Senior Product Security Architect jobs at Fireblocks in Israel, Tel Aviv-yafo

In the Security Engineering Unit at Fireblocks, you will be responsible for designing and implementing core components that are crucial to the security of the platform and clients.

What You'll Bring

• 5+ years of experience in Backend development, with a strong background in architecting and building complex & large web applications.
• Experience working wit NodeJS and Typescript.
• A deep understanding of the cybersecurity world (Attack & Defense) - big advantage
• Experience with blockchain or cryptography - big advantage

As part of your role, you will be developing new features for the Fireblocks Payments engine, working closely with our Product and Design teams.
You will work with a variety of web development technologies while utilizing continuous development and fully automated testing coverage.
As a senior developer you’ll be responsible for creating technical designs, mentoring and setting development standards for your team members.

What You'll Bring

• 5+ years of experience as a Backend Engineer .
• Experience in web development of large scale applications - mandatory.
• Experience working with NodeJS/Typescript - advantage.
• Frontend development orientation - advantage.
• Experience working in Agile, CI/CD environments.
• An excellent team player.

What You'll Do

• Build, lead and hire a team of Fullstack engineers from scratch.
• Create and launch advanced threat detection solutions to address non-human identity compromises, user attestation, and anomaly detection.
• Become a subject matter expert and collaborate closely with Product, Research, Design, and Data teams to deliver new products from concept to launch.
• Partner with strategic customers and the Fireblocks sales team to ensure the product meets real-world needs.

What You'll Bring

• 3+ years of experience as an R&D team lead at a cybersecurity company - must
• 4+ years of hands-on technical experience in software engineering, research, or cyber operations - must
• Proven experience in building teams and developing products from the ground up.
• Experience in Full-Stack development with Node.js, TypeScript and ReactJS building scalable applications in a cloud environment - highly preferred.
• Strong proficiency in designing and implementing backend services, RESTful APIs, and integrating cloud-native solutions
• Extensive background and experience in cybersecurity, with a strong focus on threat detection methodologies, tools, and techniques.

We are looking for a Solution Architect to join our Professional Services team. In this role, you will design, develop, and optimize integration solutions for enterprise clients leveraging the Fireblocks platform. This position involves hands-on engagement with some of the largest financial institutions and digital asset firms in the world. You will act as a technical advisor and implementation leader, translating complex business requirements into secure and scalable architecture.

Responsibilities

• Architect and implement secure, scalable solutions tailored to client use cases.
• Lead technical discovery sessions and provide best-practice guidance during integration planning.
• Deliver solution design workshops, technical documentation, and hands-on implementation support.
• Serve as a trusted advisor to clients, aligning technical strategy with business objectives.
• Collaborate with product and engineering teams to shape platform capabilities.
• Stay ahead of industry trends and emerging technologies in crypto, Web3, and blockchain.
• Ensure all solutions adhere to regulatory, security, and operational standards.

Requirements

• 5+ years of experience as a Solution Architect or in a similar technical client-facing role.
• Deep understanding of crypto and blockchain technologies, including Web3, DeFi, and smart contracts.
• Proven experience working with REST APIs (including OAS 3.0), webhooks, and websockets.
• Ability to write code and deliver efficient, scalable solutions under tight timelines.
• Experience with high-availability architecture and enterprise-scale deployments.
• Strong problem-solving, communication, and stakeholder management skills.
• Prior experience working with financial institutions, custodians, or digital asset service providers is preferred.

Why Join Us

• Work on the forefront of digital asset infrastructure and security innovation.
• Collaborate with premier financial institutions and cutting-edge crypto companies.
• Join a high-growth, high-impact team shaping the future of finance.
• Thrive in a fast-paced, collaborative environment where your contributions matter.

What You'll Do:

• Developing an intuitive, state of the art, user experiences for new customers
• Working closely with cross-functional teams to ensure the targeted availability, reliability, scalability, throughput and performance of our platform
• Advocating for, and enforcing standards and best practices
• Leading and educating through knowledge sharing via documentation, knowledge-base articles, blogs, forums and presentations

What You'll Bring:

• Bachelor's degree in Computer Science, Engineering, or a related field; Master's degree preferred
• 7+ years of experience working as a full-stack engineer
• Experience working on customer funnel flows
• Proficiency in NodeJS and Typescript, with a strong understanding of their respective ecosystems
• Experience designing, implementing, and maintaining scalable, low-latency and reliable platform components in production environment, while serving heavy-traffic requests
• Solid understanding of cloud computing platforms (e.g., AWS, Azure, GCP)
• Experience working with asynchronous flows to scale, broad experience with message brokers such as: AWS SQS, RabbitMQ, Kafka
• Experience with Redis
• Excellent communication and collaboration skills, with the ability to work effectively in a fast-paced, agile environment
• Experience with blockchain or cryptocurrency - Advantage

What You'll Do

• Lead the backend development of the new Fireblocks mobile application.
• Design, implement, and maintain high-performance microservices that support low-latency and high-throughput operations.
• Develop and optimize Fireblocks' 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 Fireblocks’ ongoing growth and scalability.

What You'll Bring

• At least 7 years of experience in backend development, with a focus on scalable infrastructure.
• Strong understanding of system design principles, distributed systems, and scalability.
• Proficiency in Node.js and TypeScript; experience with other backend languages is an advantage.
• Expertise in both relational and NoSQL databases, including schema design, query optimization, and troubleshooting.
• Proven track record of designing and deploying microservices-based architectures in production environments.
• Hands-on experience with cloud providers (AWS, GCP, Azure) and container orchestration tools (e.g., Kubernetes, Docker).
• Experience with monitoring and logging frameworks (e.g., Datadog, Prometheus, Grafana, ELK stack).
• Deep understanding of REST APIs and event-driven architectures.
• Exceptional problem-solving skills, with the ability to troubleshoot production issues effectively.
• Ability to juggle multiple priorities and excel in a fast-paced environment.

What You'll Do:

• Design and build data processing systems using Apache Spark for our "Pipeline as a Service" product.
• Create and maintain data lake architectures and NoSQL database solutions.
• Manage infrastructure as code using Terraform and AWS services (particularly EKS).
• Provide expert data infrastructure support to R&D teams.
• Ensure high performance, reliability, and scalability of big data systems.

What You'll Bring:

• 5+ years of experience as a Big Data Engineer.
• 2+ years hands-on experience with Java/Scala.
• 3+ years of experience with Apache Spark (development & optimization).
• Experience with both batch and streaming data processing paradigms.
• Deep knowledge of data architecture (data lakes, NoSQL, and relational databases).
• Expertise with AWS services and infrastructure.
• Experience with container orchestration in Kubernetes, specifically EKS.
• Proficiency with Infrastructure as Code, particularly Terraform.
• Strong problem-solving skills and ability to support technical teams.