Senior Frontend Software Engineer

• As an early engineer at Sift, you won’t just write code—you’ll help define the architecture, shape the product, and influence the culture of a company focused on solving real engineering problems
• 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
• 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

Benefits

• Top-tier health insurance: Medical, Vision, & Dental
• Free lunch, snacks, & coffee
• Unlimited PTO- If you’re looking for complex technical challenges and the opportunity to build foundational systems supporting complex machines from the ground up, we want to hear from you
• Strong experience building production applications with technologies like React, NextJS, and TypeScript
• Experience with modern CSS (Tailwind) and component libraries (Radix UI) for building design systems
• Strong understanding of web performance optimization and browser rendering
• 5+ years of professional experience building web applications and data-driven tools
• Knowledge of WebAssembly and browser-based computation
• Experience with technical visualization tools (WebGL, D3.js, Apache ECharts) and time-series data
• 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