לוח משרות דרושים Senior Backend Developer

We are looking for an sharp-minded Senior Backend Developer to join our Growth Team. This is a unique opportunity to take part in shaping architecture decisions, contribute to cross-functional projects, and work with cutting-edge technologies in a fast-paced, innovation-driven environment.



In this role, you will lead complex backend projects in a strategic team- Our Subscriptions team is in charge of new one all paid packages for our millions of users and loyalty and is strongly connected to our business goals and mission in us becoming the smart mobility leading Super-App.

Responsibilities:
Lead complex backend projects from functional spec, through writing detailed technical documentation, architecture, development, and deployment.
Design, develop, and maintain scalable backend systems using Python in production environments.
Build and manage cloud-native, microservices-based architectures and distributed systems.
Work with a variety of data storage technologies.
Collaborate with cross-functional teams including product, DevOps, and frontend.
Build and manage frontend components (Angular) as needed
Communicate complex technical topics clearly to non-technical stakeholders
Actively leverage AI tools (e.g., Cursor\ Claude Code etc.) to accelerate development and raise the teams engineering bar and velocity.
Main Tech Stack: Python, .net core, AWS, SQS, SNS, Lambda, DynamoDB, MongoDB, PostgreSQL, SQL Server and more.

Required Senior Backend Developer
About the Role:
Were looking for people who are passionate about solving problems, dont shy away from leading features and projects, and are sharp and creative enough to find outside-the-box solutions to our wide range of product initiatives
What you'll do:
Design, implement, and deploy new business logics driving our client-facing product forward
Lead technical projects and product initiatives
Tackle complex real-world problems, that directly affect the companys success
Develop mainly in Python, using Django and Postgres often
Be a part of a vibrant team of bright and experienced engineers bringing the construction industry into the digital age
Develop data processing infrastructures, pipelines, and ETLs, while designing the data structure best suited to both updating and querying.

We are seeking a Senior Backend Engineer with deep backend engineering expertise and proficiency in one or more major programming languages (e.g., Python, Java, Go, Rust, or Kotlin), along with a strong understanding of AI models and agents. As a core member of our AI Engineering team, you will collaborate with data scientists, ML engineers, and product managers to build scalable, production-ready infrastructure and APIs that power intelligent systems.

What you'll be doing:

As a Senior Backend Engineer in the AI Engineering team, you will:

Build and maintain reliable, scalable backend services to support AI agent execution and orchestration.
Develop AI agent systems for complex operational workflows using LangChain, LangGraph, LiteLLM, and Langfuse.
Orchestrate a hybrid model stack that includes OpenAI and Google Gemini alongside self-hosted and fine-tuned LLMs like Gemma and Llama.
Build and maintain integrations with clinical systems (FHIR, EMR).
Drive observability and reliability using OpenTelemetry, Datadog, and Langfuse.
Design APIs (GraphQL, REST), background workers, and event-driven systems that interface with AI inference engines and agent runtimes.
Collaborate with Data Science, ML, and engineering teams to deploy AI features and improve the performance, scalability, and reliability of backend systems.
Participate in code reviews, knowledge sharing, and mentoring to elevate the teams technical capabilities.

we are looking for a Senior Backend Engineer to join our Catalog Management team.
This team owns core domain areas of the company product, including artist management, catalog management, and content-driven workflows that power the company application end to end. In this role, youll build backend systems that directly support our creators and internal stakeholders.
Youll work closely with multiple departments across the company- including Label, Content, A&R, and Product- helping translate real-world creative and operational needs into scalable, reliable software.
Wake Up for This:
Build product-driven backend systems:
Design, develop, and maintain backend services that power artist management, catalog workflows, and content-centric features across the company platform.
Own end-to-end features:
Take responsibility for features from backend through API - collaborating closely with frontend engineers and product partners.
Collaborate cross-functionally:
Work closely with Product, Design, Label, Content, and A&R teams to understand domain needs and deliver solutions that scale with the business.
Engineer for scale and reliability:
Build and maintain systems that handle large catalogs, complex metadata, and high-traffic production workloads.
Lead by example:
Mentor other engineers, participate in technical decision-making, and help raise the bar for code quality, maintainability, and best practices.
Create real impact:
Your work will directly influence how creators discover content, how artists are managed, and how our company operates internally at scale.

we are looking for a Senior Backend Engineer to join our new Platform Infrastructure team.
In this foundational role, youll help build the shared backend systems, frameworks, and tooling that power every product across the company.
If youre passionate about solving hard technical problems, shaping internal architecture, and scaling best practices across teams - we want to hear from you.
Wake Up for This
Build for builders: Design and develop the backend infrastructure that other teams will rely on - from shared services and APIs to internal developer tools and performance optimizations.
Engineer at scale: Work across modern backend stacks, building reusable systems that balance flexibility with consistency.
Drive technical standards: Partner with tech leads, designers, and developers across the company to define best practices and guide architectural decisions.
Lead by example: Mentor other engineers, support their growth, and help raise the overall bar for backend quality and maintainability.
Create real impact: Your work will improve development velocity, code quality, and user experience for millions of creators and countless internal users.

We are looking for a talented, passionate and experienced Senior Backend Software Engineer to join our team. You will help design and build the backend and data pipeline behind leading XDR platform, operating at large scale and under real-world production constraints. Were looking for someone with strong distributed systems fundamentals, high coding standards, and a collaborative, hands-on approach.

Responsibilities:

Lead the design and implementation of key backend components in flagship product
Build and operate a high-throughput data pipeline handling terabytes of data per day, with a focus on performance, reliability, and cost
Drive engineering best practices (testing, observability, CI/CD, code review, technical design) and contribute to product/technical innovation
Mentor engineers and help grow a strong engineering culture; learn and collaborate across teams

Our efficiency-driven Backend Team develops and optimizes algorithms, enabling our solutions to handle large-scale data processing with impressive speed and low latency.
Join us in pushing the boundaries of fraud prevention and making a meaningful impact.

What youll do
Take full ownership of products and features, from initial design to final production, empowering you to have a tangible impact throughout the entire development process.
Thrive on solving diverse and complex problems at scale, even when faced with limited clarity on the optimal solution approach. Your ability to navigate and conquer such challenges will be highly valued.
Collaborate closely with Product Managers, Analysts, Data Scientists, and Software Engineers, working together to deliver exceptional value to our customers. Your contributions will directly contribute to shaping the success of our products.
Dive deep into the analysis and optimization of performance, scalability, and stability across our product portfolio, as well as the environments and tools supporting them. Your insights and improvements will have a significant impact on ensuring our technological excellence.
Embrace a continuous learning mindset, constantly exploring and evaluating new technologies. This commitment to innovation ensures that our products and systems remain at the forefront of the industry, effortlessly adapting to the ever-growing scale of our operations.
Elevate your impact by mentoring others, leading projects, and advocating for engineering best practices within your team. Your influence will extend beyond your own work, fostering a culture of growth and excellence.
Rise to the challenge of sharing your expertise with the wider tech community. Whether speaking at meetups/conferences, penning insightful blog posts, contributing to existing open-source projects, or releasing new open-source software, your voice will shape and inspire others.

Were looking for a Senior Backend Engineer to help us evolve and scale our real-time incoming infrastructure. Youll solve high-throughput, low-latency challenges and craft APIs used by some of the largest mobile apps in the world.

What youll do
Design, build, and own real-time engagement services and APIs that are fast, reliable, and scalable.
Evaluating architectural trade-offs (e.g., consistency vs. availability) in a distributed environment.
Tackle complex problems in real-time, high-throughput systems using modern cloud-native tooling such as CDNs, WAF, Web Handlers, and Kafka
Lead API design and implementation across systems - with a strong focus on security, scale, performance, and reliability
Identify and resolve systemic bottlenecks that span multiple services or cloud regions.
Collaborate with Product Managers and Engineers to shape product direction and deliver customer value
Contribute to engineering excellence via code reviews, mentoring, and technical leadership
Continuously evaluate and integrate new technologies to keep our stack modern and efficient

Required Backend Developer - Base44
Job Description
Work on cutting-edge technologies and become an industry leader.
Improve your skills and learn from top-notch engineers.
Tackle tough problems and find creative ways to solve them.
Push your code to millions of users every day.
Solve hard problems in a simple way using TDD and clean code.
Influence the developer community.
Contribute to the OSS community.

Required Backend Engineer - Platform Engineering
Apply Now
Job Description
Play an active role in researching and developing our platform projects and agenda
Lead efforts to enhance the entire microservices development cycle by reducing the cognitive load for developers
Address developer pain points such as improving data access, optimizing event-driven workflows, and facilitating migrations
Help build the right abstractions around our services communication, data access layer, messaging, scheduling, and mass data migrations
Develop and grow as a developer by tackling diverse challenges and working on impactful projects.

Required Backend Engineer - Internal Platform Engineering
Job Description
As a Backend Engineer, youll join a brand new team focused on development tools such as AI agents, gateways, and orchestrations, working to improve our velocity and quality.
Build tools used by every developer, with the goal of significantly improving the velocity and quality of tools and products in the organization
Create new solutions and take ownership of existing ones in areas like production testing and performance
Take projects from ideation to production, including technical design, RFC, coding and more
Work with cutting-edge full-stack technologies at the highest industry standards and leverage the most up-to-date tools
Be a part of an R&D team with extremely experienced colleagues
Create tools by developers for developers, influencing the product at virtually every level.

Required Senior Backend Engineer
Job Description
Work on cutting-edge technologies and become an industry leader.
Improve your skills and learn from top-notch engineers.
Tackle tough problems and find creative ways to solve them.
Push your code to millions of users every day.
Solve hard problems in a simple way using TDD and clean code.
Influence the developer community.
We believe our best work happens together. Our work model is fully in person, with 5 days a week from our office. Flexibility remains a core value and special requests are handled thoughtfully at the team level.

We are looking for a Senior Backend Engineer to join our R&D team and play a pivotal role in building our 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.

We are looking for an exceptional and passionate Back-End Developer to join our team. This role involves designing and implementing the backbone infrastructure and APIs for our applications, ensuring a great user experience.

Responsibilities:
Be responsible for the products architecture and maintain its performance in challenging circumstances.
Maintain high standards of software quality by establishing best practices
Collaborate with various stakeholders to plan, design, develop, test and maintain extraordinary features
Translating requirements into high-quality code
Seeing through a project from conception to finished product
Collaborating with a team of skilled developers to develop high-traffic, cloud-based applications
Participating in code reviews to maintain code quality and sharing best practices with the team
Provide guidance and mentorship to junior developers, promoting continuous learning and improvement within the team

Were building the next generation of autonomous cybersecurity technology - systems that think like attackers to continuously uncover security gaps in enterprise environments.
As a Senior Engineer in our Attack Simulation Platform team, youll design and build the engines, data models, and intelligent agents that simulate advanced adversaries across large-scale networks. Youll combine strong software-engineering skills with deep security intuition to create systems that mirror human attacker behaviour and discover real weaknesses before attackers do.
The Responsibilities
Design and build AI-driven agents that emulate adversarial behaviours such as lateral movement, privilege escalation, and persistence.
Develop core simulation and orchestration components in Go (primary language) and integrate with in-house AI models.
Model and simulate attack paths across complex enterprise environments (identity, endpoint, network, and cloud).
Collaborate with red-teamers, researchers, and data scientists to translate threat intelligence and real attack TTPs into executable logic.
Contribute to architecture decisions, scalability, and performance optimization for distributed simulations.