דרושים » תוכנה » Senior Platform Backend Engineer

We are looking for a senior backend engineer to join our team.
As a Backend Engineer , youll get the chance to build a high-scale, performant, secure, and modern SaaS product serving thousands of businesses worldwide!

You will work with a highly professional team and have the opportunity to experience multiple technologies, from Java backends to serverless NodeJS applications, running on modern cloud infrastructure.

Each member of our Engineering team is an all-around player that influences the product from the overall experience to the details of development and architecture. You should be passionate about software engineering and creating and owning a product end-to-end; from inception to production, through design, architecture, implementation, verification, deployment and monitoring.

What will you do:
Collaborate with a team of sharp, impact-driven engineers to solve meaningful, complex challenges at scale.
Partner with product managers to ship high-performance, resilient backend systems and APIs that power core experiences.
Architect and build robust, customer-facing services and platformsend-to-endfrom scratch, using todays best tools and practices.
Own your code in production: continuously improve, optimize, and evolve the systems that drive our business.
Take full accountability for designing, implementing, testing, and deploying backend capabilities with a focus on quality and velocity.
Champion engineering excellenceset high standards, own what you build, and help level up the team around you.

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.

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!

We are seeking an experienced Backend Tech Lead to join our recommendations group. As a Tech Lead, you will be instrumental in shaping the technical direction and architecture of our backend systems. You will leverage your deep expertise in backend technologies to design, build and scale backend services while guiding a group of engineers toward delivering robust, high-performance solutions. This role offers the opportunity to collaborate with cross-functional teams and contribute to projects that impact the entire organization. If you're a leader with a passion for backend development, we would love to have you on board!

Role

As a Backend Tech Lead, your responsibilities will include:
Mentoring and guiding backend engineers to ensure high-quality code and effective development processes.
System design and architecture: Designing scalable, efficient, and secure backend systems, including APIs and data storage solutions, using technologies like Python, MySQL, Redis and Elasticsearch.
Tech stack evolution: Driving improvements in backend technologies, frameworks and development practices.
Cross-functional collaboration: Working closely with product managers, frontend teams and other stakeholders to ensure backend services meet business requirements and technical specifications.
Performance and scalability: Ensuring that our backend services are highly available, scalable and optimized for performance.
Cloud infrastructure: Overseeing cloud services and ensuring backend systems are seamlessly integrated with cloud platforms.
Code quality and best practices: Writing and maintaining clean, maintainable and well-documented code, while fostering a culture of code reviews, continuous improvement and adherence to best practices.
Technical leadership: Owning the technical direction of backend systems, making key architectural decisions and promoting industry best practices within the group.

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.

we are seeking a skilled and innovative Backend Engineer to join our Core Integration Framework team. Youll be at the forefront of building and evolving the infrastructure that powers real-time integration with healthcare systems, reflecting their behavior with accuracy, performance, and scale.

As part of our growing infrastructure group, youll take on challenging system architecture and performance problems as we scale to support even more health systems. Youll work closely with system reversers, product managers, QA engineers, and platform developers to deliver high-impact features while ensuring the safety and reliability of our core infrastructure.

This is a high-leverage engineering role with the opportunity to explore cutting-edge approaches, like AI agents, to improve time-to-market and increase the resilience of our integration pipelines.

What Youll Do

Design and implement robust, scalable systems for healthcare integration.
Reverse-engineer third-party EHR systems to craft integration strategies for data extraction and real-time state modification.
Lead the development of real-time systems using JavaScript/TypeScript, applying best practices in performance optimization and system architecture.
Write clean, efficient, and well-tested code, with a strong focus on automation and coverage (unit, integration, and E2E testing).
Take ownership of the full development lifecycle, from architecture and development to deployment and monitoring in production.
Mentor peers, contribute to team-wide technical growth, and help drive AI-powered innovation within our infrastructure domain.

We are seeking a Senior Backend Platform Engineer to join our core engineering team and lead the development of scalable, high-performance backend systems. In this role, youll design and optimize platform services that power large-scale applications. Youll collaborate with cross-functional teams to ensure our systems are robust, efficient, and future-ready.
Your ownership will include:
Design, develop, and maintain backend services, APIs, and microservices.
Optimize performance, scalability, and reliability across the platform.
Collaborate with frontend engineers, DevOps, and product teams to deliver seamless integrations.
Implement best practices in backend architecture, security, observability, and automation.
Work with cloud-native technologies and distributed systems (e.g., Kubernetes).
Develop and maintain CI/CD pipelines for smooth deployments and testing.
Troubleshoot performance issues and resolve production incidents.
Write clean, maintainable, and well-documented code, and participate in code reviews.

Required Python Engineer
What Youll Do:
As a Senior Engineer in the Purchase Risk Squad, you will play a pivotal role in developing and maintaining mission-critical systems that manage the heart and brain of our primary product. Your contributions will directly impact the teams ability to proactively manage financial risks and meet key financial KPIs. Working alongside backend engineers and AI/ML specialists, you will drive the development of advanced risk management systems that ensure the stability and financial success of our loan product.
Work directly with our Data Scientists within the risk team, leveraging cutting-edge technologies to develop, optimize, and redesign the core services that meet our growing business needs. Your role will be crucial in designing and implementing solutions that enhance our ability to manage and mitigate risks effectively.
Play a crucial role in ideating and developing new capabilities within the risk domain. Your work will leverage technologies and methodologies to introduce novel risk assessment and mitigation solutions, contributing significantly to our mission.
Work closely with internal stakeholders to understand their needs and translate business requirements into technical solutions.
Promote best practices in software development within the team, emphasizing code quality, security, and performance optimization.
Be an integral part of our multidisciplinary development teams.
Stay up-to-date with the latest technologies and methodologies in data science and engineering, incorporating them into your work to drive innovation.

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.

Required Experienced Backend Engineer, Audience Extension
Realize your potential by joining the leading performance-driven advertising company!
As an Experienced Backend Engineer in the Audience Extension team in our Tel-Aviv Office, youll be instrumental in building and optimizing our core infrastructure for managing RTB requests at scale, one of the biggest revenue driven operations in the company.
How youll make an impact:
As an Experienced Backend Engineer, youll bring value by:
Develop one of the largest real time big data operation in the world to support over 40TB of new data every day
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 hundreds of thousands of requests per second
Work on innovative projects that are the next growth engines for us
Here are some of the things software developers in our group did in the last several months:
A unique data pipeline for managing RTB requests at scale
An algorithmic model to predict if a given Real-Time impression is valuable to us
A smart gateway that ingests hundreds of thousands of requests per second for a single instance
An A/B tests system to explore variations and experiments
And many more
Our Tech Stack:
Java, Spark, Kafka, Hadoop, Cassandra, Vertica, MySQL, HDFS, BigQuery, Docker, Linux, Kubernetes, Prometheus, Grafana, Airflow.