Jobs Ruby

Responsibilities:

• Develop new product features
• Fix bugs as they arise
• Ensure Merge Requests improve test coverage by adding new unit tests
• Document explanation of developed features/fixes to Merge Requests and to corresponding tickets
• Documenting completed tickets for internal and external users
• Contribute high-quality code to the backend and frontend projects

Requirements:

• 6+ years developing software in a commercial environment
• 4+ years of Ruby Development
• Experience with Ruby frameworks and libraries
• Experience with frontend frameworks (React)
• Experience in building REST API, ideally using Grape
• Experience in building integrations with third-party APIs via REST, SOAP, XMLRPC, etc.
• Solid experience in building high-performance, reliable, and scalable services

Bonus Points:

• WMS / Logistics domain experience
• Experience with ERP systems (NetSuite, Acumatica, Dynamics F&O/BC/NAV etc.)
• Experience with Elasticsearch
• Experience with Go, AWS, Docker, GitLab CI
• Experience with PHP, Java
• Experience with .Net

Benefits We Offer:

• Stock options
• $100/month for Health & Wellness expenses
• $500/year for medical expenses
• 20 PTO days
• Top-level hardware of your choice, ownership will be passed to you

Ready to join our team? Apply now!

N-iX is looking for a Senior/Lead Ruby Engineer to join the team.

Our client is a leading global provider of 3D models designed for films, games, commercials, architecture, and more. You will be working on exciting and complex problems for the industry-leading 3D content website with millions of customers. Your work will be immediately impactful to our large professional and enterprise customer base. The team’s approach is to provide mentorship and peer reviews while bringing you up to speed on our codebase and business.

Responsibilities:

• Incrementally improve the product experience using a data-driven approach
• Provide direct input to drive the architectural and product direction of 3D projects

Requirements:

• 5+ years of strong full-stack development experience with advanced proficiency in Ruby, capable of learning adjacent technologies quickly.
• Experience designing and implementing robust APIs (REST/JSON: API), integrating services, managing background jobs, and defining distributed-system boundaries.
• Solid foundation in testing best practices, source control (Git/GitHub), and working with relational databases (PostgreSQL/MySQL).
• Demonstrated ability to drive technical solutions and mentor junior team members.
• Upper-intermediate+ English level

Would be a plus:

• Stimulus and Turbo
• Typescript
• JSON:API and GraphQL
• Tailwind
• Experience with AWS
• Previous exposure to Docker, Kubernetes
• Experience building event-driven or message-driven architecture using tools like RabbitMQ and Kafka

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

Objective 
We are seeking a skilled Ruby on Rails Developer to join the team behind the first enterprise-grade software solution purpose-built for Capital Expenditure (Capex) management. This platform serves as a "single source of truth" for capital allocation for Global 2000 companies, replacing fragmented spreadsheets with a unified, cloud-based system. As a long-term member of this mission-critical project, you will help automate financial reporting, ensure compliance, and optimize portfolio performance through rigorous ROI modeling.

Responsibilities

• Design, build, and maintain backend services and APIs using Ruby on Rails.
• Work on complex product features with a focus on performance, scalability, and maintainability.
• Develop and optimize MongoDB data models and queries.
• Manage and troubleshoot infrastructure hosted on AWS (EC2, S3, RDS, Lambda, ECS).
• Collaborate with product, engineering, and operations teams to deliver high-quality solutions.
• Improve application reliability, observability, and monitoring.
• Write clean, well-tested, and maintainable code.
• Participate in architecture discussions and technical decision-making.
• Leverage modern AI-assisted development tools (ChatGPT, GitHub Copilot, Cursor) to enhance productivity and code quality.

Qualifications

• 3+ years of professional experience in software development.
• Strong expertise in Ruby on Rails and backend architecture.
• Deep experience with MongoDB, including schema design and performance tuning.
• Hands-on experience with AWS services and cloud environments.
• Proficiency with background jobs, caching, and asynchronous processing.
• Familiarity with Docker and CI/CD workflows.

• Experience with AI development tools (Cursor, Claude, etc.) is highly preferred.
   

  Nice to Have: Experience with legacy Rails applications, React, Redis, or Sidekiq.

  English Level: Good spoken English.

Location & Logistics

• Location: Remote.
• Time Zone: Collaboration typically aligns with CET or US business hours as needed.
• Type of Engagement: Full-time, long-term.

Recruitment Process

• Pre-screen interview with Sloboda Studio.
• Tech screen with Sloboda Studio
• Technical interview with the client.

💎 We’re Hiring: Junior Ruby on Rails Developer

📍 Remote | 🕒 Full-time | 💼 Junior Level | 💰 $400-600

About the Role:
We’re looking for a motivated Junior Ruby on Rails Developer who wants to grow in IT and work on real projects in a supportive team. This is a fully remote, full-time position.

Requirements:
• 6+ months of experience with Ruby on Rails (basic level)
• Understanding of MVC architecture (Models, Views, Controllers)
• Knowledge of CRUD, routes, migrations, validations
• Basic database understanding
• Git basics
• Basic HTML/CSS
• Understanding of REST APIs
• Pet or educational projects (GitHub)
• English level A2+

We Value:
• Strong motivation to work in IT and grow as a developer
• Focus on results, not just tasks
• Responsibility and good communication
• Willingness to ask questions and accept code reviews
• Ability to work with tasks and meet deadlines
• Persistence and problem-solving mindset

What We Offer:
• $400-600 salary range
• Covered AI tools
• Free English-speaking club
• Friendly and collaborative team culture
• Room to learn and grow - mentorship from experienced Ruby developers
• 100% remote

📎 To Apply:
Send your CV and GitHub profile

We’re looking for someone who truly wants to build, learn, and grow 🚀

About Digis
Digis is a European IT company with 230+ specialists delivering complex products for 70+ clients across the U.S., Europe, and Canada. We operate in a remote-first environment and focus on long-term collaboration, stable projects, and transparent processes.

About the Project

You will join a long-term project HubSpot — one of the most recognized global platforms in CRM, marketing automation, and go-to-market solutions.

The product helps companies identify, acquire, and convert their ideal customers through powerful data-driven solutions.

Requirements

• 5+ years of commercial Ruby development experience
• 3+ years of hands-on commercial experience with React
• 1+ year of experience working with microservices architecture
• Upper-Intermediate or higher level of English

Responsibilities

• Maintain and support the existing Ruby-based system
• Fix bugs and resolve production issues
• Upgrade libraries and dependencies
• Ensure system security and compliance
• Investigate and resolve customer-reported issues
• Work with API architecture improvements (e.g., splitting services)
• Participate in scaling and performance-related tasks

Advantages

• Work on a globally recognized product (HubSpot ecosystem)
• Long-term project
• Strong senior-level team with experienced Tech Lead and structured Product Management
• Well-organized onboarding process with dedicated time and documentation
• Focus on real engineering work (stability, scaling, performance) instead of feature rush
• Low-risk environment: no chaotic product changes, clear tasks and processes

We Offer

• 20 paid vacation days per year
• 5 paid sick leaves (no medical certificate required)
• Compensation for professional courses
• English learning support
• Work equipment
• Transparent communication and processes
• Opportunity to switch projects within Digis
• Legal and accounting support
• Corporate psychologist

Who We Are

PAR Retail, with its Open Commerce® product suite and patent pending Wallet Steering® System, empowers Convenience & Fuel Retailers to gain more share of wallet and customer lifetime value than possible with any other solution provider. PAR Retail’s unified Open Commerce product suite consists of: Activate for Intelligent 1:1 Loyalty, Transact for Contactless Commerce, and Experience for Cross-Channel Customer Experiences. PAR Retail’s solutions are supported by a set of subscription-based program management services and are contractually backed by its 1.5X Performance Guarantee.

Technology Stack:

Ruby, Ruby on Rails, Postgres, Redis, Sidekiq, GraphQl, RabbitMQ

Requirements:

- Practical experience building systems in Ruby on Rails

- At least 6 years industry experience or equivalent

- Experience building and maintaining backend APIs, including design, implementation, evolution, and maintenance

- Familiarity with TypeScript, or similar modern strongly-typed language

- Proficiency using a variety of database technologies, both relational and non-relational

- Strong understanding and familiarity with CI/CD pipelines and automated tests

- An ability to work in service-based architectures as well as well-factored Rails monolith applications

- Highly independent and able to effectively self-organize and prioritize work

- The ability to write clean code, and the discipline to write effective automated tests to deliver high-quality system improvements

- An ability to effectively break down larger bodies of work for delivery as a series of small, self-contained changes to the system

- Excellent spoken and written communication skills

- BS/MS degree in Computer Science, Engineering, or equivalent years of professional working experience

Bonus Points

- Experience with NodeJS and React

- Experience in the retail and/or fuel & convenience industries

- Experience working in distributed teams

- Experience with Nest.js and/or GraphQL

Responsibilities:

- Collaborate closely with other Engineers, design and implement new functionality based on product objectives and requirements.

- Work with the broader product engineering team to plan and coordinate feature and functionality improvements, as well as resolve bugs and execute technical enhancements, that cross-cut large parts of our platform.

- Work to continually learn, improve technology skills, expand knowledge of the our platform technologies, and gain increasing versatility across the breadth of our platform systems.

- Expand APIs and business logic, and as needed write or revise customer-facing API documentation.

- Work with our infrastructure team to enable and enhance highly-available, performant, and well-instrumented backend applications and services that run in our customer environments at substantial scale.

- Support operations and infrastructure teams for issue resolution on relevant applications or services running in production environments.

PAR Retail Offers:

- Long-term employment;

- Competitive compensation with regular performance-based salary and career development reviews;

- Paid vacations and sick leaves;

- Flexible working hours;

- A unique and friendly environment where everyone can explore and learn new technologies.

We are looking for a Full Stack Engineer to join our team at ORIL. This is an opportunity to work on a sophisticated PropTech / MarTech platform that is currently reshaping how the real estate industry handles data. If you enjoy a high-tempo environment, love working with AI, and want to see your code make a direct impact on business decisions, this is for you.

Project: Our client is a US-based innovator providing a centralized data platform for multi-family real estate. The product uses BI and AI analytics to help operators optimize marketing spend and operational efficiency.

Tech Stack: Ruby on Rails, React, PostgreSQL, AI/LLM integrations, AWS.

What are we looking for?

• 4+ years of experience in Full Stack development using Ruby on Rails and React;
• Proactive Delivery: You are comfortable with a fast development pace. You don’t wait for detailed instructions on every edge case—you think ahead and deliver ready-to-use features;
• Technical Independence: You can take a high-level requirement and turn it into a working feature (from DB schema to UI) without constant supervision;
• Problem-Solving: You focus on making things work efficiently and aren't afraid to dig into complex data or scraping logic;
• Communication: Ability to discuss technical solutions directly with the team and the client;
• English level: Upper-Intermediate (B2).

Nice to have:

• Experience in PropTech or fast-growing SaaS startups;
• Experience with web scraping or complex data ingestion;
• Familiarity with AI/LLM integrations (OpenAI API, etc.).

What will you do?

• Develop and maintain features across the full stack (RoR + React);
• Build and optimize integrations with external property management and marketing tools;
• Work on the AI assistant’s backend logic and its UI representation;
• Help the team maintain a high tempo while keeping the code clean and scalable;
• Collaborate with the Lead dev and PM to refine the technical roadmap.

We offer:

• Competitive compensation;
• Flexibility to work from anywhere (fully remotely or in our office in Lviv);
• Accounting Support Services;
• Education budget + corporate education events/trainings;
• Compensation for certifications, fitness, or therapy sessions;
• A dynamic environment where your proactivity is recognized and rewarded.

Application Process:

1. Initial Screening: Call with Recruiter.
2. Technical Interview.
3. Client Interview.

Ready to build the future of Real Estate AI? Apply now and let’s get to work!

We are looking for Middle and Senior Shopify App Developers to join a project focused on extending and improving existing Shopify applications.

The role is focused specifically on Shopify app development with a strong Ruby on Rails backend expertise. You will work on implementing new functionality, improving existing features, and contributing to scalable Shopify-based solutions.

Project Details

• Client Location: Ukraine
• Employment Type: Freelance 
• Engagement: Full-time
• Duration: 3+ months

• Project Type: Existing Shopify applications development and feature expansion

   

Requirements

Must Have

• 3–5+ years of commercial development experience
• Strong experience with Shopify app development
• Solid knowledge of Ruby on Rails
• Experience with Node.js
• Strong TypeScript skills
• Experience integrating with Shopify APIs and ecosystem
• Understanding of scalable backend development principles

• Ability to work independently and communicate effectively within a distributed team

   

Nice to Have

• Experience with Shopify Admin API / GraphQL
• Experience building public or custom Shopify apps
• Familiarity with Shopify app architecture and app deployment processes

• Experience with performance optimization and third-party integrations

   

Responsibilities

• Develop new functionality for existing Shopify applications
• Design and implement backend features using Ruby on Rails
• Work with Shopify APIs and integrations
• Maintain and improve existing codebase
• Collaborate with internal and client-side teams

• Participate in technical discussions and feature planning

   

Interview Process

1. Recruiter Interview
2. Internal Technical Interview

3. Client Interview

    

Additional Information

• This role is specifically focused on Shopify app development rather than Shopify theme development
• Strong backend expertise with Ruby on Rails is important
• Long-term cooperation is possible depending on project needs

Cropwise Operations is a global leader in digital agritech solutions, operating in over 50 countries and helping optimize business processes and improve the efficiency of agronomic decision-making.  

We are looking for a skilled Ruby on Rails Developer to join our team.

What we expect from a candidate:

- Preferably 3+ years of Ruby on Rails development experience.

- Strong knowledge of Rails.

- Experience with testing frameworks like RSpec and Capybara.

- Testing with RSpec/Capybara.

- Basic knowledge of ES6 + React.js.

- Experience with JavaScript.

- Standard Rails application deployment stack (Git, CI, Capistrano, *nix).

- Knowledge of HTML/CSS.

What exactly will you need to work with:

- Backend on Ruby on Rails 7.0 (Ruby 3.2).

- PostgreSQL + PostGIS database (handling large geospatial datasets).

- Job processing with Resque + Redis.

- Testing on RSpec + Capybara + CI.

- Partially frontend on React.js (ES6, JSX).

What else can you work with?

- Algorithms for processing large amounts of geodata.

- Reception and processing of binary data (Ruby eventmachine).

- Working with RabbitMQ.

- AWS, Google Cloud, Kubernetes.

- Visualization and work with geodata on the frontend (Mapbox GL JS).

Hiring process:

- Intro call;

- Test Task;

- Final Interview;

- Offer.

The company offers:

- Opportunity to be a part of a best-in-class product that is used by thousands of companies around the world.

- Participation in complex technical tasks and challenges.

- Environment where you need to seek and implement unique engineering and technical solutions.

- Trainings and development programs.

- Flexible work formats: remote, office or hybrid.

- Health and life insurance for employees and your family members.

- 32 working days of paid annual leave and sick leave.

About Cropwise Operations

Cropwise Operations is a SaaS platform for farmers, leveraging cutting-edge technologies such as computer vision, big data, and AI to deliver actionable insights and improve agricultural outcomes.

For seekers, cooperation with Cropwise Operations is an opportunity to be part of a best-in-class product used by hundreds of companies around the world, and to deal with complex technical tasks in the field of neural networks and machine learning with the need to constantly improve their knowledge and skills, to find and implement unique engineering and technical solutions.

Ruby Backend Developer (Remote)

Role

Bluegeko is looking for a Ruby Backend Developer to join our fully remote team. You will work on scalable backend systems and APIs for U.S. based partner projects, collaborating with developers, QA engineers, and product teams across international environments.

Tech Stack

• Ruby / Ruby on Rails
• PostgreSQL
• REST APIs
• Sidekiq
• Redis
• Docker
• AWS
• GitHub / GitLab
• CI/CD pipelines
• RSpec

Responsibilities

• Develop and maintain backend services and APIs
• Participate in architecture discussions and code reviews
• Collaborate with developers, QA, and product teams
• Analyze requirements and break down technical tasks

• Improve system performance and reliability

   

Requirements

• 3yrs+ Experience with Ruby and backend development
• Experience with Ruby on Rails and SQL databases
• Understanding of scalable backend systems and APIs
• Familiarity with Git workflows and CI/CD
• Good English communication skills

What We Offer

• Fully remote position
• Competitive salary
• Performance bonuses (For delivery)
• Flexible working hours
• International U.S. projects
• Professional development opportunities
• Work on large-scale infrastructure products used globally

About the Role

We are looking for a Ruby Backend Developer to join our team in Limassol, Cyprus. In this role, you will contribute to the development and maintenance of our core infrastructure, ensuring efficient and scalable backend solutions. You will collaborate with other developers, testers, and product teams to enhance our backend services.

About Servers.com

Servers.com is a global IaaS provider offering dedicated servers and scalable hosting solutions with top-tier performance and support. Our data centers in North America, Europe, and Asia serve B2B clients in gaming, fintech, adtech, and beyond.

With offices in multiple locations worldwide, we prioritize innovation and a customer-first approach, continuously enhancing our solutions to meet evolving business needs.

Our Technology Stack

• Ruby and related technologies: ActiveRecord 7, dry-types, dry-validation, Grape, Puma, Sequel, Sidekiq (latest stable versions).
• Go as the primary language for several projects.
• RSpec for unit and integration testing.
• Sentry for automatic error monitoring.
• Jira as an issue tracker.
• Confluence as a knowledge base.
• GitLab for repository and CI.

• Improved version of Git Flow.

   

Responsibilities

• Develop and maintain Servers.com backend services.
• Participate in architecture design, perform refactoring and code reviews.
• Analyze and discuss technical solutions with the team to reach a consensus.
• Examine requirements for clarity and feasibility, decompose complex tasks.

• Work with testers to find, identify, and resolve issues.

   

Requirements

• Experience with Ruby and related backend technologies.
• Proficiency in SQL databases and database architecture.
• Understanding of scalable backend systems and API development.
• Experience with CI/CD tools (GitLab preferred).

• Comfortable communicating in English.

   

What We Offer

• Competitive salary and medical insurance.
• Relocation support to Limassol, Cyprus.
• Visa support.
• Daily office lunches.

• Challenging tasks and professional development opportunities.

   

Location & Working Arrangements

• Office Location: Limassol, Cyprus (HQ).
• Hours: 40 hours per week.