Elastic

Elastic is a leading platform for search-powered solutions, providing real-time insights and making data usable for developers and enterprises worldwide.

Internet Software & Services

Information Technology

1K-5K (3335)

Founded 2010

41 open positions

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Principal Software Engineer - Agent Builder - Search

1 hour, 27 minutes ago

United Kingdom

Full-time

Lead

Backend Engineer

Software Development

Elasticsearch Generative AI gRPC Kibana Microservices Node.js OpenTelemetry REST API TypeScript WebSockets

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Elastic

Elastic is a leading platform for search-powered solutions, providing real-time insights and making data usable for developers and enterprises worldwide.

Internet Software & Services

1K-5K

Founded 2010

View All Jobs 41

Description

Own the architecture for chat back-end services in Node/TypeScript, including service boundaries, data contracts, and scalability targets.
Lead cross-team design reviews and author ADRs and RFCs that establish reference standards.
Build and harden event-driven pipelines for chat telemetry, evaluation traces, and LLM feedback loops.
Expose telemetry and analytics through self-service endpoints for internal users and systems.
Define reliability practices, including error budgets, testing strategy, and incident-response playbooks for conversational workloads.
Mentor senior and junior engineers and help grow their system design capabilities.
Partner with Product, Design, and Data Science to turn ambiguous product goals into incremental, testable work.
Represent Elastic in open-source AI communities through design proposals, blog posts, and conference talks.

Requirements

10+ years building distributed, production SaaS services.
At least 5 years leading large-scale Node/TypeScript or similar back-end stacks.
Deep expertise in distributed systems fundamentals, including shard routing, consensus, eventual consistency, back-pressure, and circuit-breaker patterns.
Experience designing high-throughput, low-latency APIs such as gRPC, REST, or WebSocket.
Experience with streaming responses and resumable sessions.
Hands-on experience with observability tools and practices, including OpenTelemetry, log/metric pipelines, synthetic checks, and SLO dashboards.
Exposure to LLM tooling such as LangChain, LangGraph, OpenAI function calls, vector search, and RAG orchestration.
Clear and persuasive written communication for ADRs and RFCs.
Nice to have: contribution history to Kibana or other large SPAs.
Nice to have: ability to prototype front-end dashboards when it unblocks back-end work.

Benefits

Competitive pay based on the work you do, not your previous salary.
Health coverage for you and your family in many locations.
Flexible locations and schedules for many roles.
Generous vacation days each year.
Up to $2,000 (or local currency equivalent) in matching for financial donations and service.
Up to 40 hours each year for volunteer projects.
Minimum of 16 weeks of parental leave.

Interested in this position?

Apply directly on the company website

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