לוח משרות דרושים Backend Engineer בתל אביב יפו

Join our cross-functional fraud detection squad where you'll build systems that protect millions of customers while keeping the good ones flowing seamlessly through our platform.
In this role you'll:
Build fraud detection systems using microservices in Typescript (NestJS) and Ruby on Rails, running over Kubernetes to catch bad actors while keeping legitimate customers happy
Leverage our autonomous tools to manage development flow-from environment setup to production deployment-so you spend time solving fraud, not fighting infrastructure
Collaborate with data scientists, product managers, and fraud analysts in a self-sufficient squad to hit aggressive fraud prevention OKRs
Own your domain's code quality, performance, and scalability as fraudsters get smarter and transaction volumes explode
Design systems that make split-second decisions on claims and applications, balancing security with customer experience
Coach and mentor other engineers while staying ahead of evolving fraud patterns and attack vectors
Partner with our AI/ML teams to implement and optimize machine learning models that detect fraud in real-time.

We're building the Experience Platform that powers everything at our company- the backbone that lets our teams ship fast, scale seamlessly, and focus on creating incredible experiences for millions of customers. As a Senior Backend Engineer, you'll architect solutions that make other developers' lives easier while pushing platform boundaries. You'll own our chat service that handles onboarding flows for every our company customer.
In this role you'll:
Own platform services that let product teams ship features in days, not weeks
Build TypeScript/NestJS microservices that handle millions of customer interactions on Kubernetes
Partner with product teams to deliver the infrastructure they need to move fast
Level up our development experience using autonomous tools that handle everything from environment setup to production deploys
Lead architectural decisions that impact how we build, deploy, and scale products company-wide
Collaborate across product, design, and data teams to bring complex features from concept to launch
Drive platform reliability improvements that directly impact customer experience.

We are looking for a DevOps Engineer with strong development skills to join our Developer Experience (DevX) team. Were a hybrid DevOps and development team focused on building and operating internal tools, infrastructure, and services that streamline engineering workflows and accelerate delivery across the company.
We are the team behind the Dynamic Environment Kubernetes Operator, which empowers teams to spin up ephemeral, on-demand environments for development, testing, and validation. You can learn more about the project here.
As part of the DevX team, youll own both infrastructure and application-level responsibilities. This includes the microservices we build and run, as well as internal platforms like Retool, which we maintain and extend to support our organizations needs. Youll work across automation, infrastructure-as-code, and backend development to deliver high-impact tools used daily by engineers across the company.
What You'll Be Doing:
Build and maintain CI/CD pipelines that enable fast, reliable, and secure deployments.
Contribute to the development of our Kubernetes operator and other supporting services.
Own and evolve infrastructure components using infrastructure-as-code (e.g., Terraform, Pulumi, Helm).
Develop and maintain internal microservices that support platform capabilities and developer workflows.
Maintain and extend internal tools like Retool, enabling teams to build internal apps and dashboards efficiently.
Implement observability best practices through monitoring, logging, and alerting.
Collaborate with engineering teams to identify bottlenecks and deliver scalable, automated solutions.
Drive adoption of DevOps best practices, including GitOps, progressive delivery, and shift-left testing.

We are looking for a DevOps Engineer with strong development skills to join our Developer Experience (DevX) team. Were a hybrid DevOps and development team focused on building and operating internal tools, infrastructure, and services that streamline engineering workflows and accelerate delivery across the company.
We are the team behind the Dynamic Environment Kubernetes Operator, which empowers teams to spin up ephemeral, on-demand environments for development, testing, and validation. You can learn more about the project here.
As part of the DevX team, youll own both infrastructure and application-level responsibilities. This includes the microservices we build and run, as well as internal platforms like Retool, which we maintain and extend to support our organizations needs. Youll work across automation, infrastructure-as-code, and backend development to deliver high-impact tools used daily by engineers across the company.
What You'll Be Doing:
Build and maintain CI/CD pipelines that enable fast, reliable, and secure deployments.
Contribute to the development of our Kubernetes operator and other supporting services.
Own and evolve infrastructure components using infrastructure-as-code (e.g., Terraform, Pulumi, Helm).
Develop and maintain internal microservices that support platform capabilities and developer workflows.
Maintain and extend internal tools like Retool, enabling teams to build internal apps and dashboards efficiently.
Implement observability best practices through monitoring, logging, and alerting.
Collaborate with engineering teams to identify bottlenecks and deliver scalable, automated solutions.
Drive adoption of DevOps best practices, including GitOps, progressive delivery, and shift-left testing.

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.

Required Backend Engineer
Description
About the team:
The team ensures that all our customers operate on a modern, scalable, and reliable platform. We build both backend and frontend capabilities that bring established product functionality into our modern experience, while also developing new, high-impact features based on customer needs. Our work improves stability, reduces friction, and elevates the overall experience for both existing and new customers. By owning critical systems, integrations, and UI components, we drive our continuous product evolution and support AI-enhanced service delivery at global scale.
Key Responsibilities
Develop and maintain backend services using Java, Spring, and modern frameworks.
Design, build, and optimize RESTful APIs for seamless integration with frontend applications and external services.
Develop and integrate AI agents and backend services leveraging Large Language Models (LLMs) where relevant.
Work with SQL databases (MySQL) and implement efficient data access and optimization patterns.
Collaborate closely with Product, Frontend, and DevOps teams to deliver secure, robust, and scalable solutions.
Deploy, monitor, and maintain Java services in cloud environments such as AWS, including usage of Docker/Kubernetes where applicable.
Ensure high code quality through automated testing, peer reviews, and adherence to secure coding best practices.
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.

We're seeking a Senior Backend Engineer who's open to occasional frontend work (10-20%). You'll primarily build robust backend systems while occasionally contributing to user-facing features when needed. No frontend expertise required - just willingness to learn.

What You'll Do

Lead end-to-end feature development

Architect scalable solutions for our React/NestJS platform

Collaborate with Product, Design, and Security teams on user-facing features

Optimize application performance and security for enterprise customers

Build scalable systems to onboard and serve a growing customer base

Required Backend Developer
Our Mission
Our vision is to let everyone enjoy financial freedom, regardless of their banking status, credit score, or other obsolete metrics.
Our platform does just that, without depending on the traditional banking system.
We provide digital financial services for a variety of populations, serving tens of thousands of customers every month.
Using cutting-edge technologies and our global financial network, we provide our customers, individuals, or businesses, advanced services including multi-currency accounts, international Visa cards, and real-time cross-border payments, with expertise in hard to reach destinations.
Responsibilities:
As a Backend developer, you will work on our financial core.
Tackle complex challenges both in business and scale/performance related.
Own new developments from design to deployment.
Work closely with various teams in the company - product, finance, operations, bizdev and others.
Strive for greatness - Ensure highest standards of architecture & design, performance, security and best practices are met.

We seek an experienced Machine Learning Software Engineer to join our ML 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.

Join a team of highly motivated developers to work together to fill 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

As a Data Infra engineer, you will provide creative solutions for data-related problems at scale by mixing in-house and open source technology such as Kafka, Spark, Snowflake and more. You should be a Team player, a quick learner, and have a Can Do approach.



Responsibilities

Join a team of highly motivated developers to work together to fill At-Bays growing software and scaling needs
Writing well-tested, organized, and robust code to support a rapidly growing organization
Work in a modern software environment with continuously deployed and integrated code in our cloud-based infrastructure
Communicating and working openly with other developers to solve problems and produce high-quality code
Create, maintain and own the core company data pipeline, responsible for scaling up data processing flow to meet the rapid data growth at At-Bay
Consistently evolve data model & data schema based on business and engineering needs
Implement systems tracking data quality and consistency
Develop tools supporting self-service data pipeline management (ETL)
Work with stakeholders including ML Engineering, Product, Data analytics, Cyber Engineers, Risk teams and R&D teams to assist with data-related technical issues and support their data infrastructure needs.
Create data tools for analytics and data scientist team members that assist them in building and optimizing our product into an innovative industry leader.

Were looking for a Backend Engineer to join our growing R&D team and take an active role in building and scaling core components of our product.

Your Chain of Impact:

Spearhead feature development from requirements to delivery.
Participate in all phases of the software development lifecycle within an agile framework.
Stay abreast of emerging technologies to keep our solutions cutting-edge.
Maintain high standards for code quality, scalability, readability, and performance.
Take ownership of the product, tech stack, and development processes.

Were building a direct-to-consumer payments platform that powers web stores and in-app purchases for many of the worlds top-grossing mobile games. Our team is growing quickly as we help game studios increase revenue, deepen player relationships, and streamline their payment operations.
As a Senior Software Engineer, youll play a key role in developing the core payments platformoptimizing routing flows, ensuring transaction security, managing refunds, and integrating with a wide range of global payment gateways. Youll work with digital wallets, credit options, and region-specific solutions, implement fraud-detection capabilities, handle the full chargeback lifecycle, and contribute to building our analytics data lake.
Responsibilities:
Building our high scale cloud-based payments platform in Node.js
Have end to end ownership: Design, build, ship, measure and maintain low latency, high availability and high performance services
Bring your unique experience - we are open to new ideas and expect you to bring our team and platform to a new level
Optimize resource usage (database, infrastructure, integrations)
Mentor and guide software engineers and help build a professional and effective team