לוח משרות דרושים Senior Backend Developer משרה מלאה

we are seeking a skilled Backend Developer to join our growing development team and
contribute to the creation of our next-generation cybersecurity product.

As a Senior Software Engineer, you will play a key role in developing and maintaining Nodes Access platform, including its applications, services, and underlying systems. Youll work with a modern backend tech stack, leveraging AI, microservices, databases, Kubernetes, Ansible, CI/CD, and more to build scalable and resilient solutions.
You will be responsible or:
Implementing an AI framework to manage and orchestrate a fleet of services and blockchain RPC nodes, and building AI agents for enhanced platform capabilities.
Implementing modern BE applications and infrastructure in a microservices architecture, utilizing common networking protocols, object-oriented design, and cutting-edge techniques - while leveraging work with AI Agents and Skills.
Establishing a modern CI/CD pipeline in a microservices architecture, using best practices, tools, and techniques.
Ensuring the robustness and maintainability of our BE services and the overall application.
Collaborating effectively with other developers, engineers and other roles, while also showcasing independent problem-solving abilities.
Demonstrating a strong command of the blockchains ecosystem in high-load scenarios while staying updated with the latest technologies and practices.
Dive deep into the latest blockchains, seamlessly incorporate them into our product, and become an expert in the fundamentals, protocols and features of the blockchains.
Ensuring that platform remains at the forefront of blockchain technology!

If you enjoy solving problems where security, scale, distributed systems, and adversarial thinking collide - this is your kind of challenge.
What Youll Do:
Youll collaborate with backend engineers, infrastructure teams and security and cryptography researchers to ship production-grade highly secure digital signing systems, balancing cryptographic rigor, performance constraints, and distributed reliability in a domain where small mistakes have massive consequences. This includes:
Architecting, designing and implementing distributed backend services responsible for key generation, storage and lifecycle management
Developing high-assurance signing protocols and signing flows (utilizing MPC or external signing devices)
Building secure backup and disaster recovery mechanisms for cryptographic material
Hardening systems against adversarial conditions and real-world attack vectors
Optimizing performance-critical components that execute complex operations

we are hiring a Senior Backend Engineer to join the Platform Team in Tel Aviv-Yafo, Israel.
The Platform Team is dedicated to developing mobile platform, delivering a reliable, fast, and secure experience for mobile users.
What Youll Do:
Lead the backend development of the new mobile application.
Design, implement, and maintain high-performance microservices that support low-latency and high-throughput operations.
Develop and optimize mobile API to ensure a seamless and scalable experience for our mobile users.
Collaborate with cross-functional teams to design systems that meet operational and business goals.
Research and implement cloud-native architectures to support ongoing growth and scalability.

We are looking for a Senior Backend Engineer to join our Legal Tech engineering team and help build the next generation of AI-driven litigation ecosystem. This role combines top-tier backend engineering, cloud architecture, and cutting-edge LLM/AI innovation.

Youll build high-scale, secure, multi-tenant services that turn our real-time transcription engine into AI-powered workflows and assistants used by legal teams. The role offers real ownership and chances to lead initiatives, while giving you space to grow your skills in AI development and modern dev-AI tools-all within a supportive, collaborative team.

This is a role for heart-and-soul players with passion, curiosity, and a desire to build something meaningful as part of a strong and mission-driven team.

Required Senior Java Backend developer
We are looking for an exceptional and passionate Back-End Developer to join our team. This role involves designing and implementing the backbone infrastructure and APIs for our applications, ensuring a great user experience.
Responsibilities:
Be responsible for the products architecture and maintain its performance in challenging circumstances
Maintain high standards of software quality by establishing best practices
Collaborate with various stakeholders to plan, design, develop, test and maintain extraordinary features
Translating requirements into high-quality code
Seeing through a project from conception to finished product
Collaborating with a team of skilled developers to develop high-traffic, cloud-based applications
Participating in code reviews to maintain code quality and sharing best practices with the team
Provide guidance and mentorship to junior developers, promoting continuous learning and improvement within the team.

Required PHP Backend Software Engineer
Location: Tel Aviv, Israel
About the opportunity:
As a backend software engineer, youll become a valuable member of an innovative and fast-growing department, working in a truly Agile environment. You will build FinTech products that help our clients as well as our internal departments to expand our ecosystem and make an impact on our business daily.
We believe that developers should take full ownership of their work: from the initial feature planning phase alongside Product and Design; choosing the right technologies, designing the code and architecture; coding; PRing; and all the way to actual deployment in CI/CD environment, as well as post-deployment monitoring. It is all your responsibility.
Whether you enjoy writing complex business logic in the backend, take pleasure in writing clean and high-quality code, or tweaking infrastructure to perform well at scale, we encourage you to get your hands dirty end-to-end.
Collaborate with the rest of the engineering and product managers teams to design and launch new features end-to-end.
Our Stack:
PHP 7, Laravel, MariaDB, AWS, RabbitMQ, Docker, Elasticsearch, Redis, Linux.

An AI startup is looking for a Software Engineer / Architect for a senior role focused on leading backend architecture and designing complex systems at a critical pre-launch stage.

This position includes broad ownership over infrastructure, scalability, and implementing an AI-first engineering mindset across the product and organization.



Responsibilities:

Lead backend architecture and system design
Design services, APIs, and data flows for an AI product
Build scalable, reliable, production-ready systems
Lead AI-first development best practices
Work closely with the founders on the technical roadmap
Improve engineering processes, performance, and system design
Own product infrastructure in preparation for significant scale

A leading cybersecurity startup, is looking for a Senior Backend Engineer to join its growing R&D team. In this role, you will design and build scalable, high-performance backend services for the next generation of the company's security platform, aligning technical solutions with business needs. The stack includes Java, Go, and React, and transitioning to a SaaS, multi-tenant Micro-services architecture.



Responsibilities

Design and develop scalable, high-performance backend services using Java and Go
Build and evolve a multi-tenant, cloud-native architecture
Work closely with Product, Frontend, Backend, and QA teams
Contribute to architectural decisions, performance goals, and engineering best practices
Mentor team members and collaborate in a fast-paced, innovative environment

were shaping the future of secure software development. If you're looking for an exciting opportunity to make a significant impact and grow with a passionate team, Apiiro is the place to be.
Your Role: Drive, Build, and Shape:
Build Scalable Solutions: Develop a robust, scalable system using a mix of languages, frameworks, and machine learning models. Youll take full ownership of features, guiding them from idea to live product.
Customer-Centric Development: Collaborate directly with customers to understand their needs and integrate valuable insights into your work.
Cross-Disciplinary Innovation: Engage in initiatives across various tech domains - from DevOps and infrastructure to data engineering and full-stack development - expanding your impact company-wide.

A defense-tech startup, building an AI-powered autonomous systems that connect cameras, sensors, and natural-language interfaces, is looking for a Senior Back End Engineer, with AI \ Computer Vision expertise. In this role, youll be one of our first engineers. Youll shape architecture, set engineering standards, and lead the development of real-time, AI-first features for high-stakes.

Join a global B2B company developing cutting-edge optimization software for the food and delivery industry.



What Youll Do:

Build scalable backend systems for cloud and on-premise environments.
Own features end-to-end: design, implementation, testing, and deployment.
Develop high-performance code for systems running worldwide, often on legacy hardware.
Collaborate with cross-functional teams (Frontend, Product, QA, DevOps).
Innovate under real-world constraints with performance and stability in mind.
Work independently while driving backend best practices.

We are looking for a Senior Backend Engineer to join our R&D team in developing the new rising product in the health landscape.

As a Senior Backend Engineer, you will have an impact on how we architect, build, scale, and maintain our backend systems. You will provide technical guidance and mentorship to other engineers on the team, help establish and maintain best practices for development, and participate in the development of the companys technological roadmap. Youll solve complex engineering challenges and drive engineering excellence in a dynamic environment and rapidly increasing scale.

Our ideal candidate has a real passion for making a positive change in the world, for technology and customers, has great communication skills, and loves to constantly improve themselves, our working practices, and our code base.

This is a great opportunity to join the core team of a growing, successful startup and work with the most advanced technologies.

Responsibilities
Lead/Participate in system design and architecture discussions.
Implement and own infrastructure and features; be involved and impact the entire product lifecycle (concept, design, test, release, and production support).
Teach, mentor, grow, and provide advice to other domain experts and individual contributors.
Acquire an in-depth understanding of our technical challenges and strive to improve them.
Play a central role in technical, business, and organizational contributions.
Be a vocal advocate for technical excellence and help the team members make sound decisions.
Work with product managers, data scientists, and other team members to understand the desired requirements and provide your feedback to improve the outcome of the feature.

We are looking for an sharp-minded Senior Backend Developer to join our Growth Team.
In this role, you will lead complex backend projects within a highly strategic core team responsible for our Paid Subscriptions, loyalty and coupon packages used by millions of users -directly impacting our revenue and supporting our mission to become Israels leading smart mobility app.
Partner closely with the Team Lead, supporting team responsibilities such as code reviews, mentoring engineers, and upholding high engineering standards.
Responsibilities
Lead complex backend projects from functional spec, through writing detailed technical documentation, architecture, development, and deployment.
Design, develop, and maintain scalable backend systems in production environments
Build and manage cloud-native, microservices-based architectures (AWS) and distributed systems .
Work with a variety of data storage technologies
Collaborate with cross-functional teams including product, DevOps, and frontend
Build and manage frontend components (Angular) as needed
Communicate complex technical topics clearly to non-technical stakeholders
Actively leverage AI tools (e.g., Cursor, Claude Code, etc.) to accelerate development and improve engineering productivity.
Build reusable AI sub-agents, skills, and templates to streamline development workflows.
Main Tech Stack: Python, .net core, AWS, DynamoDB, MongoDB, PostgreSQL, SQL Server and more.

We're looking for a Senior Backend Developer for our Core Services team for a multi-platform role and challenging role!
In this role, you will design, develop, and maintain scalable backend microservices serving millions of daily users and build AI agentic flows E2E from prompt engineering and tool orchestration through deployment and evaluation.
Responsibilities
Own complex backend projects end-to-end in a high scale, consumer-facing domain: from functional spec through architecture, choosing DB and technologies, design patterns, development, deployment and production monitoring.
Working in a main, cross-functional domain at our company R&D using Python, .NET Core, Node.js.
Build and manage cloud-native, event-driven architectures on AWS and distributed systems.
Design and build reusable AI-Driven components (e.g, sub-agents, skills, and templates) to streamline workflows and improve system efficiency, leveraging modern AI tools and technologies.
Collaborate with cross-functional teams including Product, DevOps, Mobile, and QA.