[Experience language no matter] Osaka / Sansan development engineer

Full-Time Employee
  • Post Date: 2019-08-28
  • Career Level Programmer
  • Offerd Salary ¥10 - ¥15 Million
  • Experience 5 Years
  • Number of employee 1 person
  • Gender Required Both
  • Qualification Master’s Degree
  • Working Hour 9 to 17
  • Trial Period 3 Months
Job Description

As an application engineer of “Sansan”, a cloud business card management service for corporations, you will be involved in all the processes to bring the value of products to the world quickly and with high quality. 

<About the company’s products> 

This is a cloud business card management service for corporations that turns all business cards in the company into valuable assets. As of March 2018, the number of companies introduced has exceeded 7000, and it continues to increase. 

[Projects to be implemented] 

・ Addition of new functions 

・ Improvement of UI / UX 

・ Performance improvement 

・ Technology innovation etc. 

[Specific work] 

1. Requirements definition with product manager and other engineers 

2. Technology selection, architecture design 

3. Implementation, Code Review, Test 

4. Release 

5. Performance Monitoring, Improvement 

6. Product Improvement Based on Various KPIs 

7. Improvement of Development Process 

[Development Environment] 


Language: C # 7, JavaScript (jQuery, Bootstrap, etc.), LESS 

Framework: .NET Framework 4.6.1 (ASP.NET MVC, ASP.NET Web Forms, ASP.NET Web API, WPF) 

Database: PostgreSQL 9.6, Redis 3.2 


Repository: GitHub 

Project: Jira, Gantter 

CI / Test : Jenkins, NUnit 


infrastructure: AWS (EC2, S3, SQS , DynamoDB, SES, RDS, such as ElastiCache) 

operation and monitoring: Zabbix, Grafana, New Relic, Amazon Elasticsearch Service, Fluentd, Chef 

<PC Peripherals> 

desktop PC and notebook PC (select from Windows or Mac) one by one 

, 27-inch wide display is two (also available as of 34 inches curved type and 42.5 inches 4K by hope) 

, lifting desk 

<Other Reference> 

・ Sansan Technical Blog 

Hiring requirements

[Required skills] 

-Web application development experience (C #, Java, Python, Go, Node.js, Scala, Visual Basic .NET, etc.) 

-Development experience using relational databases such as PostgreSQL, SQL Server, Oracle. 

[Welcome skills] 

・ Object-oriented development experience using C # 

・Web service development and operation experience using ASP.NET MVC 

・Team development experience using GitHub 

・ Development team leader experience 

・ Project management experience

Treatment conditions / sales bonus

Expected annual income: 4.48 million yen to 12.04 million yen 

* Determined individually according to experience and ability. 

<Monthly salary example> 

Annual salary 6.51 million: monthly salary 465,000 (basic salary 338,000 + overtime allowance 127,000) 

* Regardless of whether overtime work or not, overtime allowance equivalent to 45 hours per month is paid 

* Time exceeding 45 hours Additional wages for extra work are paid 

– twice a year (June / December), bonus twice a year (July / December), full payment of transportation expenses.


Various social insurances, employee shareholding association 

[in-house system] 

Know Me (a system in which 3,000 yen per person is subsidized if you go to drink with people who have not drunk in other departments in the past) -Cho (working day transfer system * only for regular employees), GEEK SEEK (for creators and engineers: development environment maintenance assistance system, developer study group encouragement system, book purchase assistance system), YAE (home work system * only for regular employees), Terante (a system for group lunch with the president and several employees * only for regular employees), MOM (Measures of Maternity: a system in which the company subsidizes nursery school fees to support returning from childcare leave * only for regular employees), KISS (KIds Sitter) Support: A system in which the company pays babysitting expenses up to 30,000 yen per month), H2O (Neighboring Housing Subsidy System) * The company provides housing expenses for employees living within 2 stations from Omotesando Station and Shibuya Station Assist , System to support commuting time reduction * Only regular employees).


[Number of annual holidays: 120 days or more] 

Saturdays, Sundays, holidays, year-end and New Year holidays, paid leave, charge leave (system that allows you to take three consecutive days off from July to September).

Selection process

Document screening 


Primary interview 


Secondary interview 


Final interview 

* The number of screenings and content may change.