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abra R&D is seeking for a Senior DevOps Engineer - AWS Cloud Specialist. We are looking for a Senior DevOps Engineer with AWS expertise and professional certifications to lead cloud infrastructure initiatives and support development teams in building scalable, secure, and highly available applications. Responsibilities: Design and manage AWS infrastructure (EC2, ECS, EKS, Lambda, RDS, S3)
* Build CI/CD pipelines (CodePipeline, CodeBuild, CodeDeploy)
* Implement Infrastructure as Code (CloudFormation, Terraform, CDK)
* Deploy containers (Docker, Kubernetes, ECS/EKS)
* Manage security (IAM, GuardDuty, KMS, WAF)
* Monitor systems (CloudWatch, X-Ray)
* Design high availability and disaster recovery

Were looking for an experienced Staff Engineer to join our CTO Office, focusing squarely on engineering excellence and platform scalability. Youll partner with senior technical leaders to define best practices, design and validate scalable architectures, and build the frameworks and automation that enable our teams to deliver reliable, high-performance products at scale.

On a typical day, youll
Architect for scale & reliability: Design, review and validate core platform components to support rapid growth in traffic, data volume, and feature velocity.
Elevate engineering standards: Define and evangelize coding standards, CI/CD pipelines, test automation frameworks, and observability practices.
Lead reviews & mentor: Conduct regular architecture and code reviews; coach senior engineers and drive continual improvement across teams.
Cross-functional collaboration: Work with product, security, and infrastructure teams to align on non-functional requirements (reliability, latency, throughput).
Build tooling & automation: Identify workflow gaps and develop internal tools or frameworks to automate testing, deployment, monitoring, and remediation.
Monitor & optimize: Analyze system metrics, troubleshoot production incidents, and recommend performance and reliability improvements.
Prototype & validate: Run targeted proof-of-concepts focused on operational excellencebenchmark solutions and recommend adoption plans.

seeking a sharp, execution-focused AI Optimization Specialist to lead the identification, design, and implementation of AI-driven efficiencies across all departments. This role will be instrumental in streamlining workflows, reducing costs, and improving productivity using modern AI tools and automation techniques. You will work closely with departmental leaders (Sales, Marketing, R&D, HR, Customer Success, Finance) to map processes, identify inefficiencies, and deploy scalable AI solutions.

What You Will Do
Conduct a full audit of internal operations, job roles, and workflows across the company.
Identify bottlenecks, inefficiencies, or repetitive/manual tasks that can be automated with AI.
Evaluate and implement AI tools (e.g., copilots, chatbots, workflow automation, NLP, generative AI, data analysis models).
Build and pilot internal AI use cases (e.g., automatic ticket triage, content generation, lead enrichment, meeting summarization, QA testing automation).
Collaborate with security and IT to ensure tools are secure and compliant with company standards.
Drive change management and onboard teams to AI-enhanced workflows.
Measure impact: cost savings, time-to-execution improvement, productivity gains.
Stay ahead of the curve with developments in AI tooling and assess new technologies continuously.

we are seeking a talented Site Reliability Engineer to join our team in Israel.
Our SRE team is responsible for the design, creation, and maintenance of a complete multi-on-prem and cloud applications, deployment and monitoring framework, working with all major cloud providers. (AWS/Azure/GCP).
This is an amazing opportunity to work with a world-class technical team and to hold responsibility for designing, creating, and provisioning infrastructure as well as deploying and maintaining applications with a focus on infrastructure as code.
We aim to adopt the best solutions to fulfill our requirements, and you will be encouraged to bring your ideas and new thinking.
So, if you want to grow with us and work for a world leader company, Now it is the right time to join.
What You'll Do
Site reliability engineer is what you get when you treat operations as if its a software problem. Our mission is to protect, provide for, and progress the software and systems behind all of our services
Ensure high uptime and reliability of Crossixs production environment, on-prem and cloud
Take responsibility for managing the production environment, security, change management, deployment, architecture, and tools
Lead technical calls with business partners to explain how our applications are architected, understand requirements, and handle production problems
Perform root cause analysis for complex failures and offer modern solutions and tools
Utilize Grafana to develop effective dashboards that provide key insights and system performance
Analyze performance and stability issues and create in-house automation tooling
Work closely with DevOps, R&D, product, and integration managers to enable automated CI/CD methods
Design, develop, and drive troubleshooting & mitigation tools as part of driving self-healing agenda
Constantly improve the technology stack, supporting the data growth
Working in a data-driven company with cutting-edge environments that combine on-prem and cloud technologies

We are looking for a Senior Backend Developer.

As a Backend Billing Team Leader , you will lead and mentor a global team of 8 engineers that build superb Billing applications and systems that is the basis for product.

The Billing team is responsible for building and maintaining compliant billing system that supports both B2C and B2B customers, as well as our drivers and fleets.

We handle high-scale financial transactions, ensuring accuracy, compliance and reliability.

You will be working in collaboration with other team leaders and team members on requirements, design, and development.

The ideal candidate will have strong managerial experience in managing teams, and must have high professional skills, great interpersonal skills, and a proven track record of building strong technological teams. We are looking for people who are passionate about the technology required for building high-quality products.

We seek a motivated and detail-oriented student to join our SW-ALGO team. In this role, you will be supporting the development and validation of signal processing algorithms and software, working mainly in C++, but also some Matlab and Python. You will collaborate closely with our SW algorithm engineers and system engineers. Our team works on cutting-edge digital communications projects, aiming to develop innovative signal processing algorithms and software.

This exciting part-time opportunity is based in our Haifa office and requires a minimum of two on-site workdays per week. Candidates should have at least four semesters remaining before completing their studies.

Responsibilities:
Assist in the development and testing process of SW algorithms, ensuring accuracy and reliability, including bit-exact testing.
Develop and maintain scripts and automation tools to streamline processes.
Participate in laboratory and experimental activities, including setup and data collection.
Debug complex SW issues through log analysis and on-target testing and find SW solutions.

We are looking for a motivated student to join our Software team. In this role, you will support the development process by maintaining our CI/CD pipelines, executing, and maintaining integration tests on version builds and ensuring smooth delivery of software. This is a hands-on role where you will gain practical experience with modern DevOps practices, automation, and integration environments.

Requirements
Responsibilities

DevOps

Maintain and improve CI/CD pipelines to ensure reliable and fast delivery.
Support and maintain Jenkins build machines, including job configurations and automation.
Write scripts (Python/Bash) to automate workflows and improve efficiency.
Ensure continuous monitoring and improvement of build processes.
Integration

Run and maintain integration test suites on version builds.
Investigate and troubleshoot build or test failures.
Collaborate with developers to ensure smooth integration of new features and bug fixes.
Tools & Platforms

Work with Atlassian products: Jira (task management), Bitbucket (source control), Confluence (documentation).
Contribute to documentation and knowledge sharing for integration and DevOps processes.

We are At Cross River, we're building the financial infrastructure that powers global innovation. With our cutting-edge suite of embedded payments, cards, and lending solutions, we enable millions of businesses and consumers to transact seamlessly and securely. With 900+ employees worldwide and an R&D center of over 160 employees in Jerusalem - we’re reshaping how financial technology is developed and delivered.

The Role:
We’re seeking a Senior Application Security Engineer to be the go-to security expert for our software and blockchain engineering teams. In this high-impact role, you’ll embed security across the entire SDLC - from CI/CD pipelines to smart contracts—helping us build secure-by-design systems that power the future of fintech and digital assets. You’ll lead threat modeling, drive secure development practices, and automate guardrails that make security effortless for developers. As part of a collaborative security team, you’ll influence architecture, compliance, and innovation while protecting millions of users and billions in assets.

Who You Are:

* A proactive self-starter with deep expertise in application and cloud security
* Passionate about secure development and enabling engineers through thoughtful guardrails
* Clear and confident communicator who can influence across technical and non-technical teams
* Curious about emerging threats and excited by the challenges of blockchain security
* Committed to excellence, with a strong sense of ownership and a drive to build secure systems that scale

What You’ll Actually Be Doing:

* Integrate security tools (SAST, DAST, SCA, secret scanning) into CI/CD pipelines using GitHub Actions, Jenkins, and related DevOps tooling
* Lead threat modeling and secure architecture reviews for new features, APIs, and blockchain systems
* Conduct smart contract security reviews and advise on cryptographic and wallet security patterns
* Coordinate penetration tests, manage bug bounty reports, and track remediation through development teams
* Build reusable security components, libraries, and developer-friendly guardrails
* Deliver internal training, build a security champion network, and drive adoption of AppSec best practices
* Produce security metrics, documentation, and audit evidence to support FFIEC, PCI DSS, SOC 2 compliance
* Stay current on evolving threats in blockchain, DeFi, GenAI, and supply-chain ecosystems

Why You’ll Love Working Here:

* Flexible hybrid model: 3 days a week in the office – A must
* ₪1,000 net monthly wellness benefit – from therapy to Pilates to your kid’s art class
* Full Keren Hishtalmut, private health & dental insurance
* Donation matching, volunteering days, team outings, and mentorship programs
* A mission-driven culture that values ownership, trust, and meaningful impact

Next Step:
Hit Apply. Bring your AppSec mastery abilities. We’ll bring the challenge – and the snacks.

We are looking for a FullStack Team Leader.
Your Impact:
Lead, mentor, and grow a multidisciplinary team (Backend/Frontend/Fullstack developers).
Directly manage team members, facilitating effective prioritization, risk management, and technical decision-making.
Provide hands-on leadership, contributing actively to technical solutions and coding (partial hands-on).
Architect, design, and oversee the development of innovative systems.
Collaborate closely with Product, DevOps, Frontend and Data Science teams to align priorities, ensure efficient development cycles, and achieve cross-functional objectives.
Establish and refine team processes, tools, and methodologies to optimize performance, quality, and stability.
Support team members' professional growth through coaching, mentoring, and continuous feedback.
Act as the primary problem solver and technical resource for the team.

We are looking for a FullStack Team Leader.
Your Impact:
Lead, mentor, and grow a multidisciplinary team (Backend/Frontend/Fullstack developers).
Directly manage team members, facilitating effective prioritization, risk management, and technical decision-making.
Provide hands-on leadership, contributing actively to technical solutions and coding (partial hands-on).
Architect, design, and oversee the development of innovative systems.
Collaborate closely with Product, DevOps, Frontend and Data Science teams to align priorities, ensure efficient development cycles, and achieve cross-functional objectives.
Establish and refine team processes, tools, and methodologies to optimize performance, quality, and stability.
Support team members' professional growth through coaching, mentoring, and continuous feedback.
Act as the primary problem solver and technical resource for the team.

We're looking for a Senior Backend Engineer to join the Acquisition team, as part of the Data Group.
In this role, youll play a key part in designing, developing, and maintaining our data gateway, integrating new data sources into our system, and tackling challenges related to scale, efficiency, and cost-effectiveness. Youll also help research and define solutions to complex technical problems as we continue to innovate in the SaaS security space.
Tech stack: AWS, Kubernetes, Python, Postgres, Redis, Rabbit, Kafka, Date-Lake

We are international Multi-Cloud experts, utilizing the power of the cloud for smart digital transformation. With 5 sites over 4 continents around the globe, +450 experts, +1000 customers, and +30 years of proven experience, our mission is to deliver the best Multi-Cloud service to our customers, accelerate their business and help them grow. As tech-savvies, To help our customers stay on top of their game, our teams are constantly developing new strategies and tools that will help them improve cloud performance, spending, visibility, control, and automation. Our cloud experts will make any digital transformation a quick, smart, and easy process.

We are looking for a passionate C++ Developer to join our small all-star team. As part of your role, you will design the architecture, develop, and deploy a new consumer-facing product from the ground up. This role uniquely blends deep low-level R&D with the challenges of performance optimization at a large-scale. This is an amazing opportunity to join a multi-disciplinary A-team while working in a fast-paced, data-oriented environment. If you are experienced but still hungry to learn and impact - wed love to have you on our team!
What Youll Do:
Design, build, and maintain the core modules of a cutting-edge consumer-facing product, poised to compete at the highest level with the worlds leading tech companies.
End to end research and development of complex low-level features as part of a large scale project built by a small team.
Plunge into a world of data, analytics, and ML.
Work closely with data scientists and developers to understand the business from top-to-bottom.
Technological superiority is what gives us our edge so youll work and be up to date with the latest tech and trends

We are looking for a passionate Senior Full-Stack Developer to join our small all-star team. As part of your role, you will design the architecture, develop, and deploy the internal system that controls our core ML engine and bidding systems. In addition, you'll help improve the back office and infrastructure of our user-facing modules serving millions of users and impressions each day.
This is an amazing opportunity to join a multi-disciplinary A-team while working in a fast-paced, data-oriented environment.
If you are experienced but still hungry to learn and impact - wed love to have you on our team!
What Youll Do:
Take ownership of the internal systems controlling, navigating and monitoring our ML and media engines and used by all company members
Plunge into a world of data, analytics, ML, high-paced and high scale user and market movements
Work closely with data scientists and developers to understand the business from top-to-bottom and identify new modules that could turbocharge company processes
Improve our user-facing modules and tackle diverse issues like solving worldwide caching, designing A\B test systems and optimizing page performance
Technological superiority is what gives us our edge so youll work and be up to date with the latest tech and trends