Position: Senior Back End Engineer (Ruby on Rails)
Company: Sphere
Category: Ruby
Experience required: 3y
English level: upper

We are currently recruiting for a full-time Senior Back End Engineer in our partner - startup based in London.

Location: Remotely
Type: Hire
Start Date: ASAP

**Key Responsibilities:**
- Write clean, maintainable and efficient code
- Design robust, scalable and secure features
- Contribute in all phases of the development lifecycle
- Follow best practices (test-driven development, continuous integration, SCRUM, refactoring and code standards)
- Drive continuous adoption and integration of relevant new technologies into design
- Comfortable working with people from different cultural backgrounds.

**Essential Skills & Experience:**
- 3+ years of professional experience and track record of developing high-quality scalable code using Ruby on Rails.
- Strong verbal and written communication skills.
- Worked with agile methodology (Scrum ideally).
- Strong attention to detail and time management skills.
- Strong knowledge in ruby testing specially Rspec.
- Solid SQL experience ( PostgreSQL/MySQL ).
- Successfully built Restful APIs, and architected database models.
- Solid OOP and software design knowledge.
- Familiar with Elasticsearch and Redis.
- Upper Intermediate English.