{"schemaVersion":"jobsearcher.job.v1","id":"dbdf20608e75f2b0a3e87823","url":"https://jobsearcher.com/jobs/dbdf20608e75f2b0a3e87823","canonicalUrl":"https://jobsearcher.com/jobs/dbdf20608e75f2b0a3e87823","title":"Lead Backend Engineer (Ruby On Rails) - Fully Remote","description":"Backend Lead EngineerJoin a profitable, fast-moving mobile apps startup as a Backend Lead, where you'll own the core backend behind social and dating products used by hundreds of thousands of users. You'll lead a senior team of 4–5 backend engineers, reporting directly to the CEO, and be responsible for turning product and business goals into clear technical roadmaps, sprint plans, and high-quality execution. Your work will be a mix of hands-on leadership and coding in a fully remote, international environment.On the technical side, you'll take charge of a high-traffic Ruby on Rails platform and power ongoing feature development while modernizing the architecture. You'll lead key initiatives such as upgrading Rails versions, improving performance and reliability, introducing better caching and data flows, and supporting real-time features at scale on AWS. You'll be the one making and documenting critical technical decisions, ensuring smooth deployments and stable APIs, and stepping in when needed to debug complex production issues, all with the goal of turning a good backend into a high-output, well-organized machine.This is a fully remote B2B contract opportunity with a base salary that goes up to $120,000 USD per year.Your tasks will include:Lead and mentor a team of mid/senior backend engineers (4–5), including 1:1s, feedback, and performance managementTranslate product and business goals into clear technical roadmaps, sprint plans, and backend prioritiesOwn the backend architecture and technical vision for mobile-first, consumer-facing apps used by tens of thousands of daily active usersDrive and oversee implementation of new features for our mobile apps, working closely with iOS/Android, Product, Data, DevOps and Trust & Safety teamsTake key architectural decisions around scalability, performance, reliability, data flows, and infrastructure on AWSModernize and improve a large, Ruby on Rails codebase (including version upgrades and refactoring legacy areas) while keeping systems stable in productionIdentify and resolve performance bottlenecks, improve API speed and reliability, and design effective caching and database strategiesEstablish and continuously improve engineering processes, coding standards, code review practices, and deployment/CI pipelinesCreate and maintain clear technical documentation and design specs for backend systems and major initiativesHandle prioritization and trade-offs in a fast-moving environment with changing quarterly prioritiesBe hands-on with coding and code reviews, especially for complex or high-impact areas, and step in during critical production incidentsTo be a good fit for the Lead Backend Engineer role:8+ years of professional backend development experience in production environments and most recent experience in leading a backend teamsProven experience owning backend architecture for a mobile-first, consumer-facing appStrong hands-on expertise with Ruby On RailsExperience building and scaling high-traffic systems (Over 10k+ daily active users) with a focus on performance and reliabilitySolid understanding of distributed systems, relational databases, caching, and performance optimizationPractical experience working in the cloud (preferably AWS) and collaborating closely with DevOps / infrastructure engineersExcellent communication skills with the ability to explain complex technical topics and trade-offs to non-technical stakeholders (e.g. CEO, Product)Background in a startup or fast-moving product companies, comfortable with changing priorities and making pragmatic trade-offsStrong product mindset, user-focused, impact-driven, and able to connect technical decisions to business outcomesComfortable taking ownership, making decisions, and leading in a fully remote, distributed team environmentOur client offers:Fully remote role with flexible working hours (core collaboration typically in European daytime)30k USD bonuses (seasonal + EOY, dependant on individual and company performance)Work on high-impact, high-scale mobile products (millions of downloads) in a profitable, growing startupStrong engineering culture: open-minded, low-ego, direct communication, and high ownershipAccess to company-provided AI tools (e.g. ChatGPT, Claude, Cursor company accounts) to boost your productivity27 days of paid vacation (15 days of personal leave + 12 days of public holidays following your local country calendar)Company paid team trips, 1–2 times per year to attractive locations (e.g. Thailand, Bali) including flights and accommodationOpportunity to shape technical direction, processes, and standards for the entire backend functionSounds interesting? Send us your CV by applying to this page.","company":"Sowelo Consulting","rawCompany":"sowelo consulting","isRemote":true,"isActive":false,"createdAt":"2026-07-19T00:29:07.792Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Lead Backend Engineer (Ruby On Rails) - Fully Remote","description":"Backend Lead EngineerJoin a profitable, fast-moving mobile apps startup as a Backend Lead, where you'll own the core backend behind social and dating products used by hundreds of thousands of users. You'll lead a senior team of 4–5 backend engineers, reporting directly to the CEO, and be responsible for turning product and business goals into clear technical roadmaps, sprint plans, and high-quality execution. Your work will be a mix of hands-on leadership and coding in a fully remote, international environment.On the technical side, you'll take charge of a high-traffic Ruby on Rails platform and power ongoing feature development while modernizing the architecture. You'll lead key initiatives such as upgrading Rails versions, improving performance and reliability, introducing better caching and data flows, and supporting real-time features at scale on AWS. You'll be the one making and documenting critical technical decisions, ensuring smooth deployments and stable APIs, and stepping in when needed to debug complex production issues, all with the goal of turning a good backend into a high-output, well-organized machine.This is a fully remote B2B contract opportunity with a base salary that goes up to $120,000 USD per year.Your tasks will include:Lead and mentor a team of mid/senior backend engineers (4–5), including 1:1s, feedback, and performance managementTranslate product and business goals into clear technical roadmaps, sprint plans, and backend prioritiesOwn the backend architecture and technical vision for mobile-first, consumer-facing apps used by tens of thousands of daily active usersDrive and oversee implementation of new features for our mobile apps, working closely with iOS/Android, Product, Data, DevOps and Trust & Safety teamsTake key architectural decisions around scalability, performance, reliability, data flows, and infrastructure on AWSModernize and improve a large, Ruby on Rails codebase (including version upgrades and refactoring legacy areas) while keeping systems stable in productionIdentify and resolve performance bottlenecks, improve API speed and reliability, and design effective caching and database strategiesEstablish and continuously improve engineering processes, coding standards, code review practices, and deployment/CI pipelinesCreate and maintain clear technical documentation and design specs for backend systems and major initiativesHandle prioritization and trade-offs in a fast-moving environment with changing quarterly prioritiesBe hands-on with coding and code reviews, especially for complex or high-impact areas, and step in during critical production incidentsTo be a good fit for the Lead Backend Engineer role:8+ years of professional backend development experience in production environments and most recent experience in leading a backend teamsProven experience owning backend architecture for a mobile-first, consumer-facing appStrong hands-on expertise with Ruby On RailsExperience building and scaling high-traffic systems (Over 10k+ daily active users) with a focus on performance and reliabilitySolid understanding of distributed systems, relational databases, caching, and performance optimizationPractical experience working in the cloud (preferably AWS) and collaborating closely with DevOps / infrastructure engineersExcellent communication skills with the ability to explain complex technical topics and trade-offs to non-technical stakeholders (e.g. CEO, Product)Background in a startup or fast-moving product companies, comfortable with changing priorities and making pragmatic trade-offsStrong product mindset, user-focused, impact-driven, and able to connect technical decisions to business outcomesComfortable taking ownership, making decisions, and leading in a fully remote, distributed team environmentOur client offers:Fully remote role with flexible working hours (core collaboration typically in European daytime)30k USD bonuses (seasonal + EOY, dependant on individual and company performance)Work on high-impact, high-scale mobile products (millions of downloads) in a profitable, growing startupStrong engineering culture: open-minded, low-ego, direct communication, and high ownershipAccess to company-provided AI tools (e.g. ChatGPT, Claude, Cursor company accounts) to boost your productivity27 days of paid vacation (15 days of personal leave + 12 days of public holidays following your local country calendar)Company paid team trips, 1–2 times per year to attractive locations (e.g. Thailand, Bali) including flights and accommodationOpportunity to shape technical direction, processes, and standards for the entire backend functionSounds interesting? Send us your CV by applying to this page.","datePosted":"2026-07-19T00:29:07.792Z","dateModified":"2026-07-19T00:29:07.792Z","hiringOrganization":{"@type":"Organization","name":"Sowelo Consulting","sameAs":"https://jobsearcher.com"},"jobLocationType":"TELECOMMUTE","applicantLocationRequirements":{"@type":"Country","name":"US"},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"dbdf20608e75f2b0a3e87823"},"url":"https://jobsearcher.com/jobs/dbdf20608e75f2b0a3e87823"}}