Backend Engineer, Ruby
Location | Kampala, Uganda |
Date Posted | October 11, 2025 |
Category | Engineering IT / Information Technology |
Job Type | Full-time |
Currency | UGX |
Description

About the job
THE COMPANY
We’re rapidly growing and looking for driven and customer-obsessed professionals to help our team revolutionize the career-services industry.
Career.io is dedicated to creating a better landscape for job seekers everywhere. Through our community of career experts and data insights, our brands —we empower professionals to take control of their careers, tell the best version of their career stories, and reach their full potential.
We’re committed to helping job seekers write the next chapter of their careers and we want to help write yours, too! We hire for growth and longevity because we value the happiness and well-being of our employees.
This is a 100% remote/work-from-home role. This is a temporary 6 month contract position.
THE ROLE
As a Backend Engineer, you will play a dual role of a player and a coach. You will be part of a team of engineers who design, develop, and maintain robust Ruby microservices that power our large-scale consumer-facing applications. This role demands a combination of excellent technical skills, leadership ability, and a passion for mentoring and growing a team.
RESPONSIBILITIES
- Be part of the development of highly scalable and reliable Ruby microservices.
- Architect, design, and implement backend systems with a focus on high availability, low latency, and scalability.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Ensure consistent use of shared platform components and technologies within the engineering team.
- Implement and maintain proper database design and integration using PostgreSQL.
- Design and implement caching mechanisms using middleware such as Redis.
- Drive continuous adoption and integration of relevant new technologies into the design.
- Maintain up-to-date knowledge of Ruby language, tools, and best practices.
- Foster a culture of code quality and enforce best practices for unit testing and code coverage.
- Provide technical leadership and mentorship to junior engineers through coaching and career development.
THE MUST-HAVES
- Bachelor's or Master’s degree in Computer Science or a related field.
- 8+ years of backend engineering experience, with a proven track record of developing and maintaining large-scale consumer-facing applications.
- Expert knowledge of Ruby with deep understanding of its ecosystems.
- Proficient in database design and management, particularly with PostgreSQL.
- Experience with middleware technologies, specifically Redis.
- Deep understanding of computer architectures and software engineering principles.
- Passion for writing clean, maintainable, and testable code.
- Strong experience with unit testing, code coverage, and testing frameworks.
- Proficient in containerization and Deployment technologies(e.g. Docker, Kubernetes).
- Proven experience with Elasticsearch for designing and optimizing search indexing, querying, and data retrieval performance.
- Basic understanding of using Kibana for log analysis and data visualization.
- Excellent problem-solving skills and attention to detail.
- Effective communication and interpersonal skills.