{"id":1270728,"url":"https://alion.io/job/magmalabs-senior-software-engineer-ruby-on-rails","title":"Senior Software Engineer (Ruby on Rails)","company":{"id":2206163,"name":"MagmaLabs","domain":"magmalabs.io","url":"https://alion.io/company/magmalabs-io","size_band":null,"is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-30T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Hotwire","optional":false},{"name":"JavaScript","optional":false},{"name":"Kanban","optional":false},{"name":"Kubernetes","optional":false},{"name":"Minitest","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Redis","optional":false},{"name":"RSpec","optional":false},{"name":"Ruby on Rails","optional":false},{"name":"Scrum","optional":false},{"name":"Sidekiq","optional":false},{"name":"Stimulus","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"GCP","optional":true},{"name":"GraphQL","optional":true},{"name":"React.js","optional":true},{"name":"Ruby","optional":true},{"name":"Vue.js","optional":true}],"status":"live","first_seen_at":"2026-03-03T00:00:00Z","employer_posted_date":"2026-03-03","last_verified_at":"2026-09-30T20:04:27Z","board_verified":true,"closed_at":null,"days_open":212,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":211},"description":"Senior Software Engineer (Ruby on Rails)\nImportant:This role is open only to residents in Mexico. Applications from other regions will not be considered.\nJoin MagmaLabs, a leading provider of expert software engineers, dedicated to helping companies achieve their goals across diverse and impactful industries. We are actively seeking a seasoned Senior Software Engineer (Ruby on Rails)to join our fully remote team. In this pivotal role, you'll apply your passion for building scalable, high-performance applications to solve complex challenges for our clients in healthtech, e-commerce, fintech, and various other sectors powered by Ruby on Rails. You'll play a key role in designing, developing, and maintaining robust backend systems, directly contributing to our clients' success and driving innovation within our projects.\nAbout the Role\nAre you a seasoned Senior Software Engineer (Ruby on Rails)passionate about building scalable, high-performance applications? Join our fully remote team and play a pivotal role in designing, developing, and maintaining robust backend systems.\nYou'll be instrumental in shaping the future of our core products, making key architectural decisions that directly enhance user experience and business growth. Your contributions will drive best practices, ensuring the reliability and scalability of our SaaS platforms, e-commerce systems, and high-traffic APIs.\nIf you thrive on solving challenging problems with Ruby on Rails and modern web technologies, we want to hear from you!\nResponsibilities\nLead the architectural design, development, and continuous evolution of scalable Ruby on Rails backend applications, ensuring long-term maintainability and performance.\nOptimize database performance (primarily PostgreSQL) \nDesign, implement, monitor, and optimize integrations with third-party APIs and services.\nEnsure code quality and reliability through automated testing (RSpec, Minitest)..\nParticipate in code reviews, ensure high-quality standards, and actively mentor team members through knowledge sharing initiatives.\nCollaborate cross-functionally with product managers, designers, and other engineers to deliver end-to-end solutions and solve complex interdisciplinary problems\nContribute to infrastructure, deployment processes (Docker, Kubernetes, CI/CD), and performance optimization.\nMaintain comprehensive technical documentation and foster knowledge sharing within the team.\nMentor and guide more junior engineers, fostering a culture of knowledge sharing and technical excellence within the team.\nCollaborate closely with product managers and other stakeholders to translate business requirements into technical solutions, addressing complex challenges across product lines.\nRequirements\nMinimum of 7 years of software development experience, with at least 5 years focused extensively on Ruby on Rails.\nStrong proficiency with PostgreSQL, including schema design and query optimization.\nSolid understanding of frontend technologies (HTML, CSS, JavaScript) and third party integrations experience.\nExperience with background job processing systems (e.g., Sidekiq, Redis).\nProficiency with version control systems (Git) and secure coding practices.\nStrong problem-solving skills and the ability to thrive in a remote, collaborative environment.\nExcellent communication skills in English.\nDemonstrated ability to take initiative and drive projects to completion independently.\nProven ability to collaborate effectively across time zones and with diverse team members in a remote-first environment.\nExperience working within Agile development methodologies (Scrum, Kanban, etc.).\nFamiliarity with modern Rails ecosystem tools (Hotwire, Turbo, Stimulus) is a plus.\nBonus points if you have\nExperience with GraphQL and advanced API design.\nFamiliarity with microservices architecture or refactoring monolithic applications.\nKnowledge of Docker, Kubernetes, or cloud platforms (AWS, GCP, Azure).\nExposure to frontend frameworks like React.js or Vue.js.\nUnderstanding of DevOps practices and CI/CD pipelines.\nAbout Us\nWe are a team of innovative software professionals dedicated to delivering high-quality solutions across diverse industries. With a proven track record of success, we prioritize excellence, creativity, and the growth of our team members. We are committed to continuous learning and professional development, offering opportunities for mentorship, skill expansion, and career progression within a supportive environment. Join us to work on impactful projects and advance your career as a Senior Ruby on Rails Engineer.","description_format":"text","description_chars":4583,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Continuous learning","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-09-25T23:59:51Z"}],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.188,"p_room":0.28,"age_days":211,"expected_fill_days":23,"reasons":["conf:9","win:tail","crowd:"],"computed_at":"2026-09-30T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/magmalabs-senior-software-engineer-ruby-on-rails","json_url":"https://alion.io/job/magmalabs-senior-software-engineer-ruby-on-rails.json","meta":{"generated_at":"2026-10-01T03:53:28Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":3271,"day_limit":5000,"remaining_today":1729,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}