Phase1

Custom Software Development · Cloud Consulting & Migration

Overview

Phase1 is a Japanese IT services company that designs and builds cloud and application systems for client organisations, with a focus on Amazon Web Services migration, modernization and AI-based applications. It hires AWS cloud architects, Java application developers, project managers and infrastructure and web application engineers. The company is headquartered in Tokyo, Japan.

How Phase1 hires

Truth index
D 51/100
Ghost roles
82%
Stale roles
0%
Reposted roles
0%

Phase1 scores D on the Alion truth index (A is best, E worst), measured over 17 open roles re-checked against its own hiring board: 82% look like ghost listings, 0% have gone stale and 0% are the same role posted again. 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

Jobs

$31k – $46k per year · In office · Full-Time · Tokyo
Java
TypeScript
C#
Spring Boot
C#
.NET
AI/ML
AWS Bedrock
LLM
RAG
DevOps
Terraform
CloudFormation
CI/CD
Jenkins
AWS
Docker
Kubernetes
Amazon EKS
AWS Lambda
Amazon EC2
FinOps
GitHub
Amazon S3
IAM
Amazon ECS
Amazon CloudWatch
API Gateway
Apply
Apply
$27k – $51k per year · In office · Full-Time · Tokyo
JavaScript
Java
SQL
C#
C++
Apache Tomcat
C#
.NET
Databases
MySQL
Oracle
DevOps
Linux
Windows
Apache HTTP Server
Apply
Apply
$29k – $51k per year · In office · Full-Time · Tokyo
JavaScript
Java
SQL
C#
Apache Tomcat
C#
.NET
Databases
MySQL
Oracle
DevOps
Linux
Windows
Apache HTTP Server
Apply
$27k – $51k per year · In office · Full-Time · Tokyo
Java
Apache Tomcat
Databases
PostgreSQL
Db2
DevOps
Zabbix
OpenShift
VMWare
Azure
AWS
Windows
DNS
Apply
$29k – $51k per year · In office · Full-Time · Tokyo
Java
C#
Apply
$29k – $51k per year · In office · Tokyo
JavaScript
Java
SQL
C#
Apache Tomcat
C#
.NET
Databases
MySQL
Oracle
DevOps
Linux
Windows
Apache HTTP Server
Apply
$20k – $45k per year · In office · Full-Time · Tokyo
Java
Apache Tomcat
Databases
PostgreSQL
Db2
DevOps
Zabbix
OpenShift
VMWare
Azure
AWS
Windows
DNS
Apply
$24k – $344k per year · In office · Full-Time · Tokyo
Java
COBOL
JCL
Apply
$29k – $35k per year · In office · Full-Time · Tokyo
Java
C#
COBOL
Apply
$16k – $45k per year · In office · Full-Time · Tokyo
Java
Apache Tomcat
Databases
PostgreSQL
Db2
DevOps
Zabbix
OpenShift
VMWare
Azure
AWS
Windows
DNS
Apply
All 12 jobs at Phase1 salaries, cities, levels and how long each has been open

Growth

Hiring Momentum
28/100
Slowing
Open positions
17
0 opened / 0 closed in 30 days
ATS activity
Every ~5 hours
11/09/2026
Hiring Dynamics 0%
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.
Leadership
33% ▼
Support
33% ▼
Early Careers
33% ▼

Tech stack

Technologies named in job postings at Phase1 over the last 12 months, by layer, with the share of postings for each.
Technologies in use
43
Postings analysed
7
Stack modernity
77/100AI adopter
Languages
Java
C#
JavaScript
SQL
Frameworks & libraries
Spring Boot
Databases
MySQL
Oracle
Db2
PostgreSQL
Cloud & platforms
Windows
.NET
AWS
Linux
AI & ML
LLM
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Full Phase1 tech stack 43 technologies · by team · pay by technology · changes · similar stacks

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Tokyo
Tokyo Japan
HQ
20 open roles 3 posted in 90 days 65% engineering $44k Avg Salary
hires for Backend, Management, DevOps
seen since Feb 2023 job postings