Spectrumeffect logo
Spectrumeffect logo

Spectrumeffect

spectrumeffect.com
spectrumeffect.com • HQ: Kirkland, United States • Venture - Series Unknown 2025 • 51-200 employees • Founded 2015 • Startup • New
HQ: Kirkland, United States • Venture - Series Unknown 2025 • 51-200 employees • Founded 2015 • Startup • New
Actively hiring
Telecom Infrastructure
Mobile Networks
Telecommunications
View 1 job
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Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Funding and backers

Total raised
$15.4M
5 rounds on record
Latest round
$2.1M
Venture round · Jan 2025 · 20 mo ago
Team
14
US Form 5500 (plan participants) · Dec 2025 · +8% in a year
Hiring now
1
+1 posted in 30 days
The money's age
Due for its next round
20 months since the last round · and hiring
Momentum
23/100
hiring for its size, a new city
Last sign of life
this month
a posting or a news item
Tractionpublic signals, read monthly
Web presence
top 8%
of 133.2M domains by links, Common Crawl
Funding rounds
RoundDateAmountInvestorsSource
Venture round Jan 2025 $2.1M — SEC Form D
Venture round Jul 2023 $1.9M — SEC Form D
Convertible Note Oct 2022 $2.5M — SEC Form D
Venture round Dec 2020 $8M — SEC Form D
Venture round Jul 2015 $878k — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity Spectrum Effect, Inc. sec
Founders and leadersfrom filings, registers and the company's site
Mary DoughertyExecutive OfficerSEC Form D
Charles JudsonExecutive OfficerSEC Form D
William TargettExecutive OfficerSEC Form D
Charles ImmendorfExecutive OfficerSEC Form D
Debby ToyeExecutive OfficerSEC Form D
Shaun McCarthyExecutive OfficerSEC Form D
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THE EYES OF THE ENEMY HAVE CHANGED... WE MAKESigman Solutions for tomorrow's warfightersAcross Spectrums.
Highway 9
Highway 9 delivers AI wireless infrastructure for enterprise AI workloads, private mobile networks, and in-building cellular coverage.

Overview

AI Meets Spectrum. Spectrum-NET helps mobile operators drive RF interference mitigation, improve network performance, and maximize spectrum value.

Tech stack

Technologies named in job postings at Spectrumeffect over the last 12 months, by layer, with the share of postings for each.
Technologies in use
19
Postings analysed
2
Stack modernity
77/100
Languages
Python
C++
Rust
JavaScript
TypeScript
Frameworks & libraries
NumPy
Pandas
Angular
React.js
SciPy
Vue.js
Databases
InfluxDB
Cloud & platforms
Kubernetes
Linux
Apache Kafka
Developer tools
Docker
Helm
Practices & domains
Machine Learning
CI/CD
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People

Mary Dougherty
Executive Officer
SEC Form D
Charles Judson
Executive Officer
SEC Form D
William Targett
Executive Officer
SEC Form D
Charles Immendorf
Executive Officer
SEC Form D
Debby Toye
Executive Officer
SEC Form D
Shaun McCarthy
Executive Officer
SEC Form D
Scot Jarvis
Director
SEC Form D
Gary Sledge
Director
SEC Form D
Bruce Brda
Director
SEC Form D
John Saw
Director
SEC Form D
Joseph Landy
Director
SEC Form D
Kishen Mangat
Director
SEC Form D
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove

Growth

Hiring Momentum
75/100
Scaling fast
Open positions
1
1 opened / 1 closed in 30 days
Median time-to-fill
180 days
faster than 12% of the market
ATS activity
Every ~23 hours
09/27/2026
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
100% ▲
Activity Timeline
New location: Bellevue Sep 2026
Added Machine Learning to stack Sep 2026

Offices

Where the company hires and what each office is for
Cities
2
Hiring now
1
Countries
1
Busiest office
Bellevue
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Headquarters Builds here Office with open vacancies No open vacancies right now Tap a pin for the office
Kirkland United States
HQ
Bellevue United States
1 open roles 1 posted in 90 days 100% engineering 50-200 est. staff
hires for Backend
3055 112th Avenue Northeast
seen since Sep 2026 job postings
Earlier presence
San Pedro, Mexico 1 open roles · last posting Mar 2026

Jobs

≈ $143k – $279k per year (Estimated) • Equity • Hybrid • Full-Time • 10+ years exp • Bachelor's Degree • Bellevue
Python
JavaScript
Rust
TypeScript
C++
InfluxDB
Apache Kafka
AI/ML
SciPy
NumPy
Frontend
Vue.js
Angular
React.js
DevOps
Helm
CI/CD
Docker
Kubernetes
Linux
Management
Outlook
Apply

Financials

Total raised
$15.4M
Latest round
Venture - Series Unknown
Funding rounds
5
Funding rounds
Round Announced Amount
Venture - Series Unknown 2025 $2.1M Details
Venture - Series Unknown 2023 $1.9M Details
Convertible Note 2022 $2.5M Details
Venture - Series Unknown 2020 $8M Details
Venture - Series Unknown 2015 $878k Details