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Senior FullStack Engineer - Real User Monitoring (RUM) | US | Remote

Join Grafana Labs as a Senior FullStack Engineer to build and evolve observability features for Real User Monitoring in a fully remote environment.

Location
United States (Remote)
Compensation
$154.4k–$185.3k/yr
Level
senior
Type
full time · Remote

Posted by employer 2 days ago

First seen on Joblaze 1 day ago

Last verified on the company career page 5 hours ago

What you'll build

  • Build and evolve fullstack features for RUM
  • Design and implement systems that ingest, store, and query telemetry data
  • Develop performant query layers and APIs
  • Contribute to frontend applications that visualize RUM data
  • Collaborate closely with SDK engineers

Must have

  • 5+ years of fullstack engineering experience
  • Frontend experience, TypeScript and React
  • Backend experience, Go is preferred
  • Experience building or operating distributed systems in production
  • Strong understanding of data modeling and query optimization

Nice to have

  • Experience with browser or mobile instrumentation
  • Mobile development experience (iOS or Android)
  • Contributions to OpenTelemetry or other observability OSS
  • Experience building developer-facing platforms
  • Familiarity with session replay or user behavior analytics systems

AI in the day-to-day

You can use modern AI coding assistants as part of your daily workflow, backed by a company-funded usage budget.

Requirements

Experience
5+ years

Not disclosed in this posting: visa sponsorship.

Benefits

Equity/Stock Options Remote Work 30 days annual leave In-Person Onboarding

Joblaze summary

In this role, the Senior FullStack Engineer will focus on developing and enhancing features for Grafana's Real User Monitoring initiative, which involves building systems to capture and analyze high-volume user interaction data. Key skills include proficiency in TypeScript and React for frontend development, along with backend experience in Go, and familiarity with distributed systems and cloud-native technologies. This position is ideal for experienced engineers with a strong background in fullstack development and a customer-focused mindset. Grafana Labs promotes a collaborative and transparent culture, emphasizing innovation and autonomy.

Joblaze insights

  • Listed yesterday — first seen on Joblaze September 26, 2026. Last confirmed on Grafana Labs's careers page September 27, 2026.
  • Salary band is in line with the typical range for Fullstack roles (median ~$165,000).
  • Starts above 24% of 104 comparable senior fullstack roles in United States that list React we track (median $170,000 across 53 companies). See React salary trends
  • React appears in 71.2% of 233 comparable senior fullstack roles in United States; OpenTelemetry appears in 0.9% of 233 comparable senior fullstack roles in United States.

Quick facts

Is the Senior FullStack Engineer - Real User Monitoring (RUM) | US | Remote role remote?
Yes — Grafana Labs lists this as a fully remote position.
What's the salary range?
Grafana Labs lists $154,445–$185,334 for this role.
How much experience is required?
At least 5 years of relevant experience for this Senior FullStack Engineer - Real User Monitoring (RUM) | US | Remote role.
What's the tech stack?
Joblaze extracted these technologies from the posting: AWS, Apache Pinot, Azure, Cassandra, ClickHouse, Docker.
What seniority level is this role?
Grafana Labs targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Senior FullStack Engineer - Real User Monitoring (RUM) | US | Remote role at Grafana Labs.

From the original posting

Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and observability to AI, giving teams (and their agents) unified visibility so they can see, understand, and act on all their disparate data, wherever it lives, and move at the speed of their ambitions. Customers, including Anthropic, Bloomberg, NVIDIA, Microsoft, and Salesforce, rely on Grafana Labs. We are a 100% remote company with team members across 40+ countries, backed by leading investors including Lightspeed Venture Partners, Sequoia Capital, GIC, Coatue, J.P. Morgan, CapitalG, and Lead Edge Capital. Learn more at grafana.com and follow us on LinkedIn and X.

The opportunity

Grafana Observability builds end-to-end observability that spans application, infrastructure, database, browser, and mobile. Our Real User Monitoring (RUM) initiative focuses on capturing, storing, and querying high-volume user interaction data from browsers and mobile devices, enabling teams to understand real-world user experiences at scale.

We’re building systems that ingest and process massive amounts of telemetry – sessions, events, traces, and logs – and make them explorable in real time. You’ll have the opportunity to work on high-performance backend systems, columnar storage databases, and intuitive frontend experiences.

Our solutions are tightly integrated with OpenTelemetry and Grafana Cloud. We care deeply about performance, cost-efficiency, and developer experience across the entire stack. From instrumentation to query layer to visualization.

We value open standards, great developer experience, and doing the hard engineering needed to ship reliable software at scale. You may not meet every requirement below. If this role excites you, please raise your hand.

What you’ll be doing

  • Build and evolve fullstack features for RUM, starting with the frontend user experience that spans our backend services, APIs, storage systems.
  • Design and implement systems that ingest, store, and query high-cardinality, high-volume telemetry data using columnar/analytical databases.
  • Develop performant query layers and APIs that power real-time exploration of user sessions, traces, and events.
  • Contribute to frontend applications that visualize RUM data, enabling users to debug performance issues and understand user behavior.
  • Work on data modeling, indexing strategies, and query optimization to ensure low-latency, cost-efficient analytics at scale.
  • Collaborate closely with SDK engineers (browser and mobile) to ensure high-quality data ingestion and schema evolution.
  • Own projects end-to-end: from design and implementation to deployment, monitoring, and iteration.
  • Break down complex, ambiguous problems into incremental deliverables and iterate quickly based on feedback.
  • Ensure quality through testing, observability of your own systems, documentation, and smooth upgrade paths.
  • Collaborate cross-functionally with backend, frontend, product, and solutions engineering to deliver cohesive observability workflows.
  • Support teammates, participate in technical design discussions and help shape the RUM roadmap.

We invest heavily in developer productivity. You can use modern AI coding assistants as part of your daily workflow (your choice of tools, within security guidelines), backed by a company-funded usage budget so you can iterate quickly without unnecessary friction.

We encourage pragmatic AI-assisted development: faster prototyping, test generation, refactors, documentation, and incident follow-ups (always paired with strong code review and quality standards).

You’ll also have access to frontier models.

What makes you a great fit

  • 5+ years of fullstack engineering experience with strong frontend fundamentals
  • Frontend experience, TypeScript and React. Backend experience, Go is preferred.
  • Experience building or operating distributed systems in production (e.g., Kafka, WarpStream, Apache Pinot, ClickHouse, Cassandra, Postgres)
  • Familiarity with cloud-native systems (Docker, Kubernetes, AWS, GCP, Azure)
  • Experience working with high-throughput, high-cardinality data (logs, metrics, traces, events)
  • Strong understanding of data modeling, query optimization, and performance tradeoffs
  • Experience designing and building APIs and distributed services
  • Experience building data-heavy UIs (dashboards, query tools, debugging interfaces)
  • Familiarity with observability concepts (traces, logs, metrics) and/or OpenTelemetry
  • Strong communication skills and ability to work in a remote, distributed team
  • Pragmatic, self-driven, and comfortable navigating ambiguity
  • Customer-focused mindset with a passion for developer experience

Bonus / nice-to-have

  • Experience with browser or mobile instrumentation (RUM SDKs, telemetry collection).
  • Mobile development experience (iOS or Android) or familiarity with mobile performance and telemetry.
  • Contributions to OpenTelemetry or other observability OSS.
  • Experience building developer-facing platforms or observability products.
  • Familiarity with session replay, sampling strategies, or user behavior analytics systems.


In US, the OTE (On-Target Earnings)/Base compensation range for this role is USD $154,445 - $185.334. Actual compensation may vary based on level, experience, and skillset as assessed throughout the interview process. All of our roles include Restricted Stock Units (RSUs), giving every team member ownership in Grafana Labs' success. We believe in shared outcomes—RSUs help us stay aligned and invested as we scale globally.

*Compensation ranges are country specific. If you are applying for this role from a different location than listed above, your recruiter will discuss your specific market’s defined pay range & benefits at the beginning of the process.

#LI-Remote

Standard company text repeated across Grafana Labs's postings is omitted here.

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