Senior Backend Developer

hace 3 días

Buenos Aires, Argentina Workana A tiempo completo

About the Role We are looking for a Senior Ruby on Rails Developer (Backend Focus) to join a talented international team and contribute to the development of a scalable platform that connects families with educational providers. This is a direct hire opportunity with the client’s payroll, offering long-term stability and professional growth. Responsibilities Design, develop, and maintain scalable backend solutions with Ruby on Rails. Solve complex technical challenges related to performance, concurrency, and distributed architecture. Lead technical initiatives and mentor other team members. Collaborate with cross-functional teams (Product, Frontend, DevOps) in an Agile environment. Participate in architectural decisions and support the migration of infrastructure to AWS. Contribute to improving scalability, reliability, and performance of the platform. Requirements Proven experience with Ruby on Rails in main projects in recent years (not only side projects). Strong track record building and scaling large, complex products (high concurrency, millions of users, critical integrations). Expertise in performance optimization, architecture design, and scalability. Experience leading projects or technical teams in e-commerce, marketplaces, or large-scale digital platforms. General frontend knowledge (React, HTML, CSS, JavaScript) is a plus. Advanced English (C1 or higher, mandatory): you will work closely with international stakeholders. Current residence in Argentina (mandatory). Tech Stack Languages: Ruby, JavaScript, HTML, CSS Frameworks: Ruby on Rails, React (in some areas of the project) Database: PostgreSQL Infrastructure: Active migration to AWS Methodology: Agile Benefits Competitive compensation: USD 5,000 – 6,000 / month (on client’s payroll) 100% remote work, with occasional visits to the client’s office in Argentina Direct and stable employment with the client Opportunity to work with international stakeholders and high-level engineering teams Involvement in complex projects with continuous learning opportunities Selection Process Interview with Workana Interview with People (Client) Technical interview with the Team Lead (based in Silicon Valley) Two final interviews with the client (one technical, one cultural) Apply now and join a global team building impactful platforms. Location : Argentina (mandatory) Modality : Full-time, direct hire on the client’s payroll Company : Software company based in Pilar, Buenos Aires, providing services to global clients Industry : Edtech / Marketplace for educational activities #J-18808-Ljbffr

  • Senior Backend Developer

    hace 2 semanas

    Buenos Aires, Argentina COUL Argentina A tiempo completo

    **RAZOR **es una empresa dedicada a brindar servicios de software en Argentina y el exterior y nos confía la búsqueda de un **Senior Backend Developer **para un cliente de EEUU. Se requiere dominio excluyente de **Ruby on Rails **o análogos, **framework backend **(ej. PHP, JavaScript,.NET) y experiência de al menos 4 años en manejo de **bases de datos...

  • Senior Backend Developer

    hace 1 día

    Buenos Aires, Argentina CONEXIONHR A tiempo completo

    Somos una empresa de electromovilidad impulsada por su gente y tecnología, que integra todo el ecosistema de movilidad limpia para México y América Latina. Nuestra misión es acelerar la adopción de soluciones de movilidad limpia, mejorando la calidad de vida urbana, preservando el medio ambiente y generando empleo sostenible de alto impacto.Buscamos un...

  • Senior Backend Developer

    hace 2 semanas

    Buenos Aires, Argentina Lil Horse A tiempo completo

    We are a strong team of dynamic developers, designers, and marketers passionate about creating and supporting businesses across all sectors to make them future‑ready so they can impact society long term. Our approach combines modern design, marketing strategy, visualization tools, and business advisory, positioning our clients in a class of sustainable,...

  • Senior Java Backend Developer

    hace 4 días

    Buenos Aires, Argentina Datalogics A tiempo completo

    **Senior Java Backend Developer** - Salary: up to 5000 USD per month - Fully remote - Full-time Position - COE Contract We are looking for an experienced **Senior Java Backend Developer **for one of our US-based clients, a dynamic start-up dedicated to developing cutting-edge solutions for high-profile clients, including Fortune 100 companies. Seeking team...

  • Senior Backend Developer

    hace 8 horas

    Buenos Aires, Argentina Pay Retailers A tiempo completo

    Indefinite - Full time - C1426, Buenos Aires, Buenos Aires, Argentina - IT En PayRetailers proporcionamos nuevas formas de aceptar pagos en América Latina, permitiendo todos los métodos de pago locales relevantes en una sola plataforma, facilitando la entrada de negocios internacionales a nível B2B. Actualmente nuestro equipo de tecnología está...

  • Senior Backend Developer

    hace 2 días

    Av. de Julio, Cdad. Autónoma de Buenos Aires, Argentina Lil Horse Lab A tiempo completo

    Company Description We are a strong team of dynamic developers, designers, and marketers passionate about creating and supporting businesses across all sectors to make them future-ready so they can impact society long term. Our approach combines modern design, marketing strategy, visualization tools, and business advisory, positioning our clients in a class...

  • Senior Go Backend Engineer

    hace 3 semanas

    Buenos Aires, Argentina Patagonian A tiempo completo

    A leading fintech company based in Buenos Aires is seeking a highly skilled Senior Backend/Golang Developer to enhance its backend infrastructure. The role involves developing and maintaining backend APIs, ensuring security and reliability in processes handling financial transactions, and integrating third-party APIs. Ideal candidates will have significant...

  • Senior Backend Engineer

    hace 6 días

    Buenos Aires, Argentina Atomic HR A tiempo completo

    A U.S.-based SaaS company is seeking a senior backend developer to enhance its platform that streamlines real estate inspections. The ideal candidate will have over 8 years of backend development experience with strong skills in API development and relational databases. This remote-first role offers a monthly pay in USD, flexible PTO, and a supportive team...

  • Senior Backend Developer

    hace 1 semana

    Buenos Aires, Argentina Virtualmind A tiempo completo

    **#LI-Remote**: We are **Virtualmind**, an awesome team of engineers who are ready to ramp up any top-notch company's projects! Our aim? To always be one step ahead. We are looking for an awesome** Senior Backend Developer** to build high-quality software by delivering feature sets! **Do you have what it takes?** - Be able to design and communicate...

  • Ingeniero Backend Senior

    hace 3 semanas

    Buenos Aires, Argentina Cfotech It Global Services A tiempo completo

    Una empresa de tecnología e innovación en Buenos Aires está buscando un Senior Backend Developer para colaborar en el desarrollo de productos digitales. El rol implica la implementación de estándares, la gestión de backlogs y la mejora continua de la calidad y rendimiento del producto. Se requiere trabajo en equipo y enfoque en soluciones...