Job code
IRC296329
Published on 28 mayo 2026

Senior Ruby Fullstack Developer IRC296329

Function

Software Product Engineering

Experience

3-5 years

Location

Ukraine - Kharkiv

Skills

AWS, Bootstrap, C, HTML, jQuery, Linux, MongoDB, Ruby on Rails

Work Model

Remote

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Description

Partner is one of the leaders in design, development and manufacturing data communications equipment for the industrial Internet of Things — connecting physical assets to business processes to deliver enhanced value.

Requirements

Required:

– Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, Network Engineering, or a related discipline
– 5+ years in network or cloud software development. Embedded systems, or advanced network architecture will be a plus
– Strong analytical and problem-solving abilities
– Fluent English and good communication skills
– Understanding of building IoT ecosystems (devices, gateways, server)
– Back-end development using Ruby-on-rails
– Front end development using bootsrtap css and jqueryhtml
– Strong MongoDB experience including replication, performance tuning, and scaling strategies (sharding
experience preferred)
– Experience with production database upgrades and migrations.
– Understanding of CС++ development under LinuxUbunty
– Experience with CICD toolset: Jenkins, Git

Preferred:

– Understanding and some background with Azure and AWS cloud services
– Understanding of networking and security concepts
– Experience with IoT platforms or device management systems is a plus.

Job responsibilities

  1. Own and improve the stability, availability, and performance of the Device Management System
  2. Diagnose and resolve complex production issues impacting device connectivity and platform operations.
  3. Design and implement MongoDB scaling strategies including replication, sharding, and performance tuning.
  4. Optimize database performance for high-volume device check-ins and telemetry workloads.
  5. Plan and execute database upgrades with minimal downtime and risk.
  6. Ensure backward compatibility across applications, APIs, and device interactions.
  7. Lead Linux/Ubuntu upgrades, patching, and system hardening efforts.
  8. Improve platform security including access control, authentication, and encryption practices.
  9. Develop and maintain backend services (Ruby-on-Rails preferred).
  10. Contribute to feature development, architectural improvements, and platform capabilities within the mCloud
    environment as part of ongoing cloud evolution.
  11. Support Device Management System migration to new system (in development)
  12. Implement monitoring, logging, and alerting for proactive issue detection.
  13. Collaborate with cross-functional teams and mentor junior engineers.
  14. Drive continuous improvement initiatives for system reliability and maintainability.

What we offer

Culture of caring. At GlobalLogic, we prioritize a culture of caring. Across every region and department, at every level, we consistently put people first. From day one, you’ll experience an inclusive culture of acceptance and belonging, where you’ll have the chance to build meaningful connections with collaborative teammates, supportive managers, and compassionate leaders. 

Learning and development. We are committed to your continuous learning and development. You’ll learn and grow daily in an environment with many opportunities to try new things, sharpen your skills, and advance your career at GlobalLogic. With our Career Navigator tool as just one example, GlobalLogic offers a rich array of programs, training curricula, and hands-on opportunities to grow personally and professionally.

Interesting & meaningful work. GlobalLogic is known for engineering impact for and with clients around the world. As part of our team, you’ll have the chance to work on projects that matter. Each is a unique opportunity to engage your curiosity and creative problem-solving skills as you help clients reimagine what’s possible and bring new solutions to market. In the process, you’ll have the privilege of working on some of the most cutting-edge and impactful solutions shaping the world today.

Balance and flexibility. We believe in the importance of balance and flexibility. With many functional career areas, roles, and work arrangements, you can explore ways of achieving the perfect balance between your work and life. Your life extends beyond the office, and we always do our best to help you integrate and balance the best of work and life, having fun along the way!

High-trust organization. We are a high-trust organization where integrity is key. By joining GlobalLogic, you’re placing your trust in a safe, reliable, and ethical global company. Integrity and trust are a cornerstone of our value proposition to our employees and clients. You will find truthfulness, candor, and integrity in everything we do.

About GlobalLogic

GlobalLogic, a Hitachi Group Company, is a trusted digital engineering partner to the world’s largest and most forward-thinking companies. Since 2000, we’ve been at the forefront of the digital revolution – helping create some of the most innovative and widely used digital products and experiences. Today we continue to collaborate with clients in transforming businesses and redefining industries through intelligent products, platforms, and services.

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