1Komma5
1komma5.com
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Overview
1KOMMA5° is a clean energy technology and climate tech company headquartered in Hamburg, Germany. Founded in 2021, the company operates as a one-stop shop for residential decarbonization, installing solar panels, electricity storage systems, heat pumps, and electric vehicle (EV) charging stations. At the core of its platform is "Heartbeat AI," an intelligent energy management system that aggregates and optimizes home energy hardware.
News
1Komma5 releases residential battery for non-PV homeowners
1Komma5 has launched PowerHarvester, a lithium iron phosphate battery system for residential customers without solar. It is offering six power classes and storage capacities from 7.7 kWh to 27.2 kWh.
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Report
1Komma5 releases TOPCon module made with Wacker polysilicon
The company said its Full Black double-glass module, based on n-type TOPcon cell technology, has a conversion efficiency of 22.8%.
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Report
1Komma5 acquires Dutch solar installer Zonduurzaam
1Komma5, a Hamburg-based startup, is set to roll out its products and software portfolio across the Netherlands.
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Report
German startup 1Komma5 to build up to 5GW TOPCon module assembly plant
Hamburg-based energy startup 1Komma5 has planned to set up a 5GW tunnel oxide passivated contact (TOPCon) module assembly plant in Germany.
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Technologies
Tech DNA
TypeScript
Python
Node JS
Nest.JS
Next.js
React.js
Google BigQuery
PostgreSQL
Firestore
GCP
Google Cloud Run
Google GKE
Claude
AI/ML
Python
SQL
LookML
GCP
GitHub Actions
GitHub
Google BigQuery
Terraform
Cursor
Datadog
CI/CD
Vercel
AI Agents
Google Cloud Run
Claude
Google GKE
Kubernetes
OpenTelemetry
Platform Engineering
PostgreSQL
Claude Code
dbt
Firestore
Flink
RAG
OpenAI Codex
LLM Guardrails
Model Context Protocol
Self-Healing
Backstage
IAM
Frontend
TypeScript
Node JS
JavaScript
Nest.JS
Figma
Next.js
React.js
Vue.js
Other
Ruby
Go
Java
Miro
Ruby on Rails
MQTT
Linear
Notion
Power BI
Tableau
GA4
Zoho CRM
Rollup
Google Workspace
Stack modernity
76/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
GCP
13 jobs
Required
GitHub Actions
11 jobs
Required
Google BigQuery
11 jobs
Required
GitHub
11 jobs
Required
TypeScript
11 jobs
Required
Terraform
10 jobs
Required
Datadog
9 jobs
Required
Cursor
9 jobs
Required
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Python
24%
SQL
22%
CI/CD
19%
JavaScript
17%
TypeScript
13%
Kubernetes
13%
Share of companies in the same industry that use each technology.
Stack changes
Model Context Protocol
Aug 2026
LLM Guardrails
Aug 2026
OpenAI Codex
Aug 2026
IAM
Aug 2026
GitHub
Aug 2026
Vue.js
Aug 2026
Zoho CRM
Aug 2026
Tableau
Aug 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
Jobgether
Emagine
Salesforce
Jobs for Humanity
Clera
EPAM Systems
Growth
Hiring Momentum
55/100
Growing
Open positions
25
0 opened / 8 closed in 30 days
Median time-to-fill
361 days
faster than 3% of the market
ATS activity
Every ~10 hours
08/31/2026
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.
Product
37% ▼
Backend
16% ▲
Management
16% ▼
Design
11% ▲
Data Science
5% ▲
Hardware
5% ▼
Activity Timeline
New location: Hamburg
Aug 2026
Added Model Context Protocol to stack
Aug 2026
Added LLM Guardrails to stack
Aug 2026
Added OpenAI Codex to stack
Aug 2026
Added IAM to stack
Aug 2026
Added GitHub to stack
Aug 2026
Added Vue.js to stack
Aug 2026
Added Zoho CRM to stack
Aug 2026
Added Tableau to stack
Aug 2026
Added Power BI to stack
Aug 2026
Added GA4 to stack
Aug 2026
Added Google Workspace to stack
Aug 2026
Jobs
≈ $130k – $254k per year (Estimated) • Remote • Full-Time
Apply
≈ $100k – $205k per year (Estimated) • Remote • Full-Time
Claude
Cursor
Design
Figma
Apply
≈ $152k – $285k per year (Estimated) • Remote • Full-Time • 10+ years exp
Ruby
TypeScript
Node JS
JavaScript
Ruby on Rails
Node JS
Nest.JS
Databases
Google BigQuery
PostgreSQL
AI/ML
AI Agents
Claude
Cursor
Frontend
Next.js
React.js
Vue.js
DevOps
Datadog
GCP
Google Cloud Run
Google GKE
Kubernetes
Terraform
Vercel
Design
Figma
Management
Miro
Apply
≈ $81k – $170k per year (Estimated) • Remote • Full-Time
Python
SQL
Google BigQuery
AI/ML
dbt
Apply
≈ $69k – $181k per year (Estimated) • Remote • Full-Time • 5+ years exp • Berlin
Java
Ruby
TypeScript
Node JS
JavaScript
Ruby on Rails
Node JS
Nest.JS
Databases
Google BigQuery
PostgreSQL
AI/ML
AI Agents
Cursor
DevOps
CI/CD
Datadog
GCP
GitHub Actions
Google Cloud Run
Google GKE
Kubernetes
OpenTelemetry
Terraform
Vercel
GitHub
Design
Figma
IoT
MQTT
Management
Linear
Miro
Notion
Apply
≈ $66k – $164k per year (Estimated) • Remote • Full-Time • 2+ years exp
Python
SQL
Google BigQuery
AI/ML
Flink
DevOps
GCP
GitHub Actions
Terraform
GitHub
IAM
Apply
(Senior) Product Manager - Procurement & Portfolio Management (m/f/d)
Verified live · 1 hour ago 1 month ago≈ $120k – $226k per year (Estimated) • Remote • Full-Time • 4+ years exp
Python
SQL
Apply
(Lead/Senior) Technical Product Manager - Platform Engineering (m/f/d)
Verified live · 1 hour ago 1 month ago≈ $135k – $262k per year (Estimated) • Remote • Full-Time
Python
TypeScript
AI Agents
Cursor
LLM Guardrails
Model Context Protocol
DevOps
Backstage
CI/CD
Datadog
GCP
GitHub Actions
OpenTelemetry
Platform Engineering
Terraform
Vercel
GitHub
Apply
Remote • Bachelor's Degree
Figma
Apply
≈ $74k – $177k per year (Estimated) • Remote • Full-Time • 2+ years exp • Bachelor's Degree
Linear
Notion
Apply
(Senior) Software Engineer - Device Connectivity (Go) (m/f/d)
Verified live · 1 hour ago 1 month ago≈ $72k – $145k per year (Estimated) • In office • Full-Time • Bachelor's Degree • Berlin
CI/CD
IoT
MQTT
Apply
≈ $141k – $275k per year (Estimated) • Remote • Full-Time • 5+ years exp • Bachelor's Degree
TypeScript
Node JS
JavaScript
Nest.JS
Databases
Google BigQuery
AI/ML
Cursor
AI Agents
Frontend
Next.js
React.js
DevOps
Datadog
GCP
GitHub Actions
Vercel
GitHub
Design
Figma
Management
Linear
Miro
Notion
Apply
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