דרושים » פיתוח תוכנה » Data Backend Engineer, Platform Foundations

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לפני 5 שעות
Location: Tel Aviv-Yafo
Job Type: Full Time
At Similarweb, we are revolutionizing the way businesses interact with the digital world by revealing to them everything that happens online.

Our unique data and solutions empower over 4,300 customers globally, including industry giants like Google, eBay, and Adidas, to make game-changing decisions that drive their digital strategies.

In 2021, we went public on the New York Stock Exchange, and we continue to reach new heights! Come work alongside Similarwebbers across the globe who are bright, curious, practical and good people.

What Youll Do:
Youll be part of the group responsible for Similarwebs main products. You will impact the work of developers in the group by designing, building and maintaining the core infrastructure of our solution and leading the research and development of new technologies as well as maintaining code standards and practices.

What does the day to day of Infrastructure Engineer at Similarweb look like:

You will be working on Similarwebs core B2B platform that serves tens of thousands of customers, serving hundreds of terabytes in production. Our backend engineers are responsible for the entire data lifecycle - from our endless datatlakes, through choosing the right serving methods and databases, all the way to our api services.

Your role will include:

Design and implement scalable backend services and libraries that are reusable and maintainable, serving as the foundation for various applications across the company.
Build and maintain tools that streamline development workflows, enabling product teams to focus on delivering business value.
Define and promote best practices for code quality, performance, and reliability, ensuring healthy production environments and rapid development cycles.
Lead the adoption and integration of AI tools to assist in code generation, testing, documentation, and debugging, thereby accelerating development processes.
Perform proof-of-concepts (POCs) on emerging technologies, including AI agents and platforms, to assess their applicability and benefits to our development ecosystem.
Drive cross-team technical projects aimed at improving infrastructure scalability, reliability, and developer experience.
Analyze and resolve complex production issues, ensuring minimal downtime and optimal performance.
Contribute to the evolution of our system architecture, ensuring it supports rapid development and scaling needs.
Requirements:
Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
5+ years of experience in backend development, with a strong focus on infrastructure and platform engineering.
Proficiency in programming languages such as C#, Python, Java, or Go.
Experience building large-scale infrastructure applications or large-scale web applications.
Experience improving stability of large-scale systems using monitoring, solving bottle-necks and making appropriate changes.
High coding standards, working independently and experience leading long term tech tasks involving many teams and stakeholders.
Experience with cloud platforms (e.g., AWS, GCP, Azure) and container orchestration tools like Kubernetes.
Familiarity with CI/CD pipelines and infrastructure-as-code tools (e.g., Terraform, Ansible).
Demonstrated experience in integrating and leveraging AI tools to enhance development workflows.
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לפני 5 שעות
SimilarWeb
Location: Tel Aviv-Yafo
Job Type: Full Time
At Similarweb, we are revolutionizing the way businesses interact with the digital world by revealing to them everything that happens online.

Our unique data and solutions empower over 4,300 customers globally, including industry giants like Google, eBay, and Adidas, to make game-changing decisions that drive their digital strategies.

In 2021, we went public on the New York Stock Exchange, and we continue to reach new heights! Come work alongside Similarwebbers across the globe who are bright, curious, practical and good people.

What Youll Do:
Youll be part of the group responsible for Similarwebs main products. You will impact the work of developers in the group by designing, building and maintaining the core infrastructure of our solution and leading the research and development of new technologies as well as maintaining code standards and practices.

What does the day to day of Infrastructure Engineer at Similarweb look like:

You will be working on Similarwebs core B2B platform that serves tens of thousands of customers, serving hundreds of terabytes in production. Our backend engineers are responsible for the entire data lifecycle - from our endless datatlakes, through choosing the right serving methods and databases, all the way to our api services.

Your role will include:

Design and implement scalable backend services and libraries that are reusable and maintainable, serving as the foundation for various applications across the company.
Build and maintain tools that streamline development workflows, enabling product teams to focus on delivering business value.
Define and promote best practices for code quality, performance, and reliability, ensuring healthy production environments and rapid development cycles.
Lead the adoption and integration of AI tools to assist in code generation, testing, documentation, and debugging, thereby accelerating development processes.
Perform proof-of-concepts (POCs) on emerging technologies, including AI agents and platforms, to assess their applicability and benefits to our development ecosystem.
Drive cross-team technical projects aimed at improving infrastructure scalability, reliability, and developer experience.
Analyze and resolve complex production issues, ensuring minimal downtime and optimal performance.
Contribute to the evolution of our system architecture, ensuring it supports rapid development and scaling needs.
Requirements:
Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
5+ years of experience in backend development, with a strong focus on infrastructure and platform engineering.
Proficiency in programming languages such as C#, Python, Java, or Go.
Experience building large-scale infrastructure applications or large-scale web applications.
Experience improving stability of large-scale systems using monitoring, solving bottle-necks and making appropriate changes.
High coding standards, working independently and experience leading long term tech tasks involving many teams and stakeholders.
Experience with cloud platforms (e.g., AWS, GCP, Azure) and container orchestration tools like Kubernetes.
Familiarity with CI/CD pipelines and infrastructure-as-code tools (e.g., Terraform, Ansible).
Demonstrated experience in integrating and leveraging AI tools to enhance development workflows.
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5 ימים
ironSource
Location: Tel Aviv-Yafo
Job Type: Full Time
Unity LevelPlay is a leading mediation platform that empowers app developers to optimize ad revenue by seamlessly connecting their apps to multiple ad networks.
At the core of LevelPlay, the LevelPlay Infra team is responsible for the mission-critical, real-time in-app bidding system, which serves billions of ad auction requests per day.

We are looking for an experienced and passionate Staff Backend Software Engineer

to join a rapidly growing team. In this role, you will lead the design and evolution of our large-scale, real-time infrastructure that powers global in-app advertising.

Youll tackle complex engineering challenges and drive the design of systems built for massive scale, reliability, and performance. As a hands-on technical leader, youll influence architecture and implementation decisions that define the future of LevelPlays infrastructure.

This is a great opportunity for experienced professionals who have a strong background in backend development and a deep understanding of large-scale distributed systems. If you're passionate about tackling complex technical challenges and building products that reach a massive global audience, this role is for you.

What you'll be doing
Lead the design and development of large-scale, low-latency, high-throughput systems that power real-time ad bidding and delivery.
Define and drive technical strategy and long-term architecture for LevelPlays core infrastructure.
Collaborate cross-functionally with product, data, and ad network integration teams to deliver impactful solutions that scale globally.
Mentor and guide engineers, fostering a culture of technical excellence, ownership, and continuous improvement.
Investigate and resolve complex system challenges, optimizing performance, reliability, and cost efficiency.
Requirements:
What we're looking for
8+ years of experience in software engineering, with significant experience in distributed systems, real-time systems, or high-scale backend infrastructure,i.e, message queue technologies (e.g., Kafka, Kinesis, SQS), and key-value databases (e.g., Aerospike, Redis).
Proven track record of technical leadership setting architectural direction, mentoring engineers, and leading projects end-to-end.
Strong proficiency in Java, Scala, Go, or similar languages, and experience working in JVM-based production environments.
Deep understanding of system design, concurrency, performance tuning, and data pipelines.
Experience with cloud infrastructure (AWS, GCP, or similar) and modern DevOps practices.
Excellent communication and collaboration skills; ability to influence technical and product decisions across teams.
You might also have
Understanding of distributed stream processing and having experience with Flink, Spark Streaming, etc
Background in observability, distributed tracing, and performance analytics.
Previous ad-tech experience
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דיווח על תוכן לא הולם או מפלה
מה השם שלך?
תיאור
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תודה על שיתוף הפעולה
מודים לך שלקחת חלק בשיפור התוכן שלנו :)
2 ימים
WIX
Location: Tel Aviv-Yafo
Job Type: Full Time
Building Wixs 3000 microservices and 32M lines of code requires high-scale CI/CD. Bazel is our build tool of choice and we front its Scala integration and work on building additional sophisticated features, world-class pipelines, and highly scalable services to support them. We do hardcore backend engineering and specialize in Bazel, its tooling, and integrations.
We also work closely with the developers at Wix to improve their day-to-day experience and eliminate velocity killers, from their IDE to GA.

As an engineer in the Bazel team, youll:

Build and maintain tooling that helps our developers build and deliver code faster

Build, and maintain highly scalable backend services providing unique CI/CD experiences to support Wixs backend code.

Work as a part of the Bazel OSS community, participate in discussions and workgroups and help shape Bazel itself
Requirements:
8+ years of experience in server-side technologies

In-depth understanding of Object-Oriented Programming (OOP) and SOLID principles

Skilled in debugging and investigating production issues and youre also able to recognize and address bad code

You have a good knowledge and interest in microservice architecture

Youre responsible and can work independently

You actively keep up with industry trends and developments and youre continuously searching for better solutions

Quick grasp of large and complex systems and their inner workings

Familiar with software engineering best practices (testing, code reviews, immutability, scalability, etc.)

Knowledgeable about bad practices and anti-patterns

Team player committed to the success of the team

An advantage if you:

Have experience using Bazel

Are familiar with Scala

Have worked with Docker and Kubernetes

Have a passion for DevEx-related topics: developer tooling, development environments, and build tools
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1 ימים
Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
Were looking for an experienced Principal or Senior Backend Engineer to join our Harmony SaaS Security team a high-performing group born from a successful cybersecurity startup acquisition. We operate with startup agility and innovation, backed by the global strength of a world-class security leader.

Why Join Us
High-Trust, High-Talent Team: Work with smart, humble engineers who value collaboration and excellence
Startup Energy, Global Impact: Innovate quickly within a global cybersecurity organization
Meaningful Ownership: Shape the architecture and technical direction of a platform redefining how enterprises secure SaaS and GenAI
AI-Accelerated Development: We embrace tools like Cursor, Claude, and ChatGPT - while maintaining strong coding standards
Our tech stack includes Go, Kubernetes, Kafka, GCP, Postgres, Redis, BigQuery, Terraform, Temporal, Prometheus, OpenTelemetry, and more - delivering scalable, reliable systems that protect modern SaaS and GenAI ecosystems.
Key Responsibilities
Lead the technical design and direction of core platform components.
Mentor and guide developers, promoting a culture of excellence and collaboration.
Drive critical architectural initiatives and ensure best practices across the stack.
Build and optimize scalable, secure backend systems supporting enterprise-scale SaaS security.
If you love leading from the front - solving complex problems, mentoring engineers, and building scalable security solutions - wed love to meet you.
Requirements:
8+ years building and operating large-scale backend systems and cloud computing.
Strong Experience with Go (or similar compiled languages).
Proven experience leading projects, mentoring developers, and driving technical initiatives.
Strong systems-thinking mindset: experienced in event-driven architectures, message queues, and workflow orchestration.
A builder at heart: focused on quality, scalability, and continuous improvement.
It would be great if you also have:

Background in cybersecurity or SaaS security.
Experience integrating with major SaaS provider APIs.
Familiarity with analytical extensions (e.g., TimescaleDB, ClickHouse) or AI-driven data pipelines.
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דיווח על תוכן לא הולם או מפלה
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מודים לך שלקחת חלק בשיפור התוכן שלנו :)
לפני 5 שעות
SimilarWeb
Location: Tel Aviv-Yafo
Job Type: Full Time
As an AI Backend Engineer at SimilarWeb, you will be a key player in building our new AI platform, AI Studio. This platform aims to provide users with instant answers to complex market research questions, generate world-class reports, and create live, interactive, and powerful dashboards. Our goal is to reduce the complexity and time-to-insight for our users, helping them streamline their market tasks and achieve automation that drives real value.



Responsibilities:

Design and develop LLM-based intelligent agents that can handle complex market research queries.

Utilize LangGraph and other frameworks to create state of the art AI agents that integrate various tools and data sources.

Implement integrations that allow agents to take automated actions on behalf of users, streamlining workflows and reducing overhead.

Collaborate with product, data, and UX teams to ensure that AI solutions are aligned with user needs and business goals.

Continuously evaluate and improve the performance of AI models to ensure high-quality and data-driven results.
Requirements:
Mandatory Skills:

5+ years of experience in software engineering, with strong proficiency in Python.

Experience with LangGraph, LangChain, or similar frameworks for building AI agents.

Strong understanding of LLMs, prompt engineering, and AI agent architectures.

Familiarity with REST APIs and integrating external data sources.

Preferred Skills:

Familiarity with the AI Agents ecosystem, including different LLM providers, vector store solutions, MCPs, and more.

Experience with evaluating LLM performance and quality.

Familiarity with cloud environments, especially AWS.
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מודים לך שלקחת חלק בשיפור התוכן שלנו :)
2 ימים
WIX
Location: Tel Aviv-Yafo
Job Type: Full Time
The Online Stores group is responsible for an eCommerce platform with hundreds of thousands of online stores, processing billions of dollars in yearly GPV. The team is at the heart of this ecosystem, driving innovation and building the next generation of online commerce experiences. We work on a platform that influences millions of users and generates billions in revenue.

If youre passionate about backend engineering and want to work on projects that make a difference, wed love to hear from you!
Requirements:
5+ years of experience in backend development, designing and building robust distributed systems at scale
Deep knowledge of server-side technologies such as Scala, Node.js, Java, C#, or similar, and experience with microservices architectures

Experience working with databases (SQL and NoSQL), caching, messaging systems, and designing APIs (RESTful and/or GraphQL)

Strong understanding of performance optimization, security, reliability, and cloud-native/DevOps practices

Ability to lead projects, collaborate with multiple teams, communicate technical concepts effectively, and work in a fast-paced, high-impact environment

Familiarity with CI/CD workflows, version control (Git), monitoring/logging tools, and modern development processes
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1 ימים
Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
We are building AI solutions that will shape the future of Check Point. As part of the Network Security Management Products area, our team is the focal point for AI innovations. We lead the design and development of AI features that power and influence products across the entire area.

We are looking for an AI Developer who is excited to design, build, and improve AI solutions. This is your chance to work with the latest AI tools, shape new features, and make a meaningful impact on how AI is used in Check Points network security management products.

Key Responsibilities
Develop AI solutions and features that enhance Check Points network security management products.
Design, integrate, and maintain AI technologies and services across multiple products.
Build and improve AI tools, agents, and capabilities that support many products.
Collaborate with teams across the organization to deliver AI-powered innovation.
Requirements:
3+ years of experience as a Backend Software Developer.
Proficiency in one of the following: Python, TypeScript.
B.Sc. in Computer Science with a GPA above 85 MUST.
Experience with Linux, Git, Docker.
Experience with Cloud platforms (e.g., AWS, Azure), CI/CD, and Kubernetes.
Familiarity with databases such as PostgreSQL, MongoDB, MySQL, or Oracle.
Advantages

Experience with GenAI, LangChain, RAG, and prompt engineering.
Experience with Knowledge Graphs.
Familiarity with frontend technologies (HTML, CSS, JavaScript, React).
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מודים לך שלקחת חלק בשיפור התוכן שלנו :)
2 ימים
WIX
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
As a Backend Engineer, youll join a growing global team at Wix, shaping the future of eCommerce. Youll develop and maintain the core selling and order management capabilities for all Wix verticals.
Working in a highly distributed, cutting-edge environment, youll play a central role in building scalable, resilient systems that handle millions of requests per minute. In your day-to-day, you will:

Build and maintain backend systems to process 1.5 million API requests and 400,000 events per minute
Design, implement, and optimize scalable and resilient systems with an API-first approach
Solve high-scale technical challenges in a distributed microservices environment (~100 microservices)
Collaborate with cross-functional teams to ensure seamless integration and functionality across the platform
Lead technical initiatives to improve system performance, reliability, and scalability
Mentor and guide junior engineers to help them reach their full potential Strong communication skills in both Hebrew and English are required.


This position is primarily an in-person role, and candidates should be prepared to come to our Tel Aviv office 4 days a week, with 1 day working from home.
Requirements:
4+ years of experience as a backend engineer
In-depth understanding of Object-Oriented Programming (OOP) and SOLID principles
Background in design, with a passion for Test-Driven Development (TDD) methodology
Knowledge and interest in microservice architectures
Strong communication skills in both Hebrew and English
Team player committed to the success of the team
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2 ימים
WIX
Location: Tel Aviv-Yafo
Job Type: Full Time
As a Backend Engineer for Wix Enterprise, you will be a key player in building the future of our B2B offerings. You'll tackle the complex challenges of creating secure, multi-tenant solutions for our largest clients. You will take full ownership of features from the database to the API, and collaborate with a talented team to deliver high-impact products in a fast-paced, iterative environment. You will:

Innovate and experiment with new technologies to design and develop multi-tenant enterprise solutions
Write modular, hands-on Scala or Java code, balancing rapid prototyping with long-term maintainability
Deliver scalable, high-quality products using an iterative, release-driven methodology
Collaborate closely with Product, QA, UX, and BI stakeholders to align on requirements and achieve team goals
Take full ownership of the development cycle, from database integration to API creation and deployment
Optimize the performance of complex, data-driven applications
Contribute to a culture of innovation and knowledge-sharing within the R&D community
Requirements:
6+ years of experience in backend development
Fluent in both spoken and written Hebrew and English
A strong foundation in data structures, algorithms, and object-oriented software design
A startup mindset combined with production-level discipline to build simple, robust, and maintainable solutions
Excellent teamwork, communication, and problem-solving abilities
A genuine passion for continuous learning and exploring emerging technologies
Experience or a strong interest in AI technologies would be an advantage
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WIX
Location: Tel Aviv-Yafo
Job Type: Full Time
As a Backend Developer on Wix's Document Management team, youll be at the core of our Editor platform, where you'll build and maintain the scalable backend systems that power 192+ million users' websites. In your day-to-day you will:

Develop and maintain highly scalable backend systems supporting 192+ million users across multiple Editor types
Create and optimize JSON definitions that power live site rendering and user experiences
Build robust business logic solutions for all Wix editor functionalities and workflows
Design and expose APIs to verticals and editors for seamless document manipulation
Implement high RPM services while managing complex CPU and memory optimization requirements
Deploy production-ready code daily using Node.js, Scala, and serverless architectures
Practice test-driven development and maintain clean, maintainable code standards across microservices
Requirements:
4+ years of backend development experience with strong proficiency in Node.js production environments
Fluent English written and spoken communication skills for technical collaboration
Deep understanding of microservices architecture, scalability principles, and high RPM service optimization
Hands-on experience with server-side technologies like Node.js, Scala, and serverless architectures
Strong communication skills, proactive problem-solving approach, and ability to collaborate effectively in agile development teams
Experience with complex CPU/memory optimization techniques an advantage
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