לוח משרות דרושים Backend Engineer

We are looking for a hands-on developer to join an innovative and talented R&D team. To join us you will need to deliver high-quality code using the latest cloud frameworks and technologies.
As a Back-End Engineer at our company you will...
Be responsible for all development aspects from design to production of a cloud-native product
Write high-quality, testable and efficient code in Java
Initiate and promote new ideas for continuous improvement of product functionality
Work closely with team members and product colleagues
Participate in the architecture and development of the company DevOps core products
Design, develop, and maintain back-end services
Write high-quality, clean, efficient, and maintainable code while adhering to best practices and coding standards
Stay up-to-date with industry trends and emerging technologies related to DevOps and the software development lifecycle
Contribute to architectural discussions and design sessions to promote scalability and maintainability.

A defense-tech startup, building an AI-powered autonomous systems that connect cameras, sensors, and natural-language interfaces, is looking for a Senior Back End Engineer, with AI \ Computer Vision expertise. In this role, youll be one of our first engineers. Youll shape architecture, set engineering standards, and lead the development of real-time, AI-first features for high-stakes.

We are seeking a skilled PySpark Backend Engineer to join our expanding team dedicated to developing cutting-edge cybersecurity products from the ground up.
If you possess exceptional programming skills and have a passion for creating new applications or enhancing existing ones, we would love to meet you.
Responsibilities:
Design and implement backend logic using PySpark within Databricks, focusing on data processing using Spark Structured Streaming.
Develop and maintain microservices and backend components in Python and C#, deployed in Kubernetes environments.
Collaborate with product managers and backend teams to translate business requirements into Spark-based logic and services.
Optimize Spark jobs for performance, reliability, and cost-efficiency in a cloud-native environment (Azure).
Own features end-to-end: from refining requirements with product managers, through design and implementation, to deployment and support.

Come and be you with us
Being a worker is all about being you. We want you to bring all parts of yourself to work, giving you the freedom and confidence to be the best you and do your best work. If thats bubbly, shy, precise, funny, bold, kind, honest, brilliant, or anything in between, were waiting with open arms. Come join us.
What will you do?
As a Backend Engineer on the team, youll have a key role in developing our product and its unique features, working closely with our Product team. You should be passionate about software engineering and building a product end-to-end and will be responsible for owning the dev cycle from the technical design, through coding and testing, to deployment and monitoring. We work in a true continuous delivery environment with fully automated QA processes on a microservices architecture, deploying to production dozens of times every day.

Come and be you with us
Being a worker is all about being you. We want you to bring all parts of yourself to work. giving you the freedom and confidence to be the best you and do your best work.
were waiting with open arms. Come join us.
About the Team
The AI team at our company is at the forefront of integrating cutting-edge AI technologies into our product, delivering features that enhance user experience, empower decision-making, and drive business insights.
We work in a true continuous delivery environment, with fully automated QA processes and a modern microservices architecture deploying to
Design, build, and maintain backend infrastructure and microservices supporting AI-driven features.
Collaborate closely with the infra and data groups to ensure smooth integration of AI models and services into our companys core systems.
Develop and optimize APIs, data pipelines, and background processing workflows.
Ensure performance, scalability, and resilience of production systems handling real-time AI interactions.
Drive engineering excellence through code reviews, architecture discussions, and automation.
Mentor other backend developers and promote best practices in software design, testing, and deployment.

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 our company
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 our company
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.

Responsibilities:
Join a team of highly motivated developers to work together to fill our growing software and scaling needs
Work on our cutting-edge Security SaaS product that redefines risk management and helps SMBs stay protected.
Directly work on matters that are critical to the company, building security product that is actively used by 10,000+ users, while tackling complex and challenging engineering problems
Writing well-tested, organized and robust code to support a rapidly growing organisation
Work in a modern software environment with continuously deployed and integrated code in our cloud-based infrastructure
Taking responsibility of your code, quickly responding to bugs and making sure new and existing software runs smoothly
Youll work closely with product managers, designers, QA experts, architects, and experienced developers to build cutting-edge solutions.

Join a team of highly motivated developers to work together to fill At-Bays growing software and scaling needs.
Work on a range of customer-facing and internal projects, including scaling up our web-based and infrastructural software and internal security and insurance tools.
Directly work on matters that are critical to the company, building software that is used actively by our insurance team and our customers whilst solving challenging software problems.
Writing well-tested, organized and robust code to support a rapidly growing organization.
Proactively taking on software tasks to give efficient turnaround to the requirements of the rest of our international company.
Work in a modern software environment with continuously deployed and integrated code in our cloud-based infrastructure.
Taking responsibility of your code, quickly responding to bugs and making sure new and existing software runs smoothly.
Communicating and working openly with other developers to solve problems and produce high-quality code.

Are you ready to work on massive web projects and features that are being used by millions across the world? If yes, then you’ve come to the right place. As a Backend Engineer at Fiverr, you'll be responsible for implementing core features, building infrastructure, and finding innovative solutions while working with cutting edge technologies (Kotlin, Node.JS, Golang, Ruby, Kafka, MongoDB, Redis, ElasticSearch, Kubernetes, AWS and more). We're looking for top talent that's ready to level up their skills in an exciting and fast paced environment.

What am I going to do?:

* You develop it all! Including products and features.
* You’ll be building and developing modules, data pipelines, and services.
* You own it -- from design to production!

Equal opportunities:
At Fiverr, we prioritize diversity. We celebrate difference and embed it into every aspect of our workplace and product, as well as our community. Fiverr is proud and committed to providing equal opportunity employment to all individuals regardless of race, color, religion, sex, sexual orientation, citizenship, national origin, disability, Veteran status, or any other characteristic protected by law. In addition, Fiverr will provide accommodation to individuals with disabilities or a special need.

As a Senior User Data Engineer in the Demand group 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.
Our Tech Stack: Java, JS, TS, Python, Reactive, Spark, Kafka, Hadoop, Cassandra, Vertica, ES, MySQL, Memcached, HDFS, Iceberg, BigQuery, Druid, Kusto, Docker, K8S, Linux, Prometheus, Grafana, Airflow
Gen AI: Cursor, Junie, GitHub Copilot, Langfuse and much more
How youll make an impact:
As a Senior Software Engineer, youll bring value by:
Design, develop, and address scalability challenges in our user data pipeline and identity graph, ensuring efficient handling of high-throughput, high-performance systems
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 thousands of requests per second
Work on innovative projects that are the next growth engines for our company
Here are some of the things software developers in our group did in the last several months:
A unique data pipeline for processing and managing user data signals
Driving our companys data advantage by leveraging real-time user signals to uncover intent and boost key business performance metrics
Develop a complete user identities graph and find deterministic and probabilistic methods to enrich it
An algorithmic model to predict the performance potential of a specific audience
Infrastructure to create unique audiences for advertisers based on various signals (behavioral, contextual, etc)
An A/B tests system to explore variations and experiments over audiences
Understand and use big data algorithms to estimate key business metrics over billions of impressions
Build user interface using React that serve thousands of users.

Our team is part of a larger group working on the Assets product, a high-scale, distributed system built on cloud infrastructure.
We deliver a solution for both technical and non-technical users, allowing them to manage, deliver, transform, and collaborate on Media assets and their lifecycles seamlessly through API and UI.
We take full ownership of the entire process, from deciding what to build to delivering it.
Our team has the right mix of skills to make both technical and product decisions together, ensuring smooth execution and meaningful impact.
We are a highly collaborative, open, and proactive team, with members based in Poland and Israel. We work primarily in English.
What Youll Do?
Be a Central Figure in the Team Serve as the go-to expert on everything related to the teams services and infrastructure. Work closely with product managers. Learn and be able to reason about the existing code base on demand, deriving insights quickly and managing context switches effectively.

Deliver Solutions with Impact & Efficiency Stay focused on business goals and customer delight. Ensure we deliver features that move the needle and are implemented efficiently and iteratively.

Maintain High Code Quality & Architecture Collaborate with developers to uphold high coding standards and work with our architects forum to ensure solutions are scalable and aligned with our platform vision. Utilize code generation tools for a larger impact.

Drive Innovation Identify areas for improvement and propose meaningful enhancements. Acknowledge customer feedback and incorporate your ideas to refine our solutions.

We're seeking an experienced Fullstack Backend Engineer to join our team working on our platform. You'll be responsible for developing and maintaining core components of our AI-driven cybersecurity solution that helps enterprises detect, investigate, and respond to advanced threats across their entire IT estate.

Key Responsibilities:

Design and develop scalable backend services and intuitive front-end interfaces for our platform
Implement data ingestion and processing pipelines for large volumes of security data
Integrate AI-driven analytics capabilities and optimize system performance
Develop APIs and integrations with various IT and security tools
Implement robust security measures and ensure compliance with industry standards
Troubleshoot complex issues across the full stack of our application

We are seeking a Backend Engineer, passionate about AI and image editing to join our elite team and play a key role in Backend Engineering, MLOps, and Data Engineering, driving innovation and efficiency.


Responsibilities:
Developing and optimizing scalable, distributed systems on cloud infrastructure (AWS/GCP/Azure), encompassing storage solutions, servers, and APIs.
Enhancing application efficiency for increased scalability and performance.
Implementing robust security measures to protect data integrity and privacy.
Collaborating with cross-functional teams to integrate backend systems with front-end platforms for a seamless user experience.
Conducting code reviews and ensuring adherence to best coding practices.
Monitoring and improving system health and performance, including troubleshooting and debugging issues.

Were looking for a talented Backend Engineer to join our fast growing R&D team.
This role is full-time and is based in Herzliya, Israel.
Responsibilities
Architect and implement resilient, high-performance backend services for our cloud-native cybersecurity platform.
Enhance data flows and scale integrations with automotive data systems.
Collaborate with a multidisciplinary team to build secure, flexible solutions.
Willingness and ability to learn new technologies and adapt to ongoing changes.

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.
We emphasize Personal growth - Enrich and expand your technical knowledge and stack by developing with the most cutting edge and versatile technologies and participating in various courses and learning programs.
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.