דרושים Senior C Engineer Wallet ב-Fireblocks ב-Israel, Tel Aviv District, 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:

• 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.

What You'll Do:

• Creating and deploying core software infrastructure components at scale.
• Maintaining and enhancing our internal Python and Typescript frameworks, tools, and platforms essential for product engineering teams throughout the software development lifecycle.
• Introducing self-service deployment capabilities to empower R&D teams.
• Advocating for and enforcing standards and best practices.
• Leading and educating through knowledge sharing via documentation, knowledge-base articles, blogs, forums and presentations.
• Addressing complex production issues and developing long-term solutions.
• Contributing to the engineering and standardization of our CI/CD infrastructure.
• Working closely with cross-functional teams to ensure the targeted availability, reliability, scalability, throughput and performance of our infrastructure while adhering to industry best practices and standards.

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 backend engineer with a focus on infrastructure development.
• Proficiency in NodeJS/Python, with a strong understanding of their respective ecosystems and best practices.
• Experience designing, implementing, and maintaining scalable and reliable infrastructure components in a production environment.
• Solid understanding of cloud computing platforms (e.g., AWS, Azure, GCP) and containerization technologies (e.g., Docker, Kubernetes).
• Strong knowledge of CI/CD concepts and tools (e.g., Jenkins, GitLab CI/CD) and experience with infrastructure as code (IaC) tools such as Terraform or CloudFormation.
• Excellent communication and collaboration skills, with the ability to work effectively in a fast-paced, agile environment.
• Experience with blockchain or cryptocurrency - Advantage.
• Experience with NestJS - Advantage.

Step into a role where no two days are the same. You’ll design
scalable architectures, explore the cutting edge of blockchain technologies, and transform complexity into simplicity for our customers. This position will challenge you to:

• Research and integrate emerging blockchain protocols and DeFi innovations.
• Collaborate closely with stakeholders to create seamless experiences that bridge the gap between complexity and usability.
• Be part of a team that turns intricate systems into intuitive solutions for users worldwide.

• 7+ years of experience as a Backend Engineer .
• A proven track record of researching and integrating new technologies.
• Expertise in writing code within Agile environments, leveraging CI/CD pipelines and Kubernetes.
• A security-first mindset , always prioritizing robustness and reliability.
• Hands-on experience with Node.js - advantage.
• Experience with C++ is a plus.
• Familiarity with blockchain or cryptocurrency technology is a major advantage .

At Fireblocks, you’ll be part of a team that’s pushing the boundaries of what’s possible in Web3. The challenges you’ll tackle are hard but rewarding — and every solution you deliver will help empower people and organizations to participate in the decentralized future.