Jobs Ruby

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

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

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

Requirements:

• 3+ years of experience with Ruby on Rails;

• Experience with TypeScript for Frontend and Backend;

• Express Next or Angular;

• Knowledge of OOP, AWS, Git, ability to work with SSH connections, understanding of Docker or Vagrant concept;

• Upper-Intermediate level of English;

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

Responsibilities:

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

What the company offers:

• Constant and interesting work with foreign clients;

• Flexible working hours;

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

• Medical insurance policy;

• 50% cost compensation of sports and English lessons.

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.

About the client:

Our client is transforming the world of alternative investments, making them accessible to a broader range of investors. Traditionally, private funds and other alternative assets have been available only to institutional players due to their complexity and regulatory barriers. They change that by providing a cutting-edge platform that simplifies access, management, and distribution of these investment opportunities.

Role Overview

We’re on the lookout for a Senior Ruby on Rails Engineer to help shape the future of alternative investing. You’ll be part of a team making it easier for wealth advisors and high-net-worth clients to access alternative assets, and for fund managers to connect with fresh capital opportunities.

Role Responsibilities

• Design, implement, and maintain scalable backend applications and APIs
• Participate in defining system architecture, ensuring scalability, security, and maintainability.
• Design RESTful APIs, and where applicable, GraphQL endpoints for frontend and mobile clients.
• Implement data migrations, indexing, caching (Redis/Memcached), and background job processing (Sidekiq/Resque).
• Maintain high standards of test coverage using RSpec, Minitest, or Capybara.

Role Requirements

• 5+ years of hands-on Ruby on Rails experience in production environments.
• Experience with Docker and containerized environments.
• PostgreSQL (strong SQL optimization skills)
• Experience deploying to AWS (ECS/EC2/Elastic Beanstalk), Heroku, or GCP.
• Strong communication skills: English B2+

Interview Process

1. Intro Call with Recruiter (45 min)
2. Technical Interview (up to 60 min)
3. Client Interview (up to 90 min)

What sets us apart?
Here are just a few reasons why this position is a standout opportunity:

🚀 Opportunity for Growth: As part of our dynamic and fast-growing team, you’ll have the chance to make a real impact and grow your career in exciting new directions.

🌍 Remote Mode: You can have a fully comfortable mode, just stick to deadlines and attend team meetings. 

🕰️ Flexible Schedule: Our cooperation will not have an impact on the work-life balance — this is the most important thing for us. In INSART we are committed to making cooperation enjoyable and comfortable first.

💡 Innovation: We’re constantly pushing the boundaries of what’s possible, so you’ll have the chance to join cutting-edge projects and technologies.

👩‍💻 Diversity and Inclusion: We believe that diversity and inclusion are essential to building a strong and successful team. We welcome people of all backgrounds and experiences to join us.

👥 Collaborative Environment: You’ll stay closely with our talented developers to ensure that our products and features are thoroughly tested and of the highest quality.

📚 Free Learning: We believe in continuous learning and development, so we provide free access to a variety of online learning resources to help you stay up-to-date with the latest technologies and industry trends.

Looking forward to having a mutually interesting conversation with you! 😉

What We’re Looking For

We are looking for a Back-End Developer to join our R&D group. In this role, you will be responsible for building robust features and optimizing performance, ensuring that our paid users enjoy a seamless, reliable, and high-quality experience as they access exclusive content, advanced tools, and insights tailored to their needs. You will work closely with other developers, product managers and data teams to contribute to the ongoing development of our product, enhancing the value it delivers to our subscribers.

This role is 100% remote, offering flexibility to work from home.

What You'll Do

• Develop API for modern cross-platform responsible SPA from the ground up.
• Participate in design and planning discussions, contribute architecture ideas.
• Develop and test new user-facing features.
• Write highly scalable, reusable and testable code.
• Optimize application for maximum speed and performance.
• Collaborate with other team members.

Requirements

• Experience in OOP and MVC design and development patterns. Good understanding of data structures and design patterns.
• 4+ years of back-end development experience in building large, complex, highly scalable web applications using Ruby on Rails framework.
• Solid understanding of Ruby syntax, its nuances and core concepts. Ability to write clean and readable code.
• Familiarity with concepts of RESTful.
• Experience building API’s, including authentication, cleanliness, and role-based access permissions.
• Experience with SQL or NoSQL database technologies (e.g. MySQL, ElasticSearch, CouchBase, Redis, etc.).
• Comfortable with source version control software (Git).
• Knowledge and understanding of server-side architecture best practices.
• Deep understanding of the HTTP protocol and networking.
• Knowledge or experience with Cloud computing technologies and environments (Amazon Web Services).

Join a Company That Invests in You

Seeking Alpha is the world’s leading community of engaged investors. We’re the go-to destination for investors looking for actionable stock market opinions, real-time market analysis, and unique financial insights. At the same time, we’re also dedicated to creating a workplace where our team thrives. We’re passionate about fostering a flexible, balanced environment with remote work options and an array of perks that make a real difference.

Here, your growth matters. We prioritize your development through ongoing learning and career advancement opportunities, helping you reach new milestones. Join Seeking Alpha to be part of a company that values your unique journey, supports your success, and champions both your personal well-being and professional goals.

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)

🚀 Ruby on Rails Engineer (Remote, EU-based)

🌎 Remote | ⚙️ Full-Time | 🧩 Complex Architecture | 🎥 Real-Time Features
 

About the Role
 

We’re looking for a Senior Ruby on Rails Engineer to join a distributed product team building scalable, real-world applications used by thousands of users.

This is a backend-heavy Rails role with ownership, impact, and space to make technical decisions. You’ll work closely with product, design, and other engineers in an async-friendly, respectful environment.

If you enjoy clean Ruby, strong data models, background processing, and real production challenges, this role is for you.

What You’ll Do

• Build and maintain Ruby on Rails applications in production
• Design and optimize PostgreSQL schemas, queries, and indexes
• Develop reliable background jobs using Sidekiq & Redis
• Work with AWS S3 (ActiveStorage, direct uploads, streaming, multipart uploads)
• Design and test REST APIs (RSpec, request specs)
• Integrate with Stripe (payments, webhooks) and Twilio (messaging)
• Collaborate in code reviews and contribute to architectural decisions
• Take ownership of features from design to production

What We’re Looking For

Must-have

• 4+ years of professional Ruby on Rails experience
• Strong Ruby fundamentals
• Deep experience with ActiveRecord & PostgreSQL
• Experience with Sidekiq / Redis and resilient job design
• Solid knowledge of AWS S3 (ActiveStorage + aws-sdk-s3)
• API design & testing experience (RSpec)
• Clear communicator with a strong ownership mindset

Nice-to-have

• ActiveAdmin or similar admin frameworks
• Video/media processing (FFmpeg)
• ActionCable / WebSockets
• CDN & caching strategies
• Experience in healthcare, HIPAA, PII/PHI handling
• Experience with Heygen or similar media APIs

Why Join Us

• Fully remote — work from anywhere in the EU;
• Long-term product work (not short-term gigs);
• Strong engineering culture: clean code, ownership, trust;
• International team with experience working with Ukrainian engineers;
• Flexible contract or employment model;
• Competitive compensation based on experience.
  
  We Offer
• Opportunities to work on diverse and challenging projects;
• Flexible working conditions;
• A supportive and collaborative team environment.
• 12 vacation days per year;
• 5 sick days per year;
• English classes.
• Access to psychologist support for mental well-being.

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 | 💰 $400–500

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:
• $400–500 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 🚀

🔥 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 📩

Шукаємо Middle Ruby-інженера з досвідом роботи від 3 років і розмовним рівнем англійської для проєкту, пов’язаного з аналітикою даних для e-commerce у країнах Азії.

Про проєкт: 
Платформа business-intelligence для e-commerce в Південно-Східній Азії, яка дозволяє брендам та рітейлерам аналізувати ринки, конкурентів і тренди, використовуючи дані з маркетплейсів. 

Платформа дає змогу відстежувати асортимент, динаміку цін та акцій, SEO-ефективність, рейтинг і відгуки, аналізувати категорії та позиціонування брендів, а також автоматизувати моніторинг конкурентів через real-time price-tracking і ML-движки.

Вимоги:

• 3+ роки комерційного досвіду з екосистемою Ruby;
• Володіння PostgreSQL;
• Досвід роботи з Redis;
• Знання Elasticsearch;
• Глибоке розуміння HTTP;
• Практичний досвід роботи з Sidekiq або подібними системами бекграунд-процесингу;
• Досвід написання тестів за допомогою RSpec (або інших аналогічних фреймворків);
• Базові знання ReactJS, HTML і CSS будуть плюсом;
• Знання англійської на рівні intermediate+ (комунікація в команді українською і англійською. Англійська має бути розмовна, бо є дзвінки з англомовними командами).

Що пропонуємо:

• Забезпечуємо всім необхідним для роботи;
• Оплачувані лікарняні та відпустки;
• Робота віддалена на повний робочий день.

Процес найму:

• Проводимо дві співбесіди;
• Можемо дати тестове завдання;
• Співбесіда проходить обов'язково з включеною камерою, українською і частково англійською мовами.

Про нас
STUDINFO — онлайн-платформа, що полегшує процес вступу до українських університетів. Ми надаємо абітурієнтам персоналізовані рекомендації, актуальні дані та інструменти для вибору навчальних закладів. Фокус — інтуїтивний інтерфейс, точність даних та інтерактивність платформи.

Кого шукаємо
Шукаємо Junior Back-End Web Developer з основним стеком Ruby / Ruby on Rails та базовим розумінням Front-End. Нам важлива мотивація до розвитку, здатність працювати самостійно й у команді, а також участь у технічних обговореннях.

Обовʼязки

• Розробка нових функцій і підтримка існуючого функціоналу платформи STUDINFO.
• Робота з Back-End на Ruby on Rails.
• Інтеграція з Front-End (Next.js).
• Взаємодія з UX/UI дизайнерами для створення зручного інтерфейсу.
• Написання та підтримка тестів, контроль якості коду.
• Оптимізація продуктивності та покращення безпеки платформи.

Вимоги

• Мотивація вчитися та розвиватися.
• Хороші базові знання Ruby.
• Розуміння JavaScript, HTML, CSS на базовому рівні.
• Впевнене користування Git (робота з гілками).
• Вміння працювати автономно.

Буде плюсом

• Досвід роботи з React.
• Досвід із фоновими задачами (Sidekiq / Active Job).

Що пропонуємо

• 400-500$
• Віддалена робота
• Гнучкий графік (головне — бути на звʼязку).
• Команда, де цінуються ініціатива та здорові технічні ідеї.
• Можливість реального впливу на продукт.

Якщо хочеш долучитися до STUDINFO — надсилай резюме та посилання на проєкти, в яких брав(ла) участь.