Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Funding and backers

Total raised
$17.5M
1 round on record
Latest round
$17.5M
Venture round · Apr 2024 · 2 yr ago
Team
62
US Form 5500 (plan participants) · Dec 2025
Hiring now
30
+3 posted in 30 days
Backers
3
Earthrise Ventures, Fika Ventures
The money's age
Long since its last round
29 months since the last round · and hiring
Momentum
29/100
hiring for its size, a new city, in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Apr 30, 2024 Raised a round Venture round $17.5M · SEC Form D 2022 Founded
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
Hacker News stories
1
best: 2 points
Funding rounds
RoundDateAmountInvestorsSource
Venture round Apr 2024 $17.5M — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity Sift Stack, Inc. SEC Form D
Founders and leadersfrom filings, registers and the company's site
Karthik GollapudiExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
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Resolve AI handles all alerts, performs root cause analysis, and troubleshoots incidents within minutes.
ObserveFounded 2017 • 201-500 employees
Observe builds an observability platform that stores telemetry in a data lake and applies machine learning to explain incidents. Founded in…
NominalSeries B $80M · 8 mo ago • Founded 2023 • 501-1000 employees • 39 roles
Nominal builds a connected test and operations platform for hardware engineering teams, ingesting test and telemetry data, analyzing…
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Quix is a London data infrastructure company founded in 2020 that makes stream processing accessible to Python developers. Its platform…
EdgedeltaVenture round $63M · 4 yr ago • Founded 2018 • 201-500 employees • 1 role
Observability that investigates every alert before an engineer looks. Root causes, evidence, and timeline ready by the time you do.
AssertsFounded 2020
Asserts contextualizes your observability data into actionable root cause insights aligned to your SLOs.

How Sift hires

Truth index
B 82/100
Median time to fill
56 days
Ghost roles
0%
Stale roles
71%
Reposted roles
0%

Sift scores B on the Alion truth index (A is best, E worst), measured over 7 open roles re-checked against its own hiring board: 0% look like ghost listings, 71% have gone stale and 0% are the same role posted again. Its roles close in a median of 56 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed

Visa sponsorship

  • United States · Filed H-1B visas in the last two years

Visa details by country

Overview

Sift is a software company that provides a unified data observability platform specifically designed for mission-critical hardware and complex physical machines. Founded by former SpaceX engineers, the company's software replaces fragmented internal tooling by streamlining real-time telemetry ingestion, storage, automated anomaly detection, and root-cause analysis. Headquartered in El Segundo, California, it serves engineering teams across high-stakes industries such as aerospace, defense, autonomous systems, and transportation.

News

News siftstack.com 29 days ago
Key-level Watermarking for More Reliable Hardware Telemetry - Sift
Sift introduces key-level watermarking on top of Flink, enabling real-time, time-aligned multi-channel telemetry rules processing with greater reliability.
Read more
Report

Tech stack

Technologies named in job postings at Sift over the last 12 months, by layer, with the share of postings for each.
Technologies in use
58
Postings analysed
41
Stack modernity
74/100AI adopter
Languages
Go80%
TypeScript76%
JavaScript76%
Rust54%
Frameworks & libraries
React.js76%
Flink76%
Redux68%
Next.js39%
Databases
PostgreSQL49%
InfluxDB37%
Druid34%
DuckDB27%
Cloud & platforms
AWS85%
Kubernetes76%
GitHub Actions76%
Apache Kafka66%
AI & ML
LLM34%
Sign in to see how your skills match this stack Sign In
Full Sift tech stack 58 technologies · by team · pay by technology · changes · similar stacks

Salary insights

Compensation ranges based on this company's open jobs
Median
$200k
Typical range
$125k – $265k
Open positions
30
26 Jobs
Junior 15.4%
Middle 23.1%
Senior 38.5%
Staff 23.1%
Level Jobs Median Typical range
Junior 4 $175k $175k
Middle 6 $200k $200k
Senior 10 $230k $200k – $230k
Staff 6 $260k $250k – $265k
Highest paying role Software Engineering Manager (Mission Ops) $265k
Normalized to USD per year
All salaries at Sift By role, level and city, against the market · 30 jobs with pay

People

Karthik Gollapudi
Executive Officer, Director
Austin Spiegel
Director
Crystal Huang
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Growth

Hiring Momentum
68/100
Growing
Open positions
30
3 opened / 17 closed in 30 days
Median time-to-fill
60 days
faster than 23% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics +100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
38% ▼
Frontend
26% ▼
Sales
19% ▲
Marketing
7% ▲
Leadership
5% ▲
Security
2% ▼
Activity Timeline
New location: Marina del Rey Oct 2026
Added Incident Management to stack Oct 2026
Added Anomaly Detection to stack Oct 2026
Added Agile to stack Oct 2026
New location: United States Sep 2026
Added Apache HTTP Server to stack Sep 2026
Added Machine Learning to stack Sep 2026
Added Linux to stack Sep 2026
New location: London Sep 2026
Added Tool Use to stack Sep 2026
Added Salesforce to stack Sep 2026
Added LinkedIn to stack Sep 2026

Offices

Where the company hires and what each office is for
Cities
3
Hiring now
2
Countries
1
Busiest office
Marina del Rey
Loading the map
Headquarters Builds here Office with open vacancies No open vacancies right now Tap a pin for the office
El Segundo United States
HQ
Marina del Rey United States
Engineering / R&D
19 open roles 16 posted in 90 days 63% engineering 200-500 est. staff $212k Avg Salary
hires for Backend, Frontend, Sales
4505 Glencoe Ave, Marina del Rey, CA, US
seen since Oct 2025 company site, job postings
San Francisco United States
Engineering / R&D
16 open roles 21 posted in 90 days 69% engineering 200-500 est. staff $203k Avg Salary
hires for Backend, Frontend, Sales
seen since Oct 2025 job postings
Earlier presence
London, United Kingdom 2 open roles · last posting Jul 2026

Jobs

$160k – $250k per year • Hybrid • Full-Time • 7+ years exp • Marina del Rey
Go
JavaScript
TypeScript
Druid
DuckDB
InfluxDB
Apache Kafka
QuestDB
Redpanda
AI/ML
Flink
Time Series Forecasting
Frontend
Redux
Tailwind CSS
D3.js
React.js
WebAssembly
WebGPU
Apache ECharts
DevOps
Terraform
GCP
GitHub Actions
Azure
AWS
Docker
Kubernetes
Apache HTTP Server
Apply
$160k – $200k per year • Hybrid • Full-Time • 3+ years exp • Marina del Rey
Python
Go
JavaScript
Rust
TypeScript
PostgreSQL
Druid
AI/ML
Flink
Time Series Forecasting
Frontend
Redux
Next.js
D3.js
React.js
WebAssembly
Apache ECharts
DevOps
gRPC
Terraform
GitHub Actions
Terragrunt
Kustomize
Prometheus
ArgoCD
AWS
Docker
Kubernetes
Grafana
Linux
Apache HTTP Server
Apply
$180k – $230k per year • Hybrid • Full-Time • 8+ years exp • Marina del Rey
Python
Go
JavaScript
Rust
TypeScript
PostgreSQL
Druid
AI/ML
Flink
Time Series Forecasting
Frontend
Redux
Next.js
D3.js
React.js
WebAssembly
Apache ECharts
DevOps
gRPC
Terraform
GitHub Actions
Terragrunt
Kustomize
Prometheus
ArgoCD
AWS
Docker
Kubernetes
Grafana
Linux
Apache HTTP Server
Apply
$200k – $265k per year • Equity • Hybrid • Full-Time • 7+ years exp • Bachelor's Degree • Marina del Rey
Python
Go
JavaScript
Rust
TypeScript
PostgreSQL
AI/ML
Flink
Frontend
Redux
React.js
DevOps
gRPC
Terraform
GitHub Actions
Terragrunt
Kustomize
Prometheus
ArgoCD
AWS
Docker
Kubernetes
Grafana
Linux
Management
Agile
Apply
$200k – $265k per year • Equity • Hybrid • Full-Time • 7+ years exp • Bachelor's Degree • Marina del Rey
Python
Go
JavaScript
Rust
TypeScript
PostgreSQL
AI/ML
Flink
Anomaly Detection
Time Series Forecasting
Frontend
Redux
React.js
DevOps
gRPC
Terraform
GitHub Actions
Terragrunt
Kustomize
Prometheus
ArgoCD
AWS
Docker
Kubernetes
Grafana
Incident Management
Linux
Management
Agile
Apply
$180k – $230k per year • Hybrid • Full-Time • 5+ years exp • San Francisco
Go
JavaScript
TypeScript
Druid
DuckDB
InfluxDB
Apache Kafka
QuestDB
Redpanda
AI/ML
Flink
Time Series Forecasting
Frontend
Redux
Tailwind CSS
Next.js
D3.js
React.js
Radix UI
WebAssembly
Apache ECharts
DevOps
Terraform
GCP
GitHub Actions
Azure
AWS
Docker
Kubernetes
Apache HTTP Server
Apply
$180k – $230k per year • Hybrid • Full-Time • 5+ years exp • Marina del Rey
Go
JavaScript
TypeScript
Druid
DuckDB
InfluxDB
Apache Kafka
QuestDB
Redpanda
AI/ML
Flink
Time Series Forecasting
Frontend
Redux
Tailwind CSS
Next.js
D3.js
React.js
Radix UI
WebAssembly
Apache ECharts
DevOps
Terraform
GCP
GitHub Actions
Azure
AWS
Docker
Kubernetes
Apache HTTP Server
Apply
$160k – $200k per year • Hybrid • Full-Time • 3+ years exp • Marina del Rey
Go
JavaScript
TypeScript
Druid
DuckDB
InfluxDB
Apache Kafka
QuestDB
Redpanda
AI/ML
Flink
Time Series Forecasting
Frontend
Redux
Tailwind CSS
Next.js
D3.js
React.js
Radix UI
WebAssembly
Apache ECharts
DevOps
Terraform
GCP
GitHub Actions
Azure
AWS
Docker
Kubernetes
Apache HTTP Server
Apply
$160k – $200k per year • Hybrid • Full-Time • 3+ years exp • San Francisco
Go
JavaScript
TypeScript
Druid
DuckDB
InfluxDB
Apache Kafka
QuestDB
Redpanda
AI/ML
Flink
Time Series Forecasting
Frontend
Redux
Tailwind CSS
Next.js
D3.js
React.js
Radix UI
WebAssembly
Apache ECharts
DevOps
Terraform
GCP
GitHub Actions
Azure
AWS
Docker
Kubernetes
Apache HTTP Server
Apply
$125k – $175k per year • Hybrid • Full-Time • 2+ years exp • Bachelor's Degree • San Francisco
Python
SQL
InfluxDB
Apache Kafka
AI/ML
Time Series Forecasting
Machine Learning
DevOps
Rest API
GCP
Azure
AWS
Apply
$125k – $175k per year • Hybrid • Full-Time • 2+ years exp • Bachelor's Degree • San Francisco
Python
SQL
InfluxDB
Apache Kafka
AI/ML
Time Series Forecasting
Machine Learning
DevOps
Rest API
GCP
Azure
AWS
Apply
$160k – $200k per year • Hybrid • Full-Time • 3+ years exp • San Francisco
Go
JavaScript
TypeScript
Druid
DuckDB
InfluxDB
Apache Kafka
QuestDB
Redpanda
AI/ML
AI Agents
Flink
LLM
Time Series Forecasting
Frontend
Redux
Tailwind CSS
Next.js
D3.js
React.js
Radix UI
WebAssembly
Apache ECharts
DevOps
Terraform
GCP
GitHub Actions
Azure
AWS
Docker
Kubernetes
Apache HTTP Server
Apply

Financials

Total raised
$17.5M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
Round Announced Amount
Venture - Series Unknown 2024 $17.5M Details