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We are seeking an Architect to join the Office of the CTO and be part of a group of Architects who provide technical leadership and help Engineering build next-generation products to manage modern software releases.
As a Software Architect you will...
Define architectural approaches and detailed technical Engineering specifications
Develop architectural POCs, research technical innovations and evaluate new technologies
Provide architectural oversight and guidance to Engineering teams, negotiate trade-offs and drive issues to closure
Work with Product Management to understand business requirements and market trends
Review code and perform acceptance testing to ensure quality and consistency with architectural vision
Help to steer the architectural and Engineering priorities of the company.

We are seeking a highly motivated and experienced Team Leader to join our R&D group, and be responsible for planning, coordinating, and leading technical projects and efforts across the full delivery lifecycle of the Artifactory product, to ensure successful deliveries. To join us, you need to demonstrate the ability for hands-on leadership and ensure you can offer guidance and support, as well as assist developers at the code level.
As a R&D Team Leader you will...
Lead a team of 7-10 developers, working on large-scale, complex, and cutting-edge systems
Manage the delivery of multiple, complex, simultaneous development projects from design through to release
Ensure that risks and issues are identified and managed closely while driving all stakeholders to deliver on time and to the required quality standards
Make key decisions to ensure the right effort on the right opportunity for the successful implementation of all initiatives.

we are looking for a Senior Firmware Verification Engineer to define, develop and maintain verification for our Ethernet switches. This role offers you an excellent opportunity to participate in the development process of our company switches and gain a deep understanding in hardware, firmware and software systems in a rapidly growing field.
What youll be doing:
Closely work with SDK/FW R&D Architecture and QA to define, write and implement test plan for out product existing new features.
Be responsible for verification and delivering different Networking features.
Define, develop and maintain verification procedure and reference model infrastructure - make test suites robust.
Work with continuous integration system, regression tools, automate builds, run test suites and analyzing results.

we are looking for best-in-class Chip Design Engineer to join our outstanding Networking Silicon Engineering team, developing the industry's best high-speed communication devices, delivering the highest throughput and lowest latency! Come and take a significant part in verifying our ground-breaking and innovating chips, enjoy working in a meaningful, growing and highly professional environment where you make a huge impact in a technology-focused company.
What youll be doing:
Work in a combined design and verification team that develops front-end design for the Switch silicon, GPU and HCA.
Plan and Design Verification units/blocks according to Arch & Micro arch specifications under challenging constraints with high orientation to power, area, and performance.
Work closely with multiple teams within organizations such as Architecture, Micro-Architecture, and FWinteraction with organization-wide groups.

Required Big Data & GenAI Engineering Lead
As a Big Data & GenAI Engineering Lead within our Data & AI Department, you will play a pivotal role in building the data and AI backbone that empowers product innovation and intelligent business decisions. You will lead the design and implementation of our next-generation lakehouse architecture, real-time data infrastructure, and GenAI-enriched solutions, helping drive automation, insights, and personalization at scale. In this role, you will architect and optimize our modern data platform while also integrating and operationalizing Generative AI models to support go-to-market use cases. This includes embedding LLMs and vector search into core data workflows, establishing secure and scalable RAG pipelines, and partnering cross-functionally to deliver impactful AI applications.
As a Big Data & GenAI Engineering Lead you will...
Design, lead, and evolve our petabyte-scale Lakehouse and modern data platform to meet performance, scalability, privacy, and extensibility goals.
Architect and implement GenAI-powered data solutions, including retrieval-augmented generation (RAG), semantic search, and LLM orchestration frameworks tailored to business and developer use cases.
Partner with product, engineering, and business stakeholders to identify and develop AI-first use cases, such as intelligent assistants, code insights, anomaly detection, and generative reporting.
Integrate open-source and commercial LLMs securely into data products using frameworks such as LangChain, or similar, to augment AI capabilities into data products.
Collaborate closely with engineering teams to drive instrumentation, telemetry capture, and high-quality data pipelines that feed both analytics and GenAI applications.
Provide technical leadership and mentorship to a cross-functional team of data and ML engineers, ensuring adherence to best practices in data and AI engineering.
Lead tool evaluation, architectural PoCs, and decisions on foundational AI/ML tooling (e.g., vector databases, feature stores, orchestration platforms).
Foster platform adoption through enablement resources, shared assets, and developer-facing APIs and SDKs for accessing GenAI capabilities.

We are seeking a highly motivated and results-driven Sales Development Representative (SDR) to join our dynamic and growing sales team. As an SDR, you will play a critical role in driving our sales pipeline and generating new business opportunities. Your primary responsibility will be prospecting and qualifying leads to connect with potential customers.
Key Responsibilities:
Conduct outbound prospecting activities to identify and qualify leads through various channels, including phone calls, emails, and social media.
Engage with prospects to understand their needs, challenges, and sales goals.
Schedule and coordinate meetings or demos between prospects and Account Executives.
Maintain accurate and up-to-date records of all prospect interactions in the CRM system (Hubspot).
Achieve and exceed monthly/quarterly sales targets and key performance indicators (KPIs).
Continuously enhance your knowledge of product offerings, industry trends, and competitive landscape.

Were seeking a skilled and experienced Salesforce Expert to join our dynamic team. The role requires excellent tech lead skills, system analysis experience, and skills in Salesforce CRM as well as other business applications. In this role, you will be responsible for implementing change management processes and automation tools to streamline deployments, staying updated on Salesforce platform updates, new features, and best practices, and driving continuous improvement initiatives within the team.
As a Salesforce Tech lead you will
Be responsible for a holistic view of SFDC implementation as part of the Lead to Cash process.
Act as release manager for cross-functional SFDC implementations
Identifying potential risks and dependencies associated with releases
Be proactive with best practices, new technologies, and new offerings
Act as a technical resource for the team
Staying updated on Salesforce platform updates, new features, and best practices and driving continuous improvement initiatives within the team.
Track and manage changes to Salesforce configurations, code, and metadata, ensuring compliance with organizational policies and procedures.
Guide and mentor a team of Salesforce administrator.

The quality team is looking for a highly motivated and experienced Quality Architect, with proven experience in test design, automation and performance, to boost the quality of our growing products. In this role, you will provide leadership and guidance to R&D and quality engineering teams, ensuring they adhere to industry standards and deliver high-quality, reliable software products.
As a QA Architect you will...
Define the QA strategy, approach, standards and execution to quality testing across our suite of products and collaborate with other leaders to build the approach
Continually improve the operational efficiency and effectiveness of the QA effort by assessing current quality assurance practices and incorporating new strategies
Build new performance and scale testing and choose tools to ensure the optimal performance of code
Design and build our automation infrastructure framework and its building blocks
Oversee product release quality and risks in our self-hosted and SaaS products
Define and implement quality metrics and reporting mechanisms
Continually improve the operational efficiency and effectiveness of QA by assessing current quality assurance practices and incorporating new strategies.

Join our company and Shape the Future of AI Infrastructure.
At our company, our inventions are the engine of accelerated computing and modern AI. Our work powers everything from groundbreaking scientific research to the generative AI applications transforming our world. We believe that our people are our greatest strength, and we're looking for a skilled PCIe Firmware Engineer to join our team and help our customers succeed.
In this role, you will be a critical link between our pear team / QA / Application and the PCIe FW design team. You will have a direct impact on our business and technology by solving sophisticated technical challenges and ensuring our customers can build the next generation of supercomputers and AI fabrics.
What you will be doing:
Solve complex problems: Investigate, debug, and resolve challenging PCIe firmware issues for our most important customers, serving as their trusted technical expert.
Collaborate across teams: Partner with our Chip Design, Software, and Architecture engineers to find root causes and develop robust, long-term solutions.
Influence product development: Translate customer needs and field data into actionable feedback that directly shapes the future of our products.
Share your knowledge: Help improve our team's processes and contribute to our knowledge base, making everyone more effective.

Required Senior Software Developer - Core Team
Are you a software engineer who thrives on designing and building scalable, high-quality services and infrastructure? Do you want to work on cutting-edge services while shaping the backbone of an ML platform? If so, wed love to have you join us.
As a Senior Software Engineer, you will play a critical role in architecting and developing cloud based core services and infrastructure with a strong emphasis on clean code, performance, observability, monitoring, and security. This role also includes developing core Go/Java libraries, cross-cutting services like authentication and authorization, Kubernetes deployments, billing etc. You will collaborate closely with engineering teams, DevOps, architects, and product managers to ensure a scalable, stable, and high-performing system.
As a Senior Software Engineer you will...
Write clean, maintainable, and efficient code following best practices.
Design and develop robust backend services with scalability, performance, and security in mind.
Conduct high-quality code reviews and architecture discussions, ensuring best practices are followed.
Take full ownership of projects - from ideation and design to production deployment and maintenance.
Collaborate with cross-functional teams to define, design, and ship new features.
Stay current with industry trends, technologies, and best practices in software development and cybersecurity.
Be involved in multiple aspects of an ML platform - from data sources to inference pipelines.

We are looking for a Senior ML Engineer.
Responsibilities:
As a Senior Machine Learning engineer at Substrata, you will be working directly with our Head of R&D and will take a major role building our Pragmatic Intelligence Engine using and experimenting with S.O.T.A Deep Learning architectures, including: Multi-Layer Perceptron Neural Network, LSTM, mLSTM, CNN, RNN, VDCNN, etc.

We are looking for a Computational Linguist (NLU).
If youre the one youll be working on the most incredible sales-assistant in
the industry.

we are looking for an experienced DFT Engineer to join an exceptional team of DFT experts to develop the next generation DFT technologies.
As a DFT engineer at the networking group at our company, you will participate in definition and implementation of our DFT technologies in various projects. This position offers the opportunity to have real impact in a dynamic, technology-focused company impacting Switches, Nic and SoC product lines. We are working closely with a wide range of aspects - chip design, backend, verification and production testing. We are working on the most advanced technologies and sophisticated products, our DFT solutions are unique, innovative, and we are continuously improving and evolving the solutions to meet the challenging goals.
What you'll be doing:
In this position, you will be responsible for defining, coding and integrating sophisticated DFT components into various projects and using state-of-the-art technologies.
As a member of our DFT design team, you will participate in defining various DFT features and improvements, write micro-architecture documents, code design blocks, integrate them into various projects, bring your design to silicon tape-out and silicon testing and production.
Strong collaboration with architects, other design teams, verification, back-end and production testing to accomplish your tasks.

We are looking for a Experienced Backend Engineer.
At SubStrata were building a machine learning based software that helps sales and business-development professionals push the deal forward and convert more prospects into clients.
As a full-stack engineer, youll play a key role in our expanding core technology team.

Were looking for a talented R&D Director to lead the R&D department for Viber Business Messages and Bots. As a R&D Director youll lead teams building scalable, high‑impact features that enable businesses worldwide to connect with customers via Viber Business Messages API. Youll balance technical leadership, team growth, and strategic alignment with business and product goals to scale global product. This is a highly influential senior role that has a significant impact on the success and roadmap of the product and business.

The right person should have experience in leading, hiring and coaching high performance teams of mobile client development, backend, and QA engineers. You will be working closely with senior management, product management, business leads, and with our global teams (Tel-Aviv, Russia, UK and others). Ideal candidates will have experience from API or communications platform driven B2B or B2B2C company.

Responsibilities:
Manage and coach high-performing global teams of client, backend, web and QA engineers.
Experience building and leading platform engineering efforts in messaging, cloud services, or communications platforms.
Quickly deliver high quality, scalable, mobile application and backend infrastructure.
Measure, analyze, and improve existing software to enhance performance and functionality.
Exceptional verbal and written communication skills with the ability to convey complex concepts clearly and concisely.
Partner with leaders across the business to align R&D organizational goals with business goals.