Jobs

Remote Ruby on Rails Developer (Back-End Engineer)

Company: iKizmet (clubready.club)

Location: Remote (Must be available during USA working hours: 2pm–10pm / 12pm–8pm Kyiv time)

About Us:

iKizmet is a fast-growing analytics software company serving the health and fitness industry. We are integrated with the leading POS and Scheduling platforms and work with some of the biggest names in boutique fitness. Our mission is to deliver actionable insights through beautifully simple analytics.

Position Overview:

We are looking for a remote Back-End Engineer to help build and maintain features in our desktop and mobile software applications. This is a great opportunity to work with a passionate, fast-moving team that values clean, scalable code.

Key Responsibilities:

• Design, develop, and maintain scalable backend services and APIs.
• Implement new features, debug and resolve issues in the existing system.
• Collaborate with front-end developers and other engineers.
• Work independently with minimal supervision.
• Optimize queries and database performance for large datasets.

Requirements (Minimum 3 Years of Proficiency):

1. Ruby / Ruby on Rails – Proven experience building production-grade apps.
2. Strong SQL Skills – Advanced understanding of SQL and performance optimization. Experience with stored procedures, functions, and table partitioning in PostgreSQL.
3. RSpec – For writing and maintaining automated tests.
4. Background Jobs – Experience with DelayedJob or similar job queues.
5. Cloud Infrastructure – Familiarity with AWS services.
6. Caching/Key-Value Stores – Working knowledge of Redis (or Valkey).
7. Microservices Architecture – Experience with or understanding of service-oriented architecture.
8. Git – Confident with version control and working in remote repositories.
9. Terminal Use – Comfortable navigating and working in a command-line environment.
10. Bonus: Experience with Golang.
11. Bonus: Ability to implement simple UI with HTML, CSS (Sass), and JavaScript.

Work Hours:

This is a remote position, but you must be available during our operating hours in the USA time zone (2pm–10pm / 12pm–8pm Kyiv time).

About Intent Solutions Group:

 

At Intent Solutions Group, we specialize in delivering cutting-edge software products and digital solutions across industries such as robotics, healthcare, Internet of Things, and digital media. As an AWS Consulting partner, we provide scalable, future-ready solutions that drive meaningful outcomes. Our commitment to innovation, collaboration, and growth enables our team to achieve exceptional results and push the boundaries of technology.

 

About the Job:

We are looking for a skilled Upper-Middle level developer who will play a key role in the development and integration of solutions for our client. The product involves building an innovative cloud platform for secure data storage, management, and delivery, including video and educational content.
 

This role offers the opportunity to work with modern technologies, contribute to key architectural decisions, and be part of a fast-growing, real-world product.

Requirements

• Ruby on Rails (version 7+) – Proficiency with Ruby on Rails for backend development.
• Postgres DB – Solid understanding of Postgres database and query optimization.
• Sidekiq – Experience with job scheduling and background job processing using Sidekiq.
• Tailwind CSS – Familiarity with Tailwind for utility-first CSS design.
• On top of the features listed here, we are also expanding into hosting video/training content created by the main business.

• ​Upper-intermediate or higher English proficiency, with the ability to articulate technical concepts clearly.

   

   

   

  Would be a plus:
   

• Experience with video hosting and streaming APIs and cloud platform(s) 
• React Native – Experience with React Native. 
• Docker – Knowledge of Docker for containerization of applications. 
• Kubernetes – Familiarity with Kubernetes for container orchestration and management. 
• Understanding of IDPs (Identity Providers) – Knowledge of identity providers such as Azure/Entra authentication for managing user access and security.
   

Benefits:

We gladly offer:
 

• Work in a flexible, Agile, and multinational team where innovation and collaboration drive success.
• Leverage your skills and experience to develop state-of-the-art software products while expanding your expertise in cutting-edge technologies.
• Gain access to training and learning opportunities to grow your skillset and stay ahead in the ever-evolving tech landscape.
• Work with leading global clients across industries and become a domain expert in AWS and cloud-based solutions.
• Enjoy a modern office located in the city center, providing a dynamic and inspiring workspace.
• Benefit from the flexibility to work both remotely and on-site, allowing you to balance professional and personal commitments effectively.
   

Job Description:

We are hiring a Full‑Stack Ruby on Rails Developer with strong front-end skills to join our distributed team. You will work on high-load web platforms and contribute to both server-side and UI logic.

Responsibilities:

• Design, develop, and maintain Ruby on Rails applications
• Build reusable frontend components (React, Vue, or vanilla JS)
• Integrate APIs and manage database logic
• Participate in code quality improvements and performance tuning
•  

Requirements:

• 3+ years of hands-on experience with Ruby on Rails
• Strong understanding of MVC architecture and SQL databases
• Frontend experience with JS frameworks (React or Vue preferred)
• Familiar with testing frameworks like RSpec or Minitest

• Upper-Intermediate English or higher

   

Conditions:

• Remote, part-time basis via Upwork
• Payment processed to Ukrainian FOP

Requirements:

• 3+ years of experience with Ruby on Rails
• Solid understanding of OOP, design patterns, and best practices
• Experience with PostgreSQL or other relational databases
• Familiarity with RESTful APIs and JSON
• Experience with Git, background jobs (e.g., Sidekiq), and testing frameworks (RSpec/Minitest)
• Intermediate or higher English (spoken and written)

Nice to Have:

• Experience with frontend technologies (React, Vue.js, or similar)
• Knowledge of Docker, CI/CD
• Familiarity with cloud platforms (AWS, Heroku, etc.)

Responsibilities:

• Develop and maintain web applications using Ruby on Rails
• Write clean, efficient, and testable code
• Collaborate with designers, PMs, and other developers
• Participate in code reviews and knowledge sharing
• Contribute to improving internal processes and practices

Code&Care — is a successful full-stack development company, which provides clients with high-quality development assistance worldwide.

Now our team has a position for Full stack Ruby on Rails developer

Requirements:

• 3+ years of experience with Ruby on Rails;

• Experience with typescript for frontend and backend;

• Express Next or Angular;

• Knowledge of OOP, AWS, Git, available to use SHH connections, understanding of Docker or Vagrant concept;

• Upper-Intermediate level of English;

• 5-6 hours of overlap with Chicago time zone.

Responsibilities:

• Write and maintain efficient, reusable, clean, and tested code;

What the company offers:

• Constant and interesting work with foreign clients;

• Flexible working hours;

• Annual paid 30 days vacation and 10 paid sick day;

• Medical insurance policy;

• 50% cost compensation of sports and English lessons.

We are looking for a Full-Stack Ruby on Rails and Vue.js Developer, with a strong focus on backend development, to join our distributed team building a platform designed to help organizations use digital tools to implement ambitious work at scale.

It’s a clean, modern set of tools designed from the ground up to help organizations build authentic relationships, save time, and create positive social change.

Our technology stack includes Ruby on Rails, Vue.js, TypeScript, and Postgres, deployed on AWS. We are passionate about software development as a craft and follow best practices, including continuous delivery, acceptance testing, monitoring, and code review.

You can work from anywhere in the world, as long as your working hours partially overlap with U.S. East Coast business hours.

Requirements

• 3+ years of experience building ambitious web applications
• Strong experience with Ruby on Rails
• Solid experience with Vue.js
• Knowledge of TypeScript
• Familiarity with React (would be a plus)
• Experience working in distributed teams
• Passion for positive and progressive social change
• Familiarity with how organizations and campaigns use the internet to drive engagement
• Experience with:
  • AI/ML techniques (optional)
  • Column-oriented databases or large-scale data integration (optional)

Responsibilities

• Work closely with the Co-founder and CTO to deliver new product features
• Participate in planning and shaping the product vision
• Develop backend services and integrate frontend functionality
• Take part in code reviews, technical discussions, and architecture decisions

What We Offer

• Fully remote role with flexible working hours
• Long-term project with a stable roadmap and modern stack
• Supportive and open-minded team
• Hardware and equipment are provided when needed
• Access to Udemy with 1,000+ learning courses

💡 Note: Working hours should overlap with the US East Coast business hours for effective communication.

Ми працюємо над проєктом для автоматизації внутрішніх бізнес-процесів в домeні Social Media.

Шукаємо Full-Stack Engineer (Ruby/JS) з глибокою експертизою у бекенд для розвитку нашого продукту.

Наш стек: React, React Context, TanStaсk Query, Koa.js, Ruby on Rails, PostgreSQL, Redis, RabbitMQ, RSpec, Jest, Kubernetes, GitLab CI
 

Ми очікуємо:

• 3+ роки комерційного досвіду розробки у бекенді з Ruby/Rails;
• експертизу в Ruby, Ruby on Rails;
• експертизу в роботі з RDBMS/NoSQL (PostgreSQL, Redis);
• експертизу в роботі з фоновими задачами, досвід роботи з Sneakers;
• експертизу в дизайні і розробці RESTful API;
• експертизу unit/integration тестування;
• знання core JS, HTML/CSS;
• досвід роботи з React;
• розуміння CI/CD;
• досвід роботи з бекенд фреймворками Koa.js/Express.js буде плюсом;
   

Які задачі:

• участь у плануванні та реалізації продуктових вимог;
• впровадження нового функціоналу, підтримка та розширення існуючого;
• покращення продуктивності та масштабованості додатка;
• виявлення, аналіз та вирішення наявних проблем з продуктивністю додатка та попередження нових;
• співпраця з іншими членами команди розробки;
• розподіл задач: 90% задач бекенд, 10% фронтенд (співвідношення може змінюватись в залежності від потреб спринту);
   

Nice-to-Have

• досвід інтеграції зі сторонніми сервісами, навички реверс-інжинірингу;
• досвід роботи з WebSockets;
• досвід з іншими мовами програмування (наприклад, Go, Rust) буде плюсом;
   

Від нас: 
Конкурентоспроможна ЗП;
Комфортний графік;
18 робочих днів відпустки;
Повністю віддалена робота;

Примітка: якщо протягом 2-х тижнів з моменту відгуку ми не зв'язалися з вами, це означає, що ми зупинили вибір на інших кандидатах.

Adminix.io — це no-code платформа для створення API, бекенду та автоматизаційних процесів без програмування. Вона дозволяє бізнесу та розробникам швидко будувати повноцінні бекенд-системи, підключати сторонні сервіси, налаштовувати бізнес-логіку та масштабувати проєкти без необхідності писати код вручну.

Зараз ми шукаємо Full-Stack Ruby on Rails розробника, який має досвід розробки класичних монолітних додатків на Rails з використанням Turbo.js та Stimulus.js.

Очікування від кандидата:

• Впевнене володіння Ruby on Rails (версії 7+);
• Досвід роботи з Hotwire (Turbo + Stimulus);
• Глибоке розуміння JavaScript;
• Вміння самоорганізовано працювати без мікроменеджменту;
• Вміння грамотно проєктувати бази даних (PostgreSQL або інші реляційні СУБД).

Ми будуємо складний, але зручний продукт — тому шукаємо людину, яка вміє мислити архітектурно та не боїться відповідальності.

Ми підтримуємо український ринок праці і маємо на меті наймати людей, які географічно проживають на території України!