דרושים » ניהול ביניים » Senior software engineer

As a Backend Engineer Tel Aviv, you will have the opportunity to build innovative products that affect our customers' lives directly, act as a developer on mission-critical systems, and build top-notch consumer-facing applications serving millions of users using the most advanced technologies.

We are looking for a highly motivated, experienced Software Engineer to join our R&D team to build our products and services to support new initiatives at running from the Tel Aviv office.

You Will:

Develop Scalable Systems: Build performant and scalable systems capable of serving over a million monthly customers, all while optimizing for minimal computing requirements.
Deliver Reliable Financial Services: Design, build, and maintain highly available financial services with a strong focus on data integrity and security. Be a key contributor to developing the next generation of products from the ground up.
Lead and Mentor: Serve as the technical lead for your team, mentoring colleagues, driving cross-team initiatives, and facilitating complex design discussions.
Focus on Distributed Systems: Design and implement resilient distributed systems that meet stringent performance and data integrity requirements.
Drive Payment Solutions: Take ownership of payment systems, collaborating with multiple providers and gaining a deep understanding of the global financial ecosystem.

We are looking for a highly skilled and experienced Senior Software Engineer to join our backend team.
In this role, you will leverage your expertise in distributed systems, data engineering, and software development to design, build, and deploy high-performance solutions. You will take a leading role in developing and maintaining a cutting-edge online machine learning system powered by PyTorch/Tensorflow models and Triton inference server.
This is an opportunity to work on complex, large-scale systems that serve billions of requests, shaping the future of ad tech and ML-driven optimization.
What you'll be doing
Architect and Build: Design, develop, and deploy robust, scalable, and high-performance distributed systems that form the backbone of ironSource's next-generation ML ad network.
Real-Time Ad Serving: Engineer and optimize critical systems for real-time ad serving, enabling machine learning models to make intelligent, low-latency decisions for optimal ad selection.
ML Infrastructure Innovation: Drive the evolution of our ML capabilities by researching, evaluating, and implementing cutting-edge techniques for feature stores, data aggregation, and model serving infrastructure.
Data Pipeline Engineering: Collaborate closely with data scientists and product managers to design, build, and maintain efficient and reliable data lakes and data pipelines, ensuring high-quality data for ML training and analytics.
Operational Excellence: Take ownership of key system components, ensuring their reliability, performance, and scalability in a production environment through proactive monitoring and continuous improvement.

We are looking for an experienced Senior Engineer to join our Billing Platform team.
Our Billing Platform is the backbone of every product we launch and every key deal we close. You will play a critical role in shaping the infrastructure that drives our billing processes, directly impacting our revenue and growth.
As we continue to scale and introduce new products, were looking for passionate engineers who are eager to take ownership of complex systems and make a significant impact.
If you're excited about designing and building robust, scalable systems, wed love for you to join us in shaping the future of our Billing infrastructure.
Why you should join us:
Youll be building scalable, high-performance services that handle massive volumes of data, ensuring the accuracy and reliability of our operations.
Youll tackle complex challenges around data scalability, performance, and system architecture, all while collaborating with cross-functional teams to deliver robust, impactful solutions.
What you'll be doing:
Design, build, and maintain scalable and resilient systems that handle high-volume data, while collaborating with teammates and individual contributors
Take ownership of projects, from concept to production, ensuring the highest quality
Work on data-driven initiatives that improve system performance, efficiency, and billing accuracy
Work with Product Managers to define features and scope, guiding technical decisions and trade-offs, to align with company goals.
Collaborate in an environment involving various stakeholders within the company
Help foster best practices and mentor team members to maintain a high standard of engineering excellence.

We are seeking a Senior Cloud Engineer to join our Data Stores team. We are looking for a proactive, detail-oriented individual to be responsible for designing, implementing, and delivering data infrastructure solutions that are the core of our products. If you are passionate about infrastructure and want to contribute to a dynamic and innovative team, we would love to hear from you.
About the team:
As the Data Stores team, we are responsible for implementing and delivering data infrastructure solutions that handle and store petabytes of data. Our focus is on scalability, low latency, high throughput, and geo-distributed systems, ingesting terabytes of data every day. We provide seamless, reliable, and scalable data solutions, which are key components for our Machine Learning Models that deliver highly accurate, real-time risk decisions to protect our customers from fraud. Continually adapting to the evolving landscape and trends in the data landscape, we implement new data solutions to ensure our innovative products stay ahead in the market.
Why should you join us?
As a member of the data stores team, you will work alongside highly technical software engineers shaping the way our stores vast amounts of data. You will be entrusted with the designing, implementation, and delivery of data infrastructure solutions that are the right fit for the requirements. Your unique perspective and experience will bring innovative ideas to the team and help us deliver long term solutions.
What you'll be doing:
Lead and mentor engineers to ensure the seamless operation of our systems.
Investigate and implement performance and cost optimizations for our cloud infrastructure.
Create or introduce tooling and processes to support the operational aspects required for maintaining large-scale cloud infrastructure.
Contribute to the continual improvement of our cloud infrastructure.
Stay updated with the latest trends and technologies in cloud infrastructure, and implement new offerings as needed.
Participate in on-call rotations to ensure the availability and performance of our cloud infrastructure systems.

Were looking for an experienced backend developer whos comfortable owning end-to-end features from data modeling to API development. Youll work closely with the team leader and take part in building smart, scalable systems that power everything from dashboards to AI-driven insights.

This is a hands-on role where youll write real code, influence product decisions, and work side-by-side with a sharp group of developers, data people, and product leads.

Your Day-to-Day Will Include
Building APIs and services using NestJS and TypeScript

Working with SQL and MongoDB to manage large-scale structured and semi-structured data

Writing efficient queries and optimizing backend performance

Using AI to solve real product and data problems this isnt about building tools for others; its core to what we do

Collaborating daily with colleagues in Israel and abroad (good English required)

Reporting directly to the team leader and having full ownership over your projects

we are a fast-growing digital health SaaS company thats on a mission to transform the way physicians interact with patient data. Thousands of clinicians across the United States already use our companys AI-powered solution that transforms complex and fragmented patient data into concise patient portraits" and actionable clinical insights at the point of care. With our company, physicians experience less burnout, reduce missed diagnoses, and can devote more time giving better care to their patients.
our company has been named one of the Top 100 AI companies globally by CB Insights and made the list of the Top 50 Digital Health startups. We are already working with industry-leading value-based organizations including Privia Health and Agilon.
we are looking for a talented and experienced Senior Software Engineer to join our data group.
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.

As a Backend Developer, 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 expertseach 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 seeking a Senior Infrastructure Engineer with a focus on Database Solutions to join our Data Stores team. We are looking for a proactive, detail-oriented individual to be responsible for designing, implementing, and delivering database solutions that are the core of our products. If you are passionate about database solutions and want to contribute to a dynamic and innovative team, we would love to hear from you.
About the team:
As the Data Stores team, we are responsible for implementing and delivering database solutions that handle and store petabytes of data. Our focus is on scalability, low latency, high throughput, and geo-distributed database systems, ingesting terabytes of data every day. We provide seamless, reliable, and scalable database solutions, which are key components for our Machine Learning Models that deliver highly accurate, real-time risk decisions to protect our customers from fraud. Continually adapting to the evolving landscape and trends in databases, we implement new database offerings to ensure our innovative solutions stay ahead in the market.
Why should you join us?
As a member of the data stores team, you will work alongside highly technical software engineers shaping the way our stores vast amounts of data. You will be entrusted with the designing, implementation, and delivery of database solutions that are the right fit for the requirements. Your unique perspective and experience will bring innovative ideas to the team and help us deliver long term database solutions.
What you'll be doing:
Design, implement, and maintain scalable, reliable, and efficient database solutions.
Lead and mentor engineers to ensure the seamless operation of our database systems.
Investigate and implement performance and cost optimizations for our database solutions.
Create or introduce tooling and processes to support the operational aspects required for maintaining large database solutions.
Contribute to the continual improvement of our database infrastructure.
Stay updated with the latest trends and technologies for databases, and implement new database offerings as needed.
Participate in on-call rotations to ensure the availability and performance of our database systems.

As a Senior User Data Engineer in the Demand group in our Tel Aviv office youll play a vital role in developing one of the largest real time big data operations in the world to support over 40TB of new data every day.
Our Tech Stack: Java, JS, TS, Python, Reactive, Spark, Kafka, Hadoop, Cassandra, Vertica, ES, MySQL, Memcached, HDFS, Iceberg, BigQuery, Druid, Kusto, Docker, K8S, Linux, Prometheus, Grafana, Airflow
Gen AI: Cursor, Junie, GitHub Copilot, Langfuse and much more
How youll make an impact:
As a Senior Software Engineer, youll bring value by:
Design, develop, and address scalability challenges in our user data pipeline and identity graph, ensuring efficient handling of high-throughput, high-performance systems
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 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 processing and managing user data signals
Driving our companys data advantage by leveraging real-time user signals to uncover intent and boost key business performance metrics
Develop a complete user identities graph and find deterministic and probabilistic methods to enrich it
An algorithmic model to predict the performance potential of a specific audience
Infrastructure to create unique audiences for advertisers based on various signals (behavioral, contextual, etc)
An A/B tests system to explore variations and experiments over audiences
Understand and use big data algorithms to estimate key business metrics over billions of impressions
Build user interface using React that serve thousands of users.

We are looking for a Senior Backend Engineer to join our R&D team and play a pivotal role in building multi-cloud scanning system. This position is ideal for engineers who excel in solving large-scale challenges within a fast-paced startup setting, and who are passionate about pushing the boundaries of data security in a cloud environment.
Responsibilities:
Lead the design and development of our cloud scanning orchestration system, ensuring efficiency and scalability across multiple cloud environments.
Handle multiple system interactions, working with microservices and cloud-native components to build a robust and flexible scanning solution.
Research various Datasources APIs in order to develop connectors and perform efficient data scanning.Develop and implement efficient data scanning connectors by researching the APIs of various data sources.
Collaborate closely with cross-functional teams, including R&D engineers, product managers, and solution engineers, to deliver end-to-end features and tackle complex engineering challenges.
Gain a high-level architectural perspective while maintaining the ability to dig into technical specifics and optimize system performance.