Вакансії Ruby Developer / Engineer
- Ruby on Rails
- React
- Git
- Heroku
- AWS
On behalf of our Client from the UK, Mobilunity is looking for a Full-Stack Developer.
Our client is transforming the car repair industry through a digital marketplace that connects drivers with reliable mechanics. The platform allows users to receive instant quotes and book services with ease, bringing greater transparency and trust to the automotive repair process.
As the first in Europe to provide real-time, standardized pricing for repairs, the company is backed by well-known investors and is experiencing strong growth, with plenty of opportunities ahead.
You’ll be a key contributor across their stack, collaborating closely with CTO and Head of Engineering. From feature development to DevOps and architectural design, you’ll be deeply involved in the entire product lifecycle.
Responsibilities:
- You will be working in an Extreme Programming (XP) environment, using practices like pair programming, continuous delivery, and test driven development to deliver great working software iteratively and safely.
- Develop and maintain robust, well-tested Ruby and JavaScript code.
- Refactor legacy codebases for maintainability and performance.
- Collaborate with business and technical stakeholders to define and deliver features.
- Monitor production systems and respond to technical support needs.
- Maintain and improve CI/CD pipelines and developer tooling.
- Continuously learn, innovate, and share ideas with the team.
Tech Stack:
- Backend: Ruby (Rails), PostgreSQL, Elasticsearch
- Frontend: React, Redux, JQuery Mobile (legacy)
- DevOps: Heroku, AWS, Docker, CircleCI, GitHub
- Data: Meltano, Snowflake, Looker
- Tooling: Jira, Git, Webpack, Grunt
Requirements:
- Proficient in Ruby on Rails and React.
- Experience building production web apps using MVC frameworks.
- Strong grasp of OOP, SOLID principles, and TDD.
- Confident with Git, including advanced usage like rebasing.
- Comfortable with DevOps and cloud platforms (Heroku/AWS).
- Enjoy pair programming and collaborative development.
- Excited about clean code, legacy systems, and learning new tech.
- Confident level of English (at least upper-intermediate to handle all communications)
Інформація про компанію Mobilunity
Переваги співробітникам
- English Courses
- Бухгалтерський супровід
- Медичне страхування
- Оплачувані лікарняні
- Регулярний перегляд зарплатні
- Ruby on Rails
- SQL
- Rest API
- HTML
- CSS
What you need to know/have:
- B1+ level of spoken English;
- at least 1 year of commercial experience with Ruby on Rails;
- basic SQL knowledge
- experience with REST API, HTML, CSS
- strong communication skills, positive mood
What you'll be doing:
- Support & maintain existing code base;
- Follow Product Owner’s priorities on resolution of minor to middle complexity tasks;
- Work with team and Team Lead on preparation and implementation of new solutions that will solve business challenges that our client is facing;
- Writing unit tests & follow existing coding standards and best practices;
- Participate in team meetings, demos and other events.
Інформація про компанію COAX
- Ruby on Rails
- Python
- Go
- Node.js
- Vue.js
- React
- AWS
- RDBMS
- NoSQL
- PostgreSQl
- MongoDB
PeerSpot is the world’s fastest-growing review platform for enterprise tech with over 500,000 registered members. As a profitable company since year three, PeerSpot empowers leading tech vendors and buyers through trusted peer reviews. With a strong mission and a collaborative culture, PeerSpot enables its team members to make real impact while continuing to grow their skills and careers.
Required skills:
- 3-5 years of proven experience with Ruby on Rails.
- Demonstrated experience with other open-source tools, frameworks, and languages. This list includes but is not limited to: Python, Go, Node, Javascript Frameworks like Vue or React,
- Cloud-based technologies like the AWS ecosystem, and Relational and NoSQL databases like Postgres and Mongo.
- End-to-End Ownership - Take full ownership of your work, from initial problem definition and solution design through development, testing, and successful delivery. You'll see your contributions come to life.
- A high level of spoken and written English
Scope of work:
- Drive Business Impact: Collaborate closely with key stakeholders across Review Collection, Delivery, Customer Success, and Sales to identify strategic opportunities where technology can deliver the greatest value and directly impact our business objectives.
- Collaborative Solution Design: Partner with the CTO and the entire development team to architect and scope out innovative, scalable solutions from concept to deployment.
Інформація про компанію AllStarsIT
Переваги співробітникам
- English Courses
- Team buildings
- Work-life balance
- Відпустка по догляду за дитиною
- Допомога психотерапевта
- Компенсація витрат на спорт
- Медичне страхування
- Оплачувані державні свята
- Оплачувані лікарняні
- Освітні програми, курси
- Ruby
- Ruby on Rails
- PostgreSQl
- AWS
- Web API
- HTML
- CSS
- JavaScript
- Vue.js
- React
Our client is developing a cutting-edge online casino and sportsbook platform, built to be the fastest, most reliable, and feature-rich solution in the industry.
We are looking for a Senior Engineer (Ruby/Rails) to join our team.
Requirements:
- Five-year working experience with Ruby/Rails (at least)
- Profound knowledge of OOP, SOLID, multitier architecture
- Experience in building medium-to-large monolithic applications & distributed systems
- Experience in working with PostgreSQL directly, not only through ORM
- Experience with infrastructure and AWS in particular
- Experience with Web API
- Good knowledge of HTML, CSS, JS
- Experience with front-end frameworks e.g., Vue, or React.js (would be a plus)
- Would be a plus to have experience in scaling websockets in Ruby ecosystem (RT communication)
- Strong analytical skills
- Bachelor’s or Master’s degree in computer science (or similar technical field)
- Level of English: Upper-Intermediate (at least)
Responsibilities:
- Collect, analyze, and document technical requirements for software development
- Effectively collaborate with the project team and project stakeholders to achieve goals
- Design, build, and maintain robust, scalable software systems that handle high loads
- Take ownership of your work, managing it end-to-end – from idea to production support
- Collaborate on platform infrastructure and engineering challenges using AWS
- Estimate complex projects using different techniques (PERT, etc.)
- Develop well-designed, easy-to-maintain, scalable, and reusable software
- Research, study, and develop new or complex technical solutions/technologies (R&D)
- Bring fresh ideas that can benefit the project and the company
- Split scope into tasks, prioritize, assign them to developers, and monitor task implementation
- Implement performance/load/stress testing procedures according to project needs
- Provide continuous integration practices on the projects
- Collect and share best practices of software development with team members
Інформація про компанію Leobit
Переваги співробітникам
- Освітні програми, курси
- Регулярний перегляд зарплатні
- Ruby
- Ruby on Rails
- RSpec
- RuboCop
- SQL
- PostgreSQl
- Redis
- Rest API
- Grape
- Sidekiq
- Linux
- Docker
- Kubernetes
- GitHub copilot
- Cursor
- API
We are looking for a highly skilled Senior Ruby on Rails Developer to join our dynamic team. You will be responsible for designing, developing, and maintaining robust, scalable, and high-performance web applications. The ideal candidate has deep experience with Ruby on Rails, a strong understanding of relational databases, and expertise in building transactional business applications and RESTful APIs.
The target application has been in development for 2-3 years, meaning you will be working with an existing codebase. The application serves as a backend API for a React frontend, so experience with such an architecture is required. While knowledge of React is a plus, it is not mandatory.
Key Responsibilities:
- Design, develop, and maintain Ruby on Rails applications with a focus on performance and scalability.
- Write clean, efficient, and well-tested code using RSpec and observe style requirements dictated by Rubocop.
- Architect and optimize PostgreSQL databases, ensuring efficient queries and schema design.
- Design and implement RESTful APIs using Grape and other frameworks.
- Develop and manage asynchronous background jobs using Sidekiq or similar task managers.
- Work with Redis for caching and job queue management.
- Deploy and maintain applications in Linux/Docker/Kubernetes environments.
- Use AI assistive technologies (e.g., GitHub Copilot, Cursor) to improve development workflows and efficiency.
- Maintain and enhance an existing codebase, ensuring adherence to Clean Architecture or related modern design patterns.
- Collaborate closely with frontend teams building React applications to ensure seamless integration between backend APIs and frontend components.
- Maintain a disciplined approach to task management, ensuring timely delivery and high code quality.
- Communicate effectively in English with team members, stakeholders, and clients.
Requirements:
- Extensive experience with Ruby and Ruby on Rails
- Solid experience with RSpec for testing and adherence to style guides like Rubocop
- Strong SQL knowledge with PostgreSQL and experience with Redis
- Experience in developing transactional business applications and designing scalable database schemas
- Proven expertise in REST API design, particularly with Grape
- Experience with Sidekiq or other asynchronous job processing frameworks
- Excellent knowledge of Linux and Docker; basic familiarity with Kubernetes
- Strong task management skills and ability to work independently
- Familiarity with AI-assisted development tools (e.g., GitHub Copilot, Cursor, or similar)
- Fluent English communication skills (spoken and written) are crucial
- Experience working on an existing codebase for long-term projects (2-3 years)
- Experience with backend API development for React frontends
- Understanding of modern design patterns, particularly Clean Architecture or similar.
Інформація про компанію Onix-Systems
Переваги співробітникам
- English Courses
- Гнучкий графік роботи
- Кімната відпочинку
- Ruby
- Ruby on Rails
- Active Record
- RSpec
- PostgreSQl
- GitLab CI
Про проєкт:
Додатки, сервіси та платформи на базі Face Recognition технологій, які допомагають у рітейлі, банківській сфері, контролі доступу до приміщень у офісах та на великих підприємствах, контроль безпеки тощо.
Технологічний стек проекту: Ruby, Ruby on Rails, ActiveRecord, RSpec, PostgreSQL, GitLab/CI.
Обов’язки на проєкті:
- Комунікація із замовником та продуктовою командою на стороні замовника.
- Технічний аналіз бізнес-вимог замовника та пропозиції по їх реалізації.
- Спілкування з тімлідом проєкту зі стратегічних питань.
- Визначення пріоритетів, проблем та шляхів їх вирішення.
- Планування продуктивності команди, ведення графіків відпочинку учасників команди.
- Контроль термінів проєкта на всіх етапах розробки.
- Формування тамйшитів, інвойсів та контроль за їх сплатою.
- Менторство та мотивація команди.
Вимоги до кандидатів:
- Базові знання про побудову сервісних проєктів;
- Продуктове мислення та бажання покращувати продукт замовника;
- Аналітичні навички та вміння піддавати критиці пропозиції замовника;
- Вміння аргументовано висловлювати пропозиції;
- Фасилітація та вміння залучити команду до висловлення ідей та пропозицій;
- Широкий світогляд, вміння проаналізувати інші продукти у даній сфері;
- Англійська Intermediate+ для спілкування голосом та у переписці.
Інформація про компанію InterLink
Переваги співробітникам
- Освітні програми, курси
- Регулярний перегляд зарплатні
- Ruby on Rails
- SQL
- NoSQL
- HTML
- JavaScript
- TypeScript
- Angular
- React
- Docker
We are looking for experienced developers that are willing to solve complex technical issues while developing high quality software systems using modern technologies.
Requirements
- 1+ years of experience in IT
- Experience in Ruby on Rails development
- Experience with databases (SQL or NoSQL)
- English language level should be sufficient for written communication
Nice to have
- Experience in Frontend development (HTML 5, JavaScript / TypeScript, Angular / React or other)
- Experience with automated testing
- Knowledge of containerization principles, hands-on experience with Docker
Інформація про компанію Itransition
Переваги співробітникам
- English Courses
- Team buildings
- Гнучкий графік роботи
- Компенсація витрат на спорт
- Медичне страхування
- Оплачувані лікарняні
- Регулярний перегляд зарплатні
- Ruby
- Ruby on Rails
- CI/CD
- MySQL
- PostgreSQl
- Redis
- MongoDB
- OAuth2
- GraphQL
- Rest API
- JSON API
- Docker
- Cloud technologies
- GCP
- AWS
- Microsoft Azure
- JavaScript
- React.js
- Angular.js
- Vue.js
- Microservices
- Python
- PHP
- Node.js
We are looking for a talented and proactive Ruby on Rails Developer to join our Team.
Responsibilities:
- Estimate and delegate new tasks during the sprint planning;
- Initialize and configure new projects with the whole set of required tools and dependencies;
- Design and implement the project architecture according to the requirements;
- Set up CI/CD tools and processes, third-party APIs, services and integrations;
- Interview and mentor Trainee and Junior developers.
Our candidate’s profile:
- You have a minimum 2+ years of experience in Ruby and RoR;
- (production deployed projects with CI/CD);
- At least a B2 level in English;
- Good knowledge of relational (MySQL, PostgreSQL) and non-relational (MongoDB, Redis) databases, database design and optimization;
- Solid experience of integration with 3rd party systems and services (Oauth2, Graphql, RestAPI, JsonAPI);
- Experience with Docker and cloud technologies (GoogleCloud, AWS, Azure);
- Experience with at least one modern JavaScript framework (React/Angular/Vue).
Will be a plus to have:
- Experience with Microservice Architecture;
- Experience in other programming languages (Python, PHP, Node).
Інформація про компанію Gotoinc
Переваги співробітникам
- English Courses
- Team buildings
- Гнучкий графік роботи
- Допомога психотерапевта
- Оплачувані лікарняні
- Оплачувана відпустка
- Ruby on Rails
- JavaScript
- React.js
- Vue.js
- Rest API
- MVC
- SQL
- NoSQL
- MySQL
- PostgreSQl
- AWS
A-LISTWARE is looking full-time for an experienced Senior Full-Stack RoR Developer (with React.js or Vue.js)
Our Customer:
Customer is a tech-enabled vacation rentals property management company. The company provides full service for both owners and guests of the properties by using dashboard management software.
Your tasks:
- Developing full e2e systems, from design to production;
- Design robust RESTful APIs;
- Develop and maintain both backend & frontend projects;
- Design and implement user-facing features;
- Collaborate with fellow developers remotely to deliver compelling user-facing products.
Required experience and skills:
- At least 5 years of professional experience with ROR;
- 3+ years of hand-on experience with JavaScript;
- 2+ years of experience with React.js or Vue.js (with a desire to work with Vue.js);
- Solid experience with designing / maintaining REST API;
- Experience with MVC server-side frameworks;
- Experience with SQL and NoSQL (MySQL, Postgres etc.);
- Experience with AWS;
- Knowledge of software development methodologies;
- Independent, fast learner and enjoy working in a fast paced, fast growth environment;
- English – Upper-Intermediate +
Інформація про компанію A-listware
- Ruby
- Ruby on Rails
- RSpec
- SQL
- Git
- API
Our company cares deeply about the results and development. We are young, ambitious, open-minded, and ready to expand our team to achieve the highest goals, that's why we're looking for Middle Ruby on Rails Developer.
Responsibilities:
- You take responsibility for further developing our internal API for our web products.
- You drive our efforts in structuring the backend data to use it for our web applications and our data pipelines.
- You take ownership in improving the user experience and delivering a quality product by recommending possible improvements.
- You take initiative in tuning and optimizing distributed applications for performance/cost.
Requirements:
- 2+ years of experience building Ruby on Rails applications.
- Believe in extensively testing your own code (we use RSpec).
- Hands-on experience with profiling and optimizing applications (memory usage, SQL queries etc.)
- Comfortable working with Git.
- Understand that there’s usually more than one way to implement something, and you can choose the right tool and approach for the job.
- Have a good balance between ‘doing things right’ and deliver fast.
Інформація про компанію Cleverr
Переваги співробітникам
- English Courses
- Team buildings
- Без дрес-коду
- Гнучкий графік роботи
- Оплачувані лікарняні
- Оплачувана відпустка
- Ruby
- Ruby on Rails
- JavaScript
- CoffeeScript
- React.js
- Backbone.js
- Webpack
- npm
- Gulp
- Browserify
- RESTful API
- PostgreSQl
- RDBMS
- Unit testing
- TDD
- BDD
- Elasticsearch
- Redis
- Docker
- Agile
- Kanban
Brainberry invites Senior Full-Stack Developer for long-term and full-time employment at its service center in Kyiv, Ukraine.
You will have the opportunity to be a part of the extension team of an international IT Consulting Company.
Technology Stack:
- JavaScript (ES6, CoffeeScript);
- UI-Heavy-Frameworks (React, Backbone);
- Component-Based;
- Build-Tools (Webpack, npm, Gulp, Browserify);
- Working with RESTful APIs;
- Design and Develop powerful and performant REST web services using Ruby on Rails;
- Architect and implement mission-critical publication systems;
- Design and develop asynchronous workers to process time-consuming tasks;
- Professional experience with React, Ruby 2, Rails 4 and Postgres or other RDBMS;
- Experience with unit testing (whether TDD, BDD, or spike it first and test it later) and a desire to push everyone to do better;
- Experience with ElasticSearch, Redis, Docker - huge pluses.
Responsibilities:
- Known methods for latency improvement and performance optimization.
- Implement object oriented design and best practices including code to test (unit).
- Agile principles including focus on demo working code, work breakdown structures, continuous integration, kanban boards.
- Ability to go from wire-frame or whiteboard to integrate, code, and iteration.
- Can quickly determine LOE (Levels of Effort) on proposed architecture and solution concepts.
- Available to accommodate US Pacific time standards and schedules.
- Development of the project and database architecture.
- Direct reporting to the CTO.
- Be a part of hiring process of the future team members.
- Business trips.
- Fluent English.
Інформація про компанію Brainberry Group
Переваги співробітникам
- Gaming room
- Team buildings
- Без бюрократії
- Кава, фрукти, перекуси
- Оплачувана відпустка
- Регулярний перегляд зарплатні
- Ruby
- Ruby on Rails
- CI/CD
- RabbitMQ
- PostgreSQl
- Redis
- Elasticsearch
- API
- CQRS
- GraphQL
- RSpec
Our development team works on a large-scale project – improvement of a commercial ERP system for working on projects. The system has a lot of modules and 30 000 users from all over the world, mainly designers, architects, real estate developers, and 3D artists. We are looking for a remote Middle/Middle+ Ruby on Rails Developer who would help us refine the interface of this innovative system.
To take part in the project, you need:
- 1+ years of commercial and dream experience in software development;
- Strong OOP/OOD and algorithmic skills, Design Patterns;
- Understanding of CI/CD processes and experience of work with RabbitMQ message broker will be a plus;
- The skills of preparing relational databases to load using PostgreSQL, and the skill of using non-relational databases (Redis, Elasticsearch);
- Experience of API Development;
- Understanding of DDD, CQRS, GraphQL are desirable;
- The habit of conducting tests and regarding them as an integral part of the development process (RSpec);
- English level sufficient for reading technical documentation.
Інформація про компанію ArchiDevs
Переваги співробітникам
- Paid overtime
- Гнучкий графік роботи
- Компенсація навчання
- Регулярний перегляд зарплатні
- Ruby
- Ruby on Rails
- API
- HTTP
- React.js
- TypeScript
We are looking for a developer for a portfolio of products that we are developing.
One such product is a central service to verify transfer recipient banking information. It allows you to avoid falsification of money transactions between sender and recipient.
Required skills:
- Good understanding of RoR framework;
- Experience in Ruby for 1 + years;
- Experience with implementing HTTP API servers;
- The initiative, result-driven and self-motivated;
- Team player;
- Well-developed oral and written communication skills;
- Upper-intermediate level of English.
As a plus:
- Experience with React;
- Experience with Typescript.
Інформація про компанію Cybercraft
Переваги співробітникам
- English Courses
- Бухгалтерський супровід
- Гнучкий графік роботи
- Медичне страхування
- Оплачувані державні свята
- Оплачувані лікарняні
- Ruby
- Ruby on Rails
- React.js
- API
- Python
- JavaScript
- Django
- С/С++
- Golang
- Node.js
- Cloud technologies
- AWS
- GCP
- Microsoft Azure
- Kubernetes
We are looking for experienced, passionate engineers to build rich web applications and APIs to give clients easy, intuitive, and fine-grained access to all of client’s products and services.
Our client is on a quest to build the industry’s most flexible and scalable data marketplace where we ingest, analyze, enrich and transform tens of petabytes of data and then activate that data on customers’ platform to enable people based marketing.
Responsibility:
- Define and implement programmatic access (public and internal facing) to products that serve some of the largest platforms in the world in a secure and privacy compliant way. You would love working on this if you like creating easy to use, but rich and flexible APIs at scale using the latest technology and tools.
- Enhance core toolkit to enable easy implementation of discoverable services and APIs. You would love working on this if building toolkits and libraries that other developers love to use is your thing.
- Own a new product from inception to deploy. Define the domain, from the schema and infrastructure to the complete user interface.
- Work on challenging projects such as building out a more scalable infrastructure for apps and APIs on Kubernetes and GCP.
Required skills:
- Have 3+ years of experience writing and deploying production code;
- Have experience working with Ruby on Rails and React.js;
- Strong ability to abstract complex problems to their essential components and design and implement elegant solutions for them;
- Experience with designing and implementing interfaces and infrastructure for large volume services and APIs;
- Proficient in one or more of Python, JavaScript, Django, C/C++, Go, Node.js and modern Javascript frameworks;
- You are comfortable using a cloud computing platform e.g. AWS, GCP or Azure;
- Strong verbal communication skills;
- English at a working professional level, both written and spoken.
Інформація про компанію Datamart
- Ruby
- Ruby on Rails
- Rest API
- PostgreSQl
- MySQL
- AWS
- RSpec
- Unit Tests
Sloboda Studio team continues to grow. This time, we are looking for a Senior Ruby on Rails Developer!
Requirements:
- Experience with Ruby and RoR (4+ years).
- Experience building REST API services using Ruby on Rails.
- Familiarity with PostgreSQL/MySQL.
- Experience with cloud (AWS is preferred).
- Unit testing/TDD (RSpec).
- Written and spoken English (Intermediate+).
Responsibilities:
- Write a reliable code.
- Make quick and informed decisions.
- Plan and decompose tasks.
Інформація про компанію Sloboda studio
Переваги співробітникам
- English Courses
- Team buildings
- Work-life balance
- Гнучкий графік роботи
- Оплачувані лікарняні
- Регулярний перегляд зарплатні
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