לוח משרות דרושים Backend Engineer משרה מלאה

We are seeking a highly skilled developer to join the Secure Protocols Inspection group, working in complex, challenging, and high-performance Linux environments.
Job Id: 24974
The team is responsible for the design and development of security-critical products and frameworks at the core of our HTTPS/TLS inspection capabilities.
In this role, you will work on core systems responsible for the real-time processing of large volumes of encrypted network traffic in production environments. You will take part in designing, implementing, and evolving secure communication and inspection technologies, addressing performance and security challenges across modern protocols and platforms. The work spans low-level kernel and user space, as well as backend and frontend components.
The position requires deep technical ownership, close collaboration with other R&D teams, and the ability to solve complex problems in large-scale production systems.
Why Join Us?
Hybrid Work Model: Enjoy the flexibility of working from the office and from home.
Impactful Work: Play a critical role in developing security solutions that protect organizations and individuals.
Growth Opportunities: Access to learning and development resources to advance your career.
Collaborative Environment: Work in a supportive team that values diverse perspectives and innovative ideas.
Key Responsibilities
4+ years of programming experience, at least 2 in C/C++
Develop and maintain high-performance Linux-based software.
Improve existing code for performance, security, and maintainability.
Collaborate in the design and development of next-generation security solutions.
Quickly learn and take ownership of existing projects, understanding their architecture and functionality.

We're seeking an outstanding and passionate Software Engineering to join our growing R&D team.

You will work in an energetic startup environment following Agile concepts and methodologies. Joining the company at this unique and exciting stage in our growth journey creates an exceptional opportunity to take part in shaping our team and technology at the forefront of Fintech and AI.

If you have more front-end or back-end orientation, don't hesitate to apply.

What you'll do:

Be responsible (together with the team members) for the platform, its up-time, architecture & scale.

Be part of building a high-scale and robust backend platform.

Work closely with company leadership, and iterate over core infrastructure.

Write high-quality and performant code following industry best practices and standards.

Experiment with new technologies, tools, and 3rd party frameworks. Utilize them to deliver state-of-the-art tech.

Join our research engineering team.
The team is responsible for building and maintaining the foundational infrastructure that empowers research and portfolio groups. Our goal is to equip researchers with best-in-class tools and systems, enabling them to efficiently develop and deploy cutting-edge data science and machine learning models. As a Research Software Engineer, you will design and implement critical components of these core systems.

Backend developers shape and improve our microservices architecture daily to provide the leading mobile analytics solution. To do this, we use cutting-edge technologies such as Clojure, Go, Kafka, Redis, BigQuery, GraphQL, SQL and NoSQL databases, in addition to hosted solutions that AWS and GCP have to offer and more

What youll do
Own and develop products and features end-to-end - from design to production
Solve diverse, complex problems at a large scale
Collaborate with Product Managers and Software Engineers to deliver value to customers
Analyze and improve performance, scalability and stability of AppsFlyers products, environments and tools
Continuously learn and evaluate new technologies in the everlasting effort to perfect our products and adapt to the ever-growing scale

We are looking for a Backend Engineer to develop mission‑critical services and APIs. You will help design, build, and operate systems that directly affect the companys success. To achieve that, you will collaborate with data scientists, product managers, and customer success managers in a dynamic agile environment.
With your technical expertise and enthusiasm for building creative products, you can have a direct influence on our companys success. Come join us in revolutionizing the way marketing and sales communications are done!
Responsibilities:
Handle backend tasks for a growing SaaS product; design and implement architecture, along with maintenance and monitoring.
Take ownership over features end‑to‑end.
Collaborate with product managers to refine product requirements.
Work closely with peers and share knowledge across the team.
Build APIs and background services, including:
Integrating with external platforms
Scraping and analyzing content from the web
Integrating with internal machine learning services
Building APIs to be used by external customers.

We are looking for a Principal Backend Infrastructure Engineer to lead the conceptualization and development of mission-critical services and APIs. In this role, you will assume full ownership of a system that directly influences the success of our company. To achieve this, you will collaborate closely with data scientists, product managers, and customer success managers in our dynamic, agile work environment.
Responsibilities:
Take ownership of backend and infrastructure tasks for our rapidly growing SAAS product. This includes designing and implementing the architecture, as well as overseeing maintenance and monitoring.
Collaborate seamlessly with team members to produce production-ready code and maintain high infrastructure standards.
Lead the team in technical design efforts and serve as a source of knowledge for fellow engineers.
Develop APIs and background services using a diverse range of backend technologies to:
Integrate with external platforms
Extract and analyze web content
Interface with internal machine learning services
Cater to external customer needs
Scale up our system to handle big data challenges, ensuring robustness and reliability.
Work closely with the entire R&D team to create better tools and infrastructure.

we are looking for a talented Senior Software Engineer
The team is responsible for processing structure and unstructured medical data from multiple external sources while building and maintaining an internal serving platform. Our key challenges include operating at scale, integrating with diverse external interfaces, and ensuring the data is served in a consistent and reliable manner.
Responsibilities:
Lead development processes from ideation to production
Collaborate with product, medical, and software teams across the organization.
Own the design and evolution of the data ingestion and serving platform.
Mentor and guide junior and mid-level engineers.
Define best practices for system reliability, scalability, and observability.
Lead technical decisions around distributed systems, APIs, and integrations.
Build a customer-centric product with a deep understanding of the complex healthcare industry.

We seek a skilled 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:

Build and optimize data pipelines handling large volumes of streaming and batch data in real time with high reliability and low latency.

Design, develop, and maintain backend services responsible for integrating with a wide variety of APIs, webhooks, and partners.

Own features end-to-end architecture, implementation, deployment and monitoring.

Ensure data accuracy and consistency across ingestion, transformation, and storage layers.

Collaborate with product, data engineering, and customer-facing teams to understand edge cases, fix production issues, and improve partner integrations.

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

we are looking for a Senior Backend Software Engineer.
As a Senior Software Engineer on the Product Analytics Backend team, you'll join a new, fast-growing product area. You will help define our technical vision, influence the product roadmap, and solve complex engineering challenges at scale.
In Product Analytics, we consume and process data from multiple sources: clickstreams, user information, and data from third-party systems. Your work will be central to building a robust and flexible system that can ingest, manipulate, correlate and store all this data to have it efficiently queried by our end users.
What Youll Do:
Design, build, and maintain core backend systems for Product Analytics, ensuring scalability, reliability, and high performance
Drive technical architecture decisions in alignment with product goals and collaborate closely with frontend and platform teams
Work with our core platform teams to tailor Datadog's storage and query solutions to our needs
Create a strong team culture aligned with our engineering standards and our customer focus
Participate in hands-on engineering work including coding, code reviews, and design reviews

As a Backend developer in the team, you will be a part of delivering new features, as well as building core components with performance in mind. This role is ideal for a highly skilled developer who is passionate about building scalable and reliable infrastructure and thrives in a fast-paced, innovative environment.
What youʼll do:
Implement and deliver new features according to productsʼ requirements
Implement enhancement features and build the infrastructure to support the scale of the product.
Participate in design discussions and code reviews
Develop unit and integration tests
Assist in solving real-time customer issues.

We are seeking a Senior Backend Engineer with proven experience in large-scale systems and a deep understanding of performance and scalability to drive the evolution of our rapidly growing application.
In this position, you will be part of delivering complex features while building the infrastructure required to support our product's enterprise-level growth. You will be involved in the entire lifecycle, from product requirements and technical design to implementation, for a complex system used by major global financial carriers.
What you will do:
Implement and deliver new features based on product requirements.
Implement enhancement infrastructure to support the scale of the product.
Deliver high-quality features, including AI-driven functionalities that enhance decision-making and user experience.
Participate in design discussions and conduct code reviews.
Develop unit and integration tests.
Assist in resolving real-time customer issues.
Actively share knowledge with other team members to tackle technical challenges.

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 at our company.
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 our companys 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.
Tech Stack:
Work with a modern tech stack designed for scalability and high performance, including Golang, MySQL, PostgreSQL, Elasticsearch, Kafka, RabbitMQ, AWS SQS, AWS cloud services, Docker, and Kubernetes (K8s).

As a Backend Developer at Wisor.AI, youll be building powerful features that push the boundaries of what technology can do in global trade. You'll work alongside a talented and diverse team of engineers, product minds, QA specialists, and domain experts-each bringing deep knowledge and fresh perspectives. In this role, youll take full ownership of complex backend systems, designing and developing robust server-side architecture from start to finish. We value independence, accountability, and the drive to turn ambitious ideas into production-ready reality.

Roles & Responsibilities:
Write scalable server-side code using Python.
Work in AWS cloud environment
Implement and maintain RESTful APIs for seamless communication between FE and BE.
Work with rational/nosql/objectstores such as MongoDB, PostgreSQL, Neptune, s3 to store and retrieve data
Write clean, readable, quality and testable code writing.
Test and debug applications to ensure high quality and performance.
Review pull requests to ensure high quality and maintainable solutions.
Seeing through a project from conception to delivery.
Follow-up on new evolutions of technology and take initiative to understand how the development will look tomorrow and help us get there.

We are looking for an experienced Full-Stack Engineer with strong backend expertise to join our growing Sales R&D team in Tel Aviv. This is a backend-leaning role focused on building and maintaining high-performance systems while contributing across full-stack services. As part of our team, youll drive the evolution of our Sales platform, take end-to-end ownership of impactful features, and contribute to an AI-first engineering culture that embraces automation, intelligent tooling, and continuous improvement. You will play a key role in improving product quality, engineering productivity, and system reliability as we support rapid business growth.
Responsibilities:
Design and deliver end-to-end features across backend services and frontend applications, with strong emphasis on backend architecture, data integrity, and system reliability.
Develop and maintain SPA web applications for admin and product platforms using React + TypeScript and Next.js, including contributing to the modernization of legacy Ruby components.
Develop and maintain backend services across Python (FastAPI) and Node.js (NestJS) microservices, ensuring strong performance, robust data management, and ongoing modernization efforts.
Design, implement, and maintain reliable REST APIs with clear contracts, validation, and consistent error handling.
Work with complex relational data models, continuously improving query performance and data reliability.
Lead investigations and root-cause analysis for performance, optimization, and production-related issues, driving long-term improvements.
Collaborate closely with frontend, backend, QA, and product teams in a multi-repo environment, including active code reviews and cross-site collaboration with our Boston engineering team.
Take ownership of code quality and production stability by writing automated tests (e.g., pytest, Jest) and driving issues from investigation through resolution and prevention.

We are responsible for the financial engine of the company: processing loan repayments and managing massive fund transfers to car dealerships. You will work on highly critical, high-volume systems where accuracy, reliability, and performance are absolute musts.
We embrace modern development practices. Our engineering team actively leverages Agentic AI tools and AI-assisted IDEs to enhance our daily workflows, accelerate coding, and focus on solving complex architectural challenges.
As a Backend Engineer on the Charges Team, you will:
Develop and maintain critical backend services for our payments charges infrastructure.
Integrate with complex external financial APIs and banking systems to facilitate secure money transfers.
Design and build robust architecture to handle high-volume financial transactions with zero tolerance for data loss.
Write clean, well-tested code to ensure the highest level of system reliability.
Leverage AI coding assistants to boost productivity, while maintaining strict code quality, security, and critical review standards.
Collaborate closely with Product, Operations, Finance, and other engineering teams to release features that impact thousands of happy customers and partners.