דרושים » תוכנה » Senior backend Developer

We are seeking an experienced Backend Developer with a minimum of 5-6 years of hands-on experience to join our development team. As a Backend Developer, you will be responsible for designing, developing, and maintaining robust solutions for our suite of products, as part of the team responsible for the heart of our technology stack. You will work with cutting-edge technologies, including Node.js, Nest.js, TypeScript, PostgreSQL, and AWS services.

Responsibilities:
Design, develop, and deploy scalable and high-performance backend solutions to support our web and mobile applications.
Write clean, maintainable, and well-documented code in TypeScript, following best practices and design patterns.
Implement and maintain database schemas, queries, and optimizations using PostgreSQL.
Perform code reviews, troubleshoot issues, and provide technical support to ensure the reliability and performance of backend systems.
Collaborate closely with the product team, FE developers, QA engineers, and other stakeholders to understand requirements and translate them into technical specifications and implementation plans.

A leader in cloud-native networking software for Hyperscalers and service providers who are building the largest infrastructures in the world for network services and AI platforms. Founded in December 2015, disrupted some of the most challenging high-scale markets, transforming the way Networks are built, scaled, and consumed. We also built the largest network in the world, with more than half of AT&Ts backbone running on Network Cloud. has raised $587 million in three funding rounds which enable us to dream big and bring on the most talented people.

The Role
We are looking for a Platform Backend Team Lead to join our Network Orchestration group. Our group is responsible for developing scalable, high-performance distributed systems that support complex network infrastructures.
As a Platform Backend Team Leader, you will be responsible for designing, developing, and maintaining core backend infrastructure that supports multiple teams and projects. You will work closely with stakeholders to understand their needs, define best practices, and build scalable, reliable, and secure solutions. Your role will involve leading a team of 4+ engineers, driving architectural decisions, and ensuring the platform's long-term sustainability and efficiency.

This position requires a blend of technical leadership, strategic thinking, and hands-on expertise to build solutions that enhance productivity, security, and scalability across the organization.
Our group is growing, and you will play a key role in building and expanding the team. You'll have the opportunity to optimize and enhance key parts of our system, leveraging the latest tools and infrastructure to drive innovation and efficiency.
We embrace an agile mindset you should be comfortable with context switching, handling multiple priorities, and adapting quickly to changing requirements.

Responsibilities
Lead & mentor a high-performing development team in building advanced, scalable software solutions.
Architect and implement robust and maintainable backend solutions.
Ensure scalability & performance by optimizing distributed systems and database architectures.
Collaborate with engineering teams across different departments to gather requirements and define solutions that meet business needs.
Define and enforce best practices for API design, microservices architecture, and security concepts.
Drive performance improvements, optimizations, and incident response processes.
Stay updated with the latest technologies and best practices in backend architecture, cloud platforms, and security.
Coordinate with Product Managers to align development with business priorities and roadmap planning.
Work alongside the Project Manager to track progress, mitigate risks, and ensure timely delivery of features.
Work with DevOps teams to streamline CI/CD pipelines and automate infrastructure deployment.

a leader in cloud-native networking software for Hyperscalers and service providers who are building the largest infrastructures in the world for network services and AI platforms. Founded in December 2015, disrupted some of the most challenging high-scale markets, transforming the way Networks are built, scaled, and consumed. We also built the largest network in the world, with more than half of AT&Ts backbone running on Network Cloud. has raised $587 million in three funding rounds which enable us to dream big and bring on the most talented people.

The Role
We are looking for a Platform Backend Team Lead to join our Network Orchestration group. Our group is responsible for developing scalable, high-performance distributed systems that support complex network infrastructures.
As a Platform Backend Team Leader, you will be responsible for designing, developing, and maintaining core backend infrastructure that supports multiple teams and projects. You will work closely with stakeholders to understand their needs, define best practices, and build scalable, reliable, and secure solutions. Your role will involve leading a team of 4+ engineers, driving architectural decisions, and ensuring the platform's long-term sustainability and efficiency.

This position requires a blend of technical leadership, strategic thinking, and hands-on expertise to build solutions that enhance productivity, security, and scalability across the organization.

Our group is growing, and you will play a key role in building and expanding the team. You'll have the opportunity to optimize and enhance key parts of our system, leveraging the latest tools and infrastructure to drive innovation and efficiency.

We embrace an agile mindset you should be comfortable with context switching, handling multiple priorities, and adapting quickly to changing requirements.

Responsibilities
Lead & mentor a high-performing development team in building advanced, scalable software solutions.
Architect and implement robust and maintainable backend solutions.
Ensure scalability & performance by optimizing distributed systems and database architectures.
Collaborate with engineering teams across different departments to gather requirements and define solutions that meet business needs.
Define and enforce best practices for API design, microservices architecture, and security concepts.
Drive performance improvements, optimizations, and incident response processes.
Stay updated with the latest technologies and best practices in backend architecture, cloud platforms, and security.
Coordinate with Product Managers to align development with business priorities and roadmap planning.
Work alongside the Project Manager to track progress, mitigate risks, and ensure timely delivery of features.
Work with DevOps teams to streamline CI/CD pipelines and automate infrastructure deployment.

We are looking for a Senior Full Stack Engineer with a backend orientation who excels at solving complex challenges and is passionate about building robust and scalable systems. In this role, you will work closely with a talented team of developers, Product, Design, and Data Science to deliver innovative solutions that have a meaningful impact on users' lives.
As a senior engineer, you will focus on backend development while contributing to frontend implementation as needed. You will take full ownership of your projects, from concept to deployment, in a fast-paced and highly collaborative environment, while also mentoring team members and driving technical excellence.
Our Technology Stack:
Node.js, React Native, Redux, ReactJS, Scala, Play, Microservices, AWS, Docker, Kubernetes, MongoDB, Redis, PostgreSQL, Spark, Elasticsearch, Kafka, and more.
Responsibilities:
Backend Development: Design, implement, and maintain backend systems that process and analyze large-scale data.
Full Stack Contribution: Develop features end-to-end, integrating both frontend and backend functionality.
Build scalable, efficient, and secure backend services using Node.js and other technologies.
Collaborate with the Data Science team to integrate advanced algorithms into backend systems, driving data-driven products.
Partner with Product Managers and Experience Designers to brainstorm, strategize, and execute features and improvements.
Ensure architecture and systems are reliable, maintainable, and scalable for future growth.
Lead by example, mentoring junior engineers and contributing to code reviews.
Continuously evaluate and adopt cutting-edge technologies to improve system performance and engineering practices.

we are looking for a highly skilled Senior Back-End Java Developer to join our core development team and help drive the architecture and scalability of our server-side systems. This is a high-impact role where youll design and build sophisticated, cloud-native microservices powering mission-critical functionality for our fintech platform.

Youll work in close collaboration with cross-functional teamsincluding front-end developers, DevOps engineers, product managers, and QAto deliver enterprise-grade software thats scalable, secure, and built to last.

RESPONSIBILITIES
Design & Develop at Scale

Design, develop, and maintain robust and high-performance Java applications and distributed services.

Build and optimize scalable RESTful APIs and microservice-based architectures that power our platform.

Lead Engineering Excellence

Guide the adoption of best practices in design, development, testing, and deployment across the backend stack.

Conduct code reviews and mentor team members, helping to raise the technical bar across the team.

Own End-to-End Delivery

Collaborate with front-end, DevOps, and product teams to turn complex requirements into reliable solutions.

Take ownership of performance, availability, and observability of backend components in a high-scale environment.

Secure & Optimize

Implement security best practices, caching strategies, and performance tuning for robust, real-time systems.

Troubleshoot and resolve critical production issues with speed and precision.

We are looking for a seasoned, proactive engineer with an innovative vision and technical expertise in large complex systems to join our dynamic R&D team in Tel Aviv.
To become a part of our team, you must enjoy a challenge, be ready to make a significant impact, and rapidly deliver top-tier code using cutting-edge frameworks and technologies.
What will you do?
You'll own new and existing features, from concept to production-ready code.
As part of the development group, you'll work closely with product members to drive core capabilities aligned with the company's strategy. Collaboration with full-stack and infrastructure teams to create seamless client workflow solutions is also key to the role. Also, As a senior developer, you'll lead and mentor junior developers, and expand the team's technological toolbox.

we are looking for a highly skilled Senior Back-End Java Developer to join our core development team and help drive the architecture and scalability of our server-side systems. This is a high-impact role where youll design and build sophisticated, cloud-native microservices powering mission-critical functionality for our fintech platform.

Youll work in close collaboration with cross-functional teamsincluding front-end developers, DevOps engineers, product managers, and QAto deliver enterprise-grade software thats scalable, secure, and built to last.



RESPONSIBILITIES


Design & Develop at Scale

Design, develop, and maintain robust and high-performance Java applications and distributed services.

Build and optimize scalable RESTful APIs and microservice-based architectures that power our platform.

Lead Engineering Excellence

Guide the adoption of best practices in design, development, testing, and deployment across the backend stack.

Conduct code reviews and mentor team members, helping to raise the technical bar across the team.

Own End-to-End Delivery

Collaborate with front-end, DevOps, and product teams to turn complex requirements into reliable solutions.

Take ownership of performance, availability, and observability of backend components in a high-scale environment.

Secure & Optimize

Implement security best practices, caching strategies, and performance tuning for robust, real-time systems.

Troubleshoot and resolve critical production issues with speed and precision.

we are the trading and investing platform that empowers users to invest, share and learn. We were founded in 2007 with the vision of a world where everyone can trade and invest in a simple and transparent way. We have created an investment platform that is built around collaboration and investor education. On our platform, users can view other investors portfolios and statistics, and interact with them to exchange ideas, discuss strategies and benefit from shared knowledge. We have over 38 million registered users from 75 countries and our platform is available in 20 languages. We are a fast growing business with over 1,500 employees across 13 offices around the globe, strategically positioned to serve the needs of users. You can find out more about us here.
As a Senior Backend Developer, you will be the team leaders right hand, taking a key role in technical leadership, architectural decisions, and problem-solving in a fast-paced environment. You will work at the intersection of trading and financial services, using your expertise in C#, .NET, Kubernetes, and Azure cloud to build high-performance, secure, and scalable solutions.
Your Role & Responsibilities:
Technical Leadership:
Provide technical expertise and mentorship to the team, promoting best practices and modern technologies.
Play a key role in architectural decisions, ensuring performance, scalability, and security.
Research and introduce new technologies to enhance system capabilities.
Hands-On Development:
Design, develop, and maintain distributed, microservices-based systems in C# and .NET.
Build and enhance trading-related financial services with Azure cloud infrastructure.
Develop and optimize high-performance, fault-tolerant backend systems.
Problem-Solving & Production Excellence:
Tackle complex technical challenges in performance, fault-tolerance, and security.
Own critical production issues, ensuring fast resolution and system reliability.
Work proactively on preventing potential failures before they impact business.
Collaboration & Communication:
Actively participate in requirements definition and system analysis.
Work closely with Product, Finance, and Legal teams to ensure alignment with business goals.
Drive cross-team solutions, balancing complex dependencies and technical constraints.
Results-Oriented Mindset:
Be a self-learner and problem solver with a can-do attitude.
Take ownership of projects end-to-end, from concept to production.
Maintain high-quality standards while delivering under tight deadlines.

We are looking for a Senior Backend Engineer to join our R&D team and play a pivotal role in building our multi-cloud scanning system. This position is ideal for engineers who excel in solving large-scale challenges within a fast-paced startup setting, and who are passionate about pushing the boundaries of data security in a cloud environment.
Responsibilities
Lead the design and development of our cloud scanning orchestration system, ensuring efficiency and scalability across multiple cloud environments.
Handle multiple system interactions, working with microservices and cloud-native components to build a robust and flexible scanning solution.
Research various Datasources APIs in order to develop connectors and perform efficient data scanning.Develop and implement efficient data scanning connectors by researching the APIs of various data sources.
Collaborate closely with cross-functional teams, including R&D engineers, product managers, and solution engineers, to deliver end-to-end features and tackle complex engineering challenges.
Gain a high-level architectural perspective while maintaining the ability to dig into technical specifics and optimize system performance.

We are looking for a Senior Backend Engineer to lead backend engineering and APIs connectivity to our end to end user experience / look and feel of the product. Our technology stack is based on AWS managed services and serverless architecture. Therefore, an extensive understanding of AWS / Cloud technologies is necessary.

Role and responsibilities


Backend engineering lead as part of frontend, backend, and data analytics team
End to end ownership of a SaaS backend/API
Build backend infrastructure and connectivity
Effectively use tools and ingenuity to identify and fix defects before they become a problem