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חברה חסויה
Location: Ramat Gan
Job Type: Full Time
We are looking for a Senior Backend Engineer.
Responsibilities :
As a senior backend developer on our team, you will help us build a world class scalable backend platform. You will be responsible for the end-to-end feature lifecycle: starting from design and architecture, through implementing, testing, and releasing the feature. You will also get the chance to use your experience to help us make our product better, by taking part in architecture design and technological leadership.
Requirements:
10+ years of experience developing backend systems with a passion for excellence.
5+ years of experience in Python.
5+ years of experience with tools such as containers, CI/CD, testing/monitoring / logging.
Experience with REST APIs, server-side API integration, queues, and distributed systems.
Knowledge of ORM, SQL, and Data Modeling.
Understanding of system design and knowledge of system design patterns.
Experience with microservices architecture.
Previous experience in E2E design and implementation of features as part of large-scale backend projects.
Bonus:
Understanding ML fundamentals.
B.Sc. or higher in Computer Science or similar.
Experience with airflow
Experience with spark
Experience with fastAPI
This position is open to all candidates.
 
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חברה חסויה
Location: Ramat Gan
Job Type: Full Time
We are looking for a Principal Backend Engineer .
Responsibilities :
As a senior backend developer on our team, you will help us build a world class scalable backend platform. You will be responsible for the end-to-end feature lifecycle: starting from design and architecture, through implementing, testing, and releasing the feature. You will also get the chance to use your experience to help us make our product better, by taking part in architecture design and technological leadership.
Requirements:
15+ years of experience developing backend systems with passion for excellence.
10+ years of experience in Python.
5+ years of experience with tools such as containers, CI/CD, testing / monitoring / logging.
Experience with REST APIs, server-side API integration, queues and distributed systems.
Knowledge of ORM, SQL and Data Modeling.
Understanding of system design and knowledge of system design patterns.
Experience with microservices architecture.
Previous experience in E2E design and implementation of features as part of large scale backend projects.
Bonus:
Understanding ML fundamentals.
B.Sc. or higher in Computer Science or similar.
Experience with airflow
Experience with spark
Experience with fastAPI
This position is open to all candidates.
 
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חברה חסויה
Location: Ramat Gan
Job Type: Full Time
We are looking for a Principal ML Engineer.
Responsibilities:
Work on core data and machine learning infrastructure, which is at the heart of offering. You will create innovative solutions for data ingestion and normalization from multiple data sources, feature engineering and feature selection, as well as actual model training and evaluation. All in large scale and completely automated.
Requirements:
10+ years experience as a Machine Learning Engineer.
15+ years of experience with Python/Java/Scala.
Strong understanding of distributed systems, object-oriented programming and design pattern
Distributed Compute frameworks such as Spark, Dask, Ray etc
Experience with REST APIs, server-side API integration, queues and distributed systems.
Knowledge of ORM, SQL and Data Modeling.
Understanding of system design and knowledge of system design patterns.
Experience with microservices architecture.
Previous experience in E2E design and implementation of features as part of large scale backend projects.
MLOps
Hands-on experience with open source ML libraries like: catboost, lightgbm, xgboost, scikit-learn, NumPy, Pandas, Microservices architecture, cloud technologies, Docker/K8s.
Ability to design and own a feature through all its phases.
Bonus:
BSc./MSc. In CS or similar an advantage
Building data pipelines using Apache Airflow
Hands on experience with Spark, SparkSQL, Spark streaming and other Spark related projects
This position is open to all candidates.
 
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חברה חסויה
Location: Ramat Gan
Job Type: Full Time
We are seeking a Backend Developer with a deep understanding of web application architecture, server-side programming, and a passion for optimizing backend systems. The ideal candidate will thrive in a collaborative environment and bring a wealth of experience to help maintain and improve the performance of our backend systems, ensuring high availability, scalability, and reliability.
As a Backend Developer, you will play a key role in developing and maintaining robust, efficient, and scalable Python-based backend systems. This includes building and optimizing data storage solutions, implementing APIs, and managing databases using clean and maintainable code. Youll be part of a dynamic team dedicated to solving complex technical challenges and delivering solutions that meet client and team requirements.

Role:
* Build and optimize Python-based backend services and APIs to deliver real-time content recommendations with low latency across multiple data centers.
* Handle large-scale data processing and ensure the performance and scalability of backend systems.
* Design and implement efficient data storage and retrieval mechanisms using databases like PostgreSQL, MySQL, and NoSQL systems (Redis, Elasticsearch).
* Integrate with cloud platforms (AWS, GCP, or similar) to deploy and manage backend services, ensuring high availability and fault tolerance.
* Collaborate with cross-functional teams to understand business requirements and translate them into effective backend solutions.
* Write clean, maintainable, and well-documented Python code that adheres to industry best practices.
* Stay up-to-date with emerging technologies and trends in backend development, and continuously improve the backend stack.
Requirements:
* At least 3 years of solid experience in Backend Engineering.
* At least 3 years of experience with cloud platforms like AWS, GCP, or Azure.
* At least 2 years of solid experience with containerization and orchestration tools like Docker and Kubernetes.
* Strong proficiency in Python and a deep understanding of Python web frameworks (e.g., Flask, FastAPI, Tornado).
* Experience working with NoSQL technologies (e.g., Redis, Elasticsearch) for high-performance data storage and retrieval.
* Experience with cloud services (AWS, GCP, Azure) and cloud-native architectures.
* Familiarity with containerization and orchestration tools like Docker and Kubernetes.
* In-depth experience with backend APIs and microservices architectures.
* Ability to optimize and troubleshoot complex systems for performance and efficiency.
* Strong knowledge of data structures, algorithms, and distributed systems.
* Excellent communication skills and a collaborative mindset.
This position is open to all candidates.
 
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חברה חסויה
Location: Ramat Gan
Job Type: Full Time
We are seeking a highly skilled and dynamic Senior Backend developer to join our team and take our technology stack to new heights. In this role, you will be at the forefront of innovation, spearheading the technical aspects of backend projects and guiding a talented team of developers. If you're passionate about data products, large distributed systems, thrive in a collaborative environment, and constantly pushing for engineering excellence , then this is the perfect opportunity for you.




RESPONSIBILITIES:

Play a central role in building complex and large scale systems that powers platform
Measure, analyze and improve the performance, scalability and robustness of the product and processes
Develop complex features end-to-end, from design to deployment, and take full ownership
Assist team members to excel at their job by code and design reviews, and technical guidance
Collaborate with Product, Analysts and Data science teams in order to improve the products quality and deliver new features
Requirements:
Extensive experience from B2B SaaS companies playing a central role on the core backend.
Minimum 8 years of professional backend experience.
Experience and Proficient in Python
Experience with big data products, databases, and ecosystems
Hands-on Experience working with dockers, K8, and infrastructure as a code tool.
Strong coding skills and a get-things-done approach
BSc degree in Computer Science or an equivalent
This position is open to all candidates.
 
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חברה חסויה
Location: Ramat Gan
Job Type: Full Time
We're seeking a Senior Full Stack Engineer with a backend orientation to take the development of high-performance, scalable, and distributed systems powering our analytics platform. You will drive the implementation of backend and frontend systems and contribute to data-driven capabilities at scale. Youll collaborate with product managers and other engineers to bring innovative features to life and deliver high-impact solutions to our customers.



RESPONSIBILITIES

Design and develop backend architecture for scalable, high-performance systems
Build a next-generation analytics web app on React
Build robust APIs and data services to power a next-generation analytics platform
Work with distributed systems, databases, and cloud infrastructure to ensure reliability and speed
Maintain and optimize backend & frontend services, pipelines, and application logic
Participate in code reviews, design discussions, and architectural planning
Requirements:
At least 4 years as a full stack or backend-focused developer
23 years of experience in modern frontend development (React, Angular, or Vue.js)
Strong experience with backend development, including proficiency in Node.js, Python, Java, or Go
Experience designing and maintaining distributed systems and APIs
Hands-on experience with cloud platforms such as Google Cloud Platform or AWS
Knowledge of relational and non-relational databases (e.g., PostgreSQL, MongoDB, BigQuery)
CS degree or equivalent experience
Self-initiated and quick learner
ADVANTAGES

Experience with state management technology such as Redux, MobX, NgRx, Zustand
Algorithms and data structures experience
Experience with big data technologies such as Apache Spark, Kafka, or Airflow. Familiarity with data modeling, batch/stream data processing, and ETL pipelines.
Knowledge of system and client performance optimization and monitoring
Experience with Design systems
Passionate about best coding and design practices
This position is open to all candidates.
 
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חברה חסויה
Location: Ramat Gan
Job Type: Full Time
As a Senior Back-End Developer, you will be responsible for designing, building, and optimizing the core backend systems that power our B2B social media management platform. You will develop scalable and high-performance solutions, contribute to architectural decisions, and collaborate closely with cross-functional teams to deliver impactful features. If you thrive in solving complex challenges, enjoy working with modern backend technologies, and are passionate about building robust and efficient systems, we want to hear from you!

Responsibilities:
Develop and maintain high-quality software solutions, from planning and design to testing, deployment, and maintenance.
Actively participate in technical discussions and contribute to architectural decisions.
Write clean, efficient, and scalable code while ensuring best practices in software development.
Collaborate closely with cross-functional teams, including Product, Design, and other developers, to deliver features effectively.
Provide technical guidance, share knowledge, and mentor other developers to improve overall team expertise.
Requirements:
Qualifications:
Ability to deep dive and understand technical features, complex design, and architecture.
Experience developing web applications and projects from scratch and at scale.
5 years of experience with one or more general-purpose programming languages, including but not limited to Java, C#, C++, PHP, or Python.
Excellent communication skills, ability to collaborate with teammates and people from different departments.
Experience with MySQL or any other relational database.
Experience with OOP, design patterns, and architectural patterns.
Fluent English.
Advantages
Experience working on complex SaaS applications.
Experience with Big Data systems, Event-Driven Architecture.
Experience with NoSQL and in-memory databases (MongoDB, CouchDB, Redis, or others).
Experience with analytical databases and processing large scales of data (ClickHouse, Apache Druid, or others).
Experience with AWS.
This position is open to all candidates.
 
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חברה חסויה
Location: Ramat Gan
Job Type: Full Time
We are seeking a backend engineer with a strong foundation in building scalable, high-performance systems and a deep understanding of cloud infrastructure, distributed systems, and data pipelines. This role focuses on designing and optimizing backend services that support our machine learning (ML) operations and real-time personalization capabilities.

We foster a professional environment where experienced engineers collaborate to drive technical excellence, continuously improving our backend architecture and infrastructure. As a Backend Engineer, you will play a key role in building and maintaining the backend services that power our ML infrastructure, ensuring efficiency, scalability, and reliability.

Role & Responsibilities:
- Design, develop, and optimize backend services that support ML pipelines, APIs, and real-time decision-making systems.
- Architect and implement scalable and reliable data processing workflows, integrating ML models into production environments.
- Build and maintain infrastructure for efficient model deployment, monitoring, and versioning.
- Ensure high availability, performance, and security of backend services.
- Lead initiatives to improve system architecture, reduce technical debt, and enhance development processes.
- Stay up to date with the latest advancements in backend technologies, cloud computing, and distributed systems.
Requirements:
- 4+ years of experience in backend engineering, designing and developing distributed systems.
- Strong proficiency in Python, Java, or Go for backend development.
- Deep experience with cloud platforms (AWS, GCP, or Azure), including compute, storage, and networking services.
- Experience with containerization and orchestration (Docker, Kubernetes).
- Proficiency in designing and managing scalable databases (SQL & NoSQL: MySQL, PostgreSQL, Redis, Cassandra, etc.).
- Hands-on experience with CI/CD pipelines, infrastructure as code (Terraform, CloudFormation), and automated deployments.
-Familiarity with high-performance APIs and microservices architecture.
- Experience working with ML operations (MLOps) and data pipelines is a plus but not required.
This position is open to all candidates.
 
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03/04/2025
חברה חסויה
Location: Ramat Gan
Job Type: Full Time
R-241031

We are seeking a backend engineer with a strong foundation in building scalable, high-performance systems and a deep understanding of cloud infrastructure, distributed systems, and data pipelines. This role focuses on designing and optimizing backend services that support our machine learning (ML) operations and real-time personalization capabilities.

We foster a professional environment where experienced engineers collaborate to drive technical excellence, continuously improving our backend architecture and infrastructure. As a Backend Engineer, you will play a key role in building and maintaining the backend services that power our ML infrastructure, ensuring efficiency, scalability, and reliability.

Role & Responsibilities:
Design, develop, and optimize backend services that support ML pipelines, APIs, and real-time decision-making systems.
Architect and implement scalable and reliable data processing workflows, integrating ML models into production environments.
Build and maintain infrastructure for efficient model deployment, monitoring, and versioning.
Ensure high availability, performance, and security of backend services.
Lead initiatives to improve system architecture, reduce technical debt, and enhance development processes.
Stay up to date with the latest advancements in backend technologies, cloud computing, and distributed systems.
Requirements:
4+ years of experience in backend engineering, designing and developing distributed systems.
Strong proficiency in Python, Java, or Go for backend development.
Deep experience with cloud platforms (AWS, GCP, or Azure), including compute, storage, and networking services.
Experience with containerization and orchestration (Docker, Kubernetes).
Proficiency in designing and managing scalable databases (SQL & NoSQL: MySQL, PostgreSQL, Redis, Cassandra, etc.).
Hands-on experience with CI/CD pipelines, infrastructure as code (Terraform, CloudFormation), and automated deployments.
Familiarity with high-performance APIs and microservices architecture.
Experience working with ML operations (MLOps) and data pipelines is a plus but not required.
This position is open to all candidates.
 
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חברה חסויה
Location: Ramat Gan
Job Type: Full Time
We are looking for a Senior ML Engineer.
Responsibilities:
Work on core data and machine learning infrastructure, which is at the heart of offering. You will create innovative solutions for data ingestion and normalization from multiple data sources, feature engineering and feature selection, as well as actual model training and evaluation. All in large scale and completely automated.
Requirements:
5+ years experience as a Machine Learning Engineer.
10+ years of experience with Python/Java/Scala.
Strong understanding of distributed systems, object-oriented programming and design patteri
Distributed Compute frameworks such as Spark, Dask, Ray etc
Hands-on experience designing, training, and deploying machine-learning models
MLOps
Hands-on experience with open source ML libraries like: catboost, lightgbm, xgboost, scikit-learn, NumPy, Pandas, Microservices architecture, cloud technologies, Docker/K8s.
Ability to design and own a feature through all its phases.
Bonus:
BSc./MSc. In CS or similar an advantage
Building data pipelines using Apache Airflow
Hands on experience with Spark, SparkSQL, Spark streaming and other Spark related projects
This position is open to all candidates.
 
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Location: Ramat Gan
Job Type: Full Time
We're looking for an experienced Backend Engineer to join our Engineering team. Reporting to Manager, Software Engineering, you'll be responsible for:

Developing and maintaining high-quality, scalable backend services within a microservices architecture using Java /Spring Boot and Python & participate in design from scratch to production
Delivering high quality features for our high-scale web environment
Monitoring the performance and cost of the services in production
Staying up-to-date with industry trends and best practices to improve our technology stack and development processes
Integrating with other team members (backend/frontend/product/UX) & mentoring junior engineers and sharing your expertise with the team
Requirements:
5+ years of experience with Java/ Spring boot developing SaaS application.
Proficiency in microservices environment, including experience with AWS, Kubernetes
Experience with message brokers and queues, such as RabbitMQ or Amazon SQS, for asynchronous communication between services.
B.Sc. in Computer Science or a related field
This position is open to all candidates.
 
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