{"id":143417,"url":"https://alion.io/job/openproject-org-senior-ruby-on-rails-developer","title":"Senior Ruby on Rails Developer","company":{"id":52444,"name":"OpenProject.org","domain":"openproject.org","url":"https://alion.io/company/openproject-org","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_company_offices","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["DE"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":81000,"max_usd":208000,"period":"year","method":"global_role_seniority_cell","sample_n":7767},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-02-05T16:38:26Z","employer_posted_date":"2026-02-05","last_verified_at":"2026-10-28T02:31:44Z","board_verified":true,"closed_at":null,"days_open":264,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":264},"description":"About\nWe’re an Equal Opportunity employer. All decisions, such as hiring, promotion, etc. are made without bias. We welcome everyone, regardless of race, gender, background, or identity. Feel free to share your pronouns in your application (e.g. she/her, he/him, they/them).The salary range shown refers to employment in Germany and is adjusted to local market conditions for other locations. Where exactly someone falls within the range is determined during the hiring process based on our compensation framework to ensure that comparable roles and experience levels are compensated comparably.\nAt OpenProject we are building the leading open source project management software. To enable our further growth, we are searching for excellent full-stack developers who are passionate about open source software and remote team collaboration to join our existing team of 30+ developers.\nYour mission\nJoin our existing team of experienced and passionate senior developers anddevelop frontend and backend features and improvements to OpenProject in a secure, well-tested, and performant way.\nCraft code that meets our internal standards for style, maintainability, and best practices for a high-scale web environment. Maintain and advocate for these standards through code review.\nAdvocate for improvements to product quality, security, and performance.\nFix prioritized bugs listed in our bug backlog.\n Solve challenging technical problems of high complexity.\nRecognize impediments to our efficiency as a team (\"technical debt\"), propose and implement solutions.\nWhat you'll bring\nYou have several years of prior experience building frontend and backend elements of web applications with Ruby on Rails.\nAdditionally, you have a solid understanding of core web and browser concepts (e.g. how JavaScript does handle asynchronous code), \nCSS and semantic HTML,\ncore JavaScript concepts,\nRuby-on-Rails and\nTurbo+Stimulus, Angular, React, or any other modern front-end framework.\n\nYou have working knowledge of when and how to make your code scale effectively.\nYou are comfortable with working in a highly agile, intensely iterative software development process.\nYou have experience in owning a project from concept to production, including proposal, discussion, and execution.\nYou have effective communication skills to achieve consensus with peers, and provide clear status updates in a remote setting.\nYou are passionate about open source software development.\nOur “OPENP” core company values resonate strongly with you (O = Open for new stuff, P = Pragmatic (not dogmatic), E = Engaged for clients and colleagues, N = Neigung (passion) about OpenProject, P = Proactive and accountable).\nYou are proficient in the English language (both written and verbal), for success in a remote and asynchronous work environment. German language skills are a plus.\nWhat awaits you\nThe best of both worlds: the creative challenges and learning opportunities of a start-up combined with the financial stability of a “grown-up” company in a team of dedicated professionals.\nThe flexibility to decide from where you would like to work: remotely in a location within 2 hours (time-zone) from Germany.\n Contributing to an open source project with high visibility and transparency within the developer world (our software code is freely available on Github).\nYou will work with a team of experienced software engineers in continuous delivery and integration processes who love to learn from each other.\nOnce a year, we dedicate our \" Passion Time \" off-site to work on any improvements of our choice with a business impact (e.g. product improvements, marketing concepts,...) in multi-disciplinary teams.\nEmployee benefits such as job bikes and paid child care.\nYou will be in touch with exciting clients and users from all around the globe, including NGOs and other open source projects which we love to support in fulfilling their mission (such as Greenpeace, Engineers without Frontiers), corporates like Siemens, Deutsche Bahn or Audi and public institutions like German Federal Ministries.\nFind out more on\n...our company and product: openproject.org\n...our code: github.com/opf/openproject\n...our employee and candidate satisfaction: https://www.kununu.com/de/openproject or https://tinyurl.com/glassdooropenproject\nStill have some questions before applying? 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