Senior/Middle Ruby on Rails Developer

18 hours ago

Serbia Alex Staff Agency Full time €25,000 - €40,000 per year

About the company and the project:

A leading U.S.-based edtech company is looking for a Middle Ruby on Rails Developer to join their fully remote team.

Their platform helps educational institutions manage and distribute digital learning materials — from e-textbooks to interactive courseware. The company is known for its advanced e-reader, AI-powered study tools, and seamless integrations with major learning management systems. Their solutions are used by thousands of schools and universities, helping students save over $160 million on textbooks and other materials.

The team has a strong engineering culture and very low turnover — many developers have been with the company for years. You'll be joining a stable, collaborative, and impact-driven environment where your work will directly support modern education.

Your tasks on the position:

  • Participation in all aspects of the application development life cycle, including specifications, prototypes, development, quality assurance, deployment and operations
  • Development and modification of internal and external software as part of a team of engineers
  • Checking work in practice and using automated tests
  • Supporting the day-to-day work of the team, troubleshooting and resolving issues as they arise
Requirements
  • 3+ years of experience with Ruby on Rails
  • 3+ years of application and API development experience
  • Experience with MySQL or other relational databases
  • Experience with Git or other source code control systems
  • Working hours: 12:00–20:00 (GMT+2, Kyiv time)
  • B2B cooperation is mandatory
  • Ukrainian/Russian C1+
  • English B2+

Will be an advantage:

  • Knowledge of modern web development technologies: PHP, JavaScript, web services (REST), MySQL
Benefits
  • The company guarantees decent pay $ gross
  • 100% remote work format
  • Stable work in an American company (the company has existed since the early 2000s)
  • Opportunity for self-development: various technologies and tools, corporate subscription to Udemy training platform
  • Friendly and supportive team
  • Paid holiday and sick leave

  • Ruby on Rails developer

    18 hours ago

    Belgrade, Grad Beograd City, , Serbia Silver Bell Group Full time 40,000 - 100,000 per year

    Who Are We Looking For? An experienced Ruby on Rails engineer who will collaborate with our team to plan, develop, deploy, maintain, and document various software solutions. Our team consists of around 13 engineers, with Ruby on Rails as our core technology and PostgreSQL as our database of choice. We follow the DDD methodology and maintain a strong focus on...

  • Backend Developer

    18 hours ago

    Serbia Xometry Europe Full time €40,000 - €80,000 per year

    Xometry (NASDAQ: XMTR) powers the industries of today and tomorrow by connecting the people with big ideas to the manufacturers who can bring them to life. Xometry's digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing...

  • Senior Backend Engineer

    18 hours ago

    Serbia Ruby Labs Full time €40,000 - €80,000 per year

    About usRuby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our...

  • Mid-Level Data Analyst

    18 hours ago

    Serbia Ruby Labs Full time €30,000 - €60,000 per year

    About usRuby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our...

  • Senior .NET Developer

    18 hours ago

    Serbia First Circle Full time €30,000 - €60,000 per year

    First Circle is the fastest growing fintech in the Philippines - we are evolving from a single-product company providing credit to SMEs, to a multi-product company providing Neobanking solutions, and we are hiring a Senior .NET developer to lead the building of one of our key products, Cards, that is crucial to our SME customers.What's different about...

  • Lead Developer

    1 week ago

    Serbia Ruby Labs Full time €80,000 - €120,000 per year

    About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our...

  • Middle/Senior .Net Developer with Azure

    2 weeks ago

    Serbia Akvelon Full time €25,000 - €50,000 per year

    We are looking for a proactive candidate for a client project — Middle/Senior .NET Developer (Serbia, Poland). The ideal candidate is a skilled engineer who not only writes high-quality code but also takes initiative, suggests improvements, and communicates effectively with both the team and the clientTasksDevelop and maintain solutions using C#/.NET;Work...

  • Project Manager

    18 hours ago

    Serbia Ruby Labs Full time €30,000 - €60,000 per year

    About usRuby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our...

  • Senior Go Developer

    18 hours ago

    Belgrade, , Serbia Wallarm Full time €40,000 - €80,000 per year

    Job description Short facts about us:We are a global remote-first team of 150+ people on 4 continents and in 10+ countries.We have been protecting our clients since 2016.The company has recently closed its Series C round in the amount of $55 million.More than 200 customers around the world, including Fortune 500, Nasdaq, and high-growth startups choose...

  • 2D Graphic and Motion Designer

    1 week ago

    Serbia Ruby Labs Full time €25,000 - €50,000 per year

    About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our...