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Job ID : 1202664 Date Updated : January 24th, 2022

Back-end developer (Only English OK)

Hiring Company F S (#110)
Location Tokyo - 23 Wards
Job Type Permanent Full-time
Salary 5 million yen ~ 7 million yen

Job Description

About the hiring company (we represent):

The company is developing and providing an IoT platform that makes it easy for anyone to use state-of-the-art video analysis and AI.

It consists of a cloud video analysis tool, middleware for Raspberry Pi, and LTE SIM card for video upload, and has been introduced in various industries/companies.

Currently, in addition to Tokyo, they have a development base in Fukui and an offshore development base in New Delhi and Pune in India.


[Job description]

The company is looking for an experienced, forward-thinking back-end engineer who is proficient with modern web API development to work on both the Cloud and Edge focused projects.


This opportunity would welcome you to the engineering team where you would work alongside our team of talented international and Japanese engineers. Day to day your responsibilities would include driving forward Cloud and Edge API development for our products and client projects; helping to support and extend our core platform; and to be self-driven in iterating and improving our existing code base and practices in conjunction with the team.


Outside of crafting modular, scalable code and solutions you'll also have the opportunity to help review new concepts early in their planning cycle to allow you to make a positive impact through sharing your insights and ideas; discover and propose your own tasks to that bring value to the team; and grow your understanding and skills by assisting in areas of interest to you, both in and beyond back-end.


(Development environment)

Language: Python3 / TypeScript / Node.js / Bash / SQL

Framework: React

Environment: Linux / Amazon Web Service / Microsoft Azure / Google Cloud Platform

Database: DynamoDB / Amazon Aurora / MySQL / PostgreSQL / SQLite

Project management: Git / GitHub / GitLab



-Annual salary: 5 ~ 7 million yen

-Location: Tokyo

-Working hours: 9: 00-18: 00 (Full flex-time available)

-Holiday / vacation: Saturdays, Sundays, national holidays, and other holidays specified by the company (year-end and New Year holidays)



-Annual salary increase

-Commute Fee covered (Max:30,000yen per month)

-Complete social insurance (employment, work-related accidents, health, welfare pension)

Maternity leave, childcare / care leave, menstrual leave, judge leave

-Paid leaves (10 days in the first year, granted after the probation period)

* Casual clothes are very fine

General Requirements

Minimum Experience Level Over 3 years
Career Level Mid Career
Minimum English Level Business Level
Minimum Japanese Level None
Minimum Education Level Bachelor's Degree
Visa Status Permission to work in Japan required

Required Skills

[MUST-have Requirements]

-Motivation to take a new challenge in engineering.

-3+ years of server-side engineering experience

-Proficiency in at least one major backend language (Python, NodeJS)

-Proficiency in a second is advantageous

-Experience with CI/CD tools

-Serverless architecture experience (AWS)

-An understanding of the importance of Unit Testing.

-Working proficiency in English. Japanese strongly favorable

*No Japanese skills OK


[Preferred Requirements]

-Experience with Typescript

-Ability to architect complete solutions

-Experience with IoT devices (such as Raspberry Pi)

-GraphQL experience

-Working knowledge of Docker and docker-compose

-Experience with other Cloud service development (Azure, GCD)

-Contributions to or active participation in the OSS community

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Permanent Full-time
Salary 5 million yen ~ 7 million yen
Recruiter Company Information

United World Inc

Back-end developer (Only English OK) Job Information | Work in Japan · Jobs with International Companies · Jobs that Use English · CareerCross

Company Description

United World supports job hunting and recruitment for global talents in Japan
United World is a recruiting agency specializing in recruiting global talents in Japan. 
Our various positions are available for new graduates and mid-careers who have high expertise.

[Industry / occupation]
We introduce a wide variety of industries and occupations, including IT, manufacturing, consulting, finance, medical/pharmaceutical, biotechnology, chemical energy, and infrastructure. We handle a wide range of matters such as finance, legal affairs, human resources, and purchasing.

What we do
We keep providing what our customers really need
We pursue our customers' satisfaction;  for job seekers offering the best of our experience matching them with great companies, and for companies helping them find those talented foreigners possessing the right skills for the job.
Additionally, we also provide Japanese language classes, business etiquette training, recruiting events, etc.; keeping in mind our main focus which is matching with regular employment jobs.

Creating a World Where Anyone Can Work Anywhere
There are many people who want to work but cannot in the world. Even talented and motivated people face many problems on the way to find jobs due to language, where they live, and their nationality. 
Also, there is a situation in the world where you have to work and earn money to support your family, but you can't find a job. We solve this problem by creating a world where anyone can work anywhere through our services.

For Jobseekers

  • Recruitment Service 

We introduce the best job for you
​It is often difficult for foreigners to find a job in Japan. 
Many jobs require a high level of Japanese, but United World tries to introduce jobs that do not require Japanese. 
Also, in a work environment where only Japanese people are working, foreigners may feel alienated. 
United World aims at introducing companies that have already hired foreigners and have understanding working with global talent.

  • Career Consulting

Foreign consultants provide kind support
Our foreign consultants who have been living in Japan for a long time and are familiar with job hunting in Japan will support you. 

  • Best Support for Job hunting

We do our best to guide you throughout the hiring process
Job hunting in Japan is unique compared to that from overseas. 
For instance, screening of documents may include Japanese CVs as well [Rirekisho and Shokumukeirekisho]. 
United World provides consistent support until you are hired with a Japanese company, which includes help with polishing English or Japanese CVs, providing interview advice, helping with job offer negotiations, and so much more.

For Employers

  • Recruitment Service 

We introduce global talents from all over the world
​We introduce highly-skilled candidates to Japanese companies.
Only those who live in Japan and want to work in Japan for a long time will be introduced. Even if you are the first time to hire a foreigner, we will support you from the introduction to joining.

  • Result Reward and Refund Policy

To satisfy our customers 
​As it is a complete reward system, any number of people are introduced free of charge until the candidate joins the company. 
We will conclude a contract upon introduction, but there is no cost here either. 
A refund system is provided for those who have been retired early.
To be the best recruitment company

  • To be the best recruitment company

Skilled staff support you
​For about an hour, a skilled foreign consultant interviews a candidate to check background, visa, skills, and experience. 
Through the interview and lots of communications, We give the candidates a guide to working in Japan.
Also, staff who are familiar with recruitment of foreigners support the recruiters with kindness. Even if it is the first time for you to hire foreigners, we will support you with attractive job openings, recruiting job seekers, good interview methods and offering offers.

Many Talented Foreign Candidates are Registered 
​Lots of candidates are Government-sponsored international students who have gone through rigorous screening by the Ministry of Education to obtain scholarships and foreign workers who have advanced knowledge and skills, hold Highly Skilled Foreign Professional visa.

Positions We provide

  • IT Engineer

Focus on tech venture companies aiming to be listed by raising funds. We introduce AI engineers with machine learning and deep learning and experienced back-end, front-end, server-side, infrastructure engineers, etc. 

  • Business-side

We introduce trilingual people who are fluent in Japanese, English and native languages through overseas sales and business development marketing.

  • R&D

We introduce those who are postdoctoral at research institutions and universities as R&D in the fields of biotechnology, healthcare, life sciences, and chemistry.

  • ​Others

If you have any requests, we introduce you to other job categories such as an interpreter, office work, accounting.