דרושים » תוכנה » Experienced Backend Engineer, Audience Extension

we are a top player in its game and is heading for an exciting year. In this role, you will take an integral part in the creation of a new and innovative SaaS product.
If you are a talented Senior Backend Engineer that likes to solve complex problems and looking for your next challenge we want you to join our team!
What youll do:
Join a passionate, high-performing team that owns two successful products end-to-end, delivering cutting-edge solutions in Fraud Prevention and API Security.
Work both on delivering infrastructure and customer-facing features.
Write modular, extendable, testable, efficient and secure code for the platform and microservices.
Design and build scalable systems: robust backend services and data pipelines capable of processing and analyzing large-scale datasets efficiently.
Optimize workflows: work on improving the performance, reliability, and scalability of our realtime, short-async, long-async and data processing systems.
Develop a platform that will affect hundreds of customers worldwide, and billions of end-users worldwide.

As a Senior Software Engineer , youll design and build high-performance APIs and infrastructure that power our core systems. Youll work on developing frameworks used by services that demand supporting millions of users across the world.

The right person for this role is passionate about building systems that are optimized for scalability, efficiency, quality, and uptime. If you are someone who gets excited with sub-millisecond service response time in a large scalable platform, then this is the role for you. You will be working with cutting-edge technologies such as Kotlin, Nodejs, Typescript, Kafka, AWS, Kubernetes, MongoDB, Redis, and many more...

What am I going to do?
Manage the full development lifecycle: architecture, design, development, deployment, and monitoring.
Develop highly scalable, reliable, and maintainable core services with robust testing.
Collaborate closely with team members to meet product, tech and business objectives.
Explore and experiment with emerging technologies to ensure future scalability and growth.

our company, an early stage and well funded startup, is now looking for an experienced Backend developer to join a growing and dynamic R&D team. we are revolutionizing the way shipping companies operatereplacing outdated manual work with smart, AI-powered tools that bring them into the future of global trade. We offer an AI-based pricing optimization and shipment automation web platform designed to eliminate inefficiencies regarding freight pricing, placement, and shipping in general.
At our company, we put smart technology at the heart of everything we do. Our R&D teams push, embrace, and actively encourage the use of coding assistants and AI-driven development to transform the shipping industry. Were always improving how we workadopting modern development practices that help us move faster, write better code, and collaborate more effectively. This is your chance to join early, make a real impact, and grow with a team thats shaping the future of global logistics.
As a Backend Developer at our company, 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.

We are looking for an intellectually curious Backend Engineer who is passionate about code, high performance and cares about quality. You will work with knowledgeable and experienced developers with a large scale of skills and capabilities who are passionate about developing an innovative product which makes an impact.
As a Backend Engineer, you will join a small team of experienced and highly talented engineers, and help us build great services for a product that actually saves lives by taking lead, work with a variety of technologies and projects.
You will work on the core of our infrastructure and backend services, where large volumes of medical data and end-user behavior are processed and built into efficient services that can scale as fast as we do. Focusing on mission critical services that are responsible for handling the business and revenue operations with complex behaviour and external integrations supporting evolving business needs and new initiatives.
Our tech-stack: Scala, Javascript + Typescript, Kafka, Kafka Streams, MongoDB, PostgreSQL, Redis, AWS, Kubernetes, Nginx, Docker, Jenkins, ELK, Prometheus and more!

Were looking for passionate individuals who thrive in collaborative environments and are eager to drive impact. If youre excited about solving complex challenges in bold, innovative ways, wed love to connect with you.

What are we looking for?
Our team is responsible for Endpoint Protection services, and covers end-to-end from agent to backend to frontend the following areas:
Building services that process traffic between our Agent (which is responsible for protection across all kinds of OS - Windows, Linux, macOS) and our cloud-based Management console
Developing a big part of backend of this Management console itself (which is in short a large-scale distributed system, a complex "control application" used by IT security teams of S1 clients - that can be seen in many S1 vs. Ransomware demos) and the management of the "fleet" of agents deployed on endpoints in client's environments (backends written in Python and Go and deployed in Kubernetes)
Were a team with a significant impact on how our customers environments are protected, and how they interact with agents. As a core team at S1, we're heavily involved in every end-to-end effort, features development and are key contributors to the design and build of the right architecture of S1's cybersecurity solution to match the scale & hyper-growth of our business.

What will you do?
Design, develop, and support robust backend system our main product line - Endpoint Protection
Feature Design and Documentation: Take ownership of designing new features and creating documentation.
Database Schema Design: Design efficient database schemas to support new and existing features.
Backend Service Development: Develop and maintain backend services using Go and Python. Create RESTful APIs to facilitate seamless interaction between the backend, front-end, and other systems.
Integration: Integrate with various cloud services (AWS, GCP), databases (Postgres, MongoDB), messaging systems (Kafka), and caching solutions (Redis) to enhance system functionality and performance.
Feature Support and Validation: Provide support during the feature validation cycle, ensuring smooth deployment to production environments.
Performance Optimization: Optimize system performance and scalability to manage demanding workloads effectively.
Requirement Translation: Understand product requirements and translate them into technical solutions.
Cross-Team Collaboration: Work closely with product, validation, and front-end engineering teams to deliver and maintain high-quality features.
Customer Communication: Communicate with customer care and support teams to address issues.
Code Quality and Maintenance: Write clean, maintainable code. Stay up-to-date with the latest advancements in backend technologies and security best practices.
Innovation and Creativity: Bring creativity to the table. Explore new solutions and technologies to improve our product continuously.

the all-in-one payroll and HR platform for global teams. Our vision is to unlock global opportunity for every person, team, and business. Built for the way the world works today, combines HRIS, payroll, compliance, benefits, performance, and equipment management into one seamless platform. With AI-powered tools and a fully owned payroll infrastructure, supports every worker type in 100+ countrieshelping businesses scale smarter, faster, and more compliantly.
Among the largest globally distributed companies in the world, our team of 5,000 spans more than 100 countries, speaks 74 languages, and brings a connected and dynamic culture that drives continuous learning and innovation for our customers.

Why should you be part of our success story?
As the fastest-growing Software as a Service (SaaS) company in history, is transforming how global talent connects with world-class companies breaking down borders that have traditionally limited both hiring and career opportunities. We're not just building software; we're creating the infrastructure for the future of work, enabling a more diverse and inclusive global economy. In 2024 alone, we paid $11.2 billion to workers in nearly 100 currencies and provided healthcare and benefits to workers in 109 countriesensuring people get paid and protected, no matter where they are.
Our momentum is reflected in our achievements and customer satisfaction: CNBC Disruptor 50, Forbes Cloud 100, Deloitte Fast 500, and repeated recognition on Y Combinators top companies list all while maintaining a 4.83 average rating from 15,000 reviews across G2, Trustpilot, Captera, Apple and Google.

Your experience at will be a career accelerator. At the forefront of the global work revolution, you'll tackle complex challenges that impact millions of people's working lives. With our momentumbacked by a $12 billion valuation and $800 million in Annual Recurring Revenue (ARR) in just over five yearsyou'll drive meaningful impact while building expertise that makes you a sought-after leader in the transformation of global work.

Get Ready To:
Collaborate in a Cross-Functional Team: Work closely with Frontend Engineers, Product Teams, Designers, and QA professionals to create seamless experiences.
Participate in Product Planning: From discovery to deployment, we value your input throughout all stages of the Software Development Lifecycle
Develop and Enhance Features: Collaborate to develop robust new features, APIs, and continuously improve our industry-leading products. Help find and fix bugs
Provide an Exceptional, Customer-Centric Experience: Ensure top-tier products and services through quality engineering and attentive, customer-focused development.

we are looking for a Senior Backend Engineer to join our ERP group and help power the financial infrastructure of thousands of businesses. This is a high-impact role in an AI-first company, where backend engineering meets intelligent automation. Youll be building robust, scalable systems that integrate with top ERP platforms-ensuring seamless data flows and operational excellence.
As part of a team that embeds AI in every layer of our product and operations, youll contribute directly to cutting-edge financial technology solutions used by 1,600+ customers. Your code wont just run-itll think smarter.
What You Will Do:
Champion AI-First Development: Leverage relevant development tools like Cursor, Codex, Copilot, and agent-based frameworks to accelerate development and optimize integrations.
Engineer Seamless Integrations: Design and implement stable, resilient, high-performance connections between and 70+ leading ERP systems, forming the backbone of our AI-driven procure-to-pay platform.
Own What You Build: Take full responsibility for features from ideation through production-ensuring reliability and performance at scale.
Think at Scale: Architect solutions that serve a rapidly growing user base with resilience, speed, and future-proof flexibility.
Innovate Relentlessly: In our fast-paced, AI-powered environment, youll continuously evolve backend systems, experimenting with new patterns and tech to enhance system intelligence.
Solve Complex Puzzles: Navigate ERP integration challenges with creativity and precision-where every obstacle is an opportunity to innovate.
Be Customer-Obsessed: Partner closely with Product, Support, and QA to ensure your work translates to tangible customer impact.

We're looking for a Backend Engineer to join our R&D team. You will work closely with our product team to build our unique product offering. As a Backend Engineer, you will take part in building complex backend designs that are both scalable and fault-tolerant, developing our data ingestion pipeline and introducing new analysis engines.

What You'll Be Doing:
Design, develop, test, deploy, maintain and improve the software.
Youll have your domain of expertise in which you'll assist the product team with future directions, lead the technology and cooperate with other engineers.
Youll develop backend services that integrate with and ingest data from various cloud providers that store sensitive data.
Youll build pipelines that analyze, classify, correlate and process this data.
Youll build systems that detect anomalies in the ingested data for alerting the customer, that automatically resolve issues and that generate sophisticated yet easily consumable insights arising from the processed data.
Youll work in an agile environment that focuses on high velocity and responds quickly to new insights.
As an all-around player, you'll work closely and at a high pace with other engineers, product, design, and other internal key stakeholders, as well as have a direct line of sight into how your work solves real-world problems for our clients and accelerates our business.

looking for a Backend Developer, which is both hands-on and an ace problem solver to join our amazing DeepUI group. We are developing revolutionary runtime engine and transforming the online experience for hundreds of millions of users. Our proprietary AI-based technology is bringing the world's leading digital adoption platform to the next level by understanding and interacting in real time with graphical user interfaces at a human level. We are looking for people who are passionate about leading technology to the extreme. If you are striving to develop an innovative product, make an impact, and work with the industrys brightest talent as part of one of the fastest-growing and successful startups around is where you want to be.
What will you actually be doing?
Design and build the latest back-end solutions to the exciting and rapidly evolving domain of GUI perception.
Develop and maintain complex backend cloud services and infrastructure, across multiple regions.
Design architecture for new services and implement through to production.
Implement and own end to end solutions that will scale to millions of users.
Participate in fast-paced research while running in production. A very rare and exciting combination
Advance the world one step closer to Artificial General Intelligence.
Help build engineering culture.
Investigate, implement and share new technologies and ideas.
End to end development of features and systems that are used daily by key stakeholders, both internally and externally.

we are an early-stage Fintech startup based in TLV, on a mission to revolutionize the way Real Estate firms and investors manage their capital. Our Investment Management software helps companies raise and preserve more capital by automating their back-office operations, increasing their investors' satisfaction, and providing them with advanced tools for better marketing efforts.
Life at our company
We are a fast-growing and dynamic startup with 100+ employees, mostly in Tel Aviv. We value collaboration, ownership, and innovative thinking. Were looking for passionate, positive and motivated people to join our team.
About the Role
As a Senior Backend Engineer at our company, youll become a valuable member of an innovative and fast-growing department, working in a truly Agile environment utilizing cutting-edge technologies.
Youll be in charge of planning and developing new features and services, contributing to our code infrastructure, and improving our SaaS architecture for the scale that lies ahead.
Whether you enjoy writing complex business logic, optimizing the DB to run heavy queries in no time, or integrating to a variety of 3rd party services, we encourage you to own it all the way from conception to post-production.
Our Stack: Node.js, NestJS, React, AWS, MySQL, Postgres, RabbitMQ, Lambda, Kubernetes, Docker.