Senior Ruby Developer Consultant (Remote)

Role: Consultant

Client: United Nations Organization

Contract type: Freelancer / Self-Employed / B2B only

Remote: Remote

Starting Date : January -March 2026

Duration: 60 days, with potential extensions based on budget and performance

Visa sponsorship: Not available

To apply for this position, you can send your resume in English at office@idealstaffs.com referencing the job title.

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IdealStaffs is looking for a Senior Ruby Developer to support one of our international clients. The successful candidate will bring strong enterprise development experience, including a minimum of two years working with the Ruby on Rails framework in a Behaviour/Test Driven Development environment. Experience building APIs for Ruby on Rails applications is required, and contributions to open-source projects are considered an asset.

Qualifications & Experience

• Bachelor’s degree in Computer Science, Engineering, Mathematics, or a related field.

• Minimum of 6 years of professional development experience, including:

• At least 2 years hands-on experience with Ruby on Rails using Behaviour/Test Driven Development methodologies.

• Demonstrated experience handling support tickets, delivering timely solutions, and maintaining clear feedback loops with stakeholders.

Technical Skills

• Strong expertise in Ruby on Rails and modern web development technologies.

• Solid understanding of UNIX/Linux systems administration.

• Experience working with container technologies such as Kubernetes.

• Knowledge and troubleshooting experience with TCP/IP (v4) networking.

• Hands-on experience with:

• Configuration Management

• VMware ESX virtualization

• PostgreSQL 9.x administration

• GIT version control

• Nginx / HAProxy load balancing

• Comfortable working across Mac OS X, Linux, and Windows environments.

Core Competencies

• Strong problem-solving mindset: Able to analyse issues critically and evaluate alternative solutions.

• Team-oriented approach: Ability to collaborate and build trust across diverse, multicultural teams and interact effectively with technical and non-technical stakeholders.

• Planning and organization: Capable of prioritizing tasks and managing workload to achieve timely resolutions.

• Clear communication: Able to translate technical information into language understood by non-technical users.

Languages

Fluency in English with excellent written and verbal communication skills is essential.