לוח משרות דרושים JavaScript

we are looking for a strong senior FullStack Engineer! We are looking for a versatile Full Stack Developer (AWS Certified Developer Associate) with strong experience across frontend, backend, and cloud technologies to build scalable, cloud-native applications on AWS. Responsibilities:
* Develop responsive, cross-platform web, mobile, and desktop apps using React or Angular, React Native/Ionic, and Electron.
* Build scalable backend microservices with NestJS ( Node.js ) or Spring Boot ( JAVA ), implementing REST/GraphQL APIs, event-driven architectures, authentication, and Real-Time features.
* Write code in Python and JAVA, with additional value for experience in C ++, Rust, or Go for high-performance services.
* Design data models and manage SQL (PostgreSQL/MySQL) and NoSQL (MongoDB, Redis, DynamoDB) databases.
* Deploy and maintain cloud-native systems using AWS Lambda, API Gateway, ECS/EKS, Fargate, S3, RDS, DynamoDB, and other AWS services.
* Implement Infrastructure as Code (CloudFormation, CDK, Terraform), and automate CI/CD with CodePipeline or GitHub Actions.
* Apply AWS security best practices (IAM, Cognito, Secrets Manager) and monitor systems with CloudWatch, X-Ray, and ELK Stack.
* Optimize application performance, cost efficiency, and scalability through DevOps and cloud automation.

We are looking for an exceptional and passionate Front-End Developer to join our team. The developer will be part of a dynamic team that develops cloud-based applications serving millions of customers globally. This role involves designing and implementing user-facing features for our web applications, ensuring a seamless and enjoyable user experience.
Responsibilities:
Developing and implementing highly-responsive user interface components using React concepts or other JavaScript frameworks
Translating designs and wireframes into high-quality code
Optimizing components for maximum performance across a vast array of web-capable devices and browsers
Collaborating with back-end developers and web designers to improve usability
Seeing through a project from conception to finished product
Collaborating with a team of skilled developers to develop high-traffic, cloud-based applications
Participating in code reviews to maintain code quality and sharing best practices with the team
Provide guidance and mentorship to junior developers, promoting continuous learning and improvement within the team

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 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 JavaScript Algorithm Engineer.
You will be joining a team of highly professional and innovative engineers and scientists that are driven by passion for the domain and the mission of the company. We value scientific and engineering excellence, are committed to creating high impact products that reach our customers and work in collaboration with each other in an egoless environment.
Your Impact:
Research, design and implement new detection algorithms for web accessibility issues and improve existing ones.
Ensure all research is well documented and reproducible.
Build and enhance tools that enable data collection, labeling and analysis at scale for research purposes.
Integrate new models and algorithms into existing products.
Build interfaces for projects in the POC phase to enable demonstration and the collection of feedback from internal users and select design partners.

We are seeking an experienced engineer to join the Sensor team in pushing the boundaries of real-time, client-side JavaScript development.
Responsibilities:
Drive the design, development, and optimization of advanced JavaScript techniques to collect signals (user behavior, device characteristics, browser APIs) securely and efficiently.
Own the full code lifecycle: architecture, development, deployment, monitoring, and continuous improvement.
Guide the teams technical direction, balancing innovation with stability and scalability.
Lead, mentor, and grow a team of talented core JavaScript engineers focused on building detection sensors that operate across diverse browsers and devices.
Collaborate closely with Product, Research, Security, and Engineering teams to align technical execution with broader product goals.

we are looking for an experienced Fullstack and Webflow developer to join the Growth team. Were looking for a peoples person with a keen eye for design and user experience, to help us develop web based marketing and product pages
You will work closely with our product and marketing teams to envision the next generation of funnel, experience and build new products driving users to take action via the marketing site, landing pages and embedded widgets environments.
RESPONSIBILITIES:
Own the development and maintenance of Webflow pages across the company's marketing site and product-related microsites, ensuring performance, responsiveness, and consistency with brand and design guidelines
Build fullstack features and tools that support Growth initiativessuch as landing pages, interactive components, dashboards, and other user-facing experiencesaimed at increasing traffic, engagement, and conversio
Integrate Webflow with internal systems and APIs, enabling data-driven and personalized web experiences that support the marketing and product pipeline
Develop Growth products (e.g., widgets, embeddable tools, data visualizations) that live both on and outside the companys main site to drive lead generation and business impact
Monitor, maintain, and improve existing web assets, ensuring they remain up to date, functional, and optimized for performance and SEO
Collaborate cross-functionally with design, marketing, product, and data teams to translate ideas into working solutions that align with business goals

We are looking for a Full-stack team lead.
Responsibilities:
Lead a team of full-stack engineers while doing hands-on technical work.
Set goals, plan, manage and mitigate risks, define tasks and manage timelines to execute a roadmap.
Provide technical guidance, career development, and mentoring your team.
Collaborate with other engineering teams across the R&D organization.
Work closely with Product Managers and UX Designers.
Our stack includes Python, Typescript, React, PostgreSQL, MongoDB, Redis, Kafka, SQS and Docker.

we are looking for a motivated and creative Software System Engineer who will be part of the R&D group, and provide technical leadership and help Engineering build next-generation products to manage modern software releases.
This role will report directly to the VP R&D, and involves defining system architecture, dealing with Engineering-centric requirements, researching technical innovations, and engaging in POCs gauging technical risk. Candidates must have solid experience working on complex systems, as well as with software architecture and design process.
Responsibilities:
Technical lead of multidisciplinary system development
Communicating business requirements, criteria and needs to software development teams
Researching and evaluating technical standards and tools for a project and determining which ones are the optimal choice
Assist in defining coding standards and guidelines for developers to follow.
Designing and revising a projects structure
Distributing development tasks to a team of software engineers
Writing sections of code as part of development in a project
System characterization, system documentation management and address system requirements
Architecture definition and requirements analysis and definition
Enhance operations by performing systems analysis; suggest modifications in procedures and policies
Provide architectural oversight and guidance to Engineering teams
Evaluate new technologies
Participate in senior technical job interviews as needed

We are a dynamic technology firm dedicated to building exceptional products using modern technologies for the world's most admired companies. We pride ourselves on innovation, collaboration, and delivering excellence in every project.

Job Description:
Develop new user-facing features using HTML, CSS, and JavaScript.
Collaborate with UX/UI designers to implement responsive and visually appealing designs.
Optimize applications for speed and efficiency.
Troubleshoot and debug issues in existing applications.
Stay up-to-date with the latest industry trends and technologies.

Realize your potential by joining the leading performance-driven advertising company!
As an Mobile Enablement Manager on the Professional Services group in our Tel-Aviv Office, youll work closely with our Engineering and Product teams, act as a knowledge hub and actively deliver exceptional new products to our global Professional Services group and customers.
How youll make an impact:
As a Mobile Enablement Manager, youll bring value by:
Play a pivotal role in the product lifecycle and its roadmap.
Work closely with our companys Engineering and Product teams on enabling new features for scale.
Take end-to-end ownership of new products and features.
From the support perspective, this includes training, creating/updating knowledge base articles, and other internal communication.
From the product perspective, it includes implementation, integration, documentation, scaling, and effectively communicating to all stakeholders.
Create and Maintain new product documentation and training for Professional Services and business teams, including creating/updating knowledge base articles.
Handle highly complex technical escalations coming from Professional Services and consult on complex implementations/issues coming from clients. This may require close dev to dev calls with clients Engineering teams.
Serve as a knowledge hub on features and our company products and ensure support issues are resolved meticulously.
Create and lead support improvement processes across the company.
Technically contribute to product maturity and scale by creating scripts, tools, and processes, as well as developing tools, processes, and automation for internal and external stakeholders.
Lead, manage, and execute cross-company technical projects and product improvements. Be willing to take on any challenge or role in the project, including hands-on contributions.
Track product performance, analyzing the quality of service (delivery/support) to our clients.