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we are hiring a Senior Backend Engineer to join the Platform Team in Tel Aviv-Yafo, Israel.
The Platform Team is dedicated to developing mobile platform, delivering a reliable, fast, and secure experience for mobile users.
What You'll Do:
Lead the backend development of the new mobile application.
Design, implement, and maintain high-performance microservices that support low-latency and high-throughput operations.
Develop and optimize 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 ongoing growth and scalability.

As a backend developer , you will work with a team of highly curious and innovative professionals. You will be responsible for developing core services and APIs that handle high volumes of real-time traffic and meet strict SLA response times. Your role will involve complex data processing, aggregation, and research of big data.



While experience in ML/DS is not a requirement, familiarity with ML-based architectures, model deployment, or data-driven decision-making will be considered a strong advantage

Provide the direction of our data architecture. Determine the right tools for the right jobs. We collaborate on the requirements and then you call the shots on what gets built.
Manage end-to-end execution of high-performance, large-scale data-driven projects, including design, implementation, and ongoing maintenance.
Optimize and monitor the team-related cloud costs.
Design and construct monitoring tools to ensure the efficiency and reliability of data processes.
Implement CI/CD for Data Workflows

We are looking for a Senior Devops Engineer.
What You'll Do:
Support multi-region environments & provide support to worldwide-based teams.
Build and maintain tools for automation, deployment, monitoring, and operations.
Everything as a code approach: Run our infrastructure with Ansible, Terraform, and Kubernetes.
Solve diverse complex problems of high scale.
Work with other R&D teams on mutual projects.
Troubleshoot and resolve issues in our various environments.
Conduct periodic on-call duties and emergency response

We are looking for a Senior Fullstack Engineer, Platform.
As a Senior Full Stack Engineer on this team, youll work across the stack: designing robust backend services and building polished, data-driven UIs that help customers and internal stakeholders get value quickly.
What You'll Do:
Own end-to-end features across backend and frontend from technical design and implementation to deployment and monitoring.
Design, implement, and maintain scalable microservices and event-driven architecture.
Build modern, high-quality web frontend experiences that expose subscription and usage data to customers and internal teams in a clear, actionable way.
Collaborate with cross-functional teams (Product, Data, CS, other engineering teams) to design systems that support product-led growth and business goals.
Contribute to platform and architecture decisions, ensuring our systems are reliable, observable, and easy to evolve.
Simplify integrations, workflows, and the overall developer experience to significantly reduce the Mean Time to Value (MTTV) for both internal teams and customers.
Write clean, testable, and maintainable code, and perform thoughtful code reviews for peers.
Take ownership of production including monitoring, troubleshooting, and continuously improving performance, reliability, and cost.
Design and maintain asynchronous flows using queues as part of our event-driven architecture.

We are looking for a Tech Lead, Infra.
What You'll Do:
Creating and deploying core software infrastructure components at scale.
Maintaining and enhancing our internal 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.

We are looking for a talented DevOps Engineer to join our team, learn develop and grow with us. In this role you will work collaboratively with our RnD teams to empower the operations and infrastructure array, which is essential to support our ambitious goals.

Build and maintain a scalable cloud infrastructure in Production (Azure, GCP)
Troubleshoot and fix Production infrastructure/platform issues
Proactively and continuously improve Production stability and robustness to assure our infrastructure components are always up and available
Develop end to end projects in order to make our infrastructure better in large-scale including design, implementation, and ongoing maintenance.
Cost Optimization: Monitor and optimize cloud costs associated with data infrastructure and processes.

We are looking for a highly motivated Product Operations to join our Product team. In this role, you will drive Product & R&D operations within the Security & Trust unit, throughout the entire product lifecycle.
Your responsibilities will include ensuring seamless execution, working with and managing relations with cross-functional stakeholders, streamlining communications, implementing new and efficient processes, and overseeing impactful projects from initiation to completion.
What You'll Do:
Youll facilitate and oversee the units roadmap planning process, helping the teams to ensure alignment with company objectives.
Youll be proactive and collaborate with Product Managers, engineering, and cross-functional stakeholders, ensuring high-quality delivery and execution of key initiatives, new products, and features.
Youll oversee and manage quality assurance, cross-functional and internal dependencies, and risk management.
Youll help the teams to make data-driven decisions, track success metrics to ensure alignment with business goals and bring impactful results to Fireblocks.
Youll act as the central point of contact for all stakeholders, fostering alignment and transparency, and help to enable other teams to drive growth, expansion and adoption of new and existing products.
Youll analyze and optimize workflows, streamlining product and development processes to help Fireblocks scale efficiently while remaining agile and impact-focused.
Youll lead and facilitate high-impact, complex projects from start to completion, removing blockers and demonstrating a proactive problem-solving approach.

Required Backend Engineer - Devex
Job Description
As a Backend Engineer in the Production Development team, youll build internal products and backend platforms that power how we operate and evolve our production environment. Youll design systems that make managing production safe, transparent, and efficient, helping engineers deliver with confidence and speed.
In your day-to-day, you will:
Build scalable backend platforms that manage and validate production and infrastructure changes
Design systems for safe rollout, rollback, and recovery across large-scale environments
Develop systems that detect, mitigate, and remediate production incidents
Create tools that give engineers visibility and insight into production systems
Collaborate with DevOps, infrastructure, and SRE teams to improve how production changes are planned, deployed, and monitored
Example for one of our systems could be found here:
At our scale, every production change matters - and your work will directly influence how infrastructure is changed safely and efficiently.
*At our work model is hybrid with 4 days a week from our North Tel Aviv Campus and 1 day of remote work from home; please make sure this fits your preferences before moving forward.

Were looking for an experienced Full Stack Team Leader to lead a cross-functional R&D team of backend (Node.js), frontend (React), and automation engineers.
This is a key role in shaping high-scale, real-time platform and solving complex technical and business challenges.
What Youll Do:
Lead, mentor, and grow a talented engineering team (Node.js, React, Automation).
Be a technical authority - guide architecture and design, review code, and stay hands-on enough to mentor your team and set high engineering standards.
Drive a culture of ownership, innovation, and continuous improvement.
Partner closely with Product, Design, and other stakeholders across Israel, Ukraine, the UK, and the US.
Deliver scalable, high-quality solutions that push our platform to new levels of performance.

Required Senior Backend Developer - Platform Engineering (A+ Nile)
Job Description
As a Backend Engineer in the Nile group, youll build internal products and tools, used by thousands of our backend engineers. Our solutions and backend platforms, powers how we operate and evolve our production environment. Youll design and implement applicative infra tools that streamline the process of writing backend services, helping engineers deliver with confidence and speed.
In your day-to-day, you will:
Build scalable backend platforms that allow other backend engineers to easily create their backend services while focusing on their business logic
From idea to production, youll have full ownership; understand use cases and gather product requirements, design, code, alpha support, and ongoing maintenance
Collaborate closely with product managers and other backend engineers (our users) to bring ideas to life quickly and with quality. We focus on adoption and are committed to supporting our users
Improve our CDC (Change Data Capture) solutions, allowing for hundreds of our backend engineers to easily and rapidly migrate their data
Our work model is hybrid with 4 days a week from our North Tel Aviv Campus and 1 day of remote work from home; please make sure this fits your preferences before moving forward
Additional benefits and compensation information can be found on our Locations page.

Backend Engineer - Platform Engineering
Job Description
Play an active role in researching and developing our platform projects and agenda
Lead efforts to enhance the entire microservices development cycle by reducing the cognitive load for developers
Address developer pain points such as improving data access, optimizing event-driven workflows, and facilitating migrations
Help build the right abstractions around our services communication, data access layer, messaging, scheduling, and mass data migrations
Develop and grow as a developer by tackling diverse challenges and working on impactful projects.

Were looking for a Senior Backend Engineer to join our core R&D team in TLV - to help us scale, design new capabilities, and make a real impact on a high-performance, high-availability production environment.
Stuff youll be doing:
Own and evolve core backend services in a mission-critical, large-scale SaaS platform that powers global enterprise operations.
Develop the application backend, including SQL performance tuning, and working with cache and queues.
Write, optimize, and maintain production-grade code that supports millions of real-time transactions daily.
Design and lead robust testing strategies - ensuring our distributed architecture stays stable, scalable, and secure.
Explore and implement new technologies and patterns that push system performance and reliability to new levels.
Collaborate across functions with engineers, product managers, and data experts globally.
Our Stack - Node.js, RoR, ElasticSearch, Redis, RabbitMQ, Kafka, PostgreSQL, Kubernetes

We're seeking an outstanding and passionate Data Platform Engineer to join our growing R&D team.
You will work in an energetic startup environment following Agile concepts and methodologies. Joining the company at this unique and exciting stage in our growth journey creates an exceptional opportunity to take part in shaping data infrastructure at the forefront of Fintech and AI.
What you'll do:
Design, build, and maintain scalable data pipelines and ETL processes for our financial data platform.
Develop and optimize data infrastructure to support real-time analytics and reporting.
Implement data governance, security, and privacy controls to ensure data quality and compliance.
Create and maintain documentation for data platforms and processes
Collaborate with data scientists and analysts to deliver actionable insights to our customers
Troubleshoot and resolve data infrastructure issues efficiently
Monitor system performance and implement optimizations
Stay current with emerging technologies and implement innovative solutions

Were looking for a Senior Frontend Engineer to take full ownership of the user interface for our advanced graph visualization platform.

This product visualizes large-scale, dynamic networks that represent complex behavioral and analytical relationships within our systems helping teams intuitively explore, understand, and act on data.

Youll lead the evolution of the visualization layer: optimizing performance, improving interactivity, and exploring new rendering techniques to create seamless, high-impact visual experiences.



What Youll Do

Build

Design, develop, and maintain interactive graph visualizations capable of handling large-scale, complex data.
Implement high-performance rendering pipelines leveraging 2D, and GPU-based techniques.
Collaborate closely with backend and data teams to define efficient data formats and APIs for visualization.
Optimize

Continuously profile and tune rendering performance for smooth, real-time interaction.
Ensure scalability and responsiveness across devices and data sizes.
Apply robust architecture and clean design patterns for long-term maintainability.
Innovate

Research and evaluate new rendering approaches and visualization techniques for scalability and clarity.
Prototype next-generation visual experiences that make complex data understandable and actionable.
Shape the technical direction and standards for visualization development across the organization.