לוח משרות דרושים Senior Backend Developer משרה מלאה

Requirements:
A seasoned backend engineer with deep expertise in designing and building distributed systems.
Comfortable influencing technical direction without direct management authority, operating as a technical leader and mentor.
Interested in working on an early stage project with many challenges to solve and a fast iteration cycle.
You have a track record of delivering high-quality software products on schedule and collaborating closely with product partners.
Strong technician, particularly with Go, Java or SQL, who is interested in remaining a hands-on contributor.
Youre excited about leveraging AI tools to enhance how you code, solve problems, and build - or eager to learn how.

Requirements:
At least 8 years of backend development experience in Java - MUST
At least 3 years leading engineering teams - MUST
Proven experience in B2B/B2C communications platforms or API-driven businesses at scale - MUST
Hands-on experience with AI tools to boost developer productivity or product decision-making - MUST
Technical depth across both client and backend stacks (Java, C++, NodeJS, Kotlin, Swift, Objective-C)
A track record of building, scaling, and optimizing distributed systems
Strong communication skills and the ability to translate complex technical challenges into clear business value
Passion for leadership, mentorship, and technical excellence
Advantages
Nice to Have:
Proven experience with AWS and cloud-based architectures
Experience with Big Data technologies and event-driven pipelines
Hands-on experience with Couchbase or similar NoSQL databases

Requirements:
At least 7 years of experience as a Backend Developer, with at least 3 years in Java.
Advanced knowledge of Java, from frameworks to libraries. Experience in Async and/or reactive Java frameworks (such as Vertx, Rxjava, Akka).
Advanced knowledge of unit testing frameworks and mocking.
Knowledge of cloud technologies.
Experience with large scale NoSQL database (such as Couchbase, MongoDB).
Experience with microservices development based on Docker and Kubernetes.
Experience with Agile methodology.
Striving for new knowledge and skill improvement.
Fluent in written and spoken English (interviews are in English).
Excellent oral and written communication skills.
Higher technical education.
Experience leveraging AI tools to enhance productivity or decision-making is a strong advantage.
Advantages
Knowledge of C++.
Experience working with Open Search / Elastic search.
Experience with other server-side languages such as Node.js, Go, Python.
Experience working with remote teams.

Requirements:
At least 8 years of backend development experience in Java - MUST
At least 3 years leading engineering teams - MUST
Proven experience in B2B/B2C communications platforms or API-driven businesses at scale - MUST
Hands-on experience with AI tools to boost developer productivity or product decision-making - MUST
Technical depth across both client and backend stacks (Java, C++, NodeJS, Kotlin, Swift, Objective-C)
A track record of building, scaling, and optimizing distributed systems
Strong communication skills and the ability to translate complex technical challenges into clear business value
Passion for leadership, mentorship, and technical excellence
Advantages
Proven experience with AWS and cloud-based architectures
Experience with Big Data technologies and event-driven pipelines
Hands-on experience with Couchbase or similar NoSQL databases

Requirements:
6-7 years of backend or platform engineering experience
B.Sc. or M.Sc. in Computer Science, Software Engineering, or related field
Proven expertise in: Backend development (Node.js / Python preferred), Microservices and distributed architectures, Cloud platforms (AWS / GCP / Azure), API design and integration, Performance optimization and system scalability
Experience designing robust, production-grade systems
Deep understanding of event-driven or data-intensive architectures
Ability to translate research-level concepts into practical, deployable technology
Strong problem-solving mindset, with a passion for innovation and rapid iteration.

Requirements:
8+ years of experience in Data Engineering and/or Backend Development in AWS-based, cloud-native environments
Strong hands-on experience writing Spark jobs (PySpark) and running workloads on EMR and/or Glue
Proven ability to design and implement scalable backend services and data pipelines
Deep understanding of data modeling, data quality, pipeline optimization, and distributed systems
Experience with Infrastructure as Code and automated deployment of data infrastructure
Strong debugging, testing, and performance-tuning skills in agile environments
High level of ownership, curiosity, and problem-solving mindset.
Nice to Have:
AWS certifications (Solutions Architect, Data Engineer)
Experience with ML pipelines or AI-driven analytics
Familiarity with data governance, self-service data platforms, or data mesh architectures
Experience with PostgreSQL, DynamoDB, MongoDB
Experience building or consuming high-scale APIs
Background in multi-threaded or distributed system development
Domain experience in cybersecurity, law enforcement, or other regulated industries.

Requirements:
* Bachelors degree in Computer Science / software engineering / electrical engineering - required
* At least 5 years of experience developing core software components in complex systems as part of a development team - required
* Experience with CI/CD, DevOps, and source control processes - required
* Proficiency in C # and.NET technologies - required
* Willingness to travel abroad - required
* Ability to work under pressure and to motivate team members in a matrix environment - required
* Familiarity with EW (Electronic Warfare) and C4I systems - advantage
* Experience with Cloud, Web, SaaS, React JS technologies - advantage
* Experience in algorithm development - advantage

Requirements:
Technical Skills
5+ years of backend development experience with advanced knowledge of Java (Java 8,11+) and a deep understanding of OOP, design patterns, and clean‑code principles.
Proven track record in building and maintaining enterprise‑grade applications with Spring Framework/Spring Boot.
Expertise in designing and maintaining RESTful APIs, and familiarity with GraphQL or gRPC.
Strong SQL/NoSQL experience, including schema design, query optimization, and performance tuning.
Hands‑On experience with microservices architecture and distributed systems design, including event‑driven patterns and domain‑driven design (DDD).
Experience with message queues (e.g., Kafka, RabbitMQ, Redis Streams, SQS) and streaming platforms.
Deep understanding of cloud services (AWS EC2, ECS/EKS, RDS, S3, SQS) and infrastructure‑as‑code tools (CloudFormation/Terraform).
Proficient in CI/CD pipelines (GitHub Actions, Jenkins), Git workflows, and automated deployment strategies.
Strong analytical and problem‑solving skills, with a keen attention to detail and a passion for delivering high‑quality, maintainable software.
Experience with AI-powered code generation and review tools (e.g., Cursor, Claude, GitHub Copilot).
Bonus Points
Exposure to Node.js/TypeScript or other backend languages (Go, Python).
Experience with observability and tracing tools (Datadog, Prometheus, Grafana, CloudWatch).
Knowledge of security best practices for cloud and microservices environments (OWASP, IAM, encryption).
Direct experience building generative‑AI agents or applications, including prompt engineering and integrating vector databases.

Requirements:
Requirements:
* 5+ years of professional experience in backend development.
 
* At least 3 years of hands-on experience with Node.js in a production environment - strong advantage for experience with TypeScript
 
* Hands-on experience working with cloud environments, preferably AWS
 
* Experience designing and working with both SQL and NoSQL databases, including schema design and performance optimization.
 
* Familiarity with CI/CD processes, testing practices, and production readiness.
 
* Experience working with Kubernetes and containerized services.
 
* Advantage for experience working with file systems or content management systems (CMS)
 
* Strong understanding of application architecture, scalability, and performance in production systems.
 
* Proven ability to collaborate across teams and domains, and to take ownership of complex features.
 
* A passion for clean code, pragmatic solutions, and building systems that support real users and business needs.

Requirements:
What It Takes - Must haves: Experience: 5+ years of experience in data platform engineering, backend engineering, or infrastructure engineering. Language Proficiency: Specific, strong proficiency in Python & software engineering principles. Cloud Native: Extensive experience with AWS, GCP, or Azure and cloud-native architectures. Databases: Deep knowledge of both relational (e.g., PostgreSQL) and NoSQL databases, including performance optimization, cost tuning, and scaling strategies. Architecture: Strong experience designing and implementing RESTful APIs, microservices architecture, and event-driven systems. Containerization & IaC: Experience with containerization technologies (Docker, Kubernetes) and Infrastructure-as-Code (e.g., Terraform, CloudFormation). System Design: Strong understanding of distributed systems principles, concurrency, and scalability patterns. Nice-to-Haves Strong Advantage: Apache Iceberg (Lakehouse/S3/Glue), Apache Spark (Optimization), Message Queues (Kafka/Kinesis), Graph Databases (Experience with schema design, cluster setup, and ongoing management of engines like Amazon Neptune or Neo4j). Tech Stack: Orchestration (Temporal/Dagster/Airflow), Modern Data Stack (dbt/DuckDB), Streaming (Flink/Kafka Streams), Observability (Datadog/Grafana). Skills: FinOps (Cost Explorer/Spot instances), CI/CD & DevOps, Data Governance (GDPR), Pydantic, and Mentorship/Leadership experience. Our Story Chargeflow is a leading force in fintech innovation, tackling the pervasive issue of chargeback fraud that undermines online businesses. Born from a deep passion for technology and a commitment to excel in eCommerce and fintech, we've developed an AI-driven solution aimed at combating the frustrations of credit card disputes. Our diverse expertise in fintech, eCommerce, and technology positions us as a beacon for merchants facing unjust chargebacks, supported by a unique success-based approach. Backed by $49M led by Viola Growth, OpenView, Sequoia Capital and other top tier global investors, Chargeflow has embarked on a product-led growth journey. Today, we represent a tight-knit community of passionate individuals and entrepreneurs, united in our mission to revolutionize eCommerce and fight against chargeback fraud, marking us as pioneers in protecting online business revenues.

Requirements:
5+ years of building SaaS applications, preferably in a service-oriented architecture
Bachelors Degree in Computer Science, Software Engineering, or equivalent.
Expertise in modern web development frameworks, C#, Java, or equivalent.
Experience in writing optimized SQL and working against various different datastores.
Demonstrated success with scalable web applications or messaging systems
Experience with web security is a plus.

Requirements:
* BS/MS degree in Computer Science, Engineering, or a related subject
* 3-5 years' JAVA experience is a must
* SQL and data access optimization- Solid understanding of database technologies (SQL and NoSQL)
* Experience in the Spring Framework Advantages:
* Experience with Kafka is a major advantage
* Experience with event-driven systems, distributed systems and/or data -systems is a major advantage
* Experience with Docker, K8S, Git, GitLab, is a major advantage
* Excellent communication and teamwork skills.
* Experience with CI/CD pipelines and tools (Jenkins, GitLab CI, etc.).
* Vertica, Apache Airflow, and Apache NiFi advantage

Requirements:
7+ years of professional experience in backend software development.
2+ years of experience leading engineering teams in a people management role.
Proven experience developing and maintaining backend services in large-scale, distributed systems.
Strong hands-on experience with backend programming languages such as Python and/or Java.
Strong understanding of backend architecture, with hands-on experience improving and evolving existing systems.
Experience working in cloud-based environments and with containerized services.
Solid experience with relational databases (e.g., PostgreSQL, MySQL).
Familiarity with CI/CD pipelines and modern engineering workflows.
Strong leadership, communication, and problem-solving skills.
Experience working in agile environments, including Scrum.
Nice to Have
Experience with cloud-native technologies (AWS, Kubernetes).
Experience with messaging or asynchronous systems.
Background in security, networking, or enterprise-scale products.
Experience working in cross-team, multi-component architectures.

Requirements:
Bachelor's degree in computer science, Software Engineering (or equivalent work experience).
5+ years of experience as a software engineer with hands-on production experience working in the backend side of complex systems.
Strong proficiency in at least one backend programming language (e.g., Go, C#) and associated frameworks.
Hands-on experience in the following technology stack: Kubernetes & Helm, Frontend experience, NodeJS (Typescript), Elasticsearch.
Experience with relational databases (PostgreSQL- advantage), and ability to design efficient schemas and write optimized queries.
Strong problem-solving skills and ability to work both independently and as part of a team.
Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams.
Low-level understanding of network protocols and Windows internals- advantage.
Experience with cloud services (GCP/AWS/Azure)- advantage.

Requirements:
Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent work experience).
7+ years of experience as a Fullstack/Backend Developer.
Hands-on experience in the following technology stack: GO / NodeJS.
Vue / React - an advantage
Knowledge of responsive design principles and cross-browser compatibility.
Familiarity with RESTful APIs and asynchronous request handling.
Understanding of version control systems (e.g., Git) and collaborative development workflows.
Solid problem-solving skills and ability to work both independently and as part of a team.
Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams.
Detail-oriented mindset with a strong commitment to producing high-quality work.