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We're looking for a talented Backend Engineer to join our algo & ML team. You'll play a pivotal role in enhancing the search experience for 10s of millions of users worldwide, designing and implementing advanced algorithms that make our platform more intuitive and effective.


What am I going to do?:

* Develop and optimize the core retrieval systems that form the backbone of our search architecture, focusing on enhancing the recall and precision of search results.
* Utilize technologies like Elasticsearch, Lucene, Vespa, and machine learning models to build scalable search retrieval systems solutions that form the primary source for our search platform.
* Work closely with data scientists, product managers, and fellow engineers to integrate machine learning models and algorithms.
* Use search metrics such as nDCG, MRR, and user behavior analysis to pinpoint improvements, and conduct rigorous A/B testing and online experiments to validate changes and assess their impact.
* Address complex business challenges related to retrieval by breaking them down into manageable components, conducting in-depth research, and pioneering innovative features for search retrieval.

Equal opportunities:
At Fiverr, we’re not about checklists. If you don’t meet 100% of the requirements for this role but still feel passionate about the position and think you have the right skills and qualifications to excel at it, we want to hear from you. At Fiverr, we prioritize diversity. We celebrate difference and embed it into every aspect of our workplace and product, as well as our community. Fiverr is 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, Fiverr will provide accommodation to individuals with disabilities or a special need.

We're looking for a Senior Full Stack Engineer to join our team!

A day in the life and how youll make an impact:
Each member of our team is an all-around player who influences the product from the overall experience to the development.
Youll be using top technologies like React, Node.js, AWS, and scalable databases to build a unique experience in B2B payments.
You should be passionate about engineering and building a product end-to-end, through the design, coding, testing, and deployment phases.

We're looking for a Senior Backend Engineer to join our team!

A day in the life and how youll make an impact:
Each member of our team is an all-around player who influences the product from the overall experience to the development.
Youll be using top technologies like Typescript, Node.js, AWS and scalable databases to build a unique experience in the world of B2B payments.
You should be passionate about engineering and building a product end-to-end, through the design, coding, testing, and deployment phases.

Were looking for an Engineering Team Lead to lead the Decision team, within our Risk Infra group. The Risk Infra group builds the foundational systems that enable all of our fraud and compliance defenses.

The Decision team is the owner of the core engines that allow making accurate and reliable automatic decisions at a high scale, allowing or preventing operations within the applications. These decisions help protect us from fraud, abuse, and compliance risks.

What you'll do:
Youll lead a team of backend engineers working closely with product managers, fraud analysts and data scientists to turn insights into scalable, reliable logic.
Youll also build and maintain the user-facing APIs that power our fraud prevention systems, enabling real-time decisions across the company, at high scale and with minimal latency.

As an Engineering Manager, you will lead a tight-knit, dynamic team of engineers who take pride in high coding standards and modern development practices. You will own one of our impactful, user-facing product areas, making strategic decisions, enhancing workflows, and supporting your team members.

Using technologies such as React, Node.js, AWS, and scalable databases, you will build a unique experience in the world of B2B payments.

Each team member is an all-around player who influences the product from the overall experience to development, and you will be no different. You should be passionate about building a product end-to-end, overseeing the UX, design, coding, testing, and deployment phases.

We are looking for a Team Lead - Document Management.
Job Description:
Develop and take ownership of a unified definition that captures user intent for all sites across ll editors.
Provide technical leadership to teammates through coaching and mentorship
Maintain architecture which remains performant in extreme cases.
Maintain high standards of software quality by establishing good practices and habits.
Collaborate with various stakeholders to plan, design, develop, test, and maintain extraordinary features.

The Role Were seeking an experienced software engineer with a strong background in user-mode Windows applications and hands-on expertise in Windows driver development. This is a critical role that plays a vital part in our companys success as we continue to grow. We are looking for someone whos always ready to roll up their sleeves, dive in headfirst, and make a major impact.

Your Day-to-Day
As an Agent Developer, you will take ownership of key components of our endpoint detection and prevention solution, working within our Windows Agent SaaS team.

Design and develop using proven technologies while also inventing innovative solutions.

Participate in architectural design and strategic technical decision-making.

Contribute throughout the development cycle within a SCRUM environment.

Collaborate closely with QA, DevOps, backend developers, product managers, and fellow agent developers.

Deliver high-quality code, supported by robust unit tests integrated into our CI pipelines.

Work on low-level integrations and driver-related components essential to our security posture.

We're seeking talented data engineers to join our rapidly growing team, which includes senior software and data engineers. Together, we drive our data platform from acquisition and processing to enrichment, delivering valuable business insights. Join us in designing and maintaining robust data pipelines, making an impact in our collaborative and innovative workplace.

Responsibilities
Design, implement, and optimize scalable data pipelines for efficient processing and analysis.
Build and maintain robust data acquisition systems to collect, process, and store data from diverse sources.
Take part in developing agentic capabilities.
Collaborate with DevOps, Data Science, and Product teams to understand needs and deliver tailored data solutions.
Monitor data pipelines and production environments proactively to detect and resolve issues promptly.
Apply best practices for data security, integrity, and performance across all systems.

We're looking for a passionate and creative experienced Fullstack Engineer to join our amazing team. In this role, you will be developing our cloud-based personalized networking and security management solutions.
Responsibilities:
End 2 End development from the processing of large-scale data to web interfaces
Performing ongoing research and prototyping for new features and product ideas
Implementing and testing network security enterprise solutions
Research new technologies and adapt them for use within the companys product.
Architect, design, and develop a complex web application.

we are looking for a bright, passionate and experienced Apple Platforms Software Engineer to join the company's team. In this critical role, you will be developing our Client Application which is used by hundreds of thousands of users worldwide. You will be owning aspects of the applications full life cycle, from design, and development to CI/CD.
Responsibilities:
End-to-end ownership of our macOS/iOS clients, designing, developing and delivering new features from scratch.
Assisting DevOps with maintaining and enhancing our build system.
Researching Apple platform and ecosystem for relevant technologies.
Support the entire application lifecycle, including release management and supporting production.
Collaborate with QA, automation, product-management and other engineering teams to deliver integrated features.

Were looking for a bright and passionate Senior Software Engineer to join our R&D Core team. In this critical role, you will design and develop solutions for in-house operating systems and platforms building our backbone cloud data centers and our edge on-prem devices. our company's solutions are running on a variety of hardware, ranging from small, embedded devices, to high-end servers, and cloud environments.
Responsibilities:
Design and implement operating system utilities and components to ensure a performant, stable, secure, maintainable, and transparent ecosystem in our cloud
Proactively be on top of new emerging technological trends in low-level networking, hardware, kernel, and open-source themes. Implement and specialize in open-source solutions to specific our company's needs.
Investigate and test performance capabilities aiming at squeezing the lemon out of our hardware.

Were looking for a bright and passionate Senior Software Engineer to join our R&D Core team. In this critical role, you will design and develop major parts of our highly scalable and high-performance solution. You would be part of engineering the backbone of a revolutionary platform, including complex networking topology and optimizations, various security features, and mobile and desktop clients.
Responsibilities:
Design, implement, and test network security enterprise solutions
Perform ongoing research and prototyping for new features and product ideas
Research new technologies and adopt them for use in the companys product.

Now were looking for a bright and passionate Senior Software Engineer to join our Access Clients team. In this critical role, you will design, develop and maintain core components of our Access Clients which are used by hundreds of thousands of users worldwide, on various households and enterprise environments. You will help taking the Windows Client to the next level of functionality and stability, developing core Service functionality as well as user-facing components.
Responsibilities:
Developing core components for C++ Windows Service and applications.
Working on the cross-platform C SDK library which runs on all major operating systems.
Researching new technologies.
Taking ownership on new features and leading collaborative efforts.
Support the entire application lifecycle, including release management and supporting production.
Collaborate with quality assurance, technical support, product-management and other engineering teams to deliver integrated features.

Now were looking for an experienced Software Engineer to join our Data team. In this key role, you will develop our data platform, working on cloud-based microservices data pipelines. As we are building the company data platform, it has direct impact on our customers and also enabled many of the other groups in the organization. You will also be responsible for building microservices that need to work on big data scale (about 250K records/sec) in a law latency as part of a dynamic team.
Key Responsibilities:
End-to-end development of company massive data infrastructures and services.
Researching new technologies and adapting them for use in the companys product
Working closely with the product, DevOps, and security teams.

Were looking for a bright and passionate Software Team Lead to join our R&D Core team.
In this critical role, you will lead, design, and develop major parts of our highly scalable and high-performance solution. You would be part of engineering the backbone of a revolutionary platform, including complex networking topology and optimizations.
Responsibilities:
Lead a team of experienced software engineers, fostering a culture of ownership, excellence, and mutual support
Serve as a mentor and coach, guiding both personal and professional development of team members
Design, implement, and test network security enterprise solutions
Perform ongoing research and prototyping for new features and product ideas
Research new technologies and adopt them for use in the companys product.