דרושים » תוכנה » Backend Developer (.Net + Python)

Required Backend Software Developer
Israel: Tel Aviv/ Hybrid (Israel)
R&D | Full Time | Job Id: 25310
Why Join Us?
We are building the automation backbone that powers development.
As part of the I/S Group, our team provides the core infrastructure for building, running, and analyzing code quality and automated tests across our products. We design and maintain scalable pipelines, frameworks, and tools that developers and QA engineers rely on every day to ship secure, high quality software faster and with confidence.
We are looking for a developer who enjoys designing robust automation systems, streamlining developer workflows, and making our build and test processes faster and more transparent.
Key Responsibilities:
Design, build, and maintain robust automation infrastructure and services that serve as the backbone of engineering operations.
Develop AI-driven tools and features that empower automation users and elevate developer workflows across the organization.
Enhance and extend existing automation services used by developers across.

We are looking for a Backend Developer to join our Smart Mobility R&D team at our company. This is a great opportunity for developers with around 2+ years of experience to grow professionally while working on large-scale production systems.You will work as part of a collaborative engineering team building scalable backend systems for smart mobility solutions, alongside Product, DevOps, and QA.
Responsibilities
Build and maintain backend services using Python and .NET on modern cloud platforms.
Take part in designing and developing scalable, production-grade backend systems.
Collaborate with Product, DevOps, QA and other engineers to deliver reliable solutions.
Write clean, maintainable and well-tested code, and participate in code reviews.
Use AI tools and agents to improve development workflows and productivity.

software engineer (.NET 8 & C ++) we are looking for a versatile software engineer to join our high-impact development team. This role is designed for a Developer who excels in the.NET 8 ecosystem but also possesses the systems-level expertise of C ++ You will be responsible for building high-performance, scalable solutions that bridge the gap between application-level logic and low-level performance. Core Responsibilities Architect & Develop: Design and implement end-to-end features using.NET 8 and EF Core, ensuring high performance and maintainability. Systems Programming: Maintain and optimize system -critical components written in C ++ Modern Web Apps: Build and scale structured web applications using ASP.NET Core MVC Code Excellence: Write clean, testable code and participate in architectural reviews to ensure system reliability. Technical Requirements Expert.NET 8: Deep proficiency in C # and the.NET 8 runtime, including the latest language features and performance improvements. 2+ years data & Web: Extensive experience with EF Core for complex data modeling and ASP.NET Core MVC 2+ years Strong C ++: Solid command of C ++, including memory management and performance optimization. 2+ years Software Design: Strong grasp of asynchronous programming, dependency injection, and SOLID principles. Preferred Skills (Good to Have) Cloud & DevOps : Experience with Docker Kubernetes (K8s), and containerization strategies. Infrastructure: Hands-on experience with AWS or Azure cloud services. Environment: Familiarity with developing and deploying on Linux OS Full Stack & Scripting: Experience with React for modern frontends and Python for automation or rapid prototyping.

Were looking for a Senior Backend Engineer to join our growing team.
Responsibilities:
Design and build scalable backend services and APIs that power open security platform.
Develop serverless architectures on AWS, focusing on reliability, performance, and scalability.
Collaborate closely with product and security teams to translate requirements into clean, effective technical solutions.
Own delivery end-to-end: architecture, implementation, automated testing, CI/CD, and production monitoring.
Champion best practices around code quality, documentation, observability, and security-by-design.
Contribute to technical discussions and share knowledge with teammates on backend architecture, cloud infrastructure, and development best practices.

We are looking for a Python Expert to join our growing team!
This is a great opportunity to be part of one of the fastest-growing infrastructure companies in history, an organization that is in the center of the hurricane being created by the revolution in artificial intelligence.
Requirements
Work in a team of top-of-the-line software engineers, developing state-of-the-art management systems for managing mission-critical enterprise-level data platforms.
Our management systems include:
A highly scalable platform featuring complex high-availability mechanisms, and advanced APIs, interoperable with a diverse software ecosystem.
A cutting-edge AI-based cloud-operated SaaS.
Location: Tel Aviv.

We seek a skilled and experienced .Net Developer to join our Server-Side team, which is currently developing both Cloud and On-Premises applications. In this role, you will play a crucial role in developing our next-generation system. Your responsibilities will include rewriting business logic from our legacy system, initially written in .Net Framework and C++, and migrating it to the new system using .Net Core. You will also design and develop new features from scratch.

Additionally, you will be responsible for developing a cloud-based application, encompassing everything from RESTful API development to creating comprehensive data solutions, including data collection, transformation, and monitoring systems.

Essential Duties and Responsibilities
Design and develop both gRPC and REST APIs.
Own complex features from concept through to production.
Review and provide constructive feedback on code written by team members.
Participate in design and architecture meetings to shape the future of our systems.
Apply excellent software design principles, debugging skills, and problem-solving abilities to produce high-quality code and comprehensive unit tests.
Demonstrate strong object-oriented design and coding skills and proficiency in Object-Oriented Programming and Design Patterns.
Independently solve problems and overcome technical challenges.
Stay updated on the latest trends, technologies, and best practices in backend development.
Communicate effectively and maintain excellent interpersonal relationships within the team.
Be a great team player who can work independently as needed.

We are looking for a Senior Developer to join our R&D team. Youll play a key role in designing and building the backend systems that power our medical applications, ensuring they are secure, scalable, and reliable.
Youll work closely with product managers, researchers, and other engineers to bring complex ideas to life and help shape the architecture behind real-world healthcare solutions.
Role & Responsibilities:
Design, build, and maintain backend services and APIs that power our core products.
Architect and implement scalable, secure, and high-performing solutions.
Work with relational databases to support product and business needs.
Collaborate with front-end, mobile, and research teams to deliver end-to-end features.
Write clean, well-documented, and thoroughly tested code.
Collaborate closely with the product and infrastructure teams to ensure smooth delivery.

we are looking for a Senior Backend Engineer.
As a Senior Backend Engineer, you will play a pivotal role in shaping the architecture and evolution of our backend services. You'll work in a dynamic, collaborative environment where innovation and creativity are encouraged.
Your responsibilities:
Architect, develop, and test cloud-native microservices, ensuring they meet our high standards of scalability and reliability.
Deeply engage with a range of tech stacks, showcasing your expertise beyond a single framework-particularly in AI technologies, LLM frameworks and cloud infrastructure, including containerized environments like Kubernetes and Docker.
Collaborate closely with cross-functional teams, including sales and customer success, to ensure our solutions are perfectly tailored to customer needs.
Grow a culture of continuous learning and improvement, mentoring team members and guiding their professional development.
Design and build systems with security at the forefront, understanding and applying key security concepts to protect our customers and their data.

We are seeking a highly skilled developer to join the Secure Protocols Inspection group, working in complex, challenging, and high-performance Linux environments.
Job Id: 24974
The team is responsible for the design and development of security-critical products and frameworks at the core of our HTTPS/TLS inspection capabilities.
In this role, you will work on core systems responsible for the real-time processing of large volumes of encrypted network traffic in production environments. You will take part in designing, implementing, and evolving secure communication and inspection technologies, addressing performance and security challenges across modern protocols and platforms. The work spans low-level kernel and user space, as well as backend and frontend components.
The position requires deep technical ownership, close collaboration with other R&D teams, and the ability to solve complex problems in large-scale production systems.
Why Join Us?
Hybrid Work Model: Enjoy the flexibility of working from the office and from home.
Impactful Work: Play a critical role in developing security solutions that protect organizations and individuals.
Growth Opportunities: Access to learning and development resources to advance your career.
Collaborative Environment: Work in a supportive team that values diverse perspectives and innovative ideas.
Key Responsibilities
4+ years of programming experience, at least 2 in C/C++
Develop and maintain high-performance Linux-based software.
Improve existing code for performance, security, and maintainability.
Collaborate in the design and development of next-generation security solutions.
Quickly learn and take ownership of existing projects, understanding their architecture and functionality.

our company, a publicly traded defense-tech company specializing in the development of advanced software systems for the intelligence and border protection domains,
is hiring Backend Developer for a newly formed team
focused on modernizing classified intelligence systems.
Job Description:
End-to-end development of complex systems using cutting-edge technologies.
Backend development in Python, utilizing PostgreSQL.
Working in a Microservices environment, including some client-side development.
Close collaboration with system, integration, and product teams.