plus users worldwide.
Our team strives to set the bar for real-time, high-scale, mission-critical trading systems. We want to work with people who are excited by this goal and have the talent to deliver on it.
What Youll Do - Responsibilities
Design and build scalable, high-availability mission-critical systems and APIs
Drive the migration of large-scale, distributed trading services towards cloud-native microservices
Solve problems using distributed, asynchronous messaging
Tackle technical challenges - performance, fault-tolerance, security, and live production issues
Work closely with product, DevOps\SRE, and infrastructure teams - we practice full-cycle development where developers own and operate what they build.
Mentor Jr engineers as a Senior member of the team.

We are looking for talented and ambitious individuals to join our Yoqneam IC team.
Roles and responsibilites:
The candidate will join our BE team, focusing on Full-Chip floor-planning, timing closure and integration, collaborating closely with frontend design, architecture, physical design, and analog teams. Additionally, the candidate will provide support to design teams across various methodologies and contribute to project execution efforts.
What will the candidate be doing
Lead Full Chip Layout activities & methodologies for a brand new SoC, from definition to Tape Out.
Floor Planning Top to Bottom & Bottom up FC, Sub System & Block level.
Involved in chip architecture, in close collaboration with the packaging, design & architecture teams. Exploring different floorplan structures to achieve both best area & ease of convergence.
Drive sign-off timing convergence for high performance designs at Full-chip and building block level.
Involved in definition of overall STA methodology, STA infrastructure and sign-off convergence flows, working closely with block owners throughout the project for sign-off timing convergence.
Work closely with EDA (Electronic Design Automation) vendors on latest tool feature development and qualification.