Senior Ruby on Rails Developer

3 hours ago

Bucharest, Bucureşti, Romania LXT Full time €60,000 - €80,000 per year

We are hiring a
Senior Ruby on Rails Developer
who will play a key role in developing and extending our crowdsourcing platform. You will be responsible for optimizing backend components, implementing best practices, and collaborating closely with a distributed team. You should have strong experience in Ruby on Rails development, test-driven development (TDD), and working with messaging systems like RabbitMQ.

Responsibilities:

  • Develop and enhance our crowdsourcing platform using
    Rails 6.x and 7.x
  • Apply
    test-driven development (TDD)
    best practices to ensure high-quality and maintainable code
  • Optimize, refactor, and develop backend components while researching and implementing best practices
  • Deliver across the full development stack, focusing on backend development while maintaining an understanding of frontend technologies
  • Work with
    RabbitMQ
    and other messaging systems to implement event-driven architecture
  • Collaborate closely with a
    remote team based in Germany and Ukraine

Qualifications:

  • 5+ years
    of software development experience, with at least
    3 years
    focused on Rails
  • Strong experience with
    MySQL or other relational databases
  • Deep understanding of
    RSpec
    , including
    FactoryBot
    and TDD methodologies
  • Hands-on experience with
    RabbitMQ
    and event-driven architecture
  • Proficiency in
    Unix/Linux environments
  • Familiarity with
    Agile methodologies (Scrum, Kanban)
  • Experience working in
    startup environments
    and scaling applications
  • Hands-on experience with
    frontend development
    is a plus
  • Knowledge of
    HAProxy, Monit, and infrastructure monitoring tools
  • Experience with
    Docker
    and containerized deployments
  • Ability to create and maintain
    AWS Lambda functions
  • Familiarity with
    AWS Rekognition
    or other AWS AI/ML services
  • Strong problem-solving mindset and ability to work independently
  • Team-oriented, collaborative, and excellent communication skills
  • Passion for clean, maintainable code and following best practices
  • Excellent English communication skills, both written and verbal
  • Technical Stack
  • Backend:
    Ruby, Rails (6.x & 7.x)
  • Frontend:
    JavaScript, Bootstrap
  • Databases:
    MySQL, MongoDB
  • Infrastructure & DevOps:
    AWS (including serverless), RabbitMQ, Capistrano, HAProxy, Monit, Docker
  • Messaging & Queues:
    RabbitMQ, experience with message-based architecture
  • Testing:
    RSpec, Capybara (FactoryBot & TDD tools)

Additional information:

LXT is an equal opportunity employer and ensures that no applicant is subject to less favorable treatment on the grounds of gender, gender identity, marital status, race, color, nationality, ethnicity, age, sexual orientation, socio-economic, responsibilities for dependents, or physical or mental disability. Any hiring decision is made on the basis of skills, qualifications, and experiences.

We measure our success as a business, not only by delivering great products and services and continually increasing our assets under administration and market share but also by how we positively impact people, society, and the planet.

  • Ruby On Rails Fullstack Developer

    1 week ago

    Bucharest, Bucureşti, Romania ARNIA Full time 104,000 - 130,878 per year

    Job OverviewWe are seeking a Senior Ruby on Rails Fullstack Developer to take ownership of a mission-critical platform used across the organization.The role focuses on modernizing the system, driving new feature development, ensuring stability, and embedding best practices for long-term maintainability. This is a senior position that requires strong...

  • Senior Ruby on Rails Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania Sowelo Consulting Full time $80,000 - $120,000 per year

    Key ResponsibilitiesLead Development: Build scalable, high-quality web applications using Ruby on Rails. Collaborate: Work with cross-functional teams to design and develop new features for web and mobile platforms. Frontend Optimization: Maintain and optimize the frontend with JavaScript frameworks like Turbo and/or Stimulus. Integration Management:...

  • Senior Ruby on Rails Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania Sowelo Consulting sp. z o.o. sp. k. Full time $90,000 - $120,000 per year

    Join our team as a Senior Full Stack Engineer, where you'll play a key role in developing, maintaining, and optimizing applications. Collaborate with product managers, designers, and fellow engineers to enhance features, create new ones, and ensure a scalable and secure architecture. Key ResponsibilitiesLead Development: Build scalable, high-quality web...

  • Ruby on Rails Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania Sowelo Consulting sp. z o.o. sp. k. Full time $80,000 - $120,000 per year

    Join our team as a Full Stack Engineer, where you'll play a key role in developing, maintaining, and optimizing applications. Collaborate with product managers, designers, and fellow engineers to enhance features, create new ones, and ensure a scalable and secure architecture. Key ResponsibilitiesLead Development: Build scalable, high-quality web...

  • Ruby Developer

    6 days ago

    Bucharest, Bucureşti, Romania RED Global Full time 104,000 - 130,878 per year

    Our client is seeking a Ruby developer to join their team for a freelance B2B contract that is expected to last 6 months, with potential for additional extensions. This position would require 3 days a week on-site in Bucharest and 2 days remote for the duration.Project details:Position: Ruby DeveloperContract type: Contract B2BContract Length: 6 Month...

  • System Development Engineer

    1 week ago

    Bucharest, Bucureşti, Romania Amazon Full time 70,000 - 120,000 per year

    DESCRIPTIONThe Compliance Shared Services (CoSS) organization's mission is to build shared services for managing regulations. The SPIDER (Streamlining Planning, Deployment and Post-Release) team within CoSS is responsible for the technical infrastructure and tools to proactively identify and resolve issues impacting Selling Partners. SPIDER is seeking a...

  • System Development Engineer

    7 days ago

    Bucharest, Bucureşti, Romania myGwork - LGBTQ+ Business Community Full time €70,000 - €120,000 per year

    This job is with Amazon, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.DescriptionThe Compliance Shared Services (CoSS) organization's mission is to build shared services for managing regulations. The SPIDER (Streamlining Planning, Deployment and...

  • Junior Software Engineer, API Clients

    2 days ago

    Bucharest, Bucureşti, Romania Algolia Full time €40,000 - €60,000 per year

    Algolia was built to help users deliver an intuitive search-as-you-type experience on their websites and mobile apps. We provide a search API used by thousands of customers in more than 100 countries. Billions of search queries are answered every month thanks to the code we push into production every day. The Team The API Clients team builds and maintains...

  • Road/Rail Freight Forwarder

    2 weeks ago

    Bucharest, Bucureşti, Romania Deutsche Bahn Full time 25,000 - 40,000 per year

    We are recruiting for a Road/Rail Freight Forwarder to join our growing teamResponsible for the correct and timely: processing of quotations, order processing and implementation of transport according to customer requirements, entering calculations, issuing invoices, processing invoices.Your tasks:Performs order receipt and clarification of customer...

  • Software Developer C

    2 weeks ago

    Bucharest, Bucureşti, Romania Hitachi Full time €80,000 - €120,000 per year

    About UsA career at Hitachi Rail will help create a legacy. With operations in every corner of the world, our work goes to the cutting-edge of digital transformation and technology. From the multi-cultural strength of our global organisation to the sustainable and innovative ways we work to bring people together, there's something for everyone to get stuck...