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

As a Senior Backend Engineer, youll be instrumental in building and optimizing our core infrastructure for managing RTB requests at scale, one of the biggest revenue driven operations in the company.
To thrive in this role, youll need:
5+ years programming experience in Java or equivalent Object-Oriented language
(preferably Java 8+Spring)
Production systems understanding (system architecture of web products)
Fearlessness to dive into what you dont know
Passion for solving problems, and working very close to the business
Experience with SQL and No-SQL
BSc in computer science or equivalent
Willing to work intensively to gain fast results in an unknown field
Product driven
A pragmatic attitude toward decision-making (avoiding analysis paralysis)
Strong analytical skills
How youll make an impact:
As a Senior Backend Engineer, youll bring value by:
Develop one of the largest real time big data operation in the world to support over 40TB of new data every day
Have end to end ownership: Design, build, ship, measure and maintain our frontend and backend services
Collaborate with the brightest software engineers team members
Influence directly on the way billions of people discover the internet
Develop at unimaginable scale, serving hundreds of thousands of requests per second
Work on innovative projects that are the next growth engines for our company
Here are some of the things software developers in our group did in the last several months:
A unique data pipeline for managing RTB requests at scale
An algorithmic model to predict if a given Real-Time impression is valuable to our company
A smart gateway that ingests hundreds of thousands of requests per second for a single instance
An A/B tests system to explore variations and experiments
And many more.

Required Staff Backend Engineer
Tel Aviv
As a Staff Backend Engineer, you will play a pivotal role in revolutionizing how companies understand their customer interactions. You will be instrumental in designing and leading the development of scalable systems, working with cutting-edge technologies, and collaborating with cross-functional teams across the organization to solve high-impact problems.
Youll Own:
Technical Strategy & Architecture: Driving the architectural vision for complex systems, ensuring they remain scalable, reliable, and maintainable as we grow.
Core Backend Infrastructure: Designing and implementing high-performance services and APIs using Java, Spring Boot, and modern cloud technologies.
Technology Exploration: Researching and integrating emerging technologies, including AI/ML capabilities and advanced APIs, into our current stack.
Youll Solve:
System Scalability: Tackling the challenges of high-performance backend design.
Complex Cross-Functional Alignment: Bridging the gap between Product, GTM, and R&D groups to develop tailored solutions that satisfy both internal and external stakeholders.
Architectural Debt: Making critical decisions that prevent bottlenecks and ensure the long-term health of our distributed systems.
Youll Impact:
Team Technical Bar: Elevating the engineering organization through direct mentorship and by setting high-level standards for best practices.
Innovation Velocity: Leading the charge in adopting new methodologies and AI capabilities that keep our product at the cutting edge.
Strategic Growth: Directly influencing the company's ability to scale by building the foundational services that power our most complex product initiatives.
We operate in a flexible hybrid work model.

We're looking for engineers who are passionate about observability and skilled in Go to join our team and help develop modern observability solutions. In this role, you will support and lead the technical direction for using in our customer environments. You will be responsible for being an active member of the community, such as attending SIGs and contributing to and maintaining various components, tools, and specifications within the ecosystem. Your expertise will help ensure robust and scalable solutions for our clients.

Required Senior Backend Engineer
As a Senior Backend Engineer, you'll dive into complex technical challenges, craft innovative solutions, and play a pivotal role in our mission to revolutionize the way companies understand their customer interactions. We're seeking a Java professional who can leverage their deep knowledge to drive our backend development to new heights.
Youll Own:
System Architecture: Leading the design and implementation of complex, scalable, and high-performance backend services and APIs.
Feature Lifecycle: Taking end-to-end ownership of major product initiatives, from initial design to coordinating delivery across Backend, Frontend, and Product teams.
Engineering Standards: Establishing and driving team-level best practices for code quality, testing strategies, and CI/CD processes.
Youll Solve:
Technical Complexity: Analyzing and debugging intricate challenges across the stack to ensure long-term system reliability.
Cross-Functional Friction: Managing risks and coordinating dependencies between multiple teams to ensure seamless feature delivery.
Scalability Bottlenecks: Implementing preventive measures and high-performance solutions to keep services running smoothly under load.
Youll Impact:
System Integrity: Building the foundation for high-performance services that directly affect the stability and speed of the entire product.
Operational Excellence: Elevating the team's technical bar through the implementation of robust CI/CD and quality processes.
Strategic Delivery: Shaping how major initiatives are executed, ensuring technical excellence is balanced with business milestones.
We operate in a flexible hybrid work model.

Were looking for an experienced Data Engineer to join our DEX Platform and help drive the next stage of our growth. In this role, youll design, build, and scale data infrastructure and advanced processing pipelines that power real-time insights and intelligent automation across our platform.
As a senior data engineer, youll own the full service lifecycle-from architecture and development to deployment, monitoring, and scaling-while ensuring data quality, reliability, and compliance. Youll work closely with backend, AI, and data teams to deliver robust, production-ready systems that support our AI-first strategy and our mission to make the workplace run itself.

We're building our company's Cyber Threat Intelligence platform - an AI-first product that harvests, contextualizes, and serves threat intelligence at scale. We're looking for a Python-native backend engineer to own the infrastructure that makes this possible.
You'll design and build the systems that power both agentic AI workloads and large-scale data orchestration - exposing CTI insights as a service to UI components, APIs, and autonomous agents across the company ecosystem. This is a greenfield opportunity where you'll shape foundational architecture decisions on a new product with a small, high-impact team.
Responsibilities
Build the tooling and infrastructure that enables AI agents to consume and reason over threat data.
Develop systems that harvest data from open and dark web sources, cross-reference signals, and contextualize raw intelligence into actionable insights.
Serve curated CTI data to various consumers - dashboards, internal services, and other agents in the company platform.
Instrument complex workflows with tracing and metrics - when things break in production, we need visibility to understand why.
Design and scale agent-based systems along with robust evaluation frameworks.
Instrument complex workflows with tracing and metrics - when things break in production, we need visibility to understand why.
Create developer tooling and experiences that make the platform usable for other engineers building on top of it.

We are seeking an experienced and passionate Senior Full-stack Software Engineer to join our dynamic team. In this role, you will support the development effort of a full-stack team and guide and mentor the other team members. The ideal candidate combines strong technical expertise in modern frontend frameworks with solid backend knowledge, enabling you to guide the team end-to-end. You will play a key role in driving team velocity, fostering best practices, and delivering reliable, scalable, and user-centric applications.
Responsibilities:
Guide the team in building scalable, reliable applications using cloud infrastructure.
Share knowledge and best practices across the R&D department.
Support backend development efforts in Golang and Node.js
Support frontend development efforts with React & TypeScript
Drive continuous improvement in team velocity and delivery quality.
Coordinate with cross-functional teams to align development efforts.
Partner with product managers, designers, and backend/core teams to deliver seamless user experiences.
Contribute to company-wide technical initiatives.
Collaborate on design and implementation of new features and services.

As Senior Backend Developer at Clinch, you will play a crucial role in developing, maintaining, and optimizing our backend services. You will work closely with our front-end developers, DevOps team, and other stakeholders to ensure our applications are robust, scalable, and performant.

Your primary focus will be on developing backend services using C# on a Linux environment within the AWS cloud infrastructure, with MySQL as the database.

Key Responsibilities:

Design, develop, and maintain backend services and APIs using C# on Linux.
Optimize and refactor existing code to improve performance, reliability, and maintainability.
Implement and manage database solutions using MySQL, Clickhouse, Athena, Aerospike and ElasticSearch.
Collaborate with front-end developers to integrate user-facing elements with server-side logic.
Work closely with the DevOps team to ensure seamless deployment and continuous integration/continuous deployment (CI/CD) processes.
Write clean, maintainable, and testable code, adhering to industry best practices.
Troubleshoot and resolve issues in a timely manner, ensuring minimal disruption to operations.
Participate in code reviews, providing constructive feedback to peers.
Stay updated with emerging technologies and industry trends to ensure our technology stack remains current and effective.

We are looking for a Senior C / C ++ backend Engineer to join our backend team. In this role, you will work on server side C / C ++ systems used in credit card payment processing in Israel. The work includes development and maintenance of existing production systems, implementation of new backend components, performance and stability improvements, and investigation of production issues. This role is suited for an experienced engineer who is comfortable working with complex long-running codebases, multi-threaded systems, and environments where correctness, availability, and predictable behavior are important.
What youll do:
* Develop and maintain C / C ++ backend components used in payment processing flows.
* Design and implement changes in complex existing systems.
* Improve performance, memory usage, latency, and system stability.
* Investigate production issues, analyze root causes, and implement fixes.
* Participate in technical design discussions and code reviews.
* Work closely with infrastructure, operations, and product teams.

What You'll Do:

Your Mission. Design, develop, and execute features from concept to production that will have a huge business impact on the core products.
High Impact. Ramp up the technical level of your team and cross-backend engineers, raising the overall engineering quality across the organization.
Own your mission. Develop high-priority projects that contribute to making products the most scalable, high-velocity solutions on the market.
Lead. As part of a team developing a complex micro-services backend architecture, you'll work with the team and lead us towards solutions for large-scale challenges.
Dream Team. You'll join an agile dev squad of engineers who are all highly talented, very collaborative and excited to hear your opinion.
You will report to the Engineering Team Lead.

As a Senior Backend Engineer, you will design and implement backend services, lead architectural decisions, collaborate with cross-functional teams, and mentor junior developers. You will take ownership of complex tasks, manage project flows within your squad, and bring strong technical opinions and architectural insights.

The role requires excellent multitasking skills, strong context-switching ability, and a proactive, mission-driven mindset.

Responsibilities

Design, develop, and maintain scalable backend services and microservices.
Lead and participate in architectural planning, proposing high-quality solutions and improvements.
Work closely with product, frontend, DevOps, and data teams to deliver end-to-end features.
Break down complex tasks, manage project execution within the team, and ensure on-time delivery.
Mentor junior engineers and support onboarding of new team members.
Write clean, maintainable, well-tested code following industry best practices.
Develop integrations with various internal and external systems using diverse interface protocols.
Maintain ownership of features from design through deployment and ongoing operation.

Required Senior Backend Engineer - Identity & Security Platform
Why this role matters:
Authentication and identity are the front door to every product - and the Cerberus team is the engineering team that keeps that door secure, reliable, and scalable for hundreds of thousands of business users worldwide. Sitting at the heart of the Business Communications and Contact Center platforms, we own the full identity stack - OAuth 2.0 / OIDC, SSO, MFA, SCIM, RBAC/ABAC, fraud detection, and more - processing hundreds of thousands of requests per minute in production. This is not a supporting role; it is core infrastructure where a single decision can affect the security and availability of our entire product suite. As a Software Engineer joining a team of 6 senior engineers, you will take end-to-end ownership of mission-critical microservices, contribute to the modernization of the VCC identity platform, and help shape the technical direction of a fast-moving, security-first team - with real impact visible at scale from day one.
Your key responsibilities:
Design, develop, and maintain authentication and authorization microservices (backend-heavy, full-stack) serving the VBC and VCC platforms
Take full ownership of features end-to-end - from requirement kick-off and solution design through implementation, code review, testing, production deployment, and post-deploy monitoring
Participate actively in Agile ceremonies - daily stand-ups, sprint planning, retrospectives, and design discussions - contributing concrete technical insights and surfacing risks early
Manage production deployments using CI/CD pipelines (GitHub Actions / Bolt), including smoke tests, E2E test execution, log analysis (Kibana / Grafana), and incident response
Implement and maintain security-critical flows including OAuth 2.0, OIDC, SAML 2.0, JWT, MFA, passkey/FIDO, SCIM, and inter-service authentication patterns
Write and maintain technical documentation - architecture decision records, playbooks, runbooks, and knowledge-transfer materials
Participate in on-call rotation (OpsGenie), responding to production alerts, investigating issues, and driving root cause analysis
Leverage AI-assisted development tools (e.g., GitHub Copilot, Claude Code) to enhance personal productivity, code quality, and delivery speed.

Required Senior Backend Engineer
Job responsibilities
What will you do?
As a Backend Engineer on the team, youll have a key role in developing our product and its unique features, working closely with our Product team. You should be passionate about software engineering and building a product end-to-end and will be responsible for owning the dev cycle from the technical design, through coding and testing, to deployment and monitoring. We work in a true continuous delivery environment with fully automated QA processes on a microservices architecture, deploying to production dozens of times every day.

In this role, you will lead a team responsible for building and scaling mission critical backend services that power intelligence platform handling large volumes of data, complex pipelines and high-availability systems. You will combine people leadership with hands-on technical leadership, working closely with product, research and operations to deliver reliable, scalable solutions that directly support the companys growth and business goals.

What Youll Be Doing

Lead and grow a backend engineering team, creating a culture of ownership, quality, and continuous improvement.
Own the design, development, and delivery of backend services, APIs and data pipelines in a cloud-native, microservices-based environment.
Work closely with Product, Research, and Operations to translate business and intelligence needs into scalable technical solutions.
Drive technical and architectural decisions within your domain, balancing performance, reliability, and cost.
Maintain high engineering standards through code reviews, testing, and CI/CD best practices.
Be hands-on in the code (around 50-60%), leading by example.
Take full ownership of your teams roadmap, delivery, and technical health.
Technology stack includes: C#, NestJS, Kubernetes, Kafka, and various relational and non-relational databases, Elasticsearch.

As a Senior Backend Developer , youll be responsible for designing, developing, and maintaining our product across all teams. Whether its optimizing cost insights, building advanced troubleshooting capabilities, or developing Kubernetes-native agents and operators, youll work end-to-end on critical features - from design to production - in a fast-paced, CI/CD environment.



What youll do

Design, develop, and maintain core components of the product
Work across the stack to deliver new features from start-to-end
Deploy new features to production and ensure they run smoothly at scale
Improve performance and overcome scalability limits in high-volume environments
Collaborate with your team to plan and prioritize the most impactful projects
Write clean, maintainable, and scalable code in Golang (and occasionally other languages)
Ensure high code quality through automated testing and code reviews
Stay ahead of emerging software engineering trends and bring fresh ideas to the table