Senior Backend Engineer

About the role: 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 team’s technical capabilities. What we're looking for: 6+ years of backend engineering experience, with strong proficiency in more than one major programming language (such as Python, Java, Go, Rust, or Kotlin). Solid understanding of AI systems architecture and experience working in environments involving AI agents, LLMs, or inference pipelines. Proven experience in building and scaling backend APIs, microservices, and background jobs. Strong experience with relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, Redis), including schema des

We are hiring a Senior AI Engineer to build and operate production AI systems and infrastructure. In this role, you will work on AI agents, MCP servers, agent evaluation, and Temporal-based workflow frameworks. This is a hands-on engineering role for someone who can move between backend systems, AI application development, deployment, and production support. You will help build reliable services and frameworks that make AI agents usable, measurable, and dependable in production. What you’ll be doing: Build and deploy AI agents that use tools, call services, manage context, and execute multi-step tasks. Develop and maintain MCP servers and tool integrations used by internal AI systems. Build workflow infrastructure using Temporal or similar orchestration frameworks. Design and implement agent evaluation flows, test suites, quality metrics, and feedback loops. Design backend services, APIs, persistence layers, and platform components for AI applications. Work with SQL and NoSQL databases, queues, distributed systems, and cloud-native infrastructure. Build CI/CD pipelines, Docker images, Kubernetes deployments, monitoring, and operational tooling. Debug production issues across services, workflows, agents, tools, models, and infrastructure. Collaborate with engineering, product, infrastructure, and data science teams to turn requirements into reliable systems. What we need to see: 5+ years of experience and a practical understanding of how AI agents are built, including tool use, state, context, and multi-step execution. Bachelors degree or equivalent experience. Experience with at least one open-source agent or LLM application framework, such as LangChain/LangGraph. Strong software engineering background, especially in backend development. Experience with distributed systems, workflow orchestration, and prod

Location: Kfar Saba, IL (hybrid) ERGO NEXT's mission is to help entrepreneurs thrive. We’re doing that by building the only technology-led, full-stack provider of small business insurance in the industry, taking on the entire value chain and transforming the customer experience. Simply put, wherever you find small businesses, you’ll find ERGO NEXT. Since 2016, we’ve helped hundreds of thousands of small business customers across the United States get fast, customized and affordable coverage. We’re backed by industry leaders in insurance and tech, and we still have room to grow — that’s where you come in. As a Senior Frontend Engineer on our Website team, you will build and own the public face of NEXT Insurance. You will be responsible for creating seamless digital experiences, driving business growth, and optimizing our web presence for millions of small business owners across the US. This role sits at the critical intersection of high-scale engineering, product design, and growth marketing. We are looking for someone with deep expertise in React/NextJS, web performance (Core Web Vitals), SEO, and custom marketing integrations who takes pride in crafting fast, accessible, and scalable web applications. What You’ll Do Drive Frontend Excellence: Architect, build, and scale high-performance web experiences using React/NextJS and modern frontend standards. Master Web Performance: Own, monitor, and continuously optimize site speed and Core Web Vitals (LCP, INP, TBT) to ensure outstanding user experience and top-tier SEO performance. Business-Driven Growth Enablement: Partner closely with Marketing, Product Managers, and Data Analysts to build tools for SEM campaigns, custom tracking, and conversion funnels.: Partner closely with Marketing, Product Managers, and Data Analysts to build tools for SEM campaigns, custom tracking, and conversion funnels. End-to-End Ownership: Lead features across the entire lifecycle—from technical scoping and design to implementation, a

Who is Tenable? Tenable® is the Exposure Management company. Over 40,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. Our global employees support 65 percent of the Fortune 500, 50 percent of the Global 2000, and large government agencies. Come be part of our journey! What makes Tenable such a great place to work? Ask a member of our team and they’ll answer, “Our people!” We work together to build and innovate best-in-class cybersecurity solutions for our customers; all while creating a culture of belonging, respect, and excellence where we can be our best selves. When you’re part of our #OneTenable team, you can expect to partner with some of the most talented and passionate people in the industry, and have the support and resources you need to do work that truly matters. We deliver results that exceed expectations and we win together! Your Role: As Senior Product Manager for Platform Core, you will define and lead the shared foundation of Tenable Cloud Exposure and AI Exposure. You will combine deep technical expertise, strong customer relationships, and a forward-looking product vision to shape the platform’s evolution. This is a high-impact individual contributor role with broad ownership across data, access, integrations, and shared customer experiences. You will lead across product and engineering teams, identify opportunities for innovation, and turn complex customer needs into scalable capabilities that strengthen the entire platform. Your Opportunity: Define and drive the long-term vision, strategy, and roadmap for Tenable Cloud Security and AI Exposure Platform aspects , anticipating customer needs and opening new possibilities for the platform. Build close relationships with customers and prospects to understand their workflows, uncover unmet needs, and validate product direction. Lead technically complex capabilities across the unified data model, APIs, integrations, and access management, partnering with engineerin

Who is Tenable? Tenable® is the Exposure Management company. Over 40,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. Our global employees support 65 percent of the Fortune 500, 50 percent of the Global 2000, and large government agencies. Come be part of our journey! What makes Tenable such a great place to work? Ask a member of our team and they’ll answer, “Our people!” We work together to build and innovate best-in-class cybersecurity solutions for our customers; all while creating a culture of belonging, respect, and excellence where we can be our best selves. When you’re part of our #OneTenable team, you can expect to partner with some of the most talented and passionate people in the industry, and have the support and resources you need to do work that truly matters. We deliver results that exceed expectations and we win together! Your Role: Design and develop complex, scalable, and high-performance features and systems within your team, ensuring clean, efficient, and maintainable code. Collaborate closely with product managers, architects, and fellow engineers to help shape technical approaches and project plans for your team’s roadmap. Provide technical input and recommendations to ensure solutions align with business objectives, compliance standards, and long-term maintainability, escalating cross-team architectural questions to staff/principal engineers as needed. Diagnose and resolve complex production issues within your team’s systems, driving root cause analysis and fixes, and escalating the most critical, cross-system issues appropriately. Mentor engineers through code review, pairing, and day-to-day guidance, helping raise the quality bar within the team. Review team members’ code with a focus on improving design and implementation quality. Your Opportunity: Develop and maintain key components and features, integrating new functionality and helping maintain the reliability and scalability of core infrastructure.

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. What is The Role The Prism team builds the systems that turn Elastic Security's raw data into a trustworthy picture of the users, hosts, and services in a customer's environment. We power the Entity Store, entity risk scoring, entity resolution, and the data maintainers that analysts rely on to understand who did what, what's risky, and what to investigate next. We build features that have to work at scale, and we care deeply about correctness and performance. As a senior engineer, you will lead technical work across this area. You'll partner with product, design, and engineering to turn hard, ambiguous problems into reliable, performant systems that ship to real security teams. We're a distributed team — we work across time zones and collaborate in GitHub, Slack, design reviews, and code reviews. What You Will Be Doing Own small-to-medium projects from technical design through production, including data modeling, background tasks, and APIs. Make our features fast and reliable at scale: profile and optimize queries, tame timeouts, and design for a range of customer topologies. Write high-quality TypeScript and React code, with Node.js services and APIs where needed. Build telemetry, tests, and safeguards so the systems behave predictably in production. Review code, support teammates, and improve team practices. Partner with teams ac