לוח משרות דרושים Backend Engineer

If you enjoy solving problems where security, scale, distributed systems, and adversarial thinking collide - this is your kind of challenge.
What Youll Do:
Youll collaborate with backend engineers, infrastructure teams and security and cryptography researchers to ship production-grade highly secure digital signing systems, balancing cryptographic rigor, performance constraints, and distributed reliability in a domain where small mistakes have massive consequences. This includes:
Architecting, designing and implementing distributed backend services responsible for key generation, storage and lifecycle management
Developing high-assurance signing protocols and signing flows (utilizing MPC or external signing devices)
Building secure backup and disaster recovery mechanisms for cryptographic material
Hardening systems against adversarial conditions and real-world attack vectors
Optimizing performance-critical components that execute complex operations

we are hiring a Senior Backend Engineer to join the Platform Team in Tel Aviv-Yafo, Israel.
The Platform Team is dedicated to developing mobile platform, delivering a reliable, fast, and secure experience for mobile users.
What Youll Do:
Lead the backend development of the new mobile application.
Design, implement, and maintain high-performance microservices that support low-latency and high-throughput operations.
Develop and optimize mobile API to ensure a seamless and scalable experience for our mobile users.
Collaborate with cross-functional teams to design systems that meet operational and business goals.
Research and implement cloud-native architectures to support ongoing growth and scalability.

We are looking for a Backend Engineer to join our Legal Tech engineering team and help build the next generation of AI-driven litigation ecosystem. This role combines top-tier backend engineering, cloud architecture, and cutting-edge LLM/AI innovation.

Youll build high-scale, secure, multi-tenant services that turn our real-time transcription engine into AI-powered workflows and assistants used by legal teams. The role offers real ownership and chances to lead initiatives, while giving you space to grow your skills in AI development and modern dev-AI tools-all within a supportive, collaborative team.

This is a role for heart-and-soul players with passion, curiosity, and a desire to build something meaningful as part of a strong and mission-driven team.

We are looking for a Senior Backend Engineer to join our Legal Tech engineering team and help build the next generation of AI-driven litigation ecosystem. This role combines top-tier backend engineering, cloud architecture, and cutting-edge LLM/AI innovation.

Youll build high-scale, secure, multi-tenant services that turn our real-time transcription engine into AI-powered workflows and assistants used by legal teams. The role offers real ownership and chances to lead initiatives, while giving you space to grow your skills in AI development and modern dev-AI tools-all within a supportive, collaborative team.

This is a role for heart-and-soul players with passion, curiosity, and a desire to build something meaningful as part of a strong and mission-driven team.

We are looking for a Backend Engineer to join our Data Science team.

In this role, you will partner directly with Data Scientists to transition research prototypes into efficient, production-ready microservices. You will collaborate with a broad forum of experts including architects, data engineers, and product managers, to deliver high-quality technical solutions that drive our product forward.

Responsibilities
Model Tech-Transfer: Transition research prototypes (from Data Scientists) into efficient, production-ready microservices.
Pipeline Management: Build and maintain automated pipelines for data collection, model training, and deployment (using Jenkins & Airflow).
Infrastructure Ownership: Deploy, tune, and manage AWS cloud resources (EC2, S3, ElastiCache) for low latency and high availability.
Monitoring and Evaluation: Implement monitoring for model performance (accuracy, statistical calibration) and Business Performance (adherence with company KPI, business impact).
Quality Assurance: Write robust unit tests and optimise code for performance.

An AI startup is looking for a Software Engineer / Architect for a senior role focused on leading backend architecture and designing complex systems at a critical pre-launch stage.

This position includes broad ownership over infrastructure, scalability, and implementing an AI-first engineering mindset across the product and organization.



Responsibilities:

Lead backend architecture and system design
Design services, APIs, and data flows for an AI product
Build scalable, reliable, production-ready systems
Lead AI-first development best practices
Work closely with the founders on the technical roadmap
Improve engineering processes, performance, and system design
Own product infrastructure in preparation for significant scale

A growing startup company, developing a cloud optimization product, is looking for a Senior Backend Engineer, who combines strong infrastructure expertise with scalable application architecture. In this role, youll own the full backend lifecycle-from designing robust REST APIs to managing containerized environments with Kubernetes-building resilient, high-performance systems.



Key Responsibilities

Design and develop highly available, scalable web applications (including DR scenarios).
Architect and implement secure, well-documented REST APIs.
Manage and scale containerized environments (Kubernetes/Docker Swarm).
Maintain clean, modular, and testable backend code.
Drive CI/CD automation and uphold high code quality standards.
Lead microservices architecture and backend design best practices.

A leading cybersecurity startup, is looking for a Senior Backend Engineer to join its growing R&D team. In this role, you will design and build scalable, high-performance backend services for the next generation of the company's security platform, aligning technical solutions with business needs. The stack includes Java, Go, and React, and transitioning to a SaaS, multi-tenant Micro-services architecture.



Responsibilities

Design and develop scalable, high-performance backend services using Java and Go
Build and evolve a multi-tenant, cloud-native architecture
Work closely with Product, Frontend, Backend, and QA teams
Contribute to architectural decisions, performance goals, and engineering best practices
Mentor team members and collaborate in a fast-paced, innovative environment

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.

Join a global B2B company developing cutting-edge optimization software for the food and delivery industry.



What Youll Do:

Build scalable backend systems for cloud and on-premise environments.
Own features end-to-end: design, implementation, testing, and deployment.
Develop high-performance code for systems running worldwide, often on legacy hardware.
Collaborate with cross-functional teams (Frontend, Product, QA, DevOps).
Innovate under real-world constraints with performance and stability in mind.
Work independently while driving backend best practices.

A global software company developing cloud computing services for digital media management is looking for a Senior Back-End Engineer.

Join a cross-location team (Poland and Israel) building the cloud-based asset product at scale.

The role includes responsibility for the full development lifecycle - deciding what to build, how to build it, and delivering it end-to-end.



What Youll Do

Become the teams go-to expert on our services and infrastructure
Work closely with product managers to understand goals and deliver impactful features
Maintain high code quality and scalable architecture, collaborating with developers and the architects forum
Use code-generation tools to maximize efficiency
Proactively identify improvements and refine solutions based on customer feedback

abra R&D is looking for a Backend Platform AI Engineer! ab ra R&D is looking for a Backend Platform Engineer to help build the next?generation Database built from scratch for AI Agents This role focuses on building the developer-facing platform around the core database engine- enabling seamless integration with AI agent frameworks (LangChain, PydanticAI, and others), as well as external systems via connectors, plugins, and SDKs What You’ll Do
* Design and build MCP APIs and core backend services
* Develop and maintain SDKs (Python, TypeScript, Go, Rust)
* Build connectors and plugins for AI agent platforms (LangChain, PydanticAI, others)
* Design clean, scalable, and ergonomic developer-facing APIs
* Own integration infrastructure (auth, streaming, event pipelines, webhooks)
* Build and optimize real-time data flows between agents, services, and the database
* Collaborate closely with database engineers to expose powerful capabilities through well-designed APIs
* Ensure reliability, observability, and performance of all external-facing systems

We are looking for a Senior Backend Engineer to join our R&D team in developing the new rising product in the health landscape.

As a Senior Backend Engineer, you will have an impact on how we architect, build, scale, and maintain our backend systems. You will provide technical guidance and mentorship to other engineers on the team, help establish and maintain best practices for development, and participate in the development of the companys technological roadmap. Youll solve complex engineering challenges and drive engineering excellence in a dynamic environment and rapidly increasing scale.

Our ideal candidate has a real passion for making a positive change in the world, for technology and customers, has great communication skills, and loves to constantly improve themselves, our working practices, and our code base.

This is a great opportunity to join the core team of a growing, successful startup and work with the most advanced technologies.

Responsibilities
Lead/Participate in system design and architecture discussions.
Implement and own infrastructure and features; be involved and impact the entire product lifecycle (concept, design, test, release, and production support).
Teach, mentor, grow, and provide advice to other domain experts and individual contributors.
Acquire an in-depth understanding of our technical challenges and strive to improve them.
Play a central role in technical, business, and organizational contributions.
Be a vocal advocate for technical excellence and help the team members make sound decisions.
Work with product managers, data scientists, and other team members to understand the desired requirements and provide your feedback to improve the outcome of the feature.

we are revolutionizing maritime operations with cutting-edge computer vision, augmented reality, and autonomous technologies. Our mission is bold: make ocean shipping safer, more efficient, and significantly greener.
From real-time navigation assistance to AI-driven insights that reduce fuel consumption and prevent collisions, were building a future where ships sail smarter. Join our growing team and help shape the next generation of intelligent maritime systems used by leading fleets across the globe.
The Role
Were looking for a Senior Software Engineer with a passion for solving tough technical challenges, working across the stack, and building systems that matter. This is your opportunity to work on an advanced, real-world product involving computer vision, edge computing, and scalable cloud architecture.
What Youll Do
Design and implement robust, scalable components across the software stack.
Take end-to-end ownership of complex features-from concept to deployment.
Collaborate with product managers, system engineers, and AI researchers to build integrated solutions.
Contribute to a high-performance platform that combines real-time sensor data, video analytics, and cloud services.
Build and maintain CI/CD pipelines and automated test frameworks.
Lead with quality-writing clean, testable code and applying TDD principles.
Mentor teammates, share knowledge, and help set best practices across the team.

Appdome’s mission is to protect every mobile app in the world and the people who use mobile apps in their lives and at work. Appdome provides mobile brands with the only patented, centralized, data-driven Mobile Cyber Defense Automation platform, delivering rapid no-code, no-SDK mobile app security, anti-fraud, anti-malware, anti-cheat, anti-bot implementations, configuration as code ease, Threat-Events™ threat-aware UI/UX control, ThreatScope™ Mobile XDR, and Certified Secure™ DevSecOps Certification in one integrated system. With Appdome, mobile developers, cyber and fraud teams can accelerate delivery, guarantee compliance, and leverage automation to build, test, release, and monitor the full range of cyber, anti-fraud, and other defenses needed in mobile apps from inside mobile DevOps and CI/CD pipeline. Leading financial, healthcare, m-commerce, consumer, and B2B brands use Appdome to upgrade mobile DevSecOps and protect Android & iOS apps, mobile customers, and mobile businesses globally. Today, Appdome's customers use their platform to secure over 50,000+ mobile apps with protection of over 1B mobile end users projected. About the Role We're looking for a Backend Engineer to own the core logic behind our fraud management APIs - building systems that make real-time risk decisions at scale. You'll leverage Appdome's extensive threat visibility and historic data to outsmart fraudsters and protect millions of users worldwide.
What You'll Do
* Own the business logic of fraud management APIs and the risk assessment & profile builder algorithms.
* Design, develop, and maintain systems that make split-second decisions, balancing security with customer experience.
* Leverage Appdome's threat data to continuously enhance the fidelity of risk evaluation.
* Ensure the system meets required accuracy and performance metrics as threats evolve and volumes grow.
* Collaborate with product management, data engineering, and DevOps teams to evolve detection capabilities