Jobs

We are inviting you, a highly motivated and results-oriented Ruby Engineer to join our team for ensuring solutions, as well as strengthening the product.
Our team has unique expertise in research, analysis, and product development. By relying on technical insights and a data-driven approach, we create disruptive future-defining innovations of the fin-tech industry that remain our basis for success.

Responsibilities

• Developing new features mostly for the backend part
• Integrations with payment systems, developing anti-money laundering module
• Development of AI tool for Customer Support, evolve Customer Acquisition flow
• Development of API for integration with trading platform
• Optimization, and improvement of the product
• Taking part in technical architecture and design
• Performing code review, production support
• Participating in Scrum and OKR retrospectives and planning to provide feedback and synchronize on new development within the team

• Writing unit/integration tests and docs for implemented functionality

   

Requirements

• 4+ years of Ruby development experience
• Strong knowledge of design patterns, basic algorithms, and data structures
• Experience with design scalable web applications
• Experience with Ruby on Rails 6+
• Expertise in working with databases (MySQL, Postgres, Redis)

• Skills in writing unit/integration tests

   

Will be a plus

• Experience in fintech
• Experience with service architecture and RabbitMQ
• Experience with GraphQL
• Experience with HTML/CSS, JavaScript

• Experience in integration with third party payment providers

   

We offer

• Tax expenses coverage for private entrepreneurs in Ukraine
• Expert support and guidance for Ukrainian private entrepreneurs
• 20 paid vacation days per year
• 10 paid sick leave days per year
• Public holidays as per the company’s approved Public holiday list
• Medical insurance
• Opportunity to work remotely
• Professional education budget
• Language learning budget
• Wellness budget (gym membership, sports gear and related expenses)

Hi to everyone reading this!

We’re currently looking for a Middle Ruby Developer to join our team in a full-time collaboration format.

About us:
Mind Studios specializes in mobile and web app development, helping businesses unlock their potential and turn ideas into profitable products.
Our key domains include: Real Estate, Logistics, Healthcare, Fitness, and Mental Health.

Our achievements:
— 12 years in the IT market;
— Offices in Dnipro, Kyiv, and Vienna;
— Over 90 professionals on our team.

What we offer:
— Work in a professional team building innovative products;
— Support for your growth: regular performance reviews, assessments & personal development plans;
— Education budget tailored to your skills and experience;
— Flexibility: work remotely or from one of our offices;
— Paid vacations and sick leaves;
— Transparency: monthly company updates.

In this role, you will:
— Design, development and further support of web-applications created with Ruby and using the Rails framework;
— Testing applications using unit-tests and integration testing, according to company standards and best practices;
— Development and support of high-load systems architecture;
— Analysis of the code and architecture of applications in order to identify and eliminate technical problems, including reviewing and providing high-quality feedback on code and architectural solutions created by other developers;
— Work according to Gitflow adopted by the company, using Git and Gitlab to control and manage source code;
— Development of documentation for web application APIs.

What is important to join us:
— 3+ years of experience with Ruby;
— Strong knowledge and practice:
— Experience with Postman, Swagger or other tools for API documentation;
— Ruby on Rails, Network Protocols;
— REST API, Popular Gems (Sidekiq, Rpush, CarrierWave, RABL etc.) , PostgreSQL;
— HTML/CSS (HAML/SASS), Javascript, GIT, Linux;
— Basic knowledge of AWS
— English Intermediate is required.

It’s great if you additionally have:
— Docker, NoSQL (Redis), Payment Gateways (Stripe, Paypal);
— Design application architecture;
— Excellent debugging and troubleshooting skills.

What makes us different from others?
We are focused on results, not on processes, although we make sure there is no mess.
You are going to have a solid influence on the product and its future strategy.
We build products for users, not for clients, and sometimes it is OK to say a reasoned “No” to the customer.

• Company: Presidio(https://presidiodev.com/)
• Location: Office/ Remote/ Flexible
• Employment type: Full-time

About Us

At Presidio, we build modern, scalable, and reliable digital solutions for global clients. Our team values technical excellence, clean code, and continuous improvement, while maintaining a collaborative and supportive work culture.

We are currently looking for an experienced Backend Engineer (Middle or Senior) who is passionate about building robust backend systems and thrives in an environment where innovation and problem-solving are highly encouraged.

Responsibilities

• Design, develop, and maintain backend services and APIs.
• Work with Node.js and Ruby on Rails in production-grade systems.
• Collaborate with frontend developers, DevOps, and product managers to deliver high-quality solutions.
• Optimize application performance, scalability, and security.
• Write clean, maintainable, and well-documented code.
• Participate in code reviews and knowledge sharing within the team.

Requirements

• 5+ years of professional backend development experience.
• Strong knowledge of Node.js and Ruby on Rails.
• Experience with REST APIs, GraphQL, and microservices architecture.
• Solid understanding of relational databases (PostgreSQL, MySQL) and ORMs.
• Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes).
• Good knowledge of testing frameworks (RSpec, Jest, etc.).
• Strong problem-solving skills and attention to detail.
• Intermediate or higher level of English (for communication with international team).

Nice to Have

• Shopify API, Shopify Apps development.
• Experience working with AI models.
• Experience with CI/CD pipelines.
• Knowledge of caching strategies (Redis, Memcached).
• Contributions to open-source projects.

What We Offer

• Competitive salary based on experience and skills.
• Remote-first work culture with flexible hours.
• Opportunity to work on international projects with modern tech stack.
• Supportive team, mentorship, and room for professional growth.
• Paid vacation, sick leave, and official holidays.