Senior Full-Stack Engineer – Remote/API Focus

elix-inc.com; United States; Remote; USD 38,000 - 63,000; Full time

Benefits offered by this job

Remote work allowance

Commuting reimbursement

Books and online courses reimbursement

Health checks and social insurance

Paid leave and holidays

Job summary

Elix Inc. is seeking a seasoned software engineer to develop and enhance a customer-oriented web product through the full engineering lifecycle, from design through deployment.

You will work with engineers and researchers to deliver maintainable, scalable features and reliable APIs for client needs. Responsibilities include contributing across product development, designing and deploying APIs, writing unit tests, and helping scale the product as requirements evolve.

Qualifications

• Bachelor’s degree in software engineering, computer science, or a related field.
• Seven years of professional web or API development experience.
• At least three years of professional Python experience.
• Three to five years of experience with modern JavaScript (ES6 or later).
• Business-level English; Japanese is not required.

Responsibilities

• Contribute across product development, including design, implementation, optimization, and deployment.
• Collaborate with engineers and researchers to build practical software for clients.
• Design and develop APIs that are highly available, performant, and straightforward to use.
• Write unit tests for APIs and related code to support software quality.
• Help maintain and scale the product as requirements evolve.

Skills

Python programming

JavaScript ES6+

APIs design

Unit testing

Education

Bachelor’s degree in software engineering, computer science, or a related field

Tools

Git

HTML5

CSS3

Job description

Elix Inc. is seeking a seasoned software engineer to develop and enhance a customer-oriented web product through the full engineering lifecycle, from design through deployment.

You will work with engineers and researchers to deliver maintainable, scalable features and reliable APIs for client needs. Responsibilities include contributing across product development, designing and deploying APIs, writing unit tests, and helping scale the product as requirements evolve.