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As a Backend Engineer , you will take on exciting challenges, including researching new algorithms and probability models, developing systems from scratch, and working in a fast-paced real-time environment. You will also build services that leverage real-time buying data to dynamically optimize campaign configurations, ensuring we achieve the most effective outcomes for our clients.

Collaboration is key in this role. You will work closely with data science and product team, requiring both technical expertise and a deep understanding of the domain. In addition, you will integrate with 3rd-party platforms.
Responsibilities

Design, code, and manage large-scale, highly available, real-time (low latency) services using cutting-edge technologies (Python, Node.js, Redis, Docker, built on AWS infrastructure).
Work with stakeholders including the Executive, Product, Data, and Design teams to craft the most optimal solutions for our problems
Design and develop APIs or integrate with 3rd party APIs
Performing code reviews with other team members
Assist in-house teams and supply creative solutions for various problems
Understand and implement security and data protection needs

Were looking for a highly skilled and motivated Application Security Engineer to join our dynamic team. As an Application Security Engineer, you will be responsible for ensuring the secure and efficient operation of our software development and deployment processes. You will collaborate with cross-functional teams to integrate security practices into the development lifecycle and foster a culture of security awareness. The ideal candidate will have a strong software development background, SDLC security principles, and threat modeling for application-based features
What Youll Do:
CI/CD Security Hardening
Improve and secure our continuous integration and deployment pipelines through the selection, implementation, and tailoring of new tooling, as well as the maintenance and enhancement of our current stack.
Security Tooling Management
Operate, fine-tune, and customize tools like Snyk, Apiiro, and other AppSec platforms to reduce false positives and enhance threat detection.
Policy Definition
Collaborate with cross-functional teams to develop practical, enforceable CI/CD security policies.
Security Orchestration & Automation
Build and maintain automated playbooks and workflows using orchestration platforms like Torq to support incident response and alert management.

Were looking for a highly skilled and motivated DevSecOps Engineer to join our dynamic team. As a DevSecOps Engineer, you will be responsible for ensuring the secure and efficient operation of our software development and deployment processes. You will collaborate with cross-functional teams to integrate security practices into the development lifecycle and foster a culture of security awareness.
The ideal candidate will have a strong software development background, SDLC security principles, and threat modeling for application-based features.
What You'll Do:
Design, develop, and implement secure software development and deployment pipelines, incorporating security best practices, automation, and continuous integration/continuous deployment (CI/CD) methodologies.
Collaborate with development, operations, and security teams to identify and prioritize security vulnerabilities/issues and requirements and integrate security controls into the development lifecycle.
Perform vulnerability assessments and security code reviews to identify and address security vulnerabilities and risks.
Implement and manage security tools and technologies such as SCA, SAST, IaC Security, etc.
Develop and enforce security policies, standards, and guidelines to ensure compliance with regulatory requirements and industry best practices.
Stay updated with the latest security trends, vulnerabilities, and threat intelligence to proactively identify emerging risks and recommend security enhancements.
Collaborate with cross-functional teams to conduct security awareness training and promote a culture of security within the organization.
Evaluate blockchain protocol repositories for in-depth security and resiliency analysis reporting.
Use market data analysis to identify risk vectors for various crypto assets.
Understand complex protocol governance structures to prepare concise reporting for executive consumption and decision-making.
Analyze crypto asset data across various sectors to provide recommendations for the organization based on variable risk tolerances and use cases.
Take part in various tasks related to custody operations.

We are looking for a Senior DevRel Engineer.
What Youll Do:
Own our developer-facing content end to end. From roadmap to release. Manage documentation, tutorials, and sample code as living, version-controlled products: prioritize their backlog, ship high-quality updates, and track impact with the same KPIs we apply to production features. Author clear guides and runnable examples while partnering closely with our technical writing team to ensure every page is accurate, consistent, and user-centric.
Build and maintain fully runnable demo apps. Ship reference projects in Node.js, Python, Go, or Java (complete with IaC, automated tests, and CI/CD) so customers can clone, deploy, and learn by doing.
Be the voice of our developer customers. Run customer interviews, shadow integrations, and mine support tickets to uncover real-world pain pointsthen translate those insights into sharper docs, richer tutorials, and higher-impact sample code that erase friction.
Design friction-free onboarding. Craft step-by-step guides that take developers from API key issued to their first signed transaction in minutes, complete with copy-pastable snippets, and screenshots.
Publish deep-dive concept content. Demystify policies, EVM vs. UTXO models, Solana flows, security best practices, and more. Youll turn complex ideas into digestible articles that shorten the learning curve.
Create content for developer workshops & events. Develop slide decks, hands-on labs, and live-coding assets for webinars, hackathons, and conference sessions, partnering with DevRel to deliver memorable, high-value experiences.
Seed and grow the developer community. Launch and moderate Discord/Stack Overflow channels, run live-coding office hours, showcase community projects, and turn satisfied users into peer-to-peer advocates.
Instrument, measure, iterate. Wire up analytics to track engagement, search success, and GitHub stars, using data to drive continuous improvement and prove ROI.

We are looking for a Backend Engineer.
Responsibilities:
Testing and Debugging: write unit tests, perform integration testing, and debug code
Data structures
Develop and implement robust APIs
Leveraging industry best practices and standards, while ensuring flexibility, extensibility, and maintainability
Implement data persistence solutions using both SQL and NoSQL databases,data modeling
Cloud-based infrastructures.

We are looking for a FED Infrastructure Team Lead.
As the FED Infrastructure Team Lead, you'll lead a full-stack infrastructure team to build high-scale, high-impact internal platforms and tools for hundreds of frontend developers .
You'll be responsible for shaping a strong team culture, driving technical excellence, and ensuring impactful delivery. In your day-to-day, you will:
Lead a team developing high-scale internal platforms and tools for frontend developers .
Support and mentor team members, providing feedback and growth opportunities .
Own the full product lifecycle, from ideation to rollout and continuous iteration
Collaborate cross-functionally with product managers and engineering stakeholders .
Recruit, onboard, and integrate new team members to shape a collaborative team model .
Drive a culture of ownership, experimentation, and fast, high-quality delivery.

We are seeking a highly skilled HO Software Architect to own regulatory compliance aspects within our software development lifecycle, along with the detection, evaluation, and management of open-source initiatives across the organization. This role sits within the CTO office and reports directly to the Director of Architecture.
What am I going to do?:
Regulatory Compliance Technical supervision:
* Work closely with development and product teams to ensure software development processes and execution meet regulatory standards.
* Participate in Design Review and Product Review processes to validate adherence to compliance and regulatory policies.
* Proactively identify compliance risks and recommend solutions in software and product landscape.
* Perform architecture and code review to validate adherence to compliance policies.
* Own and oversee technical compliance with key regulatory frameworks including GDPR, SOC2, and privacy/user safety regulations.
* Facilitate audits and assessments by providing detailed documentation and evidence.
* Build up Open Source program from ground up including defining and owning the process, identifying opportunities, and managing execution. Technical Leadership:
* Serve as a hands-on technical expert, reviewing, validating, and participating in code contribution across multiple projects.
* Provide mentorship to developers and promote best practices around regulatory compliance and open source utilization.
* Engage with cross-functional teams to advocate and implement secure and compliant technical architectures.
Equal opportunities:
we prioritize diversity. We celebrate difference and embed it into every aspect of our workplace and product, as well as our community. proud and committed to providing equal opportunity employment to all individuals regardless of race, color, religion, sex, sexual orientation, citizenship, national origin, disability, Veteran status, or any other characteristic protected by law. In addition, will provide accommodation to individuals with disabilities or a special need.

We are looking for a Security Production Engineer.
As a Security Infra Engineer, youll design, build, and manage security aspects of our cloud-based and physical environments to ensure compliance and integrity.
In your day-to-day, you will:
Design, implement, and maintain platforms for investigating and analyzing security incidents, performing root cause analysis, and coordinating remediation efforts.
Design, implement, and maintain security tools and controls for cloud-based infrastructure, Kubernetes clusters, and services, ensuring compliance with industry standards.
Build tools and scripts using Golang, Python, or Node.js.
Collaborate with all infrastructure groups (cloud, networking, DB, DevEx, etc.) and the Chief Information Security Officer group (for example, for incident response).
Align with other infrastructure standards, including efficiency, reliability, and cost.
Work closely with cross-functional teams to design, implement, maintain, and manage security solutions that ensure the integrity and confidentiality of our systems.

We are looking for a Senior Backend Architect.
Description:
Serve as the technical focal point for the development efforts of an agile team, including hands-on development (when applicable) and system design of one or more sub-systems.
Collaborate with the group manager and team members to ensure timely and high-quality task deliveries and solutions for business needs.
Be part of the architecture team responsible for the overall design and quality of JiBes platform, reporting directly to the VP of R&D.
Uphold and enforce high development and delivery standards in alignment with organizational policies.

We are looking for a hands-on Team Lead to drive both the technical direction and execution for our Data Infrastructure team. Youll be responsible for designing and implementing robust backend systems that integrate with multiple clinical data sources.

As a Team Lead, you will spend a significant portion of your time coding and architecting solutions, while also guiding the team and ensuring technical excellence. This is an opportunity to shape the future of our data platform while remaining deeply involved in hands-on development.

What will you do:

Build a next-generation data platform using cutting-edge AI technology.
Be part of a strategic, high-priority team driving a key company initiative.
Integrate with diverse external clinical data sources, ensuring seamless data flow.
Maintain high reliability, scalability, and data integrity across the platform.
Uphold strong engineering standards to ensure a robust and future-proof system.

we are seeking a Senior Full Stack Developer to join our team in Tel Aviv. As a Senior Full Stack Developer you will take ownership of developing and maintaining our software applications while ensuring they are scalable, secure, and high-performing in order to help mayors and city leaders understand their citizens and their city data in more effective ways, improving the lives of millions of citizens around the world.
Responsibilities:
Design and develop software applications using modern front-end and back-end technologies.
Collaborate with designers, product managers, and other developers to define technical requirements and ensure alignment with business objectives.
Participate in code reviews, ensuring code quality and adherence to coding standards.
Develop and maintain technical standards, including coding standards, code reviews, and continuous integration and deployment.
Mentor and train junior developers, providing guidance and support to help them grow in their careers.
Continuously evaluate and improve software development processes, tools, and methodologies.
Contribute to the technical architecture and design of software solutions, ensuring scalability, reliability, and performance.
Troubleshoot and debug software applications, identifying and resolving technical issues.

We are seeking a highly skilled HO Software Architect to own regulatory compliance aspects within our software development lifecycle, along with the detection, evaluation, and management of open-source initiatives across the organization. This role sits within the CTO office and reports directly to the Director of Architecture.

What am I going to do?
Regulatory Compliance Technical supervision:

Work closely with development and product teams to ensure software development processes and execution meet regulatory standards.
Participate in Design Review and Product Review processes to validate adherence to compliance and regulatory policies.
Proactively identify compliance risks and recommend solutions in Fiverrs software and product landscape.
Perform architecture and code review to validate adherence to compliance policies.
Own and oversee technical compliance with key regulatory frameworks including GDPR, SOC2, and privacy/user safety regulations.
Facilitate audits and assessments by providing detailed documentation and evidence.
Build up Fiverrs Open Source program from ground up including defining and owning the process, identifying opportunities, and managing execution.
Technical Leadership:

Serve as a hands-on technical expert, reviewing, validating, and participating in code contribution across multiple projects.
Provide mentorship to developers and promote best practices around regulatory compliance and open source utilization.
Engage with cross-functional teams to advocate and implement secure and compliant technical architectures.

JR304076
In this role, you will have a crucial role in designing and implementing cloud-based infrastructure and platform tools for Salesforce Agentforce. This role requires high technical skills along with a strong affinity for architecture, Infra scaling, performance, and Infrastructure development to improve the performance and scalability of systems. You will be leading the R&D teams development methodology, tools, and frameworks and make a significant impact on the go-to-production process for an auto-scaled cloud system.

Who Youll Work With:

You will be a part of the Salesforce AI Platform, an AI technology that makes all Salesforce products smarter and powers Agentforce. In AI Platform, we develop AI solutions for all Salesforce clouds. We automate data entry and predictive analysis so our customers can make every selling moment count. Our AI solution prioritizes the best next steps, helps to win more opportunities, makes better decisions, increases forecast accuracy, and more.

Salesforce AI Platform group comprises data scientists, engineers, and growth analysts dedicated to driving product strategy with data-driven insights.

Responsibilities:

Key role in designing and implementing cloud-based AI and Generative AI Infrastructure and services as part of the Salesforce AI Platform. Build a large-scale infrastructure to support the AI Platform for Salesforce Engineers and Data Scientists. Utilize best architecture/capabilities across different underlying platforms while avoiding duplication of functionality (i.e., one implementation of each significant component) and building shared services across multiple applications.

Develop software solutions by studying information needs, and systems flow, data usage, and work processes, investigating problem areas, following the software development lifecycle.

Support software engineers by providing advice, coaching, and educational opportunities.

JR295379
As a Backend Software Engineering, your job responsibilities will include:

Build new and exciting components in an ever-growing and evolving market technology to provide scale and efficiency.

Develop high-quality, production-ready code that can be used by millions of users of our cloud platform.

Make design decisions on the basis of performance, scalability, and future expansion.

Work in a Hybrid Engineering model and contribute to all phases of SDLC including design, implementation, code reviews, automation, and testing of the features.

Build efficient components/algorithms on a microservice multi-tenant SaaS cloud environment

Code review, mentoring junior engineers, and providing technical guidance to the team (depending on the seniority level)

JR295989
As a Backend Software Engineering, your job responsibilities will include:

Build new and exciting components in an ever-growing and evolving market technology to provide scale and efficiency.

Develop high-quality, production-ready code that can be used by millions of users of our cloud platform.

Make design decisions on the basis of performance, scalability, and future expansion.

Work in a Hybrid Engineering model and contribute to all phases of SDLC including design, implementation, code reviews, automation, and testing of the features.

Build efficient components/algorithms on a microservice multi-tenant SaaS cloud environment

Code review, mentoring junior engineers, and providing technical guidance to the team (depending on the seniority level)