Jobs Ruby

We are seeking an experienced Ruby on Rails (backend) and Next.js (frontend) developer. A good working knowledge of React is acceptable, but knowledge of Next.js specifically is a significant advantage. Experience mix: core RoR, with a good understanding and at least one year of experience in Next. Frontend, backend, database, API, and more. Teamwork within agile development processes.
Hourly pay. Time tracking is required. If this does not suit you, please do not apply.
Expected workload: 30-40 hours per week (details during interview).
Fully remote.

Required Skills:
- 4+ years of professional Ruby on Rails development experience
- Deep understanding of MVC architecture and Rails conventions
- Proficiency in database design and optimization (PostgreSQL preferred)
- Experience with front-end technologies (HTML5, CSS3, JavaScript, Stimulus/Turbo)
- Knowledge of version control systems (Git) and deployment processes
- Knowledge of testing frameworks (RSpec, Capybara, Factory Bot)
- Understanding of security and performance optimization best practices
Preferred:
- Experience with cloud platforms (AWS, Heroku, Digital Ocean)
- Knowledge of Redis and Sidekiq for background processing
- Knowledge of Docker and containerization
- Experience with CI/CD pipelines
Salary:
- $14-$17 per hour, depending on the agreement. You evaluate our proposal, we evaluate your experience and how well we fit together.

Restrictions:
- Agencies, please do not contact us.
- Candidates from Ukraine only.
- If you have any doubts about our offer's suitability, please do not contact us to avoid wasting your time and ours. We will primarily evaluate the candidate's readiness to work with us on our terms.

I will try to respond to everyone, but if there are a large number of applications, I cannot guarantee a response.

We’re looking for an experienced Ruby on Rails Developer who enjoys building reliable, user-centric web applications and taking ownership of meaningful technical challenges. In this role, you’ll work on a mature product, collaborate closely with a skilled and supportive team, and have real influence on both technical decisions and product evolution.
 

Your Background

• Proven experience in building and maintaining web-based applications
• 5+ years of hands-on experience working with Ruby on Rails, Stimulus, Vue.js, PostgreSQL, and Linux-based servers
• A collaborative mindset - you enjoy working closely with others and contributing as part of a team
• Strong written and verbal communication skills in English and/or German
• Comfortable taking ownership and responsibility, seeing it as a chance to grow rather than a source of pressure

• Genuine interest in understanding the needs, challenges, and perspectives of both users and clients

   

Our Technical Stack

• Backend: The core of our product is built with Ruby on Rails, primarily using server-side rendering
• Frontend: Vue.js is used for selected components, with Turbo and Stimulus planned for future enhancements
• Database & Caching: PostgreSQL for persistent data storage and Redis for caching
• Infrastructure & Deployment: Applications run on Ubuntu Linux virtual machines, deployed using Capistrano, with a planned migration to Kamal 2
• Development Tools: RubyMine is the main IDE used by the team
• Version Control & Code Review: GitLab for source control, merge requests, and reviews

• Team Communication: Slack is our primary communication platform

   

What You Can Expect

• Working on and evolving a modern, user-focused product
• Improving existing functionality while contributing to new features and development initiatives
• The opportunity to influence processes, product direction, and infrastructure growth
• Participation in annual developer retreats
• Dedicated time and support for your professional growth and learning

💎 We’re Hiring: Junior Ruby on Rails Developer

📍 Remote | 🕒 Full-time | 💼 Junior Level | 💰 $500-800

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:
• $500-800 salary range
• Fully covered AI tools
• Free English-speaking club
• Friendly and collaborative team culture
• Room to learn and grow - mentorship from experienced Ruby developers
• 100% remote with flexible hours

📎 To Apply:
Send your CV and GitHub profile

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

About Us

At Uitop, we design intuitive, scalable UI/UX for fast-growing B2B SaaS platforms across industries like logistics, finance, construction, and so on.

Job Summary
We are looking for a Ruby on Rails Developer to join our team. The role focuses on backend development, building and optimizing systems. The position also involves integrating AI features to enhance the platform.

What do you have

• At least 4 years of experience with Rails. 
• Proficient in Backend: you have at least three years of experience with Ruby and Ruby on Rails (most important), ideally 3-4 years.
• Frontend: Vanilla JavaScript, Hotwire with StimulusJS & Turbo a bit.
• Knowledge of Data Stores: Postgres and Redis; Sidekiq; S3. 
• Experience with Stimulus, TailwindCSS. 
• Experience with cloud environments, Terraform, networking and security concepts is a big plus. 
• Good English communication skills (B2 level), be ready to communicate effectively in English.

About project
The platform helps cities, developers, and urban planners automate and simplify the permit approval process, reducing errors and speeding up approvals with AI.

What we have

• Vacation - 18 working days per year, 10 Sick Days;
• 50% coverage of English language courses/any kind of courses;
• Working with complex SaaS systems for a long time;
• Performance & salary review constantly.
• Professional development support (books, online courses, conferences, certifications, Internal English classes);
• The opportunity to influence the project with your decisions;
• Financial compensation of coworking 100% (during blackouts);
• Flexible work schedule, remote.

Our focus is on a result-oriented person, ready to learn and implement new technologies. Maybe you are our match, let's talk!

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

- Readiness to work in the ET (US) time zone

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;

- Health insurance program;

- Flexible working hours;

- Sponsored company educational program, corporate library;

- Comfortable and cozy office;

- Funny celebrations, team outings, and company events;

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

Who We Are

We build apps for the Wix App Market - and we build the best ones in our categories. Real users, real traction, high standards. We move fast and care about the craft. Any doubts? Take a look at our reviews 😁
https://www.wix.com/app-market/developer/rubyroid-tech
 

The Role

You'll own features end-to-end - from spec to deployment - on live products. No micromanagement, no hand-holding. Junior or middle, doesn't matter - what matters is that you ship.
 

Stack

Ruby on Rails, PostgreSQL, React/JS, Sidekiq/Redis, Docker/CI-CD
 

You'll Do Well Here If You

• Ship working, tested, documented features - not just code
• Push through blockers instead of waiting to be unblocked
• Take feedback without drama and show improvement
• Navigate ambiguity and default to action

Requirements

• Ruby on Rails experience with at least 1 commercial project
• Basic PostgreSQL knowledge
• English Intermediate+ (specs and reviews are in English)

Nice to Have

• Wix App Market experience
• React / Sidekiq background
• SaaS product experience

What We Offer

• Fully remote - work from Ukraine or abroad
• Flexible hours - no 9-to-5
• 20 days paid vacation
• $1,000-$3,000/month depending on level
• Real ownership over features you ship
• Direct feedback, no politics, room to grow

We're looking for Senior RoR Developer for German customer who develops an app for e-commerce businesses. 

Full-time, long-term. Engagement model: staff augmentation.

Frontend: React, Typescript, Bootstrap, react-query, react-table, axios

Backend: Ruby on Rails, Postgresql, Swagger, Cube

Responsibilities

• Developing new user-facing features using React and Rails
• Developing a product that users love. Most of the assignments will require you to show strong teamwork with a sense of accountability.
• Consuming our REST API through our auto-generated OpenAPI client
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code

• Leverage AI in development, write PRDs and feed into AI

   

Qualifications:

• 8+ years of experience as RoR developer; 3+ years of experience with React
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• English B2/C1

About us

Syndicode is a value-driven software development partner with a globally distributed team of engineers, designers, architects, and IT managers. We are united by the mission to provide our clients with software products and services that perform, look, and work as designed. 

We believe that our people and culture sustain Syndicode’s success. Our team is unified by shared principles like: Accountability, Involvement, Excellence, Visibility, Integrity, Innovation, Win-Win, and Flexibility. Syndicoders are professionals who pursue self-improvement through continual learning, are eager to introduce improvements to work processes, and can analyze a variety of sources to make sound, timely decisions.

If it sounds like you, apply to our jobs and become a new Syndicoder!

 
About the role

We are looking for a Senior Ruby on Rails Engineer who excels in backend development and problem-solving. The ideal candidate delivers scalable, high-quality solutions that drive value for stakeholders and has a proven track record in designing, building, and maintaining production-grade Ruby on Rails applications in complex domains.
 

What you’ll be doing

• Design, develop, and maintain scalable web applications using the latest Ruby on Rails versions and PostgreSQL
• Develop and implement new features
• Maintain the code quality at the highest level
• Develop and maintain automated test suites to ensure code quality and stability
• Implement API endpoints and integrate with a React application
• Integrate various 3rd-party services
• Integrate services with ML algorithms
• Create and maintain technical documentation
• Apply existing best practices in software development
• Provide the task estimation
• Participate in requirement elicitation and clarification with the product owner
• Optimize existing solutions, improve performance, refactor suboptimal code
• Make technical decisions and be able to justify them
• Troubleshoot and resolve production issues in a timely and efficient manner

What you’ll need

• 5+ years of working experience with Ruby on Rails
• Strong understanding of object-oriented programming and design patterns
• Proficiency in English (Upper-Intermediate level and above)
• Experience with Ruby from 3.1 version and above
• Strong problem-solving skills and the ability to work in a team environment
• Excellent communication skills
• Experience in writing unit/integration tests
• Ability to write testable code
• Strong knowledge of SQL
• Experience working with PostgreSQL
• Experience working with Redis
• Experience working with Elasticsearch

Nice to have   

• Experience working with React, Docker, and Sidekiq
• Experience using AWS, Kubernetes, GitHub actions, and Python
   

What you’ll get at Syndicode

• 15 days of vacation, 11 days off for holidays, and 20 sick leave days per year
• Fully remote job
• Internal tech meetups
• Continuous feedback within teams and departments
• Top-notch team 
• Ability to participate in decision-making and bring new ideas
• Self-management: opportunity to manage your time and plan your activities
• Dynamic fast-growing environment: we react and adapt quickly to the world and market changes.

Required skills:

👉At least 5 years experience with Shopify

👉 At least  upper-Intermediate English level

⚡️ experience with Shopify Plus will be a HUGE plus.

Key Responsibilities:

👉 Developing new features and websites

👉 Supporting existing solutions

👉 Migrating from various e-commerce platforms

👉 Debugging and bug fixes for operating businesses

👉 Take part in the development of our own tools and frameworks

👉 Project deployment and basic testing

We offer:

✅ Become a part of rapidly growing Ecommerce Agency

✅ NO russian clients, NO russian colleagues!

✅ Remote work

✅ Paid time-off

✅ Flexible schedule

✅ Ability for a constant financial and professional growth

We are looking for an experienced Ruby on Rails Engineer to join a product-driven team working on scalable web applications with a strong focus on performance, clean architecture, and business impact. The role involves building and maintaining backend services, integrating third-party systems, and collaborating closely with frontend and product teams.

Details

• Location: Fully Remote
• Employment Type: Full-time
• Start Date: ASAP
• Language Requirements: English – Upper-Intermediate or higher
• Time Zone Overlap: At least 2–3 hours with CET / US time zones

Key Responsibilities

• Develop, maintain, and scale backend services using Ruby on Rails
• Design and implement RESTful APIs and backend business logic
• Work with relational databases, ensuring performance and data integrity
• Integrate third-party services (payments, marketplaces, external APIs)
• Collaborate with frontend developers, product managers, and QA
• Write clean, maintainable, and well-tested code
• Participate in code reviews and architectural discussions

Requirements

• 4+ years of commercial experience with Ruby on Rails
• Strong understanding of MVC architecture and Rails ecosystem
• Experience with PostgreSQL / MySQL
• Solid knowledge of REST APIs and background jobs (Sidekiq or similar)
• Familiarity with Git and modern development workflows
• Experience working in Agile/Scrum environments
• Ability to work independently in a remote setup

Nice to Have

• Experience with Hotwire / Turbo / Stimulus
• Background in marketplace or e-commerce platforms
• Experience with cloud platforms (AWS / GCP)
• Knowledge of Docker and CI/CD pipelines
• Basic frontend skills (HTML, CSS, JavaScript)

Company Description

#1 talent intelligence platform and global leader in recruiting software which serves over 125,000 recruiters around the world.

Project Description

You will work across backend, frontend, browser extension, and mobile surfaces to deliver real, user-facing impact. You will integrate AI/ML-powered features into workflows, own complex integrations, and help evolve a product used at scale. This role is product-focused, integration-heavy, and well suited for engineers who enjoy owning features end-to-end.

Requirments

• At least 5 years of experience as a full-stack engineer working with Rails and JS.
• Comfort building and consuming APIs, including GraphQL.
• Experience with complex integrations such as communications, payments, or third-party services.
• Solid understanding of relational databases and search systems.
• Product mindset with attention to UX, performance, and reliability.
• Ability to work effectively in an AI-augmented development environment.
• Excellent communication, analytical, and problem-solving skills.
• Advanced level of English.

Responsibilities

• Design and implement full-stack features using Ruby on Rails, GraphQL, and TypeScript/React.
• Integrate ML outputs into UI, search, and automations, working closely with AI and data teams.
• Build and maintain APIs consumed by web, mobile, and extension clients.
• Own feature quality including UX guardrails, edge cases, and observability.
• Contribute to scalable architecture across multi-region Kubernetes environments.
• Participate in code reviews, technical discussions, and iterative product delivery.
• Daily use of modern AI coding tools such as Cursor and Claude.

Technical Stack

Backend

• Ruby on Rails with Sorbet typing
• GraphQL and JSON APIs
• Background jobs, authentication, billing with Stripe
• Integrations with Google, Twilio, Intercom, Mailgun
• Postgres (PostGIS, pgvector), Redis, Elasticsearch

Frontend

• TypeScript and React
• Redux, Router, Relay
• MUI, Storybook
• Data visualization with Plotly or Recharts
• Mapping with Leaflet

Mobile

• React Native app using the same API surface as the web product

Infrastructure and DevX

• Kubernetes at scale, multi-region and multi-provider
• Strong observability with logging, metrics, and tracing
• Docker and devcontainers
• Local Minio S3, Postgres, Elasticsearch bootstrap
• CI-friendly workflows with RSpec or Minitest, Rubocop, Sorbet, Prettier

Working conditions

• Mon — Fri, 8h/day, overlap with US (CST) at least 4 hours.

DRCT is an innovative IT product company, providing cutting-edge solutions in the aviation industry since 2016. Our team of 55 people is spread across Europe, working on impactful products in a fast-paced environment.

We're looking for a talented Back-End Developer with strong expertise in Ruby to help build and maintain our suite of products, including our website, API, and extensions. In this role, you'll focus on API integrations, particularly within the airline distribution domain, developing new features, optimizing integrations, and ensuring scalable solutions.
 

What you'll do:

1. API & Airline Integration
   • Integrate third-party APIs, particularly airline APIs, ensuring seamless communication.
   • Maintain and enhance existing integrations, working with REST and SOAP services.
   • Collaborate with airline partners to ensure accurate and efficient data handling.
   • Work with NDC-based airline integrations, including complex XML payloads and domain-specific business logic.
2. Feature Development
   • Design and implement new features from concept to deployment.
   • Write clean, maintainable, and well-documented code in plain Ruby and Rails.
   • Continuously identify and implement enhancements to improve product functionality and user experience.
3. Performance, Security & Testing
   • Work with asynchronous processes and background jobs for external integrations.
   • Implement RSpec tests to maintain high code quality and reliability.
   • Ensure adherence to performance, security, and scalability best practices.
   • Debug and resolve production issues in complex integrations, ensuring system stability and data consistency.
4. Collaboration and Communication
   • Demonstrate strong self-organization, efficiency, and a proactive approach to problem-solving and project execution.
   • Work closely with developers, product managers, and QA teams.
   • Effectively communicate technical concepts and project updates to stakeholders.
      

What you'll bring:

• 3+ years of experience with Ruby 3 and Rails 7+.
• Good knowledge of PostgreSQL, MongoDB, and Redis, including query optimization, indexing strategies, and scalability considerations.
• Experience working with REST and SOAP APIs, capable of delivering complex integrations end-to-end.
• Proficiency in RSpec testing, Git, Bash, and CI pipelines.
• Intermediate or higher English proficiency with strong communication skills.
• Ability to take ownership of features and integrations from idea to production.
   

Nice-to-Have Skills

• Experience with AWS, Datadog, and Elasticsearch.
• Experience with alternative Ruby frameworks such as Roda, Sinatra, or Hanami.
• Experience in the aviation industry.
   

What we offer:

• Enjoy a fully remote-friendly role with the option to work from our modern office in Kyiv whenever you prefer.
• Tax Support — we cooperate through a sole proprietor contract, providing tax coverage and accounting assistance.
• Work-life balance — take advantage of 24 calendar days of vacation, public holidays, and 7 sick days without the need for a medical certificate.
• Zero Bureaucracy — we focus on efficiency, results, and innovation instead of endless meetings and bureaucracy.
• Career Development & Growth — we're dedicated to your success with plenty of opportunities to develop and advance in your role.
• Learn from Experienced Engineers — enhance your skills through knowledge sharing with senior developers and tech experts
   

Ready for the Next Step? Apply now and take your career to new heights with us!

Who we're looking for:

We are seeking a talented and experienced Backend Engineer to join our R&D Team (250+ people: developers, QA engineers, designers, technical support engineers, DevOps engineers, and product managers). This role is key for us, and we are looking for someone with a proactive mindset, strong technical expertise, and readiness to take ownership of complex engineering challenges.
 

Technology stack:

• Backend: Ruby on Rails 7+, PostgreSQL
• Infrastructure: Docker, Kubernetes, AWS
• CI/CD & VCS: GitLab
   

Our expectations:

• Solid backend development experience (7+ years) in Ruby.
• Strong understanding of software architecture, design principles, and development methodologies
• Strategic thinking and proven ability to solve complex engineering problems
• Experience in improving code quality, introducing best practices, and setting coding standards
• Excellent communication and collaboration skills, ability to work effectively in cross-functional teams

What You’ll Be Responsible For:

• Own key services and shared components in the cluster: design, develop, and operate them in production.
• Shape architecture together with other senior engineers: break monoliths into well-bounded modules, improve scalability and performance, and keep technical debt under control.
• Raise the bar on code quality and reliability through thoughtful design reviews and well-reasoned refactoring.
• Drive foundational improvements (observability, CI/CD, testing frameworks, security hardening) that make every team faster.
• Collaborate closely with PdM, Staff Engineers and CTO to translate business vision into required technical foundation and realistic milestones.
• Share knowledge: mentor mid-level developers, document best practices, and present learnings at internal tech talks.
• Contribute to hiring and onboarding by taking part in interviews and helping newcomers land smoothly.

Samples of tasks solved by our developers:

• Development of Dropbox-like functionality — creation and maintenance of cloud file storage with collaborative access and synchronization features.
• Billing systems integration.
• Integration with third-party services.
   

Ready to build the foundations that everyone else stands on?

Apply now and let’s architect the future together.

🔥 Знаходимось у пошуках Ruby on Rails Developer у продуктову eCommerce-компанію з історією понад 19 років на ринку, яка входить до великого технологічного холдингу з офісами в Казахстані та Азербайджані.

🔎🏢 Основна спеціалізація - великі онлайн-маркетплейси в категоріях Real Estate, Automotive, Job Portals та General Classifieds (універсальні платформи для приватних оголошень). За концепцією продукти нагадують OLX, Auto.ria та Work.ua. Загальна аудиторія - мільйони користувачів щодня. Команда інженерів - 30+ осіб. Технічна культура - інженерна, із високими вимогами до якості коду та глибини розуміння стеку.

⚙️ Технологічний стек проєктів:
• Backend: Ruby, RoR (завжди остання версія), Redis, Elasticsearch, PostgreSQL, GraphQL;
• Frontend: React, React Native, Next.js;
• Хмарні платформи: AWS, GCP.

📜 Основні завдання:
• Розробка та підтримка платіжних інтеграцій з локальними та міжнародними провайдерами;
• Оптимізація продуктивності та масштабування існуючих рішень;
• Розв’язання нетривіальних задач на стику бізнес-логіки й технологій;
• Робота в тісній зв’язці з архітекторами, продуктовими командами та фронтендом;
• Дотримання принципів інженерного мислення: відповідальність за результат, а не лише за реалізацію.

✅ Очікування від кандидата:
• Досвід розробки на Ruby on Rails - від 7 років;
• Розуміння принципів побудови високонавантажених систем;
• Участь у розробці складних проєктів, бажано - у проектуванні архітектурних рішень;
• Досвід роботи з GraphQL - буде перевагою;
• Англійська на рівні читання технічної документації.

🧪 Процес відбору:
• Технічне інтерв’ю з архітектором компанії (формат live-coding, до 2 годин);
• Зустріч з Engineering Director;
• Офер.

Зацікавила роль? Будемо раді розповісти більше 📩