דרושים » ניהול ביניים » Backend Infrastructure Tech Lead (.NET)

Were looking for a Senior Backend Infrastructure Engineer (or Tech Lead, for the right candidate) to join our core infrastructure team. This role is all about building and evolving scalable, high-performance backend systems that serve as the foundation for all our product engineering teams.
Youll be responsible for designing and developing distributed systems, owning critical backend infrastructure services, and working closely with architects, DevOps, and product engineers to ensure our platform is reliable, efficient, and future-proof.
Why join us?
we are one of the worlds fastest-growing fintech companies. We free finance professionals to lead by modernizing the entire payables operation. We are a well-funded, late-stage start-up backed by high-profile investors. Our 2021 Series F funding round raised $270 million, valuing us at over $8.3 billion. With total funding of just over $550 million, and with more than 5000 global customers, we are one of the most valuable private fintech companies in the world.
At our company, we pride ourselves on our collaborative culture, the quality of our product and the capabilities of our people. our workers are passionate about the work they do, and keen to get the job done. our company offers competitive benefits, a flexible workplace, career coaching, and an environment where diverse individuals can thrive and make an impact. Our culture ensures everyone checks their egos at the door and stands ready to reach for success together.
Founded in Israel in 2010, we are a global business headquartered in the San Francisco Bay Area (Foster City) with offices in Tel Aviv, Plano, Toronto, Vancouver, London, Amsterdam and Tbilisi.
In this role, you will be responsible for:
Designing, developing, and maintaining scalable infrastructure services and middleware in a distributed microservices environment.
Leading cross-team backend infrastructure initiatives that impact the entire R&D organization.
Building robust systems that support our product teams with high availability, observability, and fault tolerance.
Partnering closely with architects, DevOps, and backend engineers to define and implement best practices across the stack.
Driving performance improvements and architectural evolution with a long-term vision in mind.
Proactively identifying technical gaps and areas for optimization across our backend infrastructure.

We are looking for a Team Leader to head our Design System initiative within the Network Orchestration group. This group is responsible for developing scalable, high-performance distributed systems that support complex network infrastructures, and the Design System will play a central role in ensuring consistent, efficient, and accessible UI across our products. As the Design System Team Leader, you will own the vision, strategy, and delivery of our reusable component library. You will lead and mentor a team of developers, collaborate closely with designers, architects, and other engineering leaders, and drive the adoption of the Design System across the organization. This is both a strategic and hands-on role: youll guide architectural decisions, oversee technical direction, and ensure high-quality, maintainable code - while fostering an environment of innovation, collaboration, and excellence. Our group is growing, and you will play a key role in building and expanding the team. You'll have the opportunity to optimize and enhance key parts of our system, leveraging the latest tools and infrastructure to drive innovation and efficiency. We embrace an agile mindset you should be comfortable with context switching, handling multiple priorities, and adapting quickly to changing requirements.
Key Responsibilities
Define the vision, roadmap, and priorities for the Design System, aligning with product and engineering goals.
Lead, mentor, and grow a team of frontend developers, fostering a culture of collaboration, quality, and innovation.
Own the delivery of the Design System - ensuring it meets performance, scalability, and accessibility requirements.
Act as the primary advocate for the Design System across the company, driving awareness and adoption.
Oversee the architecture, design, and implementation of reusable, scalable, and accessible UI components.
Make high-impact technical and architectural decisions to guide the evolution of the Design System.
Set coding standards, best practices, and review processes to ensure maintainable, high-quality code.
Balance technical debt with feature delivery, ensuring long-term system sustainability.
Partner closely with design teams to translate guidelines into robust, production-ready components.
Collaborate with engineering managers and product teams to ensure the Design System supports diverse application needs.
Communicate progress, risks, and priorities to stakeholders at all levels.
Establish and enforce testing strategies for all components, including unit, integration, E2E, and visual regression testing.
Ensure compliance with accessibility standards (WCAG/ARIA).
Maintain comprehensive documentation using Storybook.
Continuously improve development processes, workflows, and tooling.

As a Backend Team Lead (Platform) , you will lead a critical cross-functional team focused on building and evolving the core infrastructure that powers our Big Data, Marketing Tech, CRM, and Data Science initiatives.

You will drive technical strategy, mentor engineers, and work closely with R&D, Product, and Data Science teams to deliver high-performance, scalable, and innovative platform solutions.




What You'll Be Doing

Lead and grow a high-performing platform engineering team.
Design, develop, and maintain scalable backend systems, ensuring stability, performance, and operational excellence.
Build core services and infrastructure that enable Marketing, Data Science, CRM, and Engineering teams to move faster and smarter.
Drive platform initiatives around Big Data processing, event-driven architectures, and distributed systems.
Partner with stakeholders across the company to understand evolving business needs and translate them into technical solutions.
Champion innovation by evaluating and integrating new technologies, frameworks, and practices that elevate our product and internal capabilities.
Maintain a high bar for code quality, security, and scalability.
Provide hands-on technical leadership guiding design, code reviews, and system architecture discussions.
Foster a culture of learning, collaboration, and continuous improvement.

We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Backend Developer
Job Description:
Dynamic Yield is seeking a Backend Developer with a deep understanding of web application architecture, server-side programming, and a passion for optimizing backend systems. The ideal candidate will thrive in a collaborative environment and bring a wealth of experience to help maintain and improve the performance of our backend systems, ensuring high availability, scalability, and reliability.
As a Backend Developer, you will play a key role in developing and maintaining robust, efficient, and scalable Python-based backend systems. This includes building and optimizing data storage solutions, implementing APIs, and managing databases using clean and maintainable code. Youll be part of a dynamic team dedicated to solving complex technical challenges and delivering solutions that meet client and team requirements.

Role:
Build and optimize Python-based backend services and APIs to deliver real-time content recommendations with low latency across multiple data centers.
Handle large-scale data processing and ensure the performance and scalability of backend systems.
Design and implement efficient data storage and retrieval mechanisms using databases like PostgreSQL, MySQL, and NoSQL systems (Redis, Elasticsearch).
Integrate with cloud platforms (AWS, GCP, or similar) to deploy and manage backend services, ensuring high availability and fault tolerance.
Collaborate with cross-functional teams to understand business requirements and translate them into effective backend solutions.
Write clean, maintainable, and well-documented Python code that adheres to industry best practices.
Stay up-to-date with emerging technologies and trends in backend development, and continuously improve the backend stack.

Cyber Quant is looking for a Backend Software Engineer to join our growing team. Youll help design and build a complex SaaS platform that integrates with security systems, on-prem tools, and a powerful calculation engine, all while providing the best user experience. In our team, youll work closely with colleagues across Product, Cyber, DevOps, and QA to continuously deliver impact. Its a startup vibe inside a big company: fast-moving, hands-on, and full of opportunities to grow. You'll deepen your skills in architecture, scalability, and secure system design and help shape something that matters.
As a Backend Software Development Engineer, you will:
Plan and design high-quality backend solutions, ensuring quality through strong architecture and comprehensive testing.
Build various core components integrated as a whole product:
Extensive and stable integration solutions to both internal and external cyber sources and systems.
Improve, validate, and innovate algorithms, calculations and analytics throughout all system components and integration points.
Work in a fast-paced and agile work environment with business-oriented delivery focus.
Communicate with team members, other technical teams and management to collect requirements, identify tasks, provide estimates and meet production deadlines
Proactively self-learn, maintain, and troubleshoot all existing system components to ensure smooth and reliable operation.
Review and rewrite legacy code to latest technologies.

Are you a passionate and driven leader seeking your next high-impact challenge? The Audience Extension (Audex) team is looking for a Team Leader to help drive one of our companys most strategic growth areas enabling advertisers to reach new audiences beyond our owned-and-operated network.
About the Opportunity
Imagine empowering our companys advertisers to extend their reach to premium placements in the open web and even in closed gardens. This is the core mission of the Audex team tapping into massive new revenue streams by buying indirect inventory via RTB, all while optimizing at scale for performance and profitability.
How youll make an impact:
As a Team Leader for Audience Extension (Audex), youll bring value by:
Lead a team of highly skilled backend engineers building infrastructure and features used by thousands of sites and over 1.4 billion users globally
Drive strategic integrations with off-network and closed-garden environments
Work closely with key stakeholders across Product, Business, and PS (Professional Services) to align bidder-related initiatives and ensure end-to-end execution
Own and scale systems handling 500K+ requests per second, generating over 100TB of new data daily
Utilize a cutting-edge tech stack including Java 8, Spring, Reactor Core, Spark, Cassandra, Kafka, MySQL, Vertica, Kubernetes, Grafana, Tableau, and more
Collaborate with experienced tech leads, engineers, and product managers to define the teams roadmap and technical vision
Foster a culture of growth, accountability, and continuous improvement with a strong focus on team productivity and personal development.

We are seeking an experienced Backend Developer with a minimum of 5-6 years of hands-on experience to join our development team. As a Backend Developer, you will be responsible for designing, developing, and maintaining robust solutions for our suite of products, as part of the team responsible for the heart of our technology stack. You will work with cutting-edge technologies, including Node.js, Nest.js, TypeScript, PostgreSQL, and AWS services.

Responsibilities:
Design, develop, and deploy scalable and high-performance backend solutions to support our web and mobile applications.
Write clean, maintainable, and well-documented code in TypeScript, following best practices and design patterns.
Implement and maintain database schemas, queries, and optimizations using PostgreSQL.
Perform code reviews, troubleshoot issues, and provide technical support to ensure the reliability and performance of backend systems.
Collaborate closely with the product team, FE developers, QA engineers, and other stakeholders to understand requirements and translate them into technical specifications and implementation plans.

We are looking for a UI Platform Team Lead to join our Network Orchestration group. Our group is responsible for developing scalable, high-performance distributed systems that support complex network infrastructures.
As a Team Leader, you will drive the architecture, design, and development of core UI infrastructures and component libraries that support multiple development teams. You will lead a team of 4+ frontend engineers, define best practices, and ensure the scalability and maintainability of the UI architecture. This role requires a combination of technical expertise, leadership, and strategic vision.
Our group is growing, and you will play a key role in building and expanding the team. You'll have the opportunity to optimize and enhance key parts of our system, leveraging the latest tools and infrastructure to drive innovation and efficiency.
We embrace an agile mindset you should be comfortable with context switching, handling multiple priorities, and adapting quickly to changing requirements.
Responsibilitie
Lead & mentor a high-performing development team in building advanced, scalable software solutions.
Lead the development and maintenance of reusable UI components, design systems, and frontend tooling.
Architect and optimize UI frameworks to ensure high performance, scalability, and maintainability.
Collaborate closely with development teams to provide seamless integration across applications.
Work closely with QA to implement best practices for testing and automation, ensuring high software quality and reliability.
Coordinate with Product Managers to align development with business priorities and roadmap planning.
Engage with UI/UX Designers to ensure an intuitive and high-quality user experience.
Work alongside the Project Manager to track progress, mitigate risks, and ensure timely delivery of features.
Define and enforce best practices, coding standards, and architectural guidelines for frontend development.
Stay updated with industry trends and emerging technologies to drive innovation in UI infrastructures.
Ensure cross-browser compatibility for all UI components.
Identify bottlenecks and optimize the frontend build process for improved developer experience.
Work with CI/CD pipelines to automate testing, deployment, and monitoring of UI libraries.

we are a world-leading online trading platform with hundreds of thousands of active users placing millions of trades a month.
Our mission is to disrupt the age-old trade markets by building digital technologies that make trading around the world accessible and more efficient.
What to Expect - The Role
We are looking for a highly motivated backend software engineer specializing in creating high-scale, distributed backend systems.
You must demonstrate strong software engineering skills, excellent interpersonal communication, extreme ownership, and the ability to accept and give meaningful technical feedback.
You will be responsible for designing architecture, writing correct, robust code, maintaining and improving existing functionality, and shipping new features.
You will work as part of a Scrum-Agile cross-functional team and collaborate with front-end engineers, quality engineers, product managers, and more.
The platform you help us build will scale novel functionality to millions of Plus users worldwide.
Our team strives to set the bar for real-time, high-scale, mission-critical trading systems. We want to work with people who are excited by this goal and have the talent to deliver on it.
What Youll Do - Responsibilities
Design and build scalable, high-availability mission-critical systems and APIs
Drive the migration of large-scale, distributed trading services towards cloud-native microservices
Solve problems using distributed, asynchronous messaging
Tackle technical challenges - performance, fault-tolerance, security, and live production issues
Work closely with product, DevOps\SRE, and infrastructure teams - we practice full-cycle development where developers own and operate what they build.
Mentor Jr engineers as a Senior member of the team.

As a Platform Team Lead , you will lead a critical cross-functional team focused on building and evolving the core infrastructure that powers our Big Data, Marketing Tech, CRM, and Data Science initiatives.

You will drive technical strategy, mentor engineers, and work closely with R&D, Product, and Data Science teams to deliver high-performance, scalable, and innovative platform solutions.




What You'll Be Doing

Lead and grow a high-performing platform engineering team.
Design, develop, and maintain scalable backend systems, ensuring stability, performance, and operational excellence.
Build core services and infrastructure that enable Marketing, Data Science, CRM, and Engineering teams to move faster and smarter.
Drive platform initiatives around Big Data processing, event-driven architectures, and distributed systems.
Partner with stakeholders across the company to understand evolving business needs and translate them into technical solutions.
Champion innovation by evaluating and integrating new technologies, frameworks, and practices that elevate our product and internal capabilities.
Maintain a high bar for code quality, security, and scalability.
Provide hands-on technical leadership guiding design, code reviews, and system architecture discussions.
Foster a culture of learning, collaboration, and continuous improvement.