לוח משרות דרושים Senior Backend Developer בתל אביב יפו

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 our 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
Compensation and Benefits:
Along with competitive pay, as a full-time employee, you are eligible for the following benefits:
Yearly Bonus and RSU grants based on performance
Online/On-Site Courses, attend public conferences, and many other growth and learning opportunities.
Health Insurance
Gym, Pilates, Yoga, and others
Cibus/10Bis
Tickets to our sponsored team's games
Social events
Where you'll be:
We offer a hybrid work policy: 3 on-site plus 2 flexible days.
Work is located at the Tel Aviv R&D Center.

we are looking for a Staff Engineer (backend oriented - python).
As a Staff Engineer, you will own and expand a critical backend data processing platform that sits between data ingestion and the customer-facing application. This platform powers features such as data enrichment, grouping/similarity, and internal analytics. You will lead Python services that transform raw financial data into product-ready signals used by customers every day.
Platform Evolution: Increase enrichment accuracy and coverage by evolving data processing logic and adding new capabilities.
Performance Engineering: Reduce processing latency and improve throughput by designing efficient message-driven pipelines.
API & Schema Design: Maintain clear, stable service interfaces (HTTP/gRPC) and schemas with strong backward compatibility.
Data Modeling & Querying: Model data and write efficient Postgres queries; strategically use vectors/embeddings where they add value.
Tooling: Build internal analytics/debugging tools to accelerate triage and insight for engineering and operations teams.
Quality & Standards: Raise the quality bar through component/integration/snapshot tests, thorough code reviews, documentation, and release hygiene.
Observability: Instrument services fully by shipping meaningful metrics and logs, and using dashboards to troubleshoot and proactively improve reliability

Were looking for a Senior Backend Engineer to join our core team and push forward the technology that powers our fraud prevention engine. In this role, youll work closely with Data Analysts and Data Scientists to evolve the logic, infrastructure, and performance of our decision-making systems.
Youll design and build high-performance backend services, improve latency and reliability at scale, and contribute to the architecture of a distributed microservices ecosystem running in Kubernetes. This is an opportunity to make a direct impact on our product, performance, and customers in a fast-moving startup environment where ownership, initiative, and curiosity truly matter.

Were looking for an exceptional Principal Engineer to serve as the most senior technical individual contributor in our R&D organization.
Reporting directly to the VP of R&D, you will shape long-term architecture, lead cross-org technical strategy, and solve the companys hardest engineering challenges.
This is a hands-on, high-impact IC role. Youll design scalable systems, drive architectural alignment across squads, and influence technical decisions at every level. Youll lead by example, mentor senior engineers, and raise the engineering bar across the organization.
Responsibilities:
Lead company-wide technical initiatives and set long-term architectural direction.
Ensure architectural coherence across systems; guide design decisions, tradeoffs, and refactoring.
Mentor senior and staff engineers, shaping engineering culture and elevating technical standards.
Accelerate time-to-value by improving delivery velocity, cycle time, and overall engineering effectiveness.
Own reliability and production health, driving observability, incident response, and systemic improvements.

We are looking for a passionate and skilled Backend Developer to join our dynamic team! If you're excited about working on large-scale cloud-based security systems and enjoy solving complex challenges, this is the perfect opportunity for you.
As part of our backend team, you will develop and enhance server-side components for cutting-edge security services. You will work with big data, AI-driven analysis, and a microservices architecture that serves millions of users worldwide.
What You'll Do:
Design and develop new features to meet customer needs
Optimize and scale existing services to ensure high performance
Collaborate with other teams (Mobile, Agents, etc.) for seamless integration

We are looking for a talented Senior Backend Developer to join our team and help build the next generation of our global SaaS platform. You will work on designing and implementing scalable backend services, microservices architecture, and cloud-based solutions that power our enterprise-grade applications. This is an opportunity to work with modern technologies, solve complex problems, and deliver solutions that impact thousands of organizations worldwide.
Develop and maintain backend services using Node.js, Express, and modern frameworks.
Design, build, and optimize RESTful and GraphQL APIs for seamless integration with frontend applications and external services.
Develop and integrate AI agents and services utilizing Large Language Models (LLMs) within the backend architecture.
Architect and enhance microservices for high performance, reliability, and scalability.
Work with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB) and implement efficient data access patterns.
Collaborate closely with Product, Frontend, and DevOps teams to deliver secure, robust, and scalable solutions.
Deploy, monitor, and maintain Node.js services in cloud environments such as AWS (including Docker/Kubernetes).
Ensure high code quality through automated testing, peer reviews, and adherence to best practices in secure coding.
Participate in system architecture design and contribute to ongoing process and technology improvements.

Were looking for an experienced 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.

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.

seeking a promising and talented Senior Back End Developer to join our group. If you thrive in a fast-paced, dynamic environment, can handle multiple requests simultaneously, and enjoy working independently as part of a cutting-edge team, this is your opportunity to help make the world a safer place!

Key Responsibilities
As a Senior Back End Developer, you will be responsible for developing and maintaining exciting security products utilizing advanced models 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 environment. handling large quantities of data, using multi-threaded methods and design patterns. The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. The product involves significant use of modern AI technologies. All implemented with the latest AWS tools and managed services such as Aurora RDS, Athena, Kinesis, Kafka, SQS, Elastic Search, ElasticCache, and many more. You will design and develop high impact real-time components for online analysis, 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.
Design and develop AI back-end solutions and APIs.
Interact with data scientists, R&D, QA and Test Automation.

We are looking for a motivated and experienced backend engineer with deep knowledge of systems, web applications, and observability stack,
As a backend engineer, you will build and maintain our web applications and contribute to the development of our observability system.
Responsibilities
Design, build, and maintain highly scalable web applications with performance, reliability, and observability in mind.
Drive the development of our observability platform at scale-ensuring we gather meaningful metrics, logs, traces, and act on them.
Lead by example: conduct thorough code & architecture reviews-not only of your own code but also with peers-to ensure maintainability, consistency, and high standards.
Champion best practices in development processes: share knowledge, improve coding standards, automate where possible, and mentor others.
Partner closely with product, UX, and cross-functional teams to deliver features from conception through to production-ensuring quality, timeliness, and user value.
Actively participate in on-call, incident response, post-mortems, and proactively identify reliability or performance bottlenecks.

seeking a promising and talented Cloud Back End Developer to join our group. If you thrive in a fast-paced, dynamic environment, can handle multiple requests simultaneously, and enjoy working independently as part of a cutting-edge team, this is your opportunity to help make the world a safer place!

Key Responsibilities
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.

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.

Required Senior Backend Developer
Description
We have been the go-to platform for over 40 million sports enthusiasts worldwide since 2012.
We pride ourselves on delivering the fastest and most accurate live scores updates across various sports and competitions.
With a commitment to providing an exceptional user experience, we offer a comprehensive suite of features, ensuring our users stay connected to the action, anytime and anywhere.
Ready to dive into a dynamic role where you'll be an integral part of a collaborative team? As a Senior Software Backend Developer, you'll be at the forefront of crafting innovative solutions and contributing to the continuous improvement of our platform.
Responsibilities
Engage closely with Product, Client, DevOps and other R&D teams to deliver exceptional solutions.
Work within an agile environment alongside a team of engineers to meet business objectives efficiently.
Play a key role in designing, architecting, and developing robust solutions while ensuring code quality and seamless deployment.
Manage data flows to facilitate real time push notifications to millions of users.
Develop and maintain APIs and Services to support millions of active users, ensuring optimal performance and scalability.

we are looking for a Backend Developer, which is both hands-on and an ace problem solver to join our amazing DeepUI group. We are developing revolutionary runtime engine and transforming the online experience for hundreds of millions of users.
Our proprietary AI-based technology is bringing the world's leading digital adoption platform to the next level by understanding and interacting in real time with graphical user interfaces at a human level. We are looking for people who are passionate about leading technology to the extreme.
If you are striving to develop an innovative product, make an impact, and work with the industrys brightest talent as part of one of the fastest-growing and successful startups around .
What will you actually be doing?
Design and build the latest back-end solutions to the exciting and rapidly evolving domain of GUI perception
Develop and maintain complex backend cloud services and infrastructure, across multiple regions.
Design architecture for new services and implement through to production.
Implement and own end to end solutions that will scale to millions of users.
Participate in fast-paced research while running in production. A very rare and exciting combination.
Help build engineering culture.
End to end development of features and systems that are used daily by key stakeholders, both internally and externally.

Were looking for a talented Senior Backend Engineer to be a key team player and help us shape the future of incident management, taking an active part in the architecture, design, and implementation of new and existing features. You will be solving challenging problems and leading the practice of advanced debugging and diagnosing complex distributed systems.

What you will do:
Design and develop highly scalable services and participate in other life-cycle activities such as analysis, testing, performance, and production releases
Utilize state-of-the-art technology to solve complex software system problems
Enhance development productivity by identifying the areas for modification and innovation
Promote rapid prototyping development, proving value, and expanding where needed
Maintain a high standard of coding and introduce engineering best practices

We seek an experienced Senior Backend Developer to join our Infra Platform team
In this role, you will develop efficient and scalable code to create and operate ML systems for our production and Infra environments
A day in the life and how youll make an impact:
Productization of algorithms Optimized for large scale algo serving.
Code ML Infrastructure & Framework for Agile ML Lifecycle, MLOps, and CI/CD.
Continuously explore ways to improve our code and ML Infrastructure
Collaborate with team members to define future technology and features.

Were looking for people who are passionate about solving problems, dont shy away from leading features and projects, and are sharp and creative enough to find outside-the-box solutions to our wide range of product initiatives



What you'll do:

Design, implement, and deploy new business logics driving our client-facing product forward
Lead technical projects and product initiatives
Tackle complex real-world problems, that directly affect the companys success
Develop mainly in Python, using Django and Postgres often
Be a part of a vibrant team of bright and experienced engineers bringing the construction industry into the digital age
Develop data processing infrastructures, pipelines, and ETLs, while designing the data structure best suited to both updating and querying