דרושים » תוכנה » AWS Cloud Developer (Tech Lead)

We are At Cross River, we're building the financial infrastructure that powers global innovation. With our cutting-edge suite of embedded payments, cards, and lending solutions, we enable millions of businesses and consumers to transact seamlessly and securely. With 900+ employees worldwide and an R&D center of over 160 employees in Jerusalem - we’re reshaping how financial technology is developed and delivered. .

The Role:
We are looking for a backend engineer who can design, build, and operate highly reliable Node.js services on AWS that enable generative?AI capabilities across our products and internal workflows. You will create scalable APIs, data pipelines, and serverless architectures that integrate large?language?model (LLM) services such as Amazon Bedrock, OpenAI, and open?source models, enabling teams to safely and efficiently leverage generative AI.

Who You Are:

* You have experience building Retrieval?Augmented Generation (RAG) systems or knowledge?base chatbots.
* You're Hands?on with vector databases such as Pinecone, Chroma, or pgvector on Postgres/Aurora.
* Have AWS certification (Developer, Solutions Architect, or Machine Learning Specialty).
* Experience with observability tooling (Datadog, New Relic) and cost?optimization strategies for AI workloads.
* Background in microservices, domain?driven design, or event?sourcing patterns.

What You’ll Actually Be Doing:

* Design and implement REST/GraphQL APIs in Node.js/TypeScript to serve generative?AI features such as chat, summarization, and content generation.
* Build and maintain AWS?native architectures using Lambda, API Gateway, ECS/Fargate, DynamoDB, S3, and Step Functions.
* Integrate and orchestrate LLM services (Amazon Bedrock, OpenAI, self?hosted models) and vector databases (Amazon Aurora pgvector, Pinecone, Chroma) to power Retrieval?Augmented Generation (RAG) pipelines.
* Create secure, observable, and cost?efficient infrastructure as code (CDK/Terraform) and automate CI/CD with GitHub Actions or AWS CodePipeline.
* Implement monitoring, tracing, and logging (CloudWatch, X?Ray, OpenTelemetry) to track latency, cost, and output quality of AI endpoints.
* Collaborate with ML engineers, product managers, and front?end teams in agile sprints; participate in design reviews and knowledge?sharing sessions.
* Establish best practices for prompt engineering, model evaluation, and data governance to ensure responsible AI usage.


Why You’ll Love Working Here:

* Flexible hybrid model: 3 days a week in the office – A must
* ₪1,000 net monthly wellness benefit – from therapy to Pilates to your kid’s art class
* Full Keren Hishtalmut, private health & dental insurance
* Donation matching, volunteering days, team outings, and mentorship programs
* A mission-driven culture that values ownership, trust, and meaningful impact


Next Step:
Hit Apply. Bring your AI vibes. We’ll bring the challenge - and the snacks.

A fast growing stat-up company, thats powers a unique omni-channel Global ordering & marketing platform, is looking for a Software Architect with hands-on experience designing and delivering scalable, event-driven SaaS platforms. This role combines technical leadership with deep expertise in distributed systems, real-time data, and cloud-native architectures.

Responsibilities:
Lead the architecture and design of SaaS features end-to-end.
Build and evolve high-throughput, event-driven systems with strong focus on scalability, reliability, and performance.
Define and enforce engineering best practices (SOLID, OOP, system design).
Design and optimize real-time streaming pipelines and big data ETL flows.
Drive NoSQL data modeling (esp. MongoDB) and database design.
Partner with Product and Engineering to align architecture with business goals.
Represent technical direction in stakeholder and customer meetings.
Stay current with cloud-native, streaming, and data lakehouse technologies.

As our Chief Architect, youll serve as a trusted technical advisor, partnering with product, engineering, and business teams to design scalable, secure, and resilient systems. Youll guide the technical direction of the company, mentor engineers, and help evolve our architectural standards and best practices.

What You Will Do
Architectural Strategy
Evaluate current systems and infrastructure; define scalable, secure, and maintainable target architectures.

Roadmap & Execution
Build migration plans from legacy to target state, including risk analysis, dependencies, and phased delivery.

Cloud Architecture (AWS)
Design AWS-native architectures that optimize performance, scalability, cost-efficiency, and reliability.

AI Architecture
Lead design and integration of AI capabilities with a focus on intelligent agents, LLMs, and automation workflows. Leverage services like AWS Bedrock, OpenAI APIs, and open-source agent frameworks.

Cross-Functional Collaboration
Partner closely with product and engineering leadership to define the technical roadmap and delivery strategy.

Operational Excellence & Leadership

Define and uphold architectural and technical standards across engineering teams.

Ensure compliance with regulatory and security frameworks (e.g., SOC 2, HIPAA).

Serve as the primary technical escalation point for architecture and infrastructure concerns.

Mentor developers on system design, scalability, and performance.
Stay hands-on through POCs, technology evaluations, code reviews, and monitoring production health.

We are looking for a Senior Software Engineer to join the ride as we spearhead the next revolution in electronics!

Responsibilities:
Develop and maintain robust, scalable, and secure Java-based software solutions.
Collaborate with product managers, architects, and other engineers to design and implement new features.
Build and optimize data processing pipelines for high-volume analytics applications.
Ensure software quality through code reviews, unit testing, and integration testing.
Participate in architectural decisions, contributing to the design of cloud-based systems.
Monitor and optimize system performance to meet scalability and reliability goals.
Troubleshoot, debug and resolve issues in development, staging, and production environments.

As a Backend Billing Team Leader , you will lead and mentor a global team of 8 engineers that build superb Billing applications and systems that is the basis for product.

The Billing team is responsible for building and maintaining compliant billing system that supports both B2C and B2B customers, as well as our drivers and fleets.

We handle high-scale financial transactions, ensuring accuracy, compliance and reliability.

You will be working in collaboration with other team leaders and team members on requirements, design, and development.

The ideal candidate will have strong managerial experience in managing teams, and must have high professional skills, great interpersonal skills, and a proven track record of building strong technological teams. We are looking for people who are passionate about the technology required for building high-quality products.

we are on a mission to reverse the adversary's advantage by empowering defenders with ingenuity and technology to end cyber attacks.
We have the technology, and now we are looking to expand our talent! Come and talk to us about joining a market leader and a diverse team of passionate people who win as one, ensure a customer-first approach is core to everything we do, and never give up on reversing the
Responsibilities & Requirements:
Design, develop, and implement comprehensive test strategies and architectures for complex software systems.
Lead the definition and implementation of automation frameworks, tools, and best practices across various projects.
Collaborate with development, product, and QA teams to ensure testability, identify risks, and optimize testing efforts.
Evaluate new technologies and tools to improve efficiency and effectiveness of the testing process.
Define and maintain quality metrics and reporting mechanisms.

We are seeking a highly skilled and experienced Software Engineer to join our dynamic team. The ideal candidate will have a robust background in software development and passion for creating secure, innovative and efficient software solutions.
Key Responsibilities:
Design, develop, and maintain software solutions across the backend (Node.js), frontend (Vue.js), and additional client (Go).
Participate in designing and building the architecture of robust, scalable, and secure software solutions across the entire stack.
Ensure seamless integration between the backend and frontend components.
Implement and manage robust security practices to protect our software and clients data in the cloud and on-premise.
Implement or utilize AI/ML algorithms within the product as needed.
Collaborate with other team members to define, design, and ship new features.
Write clean, maintainable, and efficient code.
Conduct code reviews and provide constructive feedback to team members.
Troubleshoot, debug, and upgrade existing software.
Stay up-to-date with emerging technologies and industry trends.

Were looking for engineers who are passionate about operating system internals, large-scale distributed systems, and cloud security and who want to make a meaningful impact by building robust, high-performance security platforms. This is also a great opportunity to take ownership, lead initiatives, and grow through collaboration, mentorship, and technical leadership.

Our Stack: Python, Linux & Windows internals, Container Runtimes, Postgres, Redis, Kafka, AWS, GCP, Azure

On a typical day youll:
Design, implement, and maintain scalable backend services for scanning and analyzing cloud workloads (VMs, containers, buckets, databases, etc..)
Build infrastructure for reconstructing file systems across different operating systems (Linux and Windows) to enable deep analysis
Integrate security detection engines for vulnerabilities, secrets, compliance, and malware
Collaborate with security researchers and product managers to translate complex requirements into impactful product features
Write clean, efficient, and testable code, ensuring high performance and reliability
Participate in design and code reviews to uphold technical excellence and team standards
Lead features end-to-end from design and planning to deployment and monitoring
Improve system observability, performance, and resilience in production environments
Stay current with developments in the cloud security landscape, vulnerability management, and OS internals

We are growing our team and are looking for a talented, experienced, passionate, and driven Senior Backend Engineer to join our infra team.

Join us to help shape the future of work!



What's the job?

Our Core Team is seeking a talented and experienced Back End Developer.
Your responsibilities as a member of the Core Team will include creating a seamless and efficient development experience for the R&D team to move forward more quickly.
Maintaining the stability, performance, and infrastructure of our product, as well as assisting full-stack developers and improving processes.



What you'll be doing:

Design, develop, and maintain the back-end infrastructure of our product with our full-stack developers.
Ensure the stability and performance of our product, and optimize it for scalability and high availability.
Provide guidance and support to full stack developers on the team as a technical lead.
Collaborate with the product and design teams to implement new features and improvements.
Identify and resolve any technical issues that arise, and proactively address potential issues before they impact users.
Monitor and optimize server and database performance to ensure high availability and scalability of our product.
Utilize the latest technologies and industry trends as appropriate for our product and development processes.

Are you a software engineer who thrives on designing and building scalable, high-quality services and infrastructure? Do you want to work on cutting-edge services while shaping the backbone of an ML platform? If so, wed love to have you join our company ML.
As a Senior Software Engineer, you will play a critical role in architecting and developing cloud based core services and infrastructure with a strong emphasis on clean code, performance, observability, monitoring, and security. This role also includes developing core Go/Java libraries, cross-cutting services like authentication and authorization, Kubernetes deployments, billing etc. You will collaborate closely with engineering teams, DevOps, architects, and product managers to ensure a scalable, stable, and high-performing system.
As a Senior Software Engineer at our company ML you will...
Write clean, maintainable, and efficient code following best practices.
Design and develop robust backend services with scalability, performance, and security in mind.
Conduct high-quality code reviews and architecture discussions, ensuring best practices are followed.
Take full ownership of projects - from ideation and design to production deployment and maintenance.
Collaborate with cross-functional teams to define, design, and ship new features.
Stay current with industry trends, technologies, and best practices in software development and cybersecurity.
Be involved in multiple aspects of an ML platform - from data sources to inference pipelines.