Senior backend Developer

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Senior backend Developer

ריקרוטיקס בע"מ

Location: More than one

Job Type: Full Time and Part Time

We are a fast-growing mobile gaming company that provides entertainment to millions of users around the world.
With a team of talented and passionate developers, designers, industry experts and gamers, our company is at the forefront of creating immersive gaming experiences that engage players on a whole new level.

Responsibilities:
Your job will include a combination of classic backend and algorithm development.
Developing and maintaining server apis and performance.
Encounter challenging mathematical / statistical problems as well as concurrency performance issues that arise from implementing complex systems.
Handle Database and query optimization on a large amount of data.

Requirements:
Science degree from a well known university - a must.
Experience with C # backend development - a must.
Expertise in algorithm design, concurrency, parallel processing, and solving complex computational problems.
Solid understanding of databases such as MongoDB/Redis, and experience with database optimization.
Strong mathematical and statistical problem-solving abilities.
Excellent communication and teamwork skills.

This position is open to all candidates.

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02/09/2025

Senior Backend Engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

we are revolutionizing the way businesses interact with the digital world by revealing to them everything that happens online.
Our unique data and solutions empower over 4,300 customers globally, including industry giants like Google, eBay, and Adidas, to make game-changing decisions that drive their digital strategies.
In 2021, we went public on the New York Stock Exchange, and we continue to reach new heights! Come work alongside across the globe who are bright, curious, practical and good people.
Were looking for an Experienced Backend/Data Engineer to take an important part in data extraction team and play a key role in our growing data acquisition operation.
This role will report to Team manager- R&D.
Why is this role so important ?
a data-focused company, and data is the heart of our business. As a data server engineer, you will work in one of the companys core teams and design and implement complex, high-scale systems that retrieve and analyze data from around the internet.
Backend engineers on Data-Extraction are responsible for
Scraping - Building and maintaining high scale web-scraping operations.
Processing - Creating complex data pipelines that process and enrich our raw data and serve it to different consumers through various databases and data-lakes.
Engineering - Designing and building large scale, high quality systems to support our data infrastructure and production systems
As a Data-Server Engineer in Data Extraction you will:
Write complex PySpark applications that process, manipulate and validate large datasets, in high quality and under strict SLA.
Develop dockerized high performance microservices.
Take a major part in designing and implementing complex high scale systems using a large variety of technologies.
Work in a team with talented and independent engineers with whom youll be able to share knowledge and expertise.
learn new technologies, handle a multitude of systems.
Implement solutions in AWS cloud environment.
Take part in monitoring and debugging data pipelines and high scale services in order to identify and fix bottlenecks and failures.

Requirements:
Has at least 5 years of server-side software development experience in one or more general purpose programming languages (C#, Java, Python etc.)
Holds a BSc degree in Computer Science or equivalent practical experience.
Has Experience with Big Data technologies such as Hadoop, Spark, Databricks and Airflow.
Worked in a cloud environment such as AWS or GCP, and is familiar with its different services, as well as docker and Kubernetes
Has experiences with web scraping technologies or familiar with web technologies and the internets internals - a big advantage.
Is comfortable taking on challenges and learning new technologies, including new coding languages.
Is a team player and likes giving and receiving constructive feedback
Can effectively prioritize tasks, multitask and work independently
Has good communication skills and enjoys helping and supporting team members as well as people from other groups

This position is open to all candidates.

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2 ימים

Backend Developer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Backend Developer
Job Description:
Dynamic Yield is seeking a Backend Developer with a deep understanding of web application architecture, server-side programming, and a passion for optimizing backend systems. The ideal candidate will thrive in a collaborative environment and bring a wealth of experience to help maintain and improve the performance of our backend systems, ensuring high availability, scalability, and reliability.
As a Backend Developer, you will play a key role in developing and maintaining robust, efficient, and scalable Python-based backend systems. This includes building and optimizing data storage solutions, implementing APIs, and managing databases using clean and maintainable code. Youll be part of a dynamic team dedicated to solving complex technical challenges and delivering solutions that meet client and team requirements.

Role:
Build and optimize Python-based backend services and APIs to deliver real-time content recommendations with low latency across multiple data centers.
Handle large-scale data processing and ensure the performance and scalability of backend systems.
Design and implement efficient data storage and retrieval mechanisms using databases like PostgreSQL, MySQL, and NoSQL systems (Redis, Elasticsearch).
Integrate with cloud platforms (AWS, GCP, or similar) to deploy and manage backend services, ensuring high availability and fault tolerance.
Collaborate with cross-functional teams to understand business requirements and translate them into effective backend solutions.
Write clean, maintainable, and well-documented Python code that adheres to industry best practices.
Stay up-to-date with emerging technologies and trends in backend development, and continuously improve the backend stack.

Requirements:
Strong proficiency in Python and a deep understanding of Python web frameworks (e.g., Flask, FastAPI, Tornado).
Experience working with NoSQL technologies (e.g., Redis, Elasticsearch) for high-performance data storage and retrieval.
Experience with cloud services (AWS, GCP, Azure) and cloud-native architectures.
Familiarity with containerization and orchestration tools like Docker and Kubernetes.
In-depth experience with backend APIs and microservices architectures.
Ability to optimize and troubleshoot complex systems for performance and efficiency.
Strong knowledge of data structures, algorithms, and distributed systems.
Excellent communication skills and a collaborative mindset.

Desired Skills:
At least 3 years of solid experience in Backend Engineering
At least 3 years of experience with cloud platforms like AWS, GCP, or Azure.
At least 2 years of solid experience with containerization and orchestration tools like Docker and Kubernetes.
A degree in Computer Science, Data Science, or a related discipline, or relevant industry experience.
Good vibe and strong communication skills
What Were Looking For:

A team-oriented developer who excels in a collaborative, high-impact environment.
A problem solver with a strong passion for backend development and delivering high-performance systems.
A proactive individual eager to stay on top of the latest technologies and contribute to the teams success.
A commitment to high-quality, well-tested, and maintainable code.

This position is open to all candidates.

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01/09/2025

Senior Full Stack Engineer (Backend-Oriented)

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

We are looking for a Senior Full Stack Engineer with a strong backend orientation and deep Python experience who excels at solving complex challenges and is passionate about building robust, scalable, and data-driven systems. In this role, you will work closely with a talented team of engineers, Product, Design, and Data Science to deliver innovative solutions that have a meaningful impact on users' lives.

As a senior engineer, you will take ownership of projects from concept to deployment in a fast-paced, highly collaborative environment. Youll focus primarily on backend development, with the ability to contribute to frontend work as needed. Youll also mentor team members and help drive technical excellence.

Responsibilities:
Backend Development: Design, implement, and maintain scalable, efficient, and secure backend services, with a focus on Python and Node.js.
Data Infrastructure: Work with real-time data systems, including Elasticsearch, Vector Databases, and other high-performance storage and retrieval tools.
End-to-End Feature Development: Deliver features across the stack, integrating frontend and backend components.
Collaborate with Data Science to integrate advanced algorithms and ML models into production systems.
Partner with Product Managers and Designers to brainstorm and execute impactful product features.
Ensure system architecture is reliable, maintainable, and built for scale.
Lead by example: contribute to code reviews, mentor peers, and foster engineering best practices.
Stay up to date with emerging technologies and suggest ways to apply them for performance and scalability improvements.

Requirements:
5+ years of professional experience as a Full Stack or Backend Engineer.
Strong hands-on experience with Pythona must.
Proven experience designing and maintaining complex, scalable systems in productionmust.
Experience working with real-time data pipelines, Elasticsearch, and Vector DBsa strong advantage.
Experience with Node.jsan advantage.
Frontend experience with ReactJS or React Nativenice to have.
Deep understanding of algorithms, data structures, and system optimization.
Strong experience with both relational and non-relational databases (e.g., PostgreSQL, MongoDB).
Familiarity with AWS, Docker, Kubernetesan advantage.
Excellent collaboration and communication skills, with a proactive and impact-driven mindset.
BSc in Computer Science or a related fieldor equivalent hands-on experience.

This position is open to all candidates.

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02/09/2025

Senior Backend Engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

We are looking for a Senior Backend Engineer.
As a Backend Developer, youll be building powerful features that push the boundaries of what technology can do in global trade. You'll work alongside a talented and diverse team of engineers, product minds, QA specialists, and domain expertseach bringing deep knowledge and fresh perspectives. In this role, youll take full ownership of complex backend systems, designing and developing robust server-side architecture from start to finish. We value independence, accountability, and the drive to turn ambitious ideas into production-ready reality.
Roles & Responsibilities:
Write scalable server-side code using Python.
Work in AWS cloud environment
Implement and maintain RESTful APIs for seamless communication between FE and BE.
Work with rational/nosql/objectstores such as MongoDB, PostgreSQL, Neptune, s3 to store and retrieve data
Write clean, readable, quality and testable code writing.
Test and debug applications to ensure high quality and performance.
Review pull requests to ensure high quality and maintainable solutions.
Seeing through a project from conception to delivery.
Follow-up on new evolutions of technology and take initiative to understand how the development will look tomorrow and help us get there.

Requirements:
5+ years of server side development experience
3+ years of Python development experience
Good understanding of database concepts and structure
Strong communicator - being able to simplify complex ideas to stakeholders.
Startup mindset - Taking ownership, responsibility and initiative, customer first mentality, striving to have a wide product understanding, detail orientation, critical thinking, reasoning tradeoffs of different solutions (good vs. great vs. perfect), not afraid to get your hands dirty - do what needs to be done.
Good understanding of software development methodologies, such as Agile and Scrum
Strong Problem-solving skills.
Familiarity with micro-services architectures, and ideally have seen them in operation at a global scale.
Advantages:
A passion for utilizing AI to increase development efficiency dramatically.
Startup experience
Strong analytical background - In academic studies (s.a - CS, mathematics, physics, EE) or previous work experience where you have tackled challenging problems.

This position is open to all candidates.

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11/08/2025

Backend Engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

An innovative network security solutions provider, is at an exciting time in its history and is growing fast! We are looking for a highly skilled and versatile Backend Engineer to join our development team. As a Backend Engineer, you will be responsible for designing, developing, and maintaining the backend infrastructure and components of our platform. As part of your role, you will also work on the frontend aspects of our platform and collaborate with stakeholders and cross-functional teams to optimize full-cycle system performance
Responsibilities:
Design, develop, and maintain backend systems and APIs to support our web applications
Implement and optimize data storage solutions, including databases, to ensure efficient and reliable data management
work closely with front-end developers to integrate backend functionalities and ensure a seamless user experience
Collaborate with product managers, stakeholders, and cross-functional teams to gather requirements, translate them into technical specifications, troubleshoot and resolve backend-related issues, and optimize system performance.

Requirements:
Bachelor's degree in computer science, Software Engineering (or equivalent work experience) - must
4 + years of experience as a software engineer with hands-on production experience working in the backend side of complex systems
Experience with cloud services (GCP/AWS/Azure)- must
Strong proficiency in at least one backend programming language (e.g., Go, JAVA or C#) and associated frameworks
Hands-on experience in the following technology stack: Kubernetes & Helm, Elasticsearch
Experience with relational databases (PostgreSQL- advantage), and ability to design efficient schemas and write optimized queries
Strong problem-solving skills and ability to work both independently and as part of a team
Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams
Low-level understanding of network protocols and Windows internals- advantage.

This position is open to all candidates.

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02/09/2025

Sr. Backend Engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

We are looking for a Sr. Backend Engineer.
Responsibilities:
Join a team of highly motivated developers to work together to fill growing software and scaling needs
Work on our cutting-edge Security SaaS product that redefines risk management and helps SMBs stay protected.
Directly work on matters that are critical to the company, building security product that is actively used by 10,000+ users, while tackling complex and challenging engineering problems
Writing well-tested, organized and robust code to support a rapidly growing organisation
Work in a modern software environment with continuously deployed and integrated code in our cloud-based infrastructure
Taking responsibility of your code, quickly responding to bugs and making sure new and existing software runs smoothly
Youll work closely with product managers, designers, QA experts, architects, and experienced developers to build cutting-edge solutions.

Requirements:
7+ years of hands-on experience as a backend engineer in Python (preferred) , Java or Go
Strong desire to bring products to life, supporting a demanding user base, constantly introducing innovative features whilst keeping things stable
Experience with RESTful API development
Experience with microservices architecture
Experience in coding to cloud production environments such as AWS
Experience with relational databases such as MySQL, Postgresql
Experience with Event based architecture and infrastructures such as: Kafka, Dapr, SNS/SQS
Experience with Docker & Kubernetes
Excellent communication skills in Hebrew and English
Workflow development (Orkes, Temporal..) - Advantage
Knowledge in Cyber Security/ Networking- Advantage

This position is open to all candidates.

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12/08/2025

Staff Backend Software Engineer (ISPM)

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

The Worlds Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of business security and growth.

we celebrate a variety of perspectives and experiences. We are not looking for someone who checks every single box - were looking for lifelong learners and people who can make us better with their unique experiences.

Join our team! Were building a world where Identity belongs to you.
The Worlds Identity Company. We free everyone to safely use any technologyanywhere, on any device or app. Our Workforce and Customer Identity Clouds enable secure yet flexible access, authentication, and automation that transforms how people move through the digital world, putting Identity at the heart of business security and growth.
we celebrate a variety of perspectives and experiences. We are not looking for someone who checks every single box - were looking for lifelong learners and people who can make us better with their unique experiences.
Join our team! Were building a world where Identity belongs to you.

The ISPM Team
We are revolutionizing the field of identity security, providing comprehensive solutions to address the challenges faced by modern organizations. Our platform offers security leaders end-to-end contextual visibility of their identity landscape, reducing risks, improving operational efficiency, and ensuring compliance.

With an exceptional team dedicated to pushing boundaries and achieving remarkable results, we are seeking a talented engineer to join us in shaping the future of identity security.

What youll be doing
As a Staff Software Engineer at the ISPM team, you will play a critical role in building our platform. Your expertise and contributions will directly impact the success and effectiveness of our product. Specifically, your responsibilities
will include:
Developing and maintaining a robust and scalable platform while solving complex customer problems.
Collaborating with product and R&D engineers to translate product requirements into technical solutions.
Ensuring high code quality through testing, code reviews, and documentation.
Identifying and resolving technical issues and performance bottlenecks.
Staying up to date with the latest industry trends and technologies to continuously improve our products.
Office presence 4 times per week in Tel Aviv

Requirements:
8+ years of experience as a software engineer, preferably in a fast-paced environment.
5+ years of programming experience with Python and its related frameworks.
A proven track record of successfully building and delivering high-scale systems.
Solid understanding of software engineering principles, design patterns, and best practices.
Excellent problem-solving skills and a detail-oriented mindset.
Strong communication and collaboration abilities to work effectively within a team.
Extra credit if you have experience in any of the following
Experience with Snowflake or other data warehousing platforms.
Experience with Airflow or similar pipeline orchestration frameworks.

This position is open to all candidates.

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7 ימים

Lead Backend Software Engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isnt a buzzword its a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all.

Ready to level-up your career at the company leading workforce transformation in the agentic era? Youre in the right place! Agentforce is the future of AI, and you are the future of Salesforce.

Note: By applying to the Software Backend Development posting, recruiters and hiring managers across the organization hiring Software Engineers will review your resume. Our goal is for you to apply once and have your resume reviewed by multiple hiring teams.

Salesforce has immediate opportunities for software developers who want their lines of code to have significant and measurable positive impact for users, the company's bottom line, and the industry. You will be working with a group of world-class engineers to build the breakthrough features our customers will love, adopt, and use while keeping our trusted CRM platform stable and scalable. The software engineer role at Salesforce encompasses architecture, design, implementation, and testing to ensure we build products right and release them with high quality.

We pride ourselves on writing high-quality, maintainable code that strengthens the stability of the product and makes our lives easier. We embrace the hybrid model and celebrate the individual strengths of each team member while encouraging everyone on the team to grow into the best version of themselves. We believe that autonomous teams with the freedom to make decisions will empower the individuals, the product, the company, and the customers they serve to thrive.

Your Impact:
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)

דרישות:
6+ years of development experience as a software engineer.
Deep knowledge of object-oriented programming and other scripting languages: Java, Python, Scala C#, Go, Node.JS and C++.
Strong SQL skills and experience with relational and non-relational databases e.g. (Postgress/Trino/redshift/Mongo).
Experience with developing SAAS products over public cloud infrastructure - AWS/Azure/GCP.
Proven experience designing and developing distributed systems at scale.
Proficiency in queues, locks, scheduling, event-driven architecture, and workload distribution, along with a deep understanding of relational database and non-relational databases.
A deeper understanding of software development best practices and demonstrate leadership skills.

Degree or equivalent relevant experience required. Experience will be evaluated based on the core competencies for the role (e.g. extracurricular leadership roles, military experience, volunteer roles, work experience, etc.)
Desired Skills:
Technical expertise in Generative AI, particularly with RAG systems and Agentic workflows that use large language models.
Experience with Big-Data/ML and S3
Hands-on experience with Streaming technologies like Kafka
Experience with Elastic Search
Experience with Terraform, Kubernetes, Docker
Experience working in a high-pa המשרה מיועדת לנשים ולגברים כאחד.

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1 ימים

Senior backend Engineer (5819)

חברה חסויה

Location: Herzliya

Job Type: Full Time

We are looking for a strong backend engineer who enjoys exploring new areas and solving complex system -level challenges. This role is ideal for someone curious, independent, and excited to work with a wide range of technologies. If you enjoy building reliable systems, care about performance and scalability, and have a constant desire to learnwe want to meet you. Our mission is to build robust, scalable, and efficient infrastructure to deliver our product faster, safer, and smarter.

Requirements:
We are looking for a strong backend engineer who enjoys exploring new areas and solving complex system -level challenges. This role is ideal for someone curious, independent, and excited to work with a wide range of technologies. If you enjoy building reliable systems, care about performance and scalability, and have a constant desire to learnwe want to meet you. Our mission is to build robust, scalable, and efficient infrastructure to deliver our product faster, safer, and smarter. Responsibilities:
Lead the design and development of scalable, high-performance backend systems critical to the core product
Take full ownership of complex infrastructure components from concept to production, ensuring reliability, observability, and maintainability
Dive deep into new technologies and system areas, evaluate and integrate them to solve infrastructure and product challenges
Promote engineering excellence by setting high standards for code quality, testing, documentation, and design reviews
Act as a senior Developer within the team: mentoring others, contributing to architecture discussions, and supporting the technical growth of the team
Collaborate cross-functionally with Product, DevOps, Security, and QA to align backend work with business needs
Investigate and resolve production issues, customer escalations, and performance bottlenecks proactively
Help shape the teams technical roadmap and long-term strategy through strategic input and hands-on contribution Requirements:
7+ years of hands-on experience in backend software development
Solid understanding of backend architecture and scalable service design
Proficiency in at least one of the following: Go,.NET or Python
Experience designing and building cloud-native applications
Familiarity with containerized environments (Docker, Kubernetes) and CI/CD pipelines
Strong sense of ownership with ability to lead features end-to-end
Excellent communication and collaboration skills, especially cross-functionally
Experience mentoring or supporting developers is a plus

This position is open to all candidates.

עדכון קורות החיים לפני שליחה

8346746

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אירעה שגיאה בשליחת פרטיך למשרה

07/09/2025

Senior Backend Engineer User Data

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

Realize your potential by joining the leading performance-driven advertising company!
As a Senior User Data Engineer in the Demand group in our Tel Aviv office youll play a vital role in developing one of the largest real time big data operations in the world to support over 40TB of new data every day.
Our Tech Stack: Java, JS, TS, Python, Reactive, Spark, Kafka, Hadoop, Cassandra, Vertica, ES, MySQL, Memcached, HDFS, Iceberg, BigQuery, Druid, Kusto, Docker, K8S, Linux, Prometheus, Grafana, Airflow
Gen AI: Cursor, Junie, GitHub Copilot, Langfuse and much more
How youll make an impact:
As a Senior Software Engineer, youll bring value by:
Design, develop, and address scalability challenges in our user data pipeline and identity graph, ensuring efficient handling of high-throughput, high-performance systems
Have end to end ownership: Design, build, ship, measure and maintain our frontend and backend services
Collaborate with the brightest software engineers team members
Influence directly on the way billions of people discover the internet
Develop at unimaginable scale, serving thousands of requests per second
Work on innovative projects that are the next growth engines for our company
Here are some of the things software developers in our group did in the last several months:
A unique data pipeline for processing and managing user data signals
Driving our companys data advantage by leveraging real-time user signals to uncover intent and boost key business performance metrics
Develop a complete user identities graph and find deterministic and probabilistic methods to enrich it
An algorithmic model to predict the performance potential of a specific audience
Infrastructure to create unique audiences for advertisers based on various signals (behavioral, contextual, etc)
An A/B tests system to explore variations and experiments over audiences
Understand and use big data algorithms to estimate key business metrics over billions of impressions
Build user interface using React that serve thousands of users.

Requirements:
6+ years of experience in object oriented programming and infrastructure development
BSc in computer science or equivalent (please include GPA)
Strong end-to-end ownership mindset
Proven experience and strong understanding of big data systems, including hands-on work with a variety of database technologies
Proven experience as a tech leader, including mentoring and guiding of others
Production systems experience
Product driven and business oriented
Strong analytical skills
Fearlessness to dive into what you dont know
Passion for solving complex scaling challenge
Willing to work intensively to gain fast results in an unknown field
High self-learning abilities
Excellent communication and collaboration skills to work across teams
Bonus points if you have:
Experienced developing large scale distributed systems, Experienced with Web/JS, Experienced with Kafka / Docker / K8S, Experienced with NoSQL and big data distributed DB (Vertica / Cassandra / ES / BQ) Experienced with Spark / HDFS.

This position is open to all candidates.

עדכון קורות החיים לפני שליחה

8336263

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