Software Engineer, Frontend

Siftstack
San Francisco, CA
On-siteCareer-pivot friendly

Who this role is best for

Aimed at mid-level frontend engineers who can build scalable, high-performance visualization tools for technical users. Candidates should have experience with React, TypeScript, and real-time data systems, and be open to in-person collaboration in Southern California.

Best fit for

  • Mid-level frontend engineers with a background in data visualization and technical tooling
    — “3+ years of professional experience building web applications and data-driven tools”
  • Individuals who have worked on real-time data systems and design systems
    — “Create intuitive user interfaces for data exploration while optimizing for large real-time datasets”
  • Candidates comfortable with cross-functional collaboration and API design
    — “Collaborate with backend teams on API design and implementation for seamless user experiences”

Things to consider

  • Must be a U.S. citizen or lawful permanent resident due to ITAR/EAR compliance
    — “U.S. Person Required: Must be a U.S. citizen, lawful permanent resident”
  • Requires in-person collaboration twice a week in Southern California
    — “We collaborate in person twice a week—on Mondays and Thursdays”

How to stand out

  • Highlight experience with time-series data and technical visualization tools in your resume
    — “Experience with technical visualization tools (WebGL, D3.js, Apache ECharts) and time-series data”
  • Showcase participation in technical design discussions and code maintainability practices
    — “Write clean, maintainable code and participate in technical design discussions”
  • Emphasize any experience with building reusable component libraries or design systems
    — “Experience with modern CSS (Tailwind) and component libraries (Radix UI) for building design systems”
  • Mention any side projects with consistent usage traffic to demonstrate initiative
    — “Built and launched side projects with consistent usage traffic”
Pace · SteadyCollaboration · MediumAutonomy · MediumDecision Impact · TeamLevel · Mid

Derived from job-description analysis by Serendipath's career intelligence engine.

Skills & requirements

Required

Web DevelopmentReactTypeScriptWeb Performance OptimizationData Visualization

Preferred

WebglD3.jsWebassemblyScientific ComputingTechnical Data Visualization

Stack & domain

ReactNext.jsTypeScriptTailwindRadix UIWebglD3.jsApache EchartsWebassemblyGoParquetFlinkKafkaRedpandaBeamDuckdbTimescaleInfluxdbDruidGithub ActionsAWSAzureGCPDockerKubernetesTerraformWeb ApplicationsData-driven ToolsTelemetry DataData VisualizationAPI DesignBackendWeb Performance OptimizationBrowser RenderingModern CSSComponent LibrariesTechnical VisualizationTime-series DataScientific ComputingTechnical Data VisualizationTools For Technical UsersDashboardsData-editing Environments

About the role

Original posting from Siftstack via Ashby

ABOUT SIFT

Sift is the data infrastructure platform for hardware engineering teams. Sift turns high-frequency telemetry into engineering insights for mission-critical systems. Teams use Sift to build and operate rockets, satellites, autonomous vehicles, energy systems, defense platforms, and more.

Founded by former SpaceX engineers who built the tools behind Dragon and Starlink, Sift is building the data infrastructure to herald the AI era for physical systems.

In This Role, You'll:

  • Build high-performance data visualization interfaces and reusable component libraries for complex telemetry data
  • Create intuitive user interfaces for data exploration while optimizing for large real-time datasets
  • Collaborate with backend teams on API design and implementation for seamless user experiences
  • Write clean, maintainable code and participate in technical design discussions

The Skillset You'll Bring:

  • 3+ years of professional experience building web applications and data-driven tools
  • Strong experience building production applications with technologies like React, NextJS, and TypeScript
  • Strong understanding of web performance optimization and browser rendering
  • Experience with modern CSS (Tailwind) and component libraries (Radix UI) for building design systems

Bonus Points:

  • Experience with technical visualization tools (WebGL, D3.js, Apache ECharts) and time-series data
  • Knowledge of WebAssembly and browser-based computation
  • Background in scientific computing or technical data visualization
  • Experience building tools for technical users (dashboards, data-editing environments)
  • Built and launched side projects with consistent usage traffic

Engineering At SIFT:

You'll have the opportunity to help evolve and scale our platform because we're still in the early stages of building the product. Relevant technologies include:

  • Web frontend & backend: React, TypeScript, Redux, Tailwind, WebAssembly, D3.js, WebGL, and Go 
  • Data: Parquet, Flink, Kafka, Redpanda, Beam, DuckDB, Timescale, QuestDB, InfluxDB, and Druid
  • Infrastructure: GitHub Actions, AWS, Azure, GCP, Docker, Kubernetes, and Terraform

Location:

Sift’s headquarters is in Marina Del Rey, CA (Next to LAX). We collaborate in person twice a week—on Mondays and Thursdays—and come together for a full week every two months. We are open to relocating candidates to LA or working from our San Francisco office for the right candidate.

Salary range: $160,000 - $200,000 per year. Plus equity and benefits.

Eligibility:

U.S. Person Required: Must be a U.S. citizen, lawful permanent resident, or protected individual such as an asylee or refugee in compliance with ITAR (International Traffic in Arms Regulations) / EAR (Export Administration Regulations) regulations.

Source: Siftstack careers (Ashby)

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