Jobs Ruby

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 7 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.
   

Interview stages:

1. HR interview with EchoGlobal
2. Coding test (you are presented with a link to do a live-coding test)
3. Technical interview #1 
4. Technical interview #2

Requirements:

At least 2-3 years experience programming in Ruby on Rails

Modern Ruby (3+), modern rails (7+)

Practical experience with RDBMS (preferably PostgreSQL)

Experience implementing APIs

Loves working in an Agile environment, Jira

Experience with source control tools — Git, Github

Experience with UNIX/Linux command line

Ability to solve problems using best practices and principles

Working closely with front-end developers

Will be a plus:

Third-party APIs integrations

TDD

DDD

Knowledge of server management (deployment, monitoring, optimizing, etc.)

Experience working in micro service architecture projects

Experience with Sidekiq

Experience with Elasticsearch

Knowledge of design patterns, basic algorithms and data structures

We offer:

Interesting project and challenging tasks

Professional & career growth

Vacation and sick leaves

Responsibilities:

Work closely together with business, design and other stakeholders of project

Write robust manageable code

Work in an agile team, participation in planning sprints, daily meetings, retrospectives, code reviews

Write unit and integration tests, bugs fixing and provide continuous integration

Use JIRA bug-tracking system, Time Tracker

Suggest ideas to improve work

Be a self-motivated and result oriented team player

About us:

Health24 is a medical information service for cloud storage, online processing and secure real-time sharing of medical information for healthcare workers and patients.

More details here — health24.ua

QIT Software is looking for a Software Engineer who thrives on solving complex technical challenges and improving product stability, performance and scalability. In a SaaS environment, you’ll work across our upstream and midstream product lines to ensure it’s running efficiently and reliably for our customers.

Requirements:

- Bachelor’s degree in computer science or engineering
- Strong computer science foundation in algorithms
- 3+ years of experience as a software engineer in a SaaS or cloud-based environment
- Experience working on enterprise web application development
- Experience with Ruby 
- Experience with relational databases, such as SQL Server
- Experience with JavaScript Libraries


Responsibilities:

- Diagnose and resolve production issues impacting uptime, stability, or performance.
- Profile and optimize code, database queries, and API interactions to improve response times and scalability.
- Collaborate with Product and QA teams to enhance reliability and maintainability of core systems.
- Develop clean, efficient, and well-documented code using modern software development practices.
- Participate in code reviews, architecture discussions, and performance tuning initiatives.
- Contribute to continuous improvement efforts across the full SDLC — from incident prevention to automated testing and deployment.

Work conditions:

- The ability to work remotely from anywhere in the world;
- Flexible work schedule, no micromanagement, no strict deadlines and free overtime work;
- Work in European and American products with a modern technology stack in different domains (Finance, Technology, Health, Construction, Media, AI, Blockchain, etc.);
- Revision of wages every year or on an individual basis;
- Accounting support;
- 100% compensation for remote English lessons;
- 15 paid leaves (PTO) and public holidays.

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 🚀

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.

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

🔥 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 📩