לוח משרות דרושים Senior Backend Developer

We are looking for a passionate and skilled Backend Developer to join our dynamic team! If you're excited about working on large-scale cloud-based security systems and enjoy solving complex challenges, this is the perfect opportunity for you.
As part of our backend team, you will develop and enhance server-side components for cutting-edge security services. You will work with big data, AI-driven analysis, and a microservices architecture that serves millions of users worldwide.
What You'll Do:
Design and develop new features to meet customer needs
Optimize and scale existing services to ensure high performance
Collaborate with other teams (Mobile, Agents, etc.) for seamless integration

As a Sr. Backend Engineer, youll have the opportunity to drive this process for one of our main products, working closely with product managers, architects, and other brilliant developers.

This is a unique opportunity to drive change and provide a positive impact to our customers.
Support and lead R&D activities in the team of highly skilled software engineers, driving highly effective execution, delivering high quality results on time.
Lead code refactoring activities to support high maintainability.

Welcome to Chargeflow Chargeflow is at the forefront of fintech + AI innovation, backed by leading venture capital firms. Our mission is to build a fraud-free global commerce ecosystem by leveraging the newest technology, freeing online businesses to focus on their core ideas and growth. We are building the future, and we need you to help shape it. Who We're Looking For - The Dream Maker We are seeking an experienced Senior Data Platform Engineer to design and scale the robust, cost-efficient infrastructure powering our groundbreaking fraud prevention solution. In this role, you will architect distributed systems and cloud-native technologies to safeguard our clients' revenue while driving technical initiatives that align with business objectives and operational efficiency. Our ultimate goal is to equip our clients with resilient safeguards against chargebacks, empowering them to safeguard their revenue and optimize their profitability. Join us on this thrilling mission to redefine the battle against fraud. Your Arena Infrastructure & FinOps: Design scalable, robust backend services while owning cloud cost management to ensure maximum resource efficiency. High-Performance Engineering: Architect distributed systems and real-time pipelines capable of processing millions of daily transactions. Operational Excellence: Champion Infrastructure-as-Code (IaC), security, and observability best practices across the R&D organization. Leadership: Lead technical initiatives, mentor engineers, and drive cross-functional collaboration to solve complex infrastructure challenges.

Power the Future with us! At our company we're a global leader in smart energy technology, with over 3,000 employees, offices in 34 countries, and millions of installations worldwide. Our innovative solutions include solar inverters, battery Storage, backup systems, EV charging, and AI-based energy management. We're committed to making clean, green energy the primary power source for homes, businesses, and beyond. With the growing demand for electricity, the need for smart, clean energy sources is constantly rising. we offer amazing opportunities to develop your skills in a multidisciplinary environment, covering everything from research and development to production and customer supply. Work with talented colleagues, tackle exciting challenges, and help create a sustainable future in an industry that's always evolving and innovating. Join us and be part of a company that values creativity, agility, and impactful work. We are looking for a JAVA Developer with experience in building high-performing, scalable, enterprise-grade applications. In this position you will be a key engineer in developing a modern, cutting edge, software platform serving the applications. An ideal candidate is a highly motivated Developer, passionate about delivering state-of-the-art software solutions Responsibilities:
* Designing and developing high-performance applications for mission-critical systems, ensuring low latency, high availability, and optimal throughput
* Write well designed, testable, efficient code
* Ensure your code is in compliance with specifications
* Prepare and produce releases of software components
* Design and implement microservices-based solutions
* Be a team player, contributing to team goals and targets while supporting your peers
* Provide production support and troubleshoot issues as they arise
Country:
Israel
City:
Herzliya

We are looking for a talented Senior Backend Developer to join our team and help build the next generation of our global SaaS platform. You will work on designing and implementing scalable backend services, microservices architecture, and cloud-based solutions that power our enterprise-grade applications. This is an opportunity to work with modern technologies, solve complex problems, and deliver solutions that impact thousands of organizations worldwide.
Develop and maintain backend services using Node.js, Express, and modern frameworks.
Design, build, and optimize RESTful and GraphQL APIs for seamless integration with frontend applications and external services.
Develop and integrate AI agents and services utilizing Large Language Models (LLMs) within the backend architecture.
Architect and enhance microservices for high performance, reliability, and scalability.
Work with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB) and implement efficient data access patterns.
Collaborate closely with Product, Frontend, and DevOps teams to deliver secure, robust, and scalable solutions.
Deploy, monitor, and maintain Node.js services in cloud environments such as AWS (including Docker/Kubernetes).
Ensure high code quality through automated testing, peer reviews, and adherence to best practices in secure coding.
Participate in system architecture design and contribute to ongoing process and technology improvements.

Were looking for an experienced Senior Backend Engineer to join our Harmony SaaS Security team - a high-performing group born from a successful cybersecurity startup acquisition. We operate with startup agility and innovation, backed by the global strength of a world-class security leader.

High-Trust, High-Talent Team: Work with smart, humble engineers who value collaboration and excellence
Startup Energy, Global Impact: Innovate quickly within a global cybersecurity organization
Meaningful Ownership: Shape the architecture and technical direction of a platform redefining how enterprises secure SaaS and GenAI
AI-Accelerated Development: We embrace tools like Cursor, Claude, and ChatGPT - while maintaining strong coding standards
Our tech stack includes Go, Kubernetes, Kafka , GCP, Postgres, Redis, BigQuery, Terraform, Temporal, Prometheus, OpenTelemetry, and more - delivering scalable, reliable systems that protect modern SaaS and GenAI ecosystems.



Key Responsibilities
Lead the technical design and direction of core platform components.
Mentor and guide developers, promoting a culture of excellence and collaboration.
Drive critical architectural initiatives and ensure best practices across the stack.
Build and optimize scalable, secure backend systems supporting enterprise-scale SaaS security.
If you love leading from the front - solving complex problems, mentoring engineers, and building scalable security solutions - wed love to meet you.

Required Senior Back-End Engineer
The Role
As a Senior Software Engineer, youll design, develop, and deploy robust software systems across our platform. Youll have ownership of end-to-end projects, the autonomy to lead from idea to implementation, and the opportunity to work across product lines - from scalable APIs and secure infrastructure to machine learning.
The role also brings unique engineering challenges shaped by regulatory and compliance requirements - pushing your creativity and technical capabilities.
What Youll Actually Be Doing
Design, build, test, and deploy backend systems for high-scale financial applications
Lead architecture reviews and drive decisions across technologies and platforms
Write well-tested code and review peers work for quality and clarity
Collaborate with Product, DevOps, and Security teams to deliver seamless experiences
Own and improve development lifecycles including CI/CD, observability, and cloud automation
Debug production issues and lead efforts to ensure system reliability and uptime
Contribute to internal documentation and onboarding processes
Participate in a Tier 2/3 on-call rotation to support business-critical systems.

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 are looking for a backend engineer who can design, build, and operate highly reliable Node.js services on AWS that enable generativeAI 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 opensource models, enabling teams to safely and efficiently leverage generative AI.
What Youll Actually Be Doing:
Design and implement REST/GraphQL APIs in Node.js/TypeScript to serve generativeAI 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, XRay, OpenTelemetry) to track latency, cost, and output quality of AI endpoints.
Collaborate with ML engineers, product managers, and frontend 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.

seeking a promising and talented Senior Back End Developer to join our group. If you thrive in a fast-paced, dynamic environment, can handle multiple requests simultaneously, and enjoy working independently as part of a cutting-edge team, this is your opportunity to help make the world a safer place!

Key Responsibilities
As a Senior Back End Developer, you will be responsible for developing and maintaining exciting security products utilizing advanced models for Avanans customers. Our production environment is a fast-paced, agile development cloud environment - handling tens of millions of transactions daily

You will develop software serving large scale production real-time environment. handling large quantities of data, using multi-threaded methods and design patterns. The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. The product involves significant use of modern AI technologies. All implemented with the latest AWS tools and managed services such as Aurora RDS, Athena, Kinesis, Kafka, SQS, Elastic Search, ElasticCache, and many more. You will design and develop high impact real-time components for online analysis, and take ownership of the end-to-end solution.

Develop production-grade, large-scale cloud -based security products.
Design and develop data-driven applications in an agile development environment.
Design and develop AI back-end solutions and APIs.
Interact with data scientists, R&D, QA and Test Automation.

We are looking for a motivated and experienced backend engineer with deep knowledge of systems, web applications, and observability stack,
As a backend engineer, you will build and maintain our web applications and contribute to the development of our observability system.
Responsibilities
Design, build, and maintain highly scalable web applications with performance, reliability, and observability in mind.
Drive the development of our observability platform at scale-ensuring we gather meaningful metrics, logs, traces, and act on them.
Lead by example: conduct thorough code & architecture reviews-not only of your own code but also with peers-to ensure maintainability, consistency, and high standards.
Champion best practices in development processes: share knowledge, improve coding standards, automate where possible, and mentor others.
Partner closely with product, UX, and cross-functional teams to deliver features from conception through to production-ensuring quality, timeliness, and user value.
Actively participate in on-call, incident response, post-mortems, and proactively identify reliability or performance bottlenecks.

seeking a promising and talented Cloud Back End Developer to join our group. If you thrive in a fast-paced, dynamic environment, can handle multiple requests simultaneously, and enjoy working independently as part of a cutting-edge team, this is your opportunity to help make the world a safer place!

Key Responsibilities
As a Cloud Back End Developer, you will be responsible for developing and maintaining exciting security products for Avanans customers. Our production environment is a fast-paced, agile development cloud environment - handling tens of millions of transactions daily

You will develop software serving large scale production real-time multi-tenant environment, handling large quantities of data, using microservices architecture and design patterns.

The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. All are implemented with the latest AWS tools and managed services such as Elastic Container Services, Kinesis, DynamoDB, SQS, Opensearch, ElasticCache, Iceberg, and many more. You will design and develop high impact real-time components and take ownership of the end-to-end solution.

Develop production-grade, large-scale cloud-based security products.
Design and develop data-driven applications in an agile development environment.
Collaborate cross-functionally with product managers, QA, automation, data engineers, and other engineers to achieve elegant solutions.
Work alongside other engineers on the team to elevate technology and consistently apply best practices.

Required Senior Backend Developer
Description
We have been the go-to platform for over 40 million sports enthusiasts worldwide since 2012.
We pride ourselves on delivering the fastest and most accurate live scores updates across various sports and competitions.
With a commitment to providing an exceptional user experience, we offer a comprehensive suite of features, ensuring our users stay connected to the action, anytime and anywhere.
Ready to dive into a dynamic role where you'll be an integral part of a collaborative team? As a Senior Software Backend Developer, you'll be at the forefront of crafting innovative solutions and contributing to the continuous improvement of our platform.
Responsibilities
Engage closely with Product, Client, DevOps and other R&D teams to deliver exceptional solutions.
Work within an agile environment alongside a team of engineers to meet business objectives efficiently.
Play a key role in designing, architecting, and developing robust solutions while ensuring code quality and seamless deployment.
Manage data flows to facilitate real time push notifications to millions of users.
Develop and maintain APIs and Services to support millions of active users, ensuring optimal performance and scalability.

we are looking for a Backend Developer, which is both hands-on and an ace problem solver to join our amazing DeepUI group. We are developing revolutionary runtime engine and transforming the online experience for hundreds of millions of users.
Our proprietary AI-based technology is bringing the world's leading digital adoption platform to the next level by understanding and interacting in real time with graphical user interfaces at a human level. We are looking for people who are passionate about leading technology to the extreme.
If you are striving to develop an innovative product, make an impact, and work with the industrys brightest talent as part of one of the fastest-growing and successful startups around .
What will you actually be doing?
Design and build the latest back-end solutions to the exciting and rapidly evolving domain of GUI perception
Develop and maintain complex backend cloud services and infrastructure, across multiple regions.
Design architecture for new services and implement through to production.
Implement and own end to end solutions that will scale to millions of users.
Participate in fast-paced research while running in production. A very rare and exciting combination.
Help build engineering culture.
End to end development of features and systems that are used daily by key stakeholders, both internally and externally.

Artlist is a leading creative technology company on a mission to empower creators and brands to bring their vision to life with video. Offering cutting-edge AI tools and models for image, video, and voiceover creation, alongside high-quality creative assets and powerful editing tools, Artlist enables creators to stay on trend, and achieve their creative goals. Trusted by over 30 million creators worldwide and top brands including Google, Amazon, Microsoft, and Versace, Artlist provides a seamless, subscription-based platform with a global license, giving creators everything they need to produce professional video content efficiently. For more information, visit artlist.io We’re looking for a Senior Frontend Developer to join one of Artlist’s full-stack product teams In this role, you’ll take end-to-end ownership of frontend features while working closely with backend engineers, product managers, and designers. You’ll help shape technical decisions, raise the bar on quality and performance, and play a key role in building scalable, creator-focused experiences used by millions worldwide. This role is ideal for senior engineers who enjoy deep product involvement, strong technical ownership, and collaboration within a full-stack environment. Wake up for this:
* Join Artlist’s Frontend Development group within a cross-functional full-stack team building user-facing products at scale.
* Build high-performance, visually rich, and intuitive web experiences using modern frontend technologies.
* Take part in shaping and delivering next-generation Gen-AI features , including tools for image, video, and voiceover creation.
* Work closely with backend engineers on APIs, data models, and system design to deliver complete, end-to-end solutions.
* Own features from design through production, monitoring, and iteration.
* Continuously improve performance, accessibility, reliability, and developer experience.
* Influence frontend architecture, patterns, and best practices across the team. What You’ll Do:
* Design, build, and maintain complex frontend applications using React and modern web technologies.
* Collaborate daily with backend engineers to define APIs, data flows, and architectural decisions.
* Translate product and UX requirements into scalable, maintainable, and testable code.
* Drive technical quality through thoughtful design, code reviews, and performance optimization.
* Identify and resolve frontend and cross-stack issues in production environments.
* Contribute to the evolution of shared frontend infrastructure, tooling, and design systems.
* Act as a technical leader within the team, setting a high bar for craftsmanship and ownership.