דרושים » תוכנה » Senior Back End Developer Building High-Scale AI-Driven Security

seeking a promising and talented Cloud Back End Developer to join our group. If you thrive in a fast-paced, dynamic environment, can handle multiple requests simultaneously, and enjoy working independently as part of a cutting-edge team, this is your opportunity to help make the world a safer place!

Key Responsibilities
As a Cloud Back End Developer, you will be responsible for developing and maintaining exciting security products for Avanans customers. Our production environment is a fast-paced, agile development cloud environment - handling tens of millions of transactions daily

You will develop software serving large scale production real-time multi-tenant environment, handling large quantities of data, using microservices architecture and design patterns.

The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. All are implemented with the latest AWS tools and managed services such as Elastic Container Services, Kinesis, DynamoDB, SQS, Opensearch, ElasticCache, Iceberg, and many more. You will design and develop high impact real-time components and take ownership of the end-to-end solution.

Develop production-grade, large-scale cloud-based security products.
Design and develop data-driven applications in an agile development environment.
Collaborate cross-functionally with product managers, QA, automation, data engineers, and other engineers to achieve elegant solutions.
Work alongside other engineers on the team to elevate technology and consistently apply best practices.

A leading large-scale ad network at the forefront of advertising technology. We are looking for a highly skilled and experienced Senior Software Engineer to join our backend team.
In this role, you will leverage your expertise in distributed systems, data engineering, and software development to design, build, and deploy high-performance solutions. You will take a leading role in developing and maintaining a cutting-edge online machine learning system powered by PyTorch/Tensorflow models and Triton inference server.
This is an opportunity to work on complex, large-scale systems that serve billions of requests, shaping the future of ad tech and ML-driven optimization.
What you'll be doing
Architect and Build: Design, develop, and deploy robust, scalable, and high-performance distributed systems that form the backbone of ironSource's next-generation ML ad network.
Real-Time Ad Serving: Engineer and optimize critical systems for real-time ad serving, enabling machine learning models to make intelligent, low-latency decisions for optimal ad selection.
ML Infrastructure Innovation: Drive the evolution of our ML capabilities by researching, evaluating, and implementing cutting-edge techniques for feature stores, data aggregation, and model serving infrastructure.
Data Pipeline Engineering: Collaborate closely with data scientists and product managers to design, build, and maintain efficient and reliable data lakes and data pipelines, ensuring high-quality data for ML training and analytics.
Operational Excellence: Take ownership of key system components, ensuring their reliability, performance, and scalability in a production environment through proactive monitoring and continuous improvement.

We are seeking an experienced and highly skilled Senior Python Backend Developer to join our dynamic team.
You will be at the heart of our engineering efforts, responsible for designing, developing, and maintaining the high-performance, scalable, and secure cloud-based solutions that power our Fintech Compliance and Risk management products.
Working with cutting-edge technologies like Python, Node.js, and AWS, you will build innovative, low-latency, and highly available systems that form the core of our business. In this role, you will be instrumental in shaping our technical architecture and driving excellence in a fast-paced, evolving environment.
Key Responsibilities:
Architecture & Development: Lead the design and development of robust, scalable, and secure backend systems and APIs, primarily using Python.
Cloud Infrastructure: Architect, build, and maintain high-scale solutions on modern cloud platforms (specifically AWS) to ensure reliability, scalability, and performance.
System Performance: Design and implement services optimized for low-latency processing, high availability, and fault tolerance for mission-critical financial applications.
Technical Leadership: Provide technical leadership and mentorship to junior and mid-level developers, fostering best practices in code quality, testing, and maintainability.
Product Focus: Develop and enhance Compliance and Risk management products for the Fintech sector, ensuring they meet strict regulatory requirements and industry standards.
Optimization & Reliability: Take ownership of system performance, scalability, and reliability. Proactively identify and resolve bottlenecks in code and architecture.
Collaboration: Work closely with cross-functional teams, including frontend developers, DevOps engineers, and product managers, to deliver seamless end-to-end solutions.
Innovation: Stay current with emerging technologies and industry trends, driving the adoption of new tools and frameworks to solve complex challenges effectively.

As a Senior Backend Engineer, you will design, build, and scale the core backend systems that power our security platform-directly shaping the safety of millions of Web3 users. Youll work closely with a team of world-class engineers to deliver highly reliable, performant, and secure infrastructure.



Your Chain of Impact:

Lead feature development end-to-end, from requirements to production.
Build systems that protect millions of users from fraud, scams, and hacks.
Contribute across the full software development lifecycle in an agile environment.
Drive technical innovation by staying ahead of emerging technologies.
Uphold the highest standards of code quality, scalability, and performance.
Take true ownership of our product, tech stack, and development processes.

we are 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 .
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.
Help build engineering culture.
End to end development of features and systems that are used daily by key stakeholders, both internally and externally.

A leading start up in Identity, Authorization & Security is seeking a senior backend developer to join our growing team to improve the end-to-end product features and align the R&D solution to the company's business needs and overcome new technology challenges. Our solution is based on Java, Go, and React, moving to SaaS with multi-tenancy based on microservices architecture. We are working in Agile with TDD/BDD and extreme programming processes to complete the end-to-end lifecycle of CI/CD. We're looking for you, to develop the next generation of our leading security product.
Here we put our people first. We strongly believe in teamwork and encourage and trust our people to reach higher, learn more, and live up to their potential.
Java and GO Guru with coding hands-on ability
Set and meet the performances by KPIs
Establish a high scale multi-tenancy cloud foundation solution
Working with cutting-edge technologies in a dynamic environment, where you can learn and mentor your team members
Collaborate with Product Managers, Frontend and Backend Developers, and QA Engineers.

In a world where remote work is the new norm, organizations perimeters are much more loosely defined and cloud-native apps replace data centers rapidly, a new approach is needed to provide connectivity, compliance and security for all.
As a Senior Backend Engineer - you will build and design distributed backend services that are the backbone of our platform. You will need to think wide about all system components and will need to consider the trade-offs with every design decision you make.
You will work with the latest technologies and development methodologies to achieve the best outcomes. This is a unique opportunity to join very early and take charge of new product architecture and build it from scratch.
Your Impact
Responsible for complete software development life cycle including requirement analysis, design, development, deployment and support
Design, implement and test critical components in the product, take into account complex considerations of multiple platforms, performance, supportability, maintainability and much more
Write clean, testable, readable, scalable and maintainable code that scales and performs well for thousands of customers
Develop solid understanding and be able to explain advanced Cloud Computing and Security concepts to others
Research new technologies and their implications on connectivity and security. Then adapt them for use in the companys products
Write design documents, SW development guidelines, and best practices.

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.

you will own your tasks from top to bottom, with the freedom to learn, innovate, and sharpen your skills alongside an exceptionally talented team. We value a hunger for growth, hard work, and collaboration.

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

We are building the engine that powers the security validation of the worlds leading cybersecurity products. Our team is developing a complex, high-scale infrastructure that automates attack scenarios and delivers "Environment as a Service" to users across the entire company.
We are looking for a Senior Backend Engineer who is not just a coder, but a system thinker with a wide field of vision. You will be dealing with a system that touches multiple cloud, on-prem providers and services, requiring you to understand how complex distributed components interact.
You will join a group where scalability, and performance are paramount. This is a unique opportunity to build a platform used by everyonefrom Sales Engineers demonstrating our capabilities to Core Developers ensuring our products can stop the latest threats.
Your Impact
Architect and Build: You will design and develop high-performance backend microservices using Python (FastAPI) that orchestrate complex attack simulations and infrastructure setup.
Scale and Orchestrate: You will manage the complexity of parallel services and containerized components (Docker/Kubernetes/Amazon ECS/etc.), ensuring our infrastructure can handle high concurrency and massive scale.
Drive Efficiency: You will build tools that reduce testing cycles from days to hours, directly impacting the developer experience and the speed at which we release products.
Empower the Business: You will create a platform that is robust enough for developers but accessible enough for non-technical teams, directly aiding in the demonstration, marketing and sale of our products.
Data Integration: You will implement efficient data handling and storage strategies using BigQuery, MongoDB, and Redis to ensure real-time availability and historical analysis.

Were looking for a Senior Software Engineer to join our growing R&D team. In this role, you will play a critical part in designing, building, and optimizing complex systems that power our AI-driven platform.
Youll work across the stack- primarily on backend services - with opportunities to influence architectural decisions and build highly scalable and performant systems.
Youll collaborate closely with AI, product, and frontend teams to bring advanced features to life and ensure a seamless, intelligent experience for our users.
This is a high-impact role for someone who is passionate about engineering excellence, eager to shape systems end-to-end, and ready to grow with a fast-moving, AI-first company.
Key Responsibilities:
Design, develop, and maintain robust backend systems and services.
Ensure the scalability, performance, and security of backend components.
Collaborate with front-end developers and data teams to integrate user-facing elements with server-side logic.
Optimize the platform's infrastructure to handle large-scale data processing and analysis.
Troubleshoot and debug complex issues, identifying and implementing the most effective solutions.
Contribute to the architecture and system design decisions for the backend infrastructure.
Stay up to date with industry trends and new technologies to continuously improve backend performance.