לוח משרות דרושים Senior Backend Developer, לחיפוש זה נמצאו 139 משרות

we are looking for a Senior Backend Engineer- Data Platform.
Be responsible to build and maintain state of the art Infrastructure to support Security vastly growing SaaS services. Build a resilient, scalable data-rich infrastructure that provides key functionality to tens of millions of users daily as well as our business stakeholders. As we see data to be core to our success, and inherent in every SaaS offering we provide, we are looking to reinforce our Infrastructure software engineering skills and grow our expertise in this field with emphasis on open-source tools and self development.
What youll do:
Building a state-of-the-art resilient infrastructure that comprises of micro-services as well as reusable frontend and backend components.
Provide architectural solutions for complex code issues.
Accommodate diverse and evolving requirements from internal teams as well as customers through designing future-friendly APIs and software components.

Were looking for a Senior Software Engineer to join the AZ Team in Tel Aviv - a group of passionate developers building the secure, scalable backbone of our Customer Experience (CX) Platform.
Our CX organization is one of the companys fastest-growing and most innovative groups, crafting a first-in-class digital experience for our customers and partners everywhere they connect with us. The CX Platform supports diverse business requirements using emerging technologies, including predictive and generative AI, to drive customer success and accelerate time to value.
Were at the epicenter of developing modern, cloud-native technologies that keep us agile and adaptable in a constantly evolving market. The AZ Team does it from A to Z - for developers, by developers. We own everything from user management, authentication, and authorization to the data consumption layer that enables developers to build securely and efficiently. Our mission is to deliver seamless, scalable, and developer-friendly foundations that make it easy to create, connect, and innovate - ensuring that every part of the platform, from login to data insights, just works.
Your Impact
As a key member of the AZ Team, youll play a pivotal role in shaping the foundations of our CX Platform - driving features and architectural decisions from concept to production-grade solutions. Youll design and build secure, scalable systems for user management, authentication, authorization, and data access that serve thousands of developers across.
You will:
Design, develop, and build platform-wide authentication and authorization services, creating a cohesive identity fabric that integrates seamlessly with multiple identity vendors and systems.
Lead the evolution of the data consumption layer, enabling governed, efficient, and context-aware access to data across the CX ecosystem.
Drive architectural decisions from concept to production, ensuring solutions are secure, scalable, and optimized for both developer experience and operational excellence.
Leverage AI and automation to enhance access control, anomaly detection, and developer productivity - turning complex platform insights into actionable intelligence.
Collaborate cross-functionally with product, data, and infrastructure teams to build interoperable solutions that power our next-generation developer platform.
Influence platform-wide engineering standards, promoting robust design, observability, and maintainability across services.
Champion developer experience, crafting APIs, SDKs, and tools that simplify integration and accelerate innovation.
Mentor and guide engineers, fostering a culture of technical depth, curiosity, and impact-driven innovation.

We're looking for a Backend Developer ready to join our journey transforming the cybersecurity breach readiness and response market.

Why us?

we preemptively detect and stop attacks before damage is done .we move your security beyond configuration-focused prevention. In todays cloud-first, AI-driven world, attackers inevitably get in. we promptly stop them.Our platform connects Cloud, SaaS, AI, and Identity into one panoramic forensic system that gives SecOps total awareness, attack decoding, and autonomous containment. The result: attacks stop mid-flight, investigations are instant, and impact disappears. We replace the false promise of zero breach with a promise we can keep - Zero Impact.

When attackers get in, we ensure they get nothing..

What You'll Do

You'll be responsible for building our cutting-edge solutions while working with a broad range of technologies, disciplines, and cyber-defense-related applications. You'll contribute to the company's evolving culture, bring innovative approaches, and learn from talented colleagues.

We're looking for individuals eager to join a growing startup and take on profound challenges- team players dedicated to the success of the group and excited to shape the company's future.

Were looking for a Senior Backend Engineer to join our core engineering group and build the systems behind one of the worlds largest location-analytics platforms.

In this role, youll work on backend services that process and serve billions of data points, power ML-driven insights, and operate at high scale and high reliability. If youre motivated by hard technical challenges, modern infrastructure, and collaborating with strong engineers, this role is built for you.


RESPONSIBILITIES:
Design, build, and evolve large-scale, distributed backend systems that power our data and AI products.
Own services end-to-end - from architecture and design to production, monitoring, and continuous improvement.
Drive performance, scalability, and reliability, using data and metrics to guide decisions.
Build infrastructure and data pipelines that support machine-learning, analytics, and real-time use cases.
Partner closely with Product, Data Science, and Analytics to turn complex data into impactful product features.
Raise the engineering bar through code reviews, design discussions, and technical mentorship.

As a Backend Engineer at Teads, you won't just be writing code; you will be solving complex technical puzzles at a massive scale. We operate in a very high-traffic environment.
You will tackle challenges involving big data, predictive AI, and high-performance architecture. within a systems that handle 2.2 billion users per month and process 100 billion events per day.
Team Overview
The Display SSP team is vital to Teads' monetization, managing the high-scale, low latency infrastructure for real-time native and display ad auctions. This core team connects publisher inventory with various demand sources - Teads' DSP, programmatic exchanges, and third parties - while ensuring supply quality and supporting multi-format ads within an expanding ecosystem.
About the Opportunity
We are seeking a talented Senior Backend Engineer to join the team responsible for one of Teads' most critical, revenue-driving platforms.
In this role, you will design and optimize the real-time auction logic that determines how publisher inventory is monetized, working on systems that process billions of ad requests daily.
You will have a direct impact on the platform's success by building scalable demand integrations, improving auction efficiency, and ensuring supply quality.
What will you do?
As a Senior Backend Engineer your mission will be to:
Collaborate with software engineers, data scientists and dev ops to research, develop, and deploy experiments, features and enhancements with a high impact on our serving infrastructure.
Create, design, develop, test, and monitor your code in production autonomously and reliably.
Work with the Engineering Manager, Product Manager and other teams to frame projects and be accountable for their execution.
Obtain a good understanding of the business to provide relevant solutions to clients.
Be a work facilitator and help communication inside and outside Teads.
Stay up-to-date on new technologies and architectures. If they can solve a problem Teads has, propose ways to implement them into our current software engineering process.

Were looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business, and we enable every team member, regardless of role or level, to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomes.
As a Senior Back-end engineer you will be building our companys next-generation cloud-based security platform and are looking for a strong backend software engineer. Youll enjoy building systems from the ground up, working hands-on in complex, large-scale environments, and taking ownership to drive solutions forward.
What will you do?
The Collection team leads projects that directly impact the company's bottom line, focusing on areas such as remote operations, EDR, and XDR. Our initiatives start from concepts and evolve into products deployed across millions of endpoints and servers
This multidisciplinary team comprises experts in backend, frontend, and endpoint technologies (Windows, Linux, Mac), enabling us to independently ideate, develop, and deliver solutions at scale.
As a Senior Backend Engineer, you will implement innovative projects from inception to implementation, shaping the architecture, design, and development of new modules within our comprehensive security platform. Operating across multiple strategic product lines, youll have a direct and visible impact on the success of key company initiatives.

Were looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business, and we enable every team member, regardless of role or level, to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomes.
As a Senior Back-End Engineer, you will be tasked with building backend infrastructure for a new AISPM product, focused on monitoring AI assets, assessing risks, and delivering actionable insights. You will work in a fast-paced, innovative environment that requires agility, adaptability, and continuous iteration. Your work will also include enforcing security policies and ensuring safe, compliant AI deployment while contributing to the future of cybersecurity.
What Will You Do?
Primary responsibilities include:
Design, develop, and maintain scalable server-side applications and APIs.
Implement and optimize database schemas, queries, and data storage solutions.
Collaborate with frontend developers to integrate user-facing elements with server-side logic.
Participate in code reviews and contribute to architectural decisions.
Troubleshoot, debug, and upgrade existing systems.
Implement security and data protection measures.
Work with cloud services (e.g. AWS, Azure, or GCP) to deploy and manage backend services.
Contribute to the development of microservices architecture.
Stay updated with emerging backend technologies and industry best practices.

We are looking for an experienced Fullstack Tech lead, to further develop the platform. You will join one of our Fullstack teams and help the teams build a product that customers love and use on a daily basis, a product that is fun to use, fast, reliable and scalable. The product has a broad amount of features and serves more than 1.5M active users, leading to many product and engineering challenges.
A Tech Lead is a hands-on engineer who leads by example, bridges the gap between strategy and execution, and strengthens the effectiveness of their team. This role is distinct from that of a Senior Developer through a clear set of responsibilities that focus not just on individual excellence but on team-level technical leadership, decision-making, and operational maturity.
Key Responsibilities:
Lead complex projects, own technical roadmap and architecture decisions
Actively contribute high-quality code to critical areas, set standards for the team
Drive tech standards, lead testing coverage, monitor KPIs, ensure excellence before shipping
Own platform stability, lead major incidents, drive root cause analysis and action items
Coach team through code reviews, technical sessions, and content; be the go-to technical expert
Lead the teams technical roadmap
Conduct technical interviews, run onboarding, represent team in cross-functional forums

We are seeking a Senior Backend Engineer to join the Sightline detection engineering team. You will design, build, and operate high-scale, low-latency backend services that score and protect web and API traffic against automated abuse, working at the core of our real-time detection platform.

What youll do:

High-Scale Engineering: Design, build, and maintain distributed, high-throughput backend services processing hundreds of thousands of requests per second with strict tens-of-milliseconds latency targets.

End-to-End Ownership: Own services from architecture and implementation to deployment and reliability. This includes full-stack instrumentation (monitoring, alerting, and tracing) to detect and mitigate production issues.

Product Innovation: Implement and evolve real-time detection and decisioning flows within the Sightline Cyberfraud Defense platform, collaborating with security researchers, data science, and product teams.

Cloud-Native Operations: Build and operate services in a Kubernetes environment using a modern GitOps stack (Go, Kafka, Redis, MongoDB, BigQuery, ArgoCD, Pulumi, Crossplane), ensuring robust rollout strategies and safe migrations.

AI-Forward Engineering: Demonstrate a deep passion for the AI-first development frontier and an expert-level ability to leverage assistants and agents to radically accelerate the entire lifecycle - from architectural scaffolding to automated tasks, skills, and complex debugging/testing.

Cross-Functional Collaboration: Partner with adjacent teams to design end-to-end flows that balance security, performance, and customer experience.

Technical Leadership: Contribute to technical design reviews and code reviews, raising the bar for quality and operational excellence across the team.

We are looking for a backend engineer who can design, build, and operate highly reliable Node.js services on AWS that enable generative‑AI capabilities across our products and internal workflows.
You will create scalable APIs, data pipelines, and serverless architectures that integrate large‑language‑model (LLM) services such as Amazon Bedrock, OpenAI, and open‑source models, enabling teams to safely and efficiently leverage generative AI.
Who You Are:
You have experience building Retrieval‑Augmented Generation (RAG) systems or knowledge‑base chatbots.
You're Hands‑on with vector databases such as Pinecone, Chroma, or pgvector on Postgres/Aurora.
Have AWS certification (Developer, Solutions Architect, or Machine Learning Specialty).
Experience with observability tooling (Datadog, New Relic) and cost‑optimization strategies for AI workloads.
Background in microservices, domain‑driven design, or event‑sourcing patterns.
What Youll Actually Be Doing
Design and implement REST/GraphQL APIs in Node.js/TypeScript to serve generative‑AI features such as chat, summarization, and content generation.
Build and maintain AWS‑native architectures using Lambda, API Gateway, ECS/Fargate, DynamoDB, S3, and Step Functions.
Integrate and orchestrate LLM services (Amazon Bedrock, OpenAI, self‑hosted models) and vector databases (Amazon Aurora pgvector, Pinecone, Chroma) to power Retrieval‑Augmented Generation (RAG) pipelines.
Create secure, observable, and cost‑efficient infrastructure as code (CDK/Terraform) and automate CI/CD with GitHub Actions or AWS CodePipeline.
Implement monitoring, tracing, and logging (CloudWatch, X‑Ray, OpenTelemetry) to track latency, cost, and output quality of AI endpoints.
Collaborate with ML engineers, product managers, and front‑end teams in agile sprints; participate in design reviews and knowledge‑sharing sessions.
Establish best practices for prompt engineering, model evaluation, and data governance to ensure responsible AI usage.

Were looking for a skilled and curious Back End Developer to join our growing engineering team. In this role, you'll architect and build reliable, scalable services that power mission-critical fintech products - from payments and lending to compliance and blockchain.
You'll collaborate closely with product, DevOps, and front-end engineers to design robust APIs, implement clean data flows, and solve complex performance challenges.
Your work will shape how money moves securely across our infrastructure and directly support millions of users. This is a great opportunity to drive meaningful impact while learning and growing within a highly supportive and technical team.
What Youll Actually Be Doing:
Design, develop, and deliver scalable software modules and components
Build backend systems using .NET, DotNet 6.0, SQL Server, RabbitMQ, Docker and AWS
Plan, triage, and prioritize work across multiple priorities
Share your knowledge with teammates and help mentor and guide partners

We seek a skilled Senior Infra Backend Engineer to join our R&D office in Tel Aviv, working in a hybrid and flexible model.
Youll collaborate with a top-tier R&D team and take your professional growth to the next level. Our backend infra teams work mainly with Python and Go, but we welcome talented backend engineers from any language background.


Key Responsibilities

Design and build scalable pipelines processing billions of events daily.

Dive deep into infra technologies and optimize them at scale.

Lead major efforts from idea initiation → design → implementation.

Tackle complex challenges in scalable architecture within our AWS environment.

Integrate and leverage top industry technologies such as Kafka, Iceberg, DynamoDB, Postgres, EMR, Kubernetes, Druid, Snowflake, and more.

Were seeking an exceptional Senior Backend Engineer to join our Platform team. This team is at the heart of what we do- building the tools and infrastructure that enable to scale rapidly while maintaining the quality and reliability our users depend on.

Responsibilities

End-to-End Ownership: Lead projects from design through production, taking responsibility for technical decisions and their outcomes
Platform Architecture: Design and evolve scalable backend systems that power our core products
Infrastructure & Reliability: Build robust, high-performance APIs and services that handle production workloads at scale
Developer Experience: Create internal tools and frameworks that accelerate development across the organization
Technical Leadership: Drive architectural discussions, mentor team members, and raise the bar for engineering quality

We are actively seeking a highly skilled Senior Software Engineer to join our dynamic team. This role is pivotal for a professional who specializes in designing and building scalable, cloud-native, multi-tenant SaaS infrastructure and backend systems.
Your primary responsibility will be to architect and develop robust backend services, high-throughput data pipelines, and scalable microservices. While your core focus will be on the backend and cloud infrastructure, you will take ownership of the full feature lifecycle-which includes a strong willingness to develop and maintain clear, efficient client-side interfaces to deliver complete end-to-end solutions.
Responsibilities:
End-to-End Ownership: You will take full ownership of the software lifecycle-from architectural design and backend coding to automated deployment and production monitoring. You will champion a 'You Build It, You Run It' culture, ensuring the high availability and observability of our multi-tenant SaaS environment.
Backend & Infrastructure Focus: Design and implement high-performance backend tasks, robust infrastructure, and high-throughput Backend-for-Frontend (BFF) layers utilizing both REST and gRPC protocols to process real-time sensor data and telemetry.
Full-Stack Delivery: Seamlessly transition to front-end development (React) when required, ensuring the backend infrastructure connects smoothly to a streamlined and user-friendly web client.
Automation & CI/CD: Drive feature delivery using Agile methodologies, replacing manual handovers with automated CI/CD pipelines that ensure seamless integration and validation from development to production.

We are seeking a highly skilled Senior Backend Engineer to join our expanding DatAdvantage Cloud team.
Suppose you have strong programming expertise, experience building large-scale cloud systems, a passion for developing applications using AI-driven tools, and enthusiasm to transform platform into a scalable, resilient powerhouse serving multiple applications and customers worldwide. In that case, wed love to meet you.
Responsibilities
Lead and participate in the full application lifecycle - from product requirements through architecture, coding, and monitoring.
Develop clean, maintainable code for large-scale, functional applications.
Troubleshoot and debug complex applications.
Leverage cutting-edge technologies, including AI tools, to modernize and enhance applications.
Constantly thrive to improve existing platform and applications
Design and build scalable, resistant and fault-tolerant cloud services.