דרושים » ניהול ביניים » Senior backend Developer

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לפני 15 שעות
Ready
Job Type: Full Time
We're hiring a Senior backend Developer!

Responsibilities:
- Design and develop backend systems using.NET Core
- Handle large-scale data processing with low latency requirements
- Design efficient data flows using databases
- Investigate and solve complex technical challenges
Requirements:
- 4+ years of experience with.NET Core
- Solid knowledge of database technologies such as MySQL or OracleDB
- Experience with Kafka or RabbitMQ
- Experience with cloud platforms - an advantage
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לפני 22 שעות
ironSource
Location: Tel Aviv-Yafo
Job Type: Full Time
ironSource, part of Unity, is a leading large-scale ad network at the forefront of advertising technology. We are looking for a highly skilled and experienced Senior Software Engineer to join our backend team.
In this role, you will leverage your expertise in distributed systems, data engineering, and software development to design, build, and deploy high-performance solutions. You will take a leading role in developing and maintaining a cutting-edge online machine learning system powered by PyTorch/Tensorflow models and Triton inference server.

This is an opportunity to work on complex, large-scale systems that serve billions of requests, shaping the future of ad tech and ML-driven optimization.

What you'll be doing
Architect and Build: Design, develop, and deploy robust, scalable, and high-performance distributed systems that form the backbone of ironSource's next-generation ML ad network.
Real-Time Ad Serving: Engineer and optimize critical systems for real-time ad serving, enabling machine learning models to make intelligent, low-latency decisions for optimal ad selection.
ML Infrastructure Innovation: Drive the evolution of our ML capabilities by researching, evaluating, and implementing cutting-edge techniques for feature stores, data aggregation, and model serving infrastructure.
Data Pipeline Engineering: Collaborate closely with data scientists and product managers to design, build, and maintain efficient and reliable data lakes and data pipelines, ensuring high-quality data for ML training and analytics.
Operational Excellence: Take ownership of key system components, ensuring their reliability, performance, and scalability in a production environment through proactive monitoring and continuous improvement.
Requirements:
What we're looking for
5+ years of backend development experience with strong skills and a genuine passion for server-side technologies.
Proven experience building and maintaining large-scale, low-latency, distributed systems.
Solid understanding of service lifecycle management and efficient resource utilization.
Hands-on experience with machine learning integration in production systems.
Proficiency in backend programming languages such as Java and Scala
Familiarity with cloud platforms (AWS, GCP, or Azure) and container orchestration (Docker, Kubernetes).
Strong problem-solving skills, ownership mindset, and ability to thrive in high-impact environments.
You might also have
Experience with ML frameworks such as TensorFlow, PyTorch.
Experience with inference servers such as Triton, TensorFlow Serving.
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3 ימים
Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time
We are looking for a talented Senior Backend Developer to join our development team. As part of the team, you will contribute to building and enhancing high-scale, multi-tenant SaaS products that support customers worldwide. You will work in a hybrid environment, collaborating closely with highly skilled engineers in an agile, sprint-based methodology. This role is critical to the continued success of our next-generation security and monitoring platforms, ensuring performance, scalability, and reliability across multiple regions and tenants.

Key Responsibilities
Architect, design, and develop robust, high-quality backend services and APIs for our large-scale SaaS platform.

Own the end-to-end delivery of features in an agile, CI/CD environment, from conception to deployment.

Ensure the scalability, resilience, and high performance of our applications to support a rapidly growing, multi-tenant customer base across multiple regions.

Integrate with and optimize a diverse set of distributed data systems, including PostgreSQL, Redis, RabbitMQ, and Elasticsearch.

Champion and implement observability best practices (metrics, logging, tracing) using tools like Prometheus, Grafana, and OpenTelemetry to ensure system health and proactive monitoring.

Collaborate closely with product managers, frontend developers, and DevOps engineers to translate customer needs into impactful technical solutions.

Continuously explore, evaluate, and adopt new technologies to enhance our architecture and development efficiency.

Mentor and guide other developers, fostering a culture of technical excellence and knowledge sharing.
Requirements:
BA/BSc in Computer Science or a related field, or equivalent practical experience.

5+ years of professional experience in backend software development.

Proven expertise in Python (including experience with the Django framework) and Java for backend systems.

Experience with relational databases (e.g., PostgreSQL, MySQL, SQL Server).

Strong experience with cloud-native technologies, containers (Docker), orchestration (Kubernetes), and CI/CD pipelines.

Solid understanding of multi-tenant, distributed system architecture.

Strong collaboration, communication, and problem-solving skills.

Nice to Have:

Experience with frontend frameworks such as React or Angular.

Experience with NoSQL databases (e.g., MongoDB, Elasticsearch, Couchbase).

Background in large-scale SaaS performance optimization.

Hands-on experience with observability tools and practices (e.g., Prometheus, Grafana, OpenTelemetry).
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4 ימים
Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time
We are looking for a promising and brilliant Cloud Backend Developer to join our team!

This is a unique opportunity to work on a large-scale cloud-native system using cutting-edge technology in an agile environment!

Key Responsibilities
As a Cloud Backend Developer, you will be responsible for developing and maintaining exciting security products for Check Points customers. Our production environment is a fast-paced, agile development cloud environment - handling tens of millions of transactions daily.

You will develop software serving large scale production real-time multi-tenant environment, handling large quantities of data, using microservices architecture and design patterns.

The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. All are implemented with the latest AWS tools and managed services such as Aurora RDS, Kinesis, DynamoDB, SQS, ElasticSearch, ElasticCache, and many more. You will design and develop high impact real-time components, and take ownership of the end-to-end solution.

Develop production-grade, large-scale cloud-based security products.
Design and develop data-driven applications in an agile development environment.
Collaborate cross-functionally with product managers, QA, automation, data engineers, and other engineers to achieve elegant solutions.
Work alongside other engineers on the team to elevate technology and consistently apply best practices.
Requirements:
BSc in Computer Science/Software Engineering or equivalent knowledge.
At least 2 years of experience in backend development.
Experience working with Python for building applications or services.
Experience working in a cloud environment (AWS - Advantage).
Knowledge of modern database technologies.
In-depth knowledge of object-oriented programming principles and design patterns.
Excellent verbal and written communication skills.
Experience with high-performance, multi-threaded, multi-processed environments - Advantage.
Experience developing a high-scale, multi-tenant cloud SaaS mission-critical applications - Advantage
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לפני 18 שעות
ironSource
Location: Tel Aviv-Yafo
Job Type: Full Time
Join our team working on an advanced ad-serving platform that powers millions of real-time interactions every second. As a Senior Backend Developer, youll play a key role in designing, developing, and maintaining a high-performance system that supports critical functionalities like targeting, attribution, budget management, and data pipelines for machine learning and reporting.Youll be expected to lead impactful projects, drive improvements in performance, scalability, and system reliability, and help shape solutions that directly influence the success of a globally recognized platform. We value bottom-up initiatives and encourage team members to bring their ideas to the table, fostering innovation and collaboration.
Why You'll Love This Role:

Take ownership of major projects and core features with significant business impact.
Work alongside skilled engineers in a fast-paced, high-scale environment.
Tackle challenging technical problems using cutting-edge tools like Kafka and Aerospike.
What you'll be doing
Design, develop, and monitor new features for the platform, including components supporting targeting, attribution, and budget management.
Maintain and optimize the performance of critical backend systems.
Refactor and improve legacy code to ensure scalability and efficiency.
Lead efforts to guarantee system reliability and low latency in a high-concurrency environment.
Collaborate with peers and across teams to deliver high-quality, production-ready solutions.
Requirements:
What we're looking for
Proficiency in backend development with Scala (highly preferred) or Java.
Strong understanding of distributed systems and real-time, high-concurrency applications.
Experience with Kafka and other streaming/messaging systems.
Extensive experience debugging and optimizing high-scale production environments.
Proven ability to design and build backend systems focused on performance and scalability.
You might also have
Hands-on experience with Aerospike or other NoSQL databases.
Familiarity with Kubernetes or container orchestration tools.
Knowledge of functional programming paradigms.
If you're looking for a role where you can contribute meaningfully, tackle exciting challenges, and work with a friendly, professional team that values collaboration and expertise, wed love to hear from you!
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3 ימים
Intuit
Location: Petah Tikva
Job Type: Full Time
Intuit is the global financial technology platform that powers prosperity for the people and communities we serve. With approximately 100 million customers worldwide using products such as TurboTax, Credit Karma, QuickBooks, and Mailchimp, we believe that everyone should have the opportunity to prosper. We never stop working to find new, innovative ways to make that possible.

Job Overview
Intuit is a global technology platform that constantly disrupts itself by identifying major new technology and design trends that are needed to deliver our mission to power prosperity around the world.

Come join the team as a Senior Back End Engineer. We are a customer obsessed, and our capabilities serve millions of customers; we innovate to create hyper growth to the customers and the business; using new technologies and driving new platform initiatives.

If you are passionate about building a world class platform, at a high scale, this is the opportunity for you!

#LI-Hybrid

Responsibilities
Participate in the agile feature/product design process working with cross-functional teams
Design, implement and enhance services at large scale as part of the sales product, enabling various customers use cases. E2E responsibilities including technical documentation and automation tests.
Production support involved with monitoring production systems and remediating issues
Strong leadership and communication skills (Hebrew and English), and ability to work well in a team. Collaborate with other engineers to share best practices and knowledge of emerging technologies
Engage with customers to get a first-hand understanding of their needs
Perform and participate in peer code reviews
Requirements:
You have at least 5 years of active Java experience
You have Hands-on experience developing applications using Spring/SpringBoot framework and relational / non-relational DBs
Experience with Spring boot or Spring framework
You have a good systems architectural grasp
System design experience
Experience with building web applications, databases, microservices at large scale
Ability to read and analyze existing code
You have experience with both unit and integration tests
You are knowledge and experienced with AWS cloud environment and services
You have experience in driving large-scale projects end-to-end
You share deep appreciation for clean and well-documented code
You are self-motivated, proactive and able to multitask
You have excellent English, both oral and written
You are flexible in your working hours, by working with the US on a semi-regular basis
Youre passionate about your work and you have a desire to push boundaries
You demonstrate a great can-do approach, creativity and learning mindset
You have a Bachelor or Masters degree in computer science or equivalent work experience
How youll succeed:

You need to be self-motivated, proactive and a contributor of code
You need to be able to read any code in an existing codebase and change it
Build and maintain strong cross-functional relationships / alignment with partners across the business
Gathering functional requirements, developing technical specifications, and project & test planning
Resolving defects and bugs during testing, pre-production, production, and post-release patches
Ability to work effectively in a fast paced, complex technical environment with high adaptability and flexibility. Ability to learn new technologies and methodologies.
Communicates clearly, succinctly and persuasively to all levels of employees, customers and management
Working cross-functionally with various Intuit teams: Product Management, Experience Design, different product lines, or business units to drive forward results
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3 ימים
Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
As a Cloud Back-End Developer, you will be responsible for developing and maintaining exciting security products for Avanans customers. Our production environment is a fast-paced, agile development cloud environment - handling tens of millions of transactions daily.

You will develop software serving large scale production real-time multi-tenant environment, handling large quantities of data, using microservices architecture and design patterns.

The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. All are implemented with the latest AWS tools and managed services such as Elastic Container Services, Kinesis, DynamoDB, SQS, Opensearch, ElasticCache, Iceberg, and many more. You will design and develop high impact real-time components and take ownership of the end-to-end solution.

Key Responsibilities


Develop production-grade, large-scale cloud-based security products.
Design and develop data-driven applications in an agile development environment.
Collaborate cross-functionally with product managers, QA, automation, data engineers, and other engineers to achieve elegant solutions.
Work alongside other engineers on the team to elevate technology and consistently apply best practices.
Requirements:
Degree in computer science/software engineering from a top university.
5 years of programming experience: Python or Golang experience at least 2 years- must.
AWS experience - must.
Experience with high-performance, multi-threaded, multi-processed environments.
Experience developing a high-scale, multi-tenant cloud SaaS mission-critical applications.
Knowledge of different databases relational, Key-Value, document, Data Lakes.
Knowledge of microservices architecture and design patterns and best practices.
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4 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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4 ימים
WIX
Location: Tel Aviv-Yafo
Job Type: Full Time
As a Senior Software Engineer in the Server Core team, you'll design and build scalable solutions for data storage and caching. In your day-to-day, you will:

Build and design datastore and cache solutions
Help, advise, and guide users to get the most out of our products
Work with internal Wix infrastructure teams
Collaborate with external suppliers like AWS
Requirements:
6+ years of experience in server-side technologies
Experience designing and developing distributed systems for high-scale traffic
Hands-on experience working with NoSQL databases like DynamoDB
Excellent communication skills and ability to lead tasks
Interest in leading people in the future
Proficiency in Scala or Java would be an advantage
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חברת השמה / כח אדם

2 ימים
Location: Tel Aviv-Yafo
Job Type: Full Time
Design, develop, and maintain efficient and scalable cloud-native Go applications

Develop API integrations with third-party applications for data collection

Own our agent architecture, including scalability, networking, security, and Storage

Develop monitoring and automation tools for stability and performance benchmarking

Collaborate with cross-functional teams to define, design, and ship new features

Be customer-obsessed and understand product needs
Requirements:
4+ years of experience as a backend Engineer

2+ years of experience in Golang development

Experience with event-driven architecture

Familiarity with cloud platform services (AWS preferred)

Hands-on experience with microservices architecture (Kubernetes or ECS preferred)

Experience with queueing mechanisms such as SQS and Kafka

Familiarity with TypeScript Advantage

Experience with CI/CD tools Advantage
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חברת השמה / כח אדם

3 ימים
NOW
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
We are a Group specializing in providing comprehensive solutions for investing and trading across global markets, with a strong focus on the U.S. stock exchange. this was, established in 2010 in Cyprus, is part of the Group and provides advanced brokerage and trading services on Equities, CFDs, FX, and Crypto.

We are expanding our R D team in Tel Aviv and looking for a talented Back-End Developer to join us.
This is a great opportunity to work in a dynamic FinTech environment, with cutting-edge technologies, and to make a real impact.
The position is hybrid (Tel Aviv-based).

What youll do:

Design, develop, and maintain scalable back-end systems.

Build and optimize RESTful APIs.

Work closely with cross-functional teams in a fast-paced, innovative environment.
Requirements:
B.Sc. in Computer Science / Software Engineering or related field Must

4+ years of experience as a Back-End Developer

Strong experience with.NET Core 7+ Framework Must

Solid knowledge of relational databases ( SQL server, PostgreSQL, MySQL) Must

Experience in designing and implementing RESTful APIs with ASP.NET Core Web API Must

Familiarity with Git or other version control systems Advantage

Experience with Angular Advantage
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