Empregos de ruby backend engineer remote scale em lisboa

Stratio Automotive is seeking a Backend Software Engineer to build and scale the vehicle information platform, delivering reliable REST/JSON APIs using .NET Core while ensuring performance and cost-effectiveness. You will join a software team working across cross-functional, self-organized squads in an agile environment.The role requires a strong C#...

Lever, Inc. is seeking a Backend Engineer to join a fully remote team based in Portugal. You will build and operate the backend that powers high-volume email delivery, including SMTP, MTA operations, routing, retries, throttling, and delivery controls. The role emphasizes reliability, observability, and ownership of critical infrastructure. You will work...

AEM Backend Developer - Senior na Jobgether procura profissional com experiência em Java e AEM para fortalecer soluções de WCM em clientes globais. O foco é desenhar, desenvolver e otimizar componentes AEM, integrar serviços REST e colaborar com frontend para transformar digitalmente aplicações empresariais. Oferta de trabalho remoto dentro de...

Software Engineer to design and maintain backend systems and build robust APIs for business needs, focusing on efficiency.

IntellectEU is seeking an experienced Lead Software Engineer to lead the Back-End team of CatalyX. You will drive the technical delivery, mentor a distributed group of engineers, and contribute hands-on across the SDLC. Required: Java excellence, strong distributed systems knowledge, Kubernetes, and DevOps practices.Nice to have Canton/Daml, cloud...

Backend Engineer role focused on building and optimizing high-load, real-time machine learning systems for e-commerce search and discovery.Responsibilities include developing ranking functionalities and platforms, optimizing performance, and collaborating with stakeholders.

Seeking a Machine Learning Engineer to develop and optimize ML algorithms for ranking and search systems on a Portuguese technology platform.Requires Python, ML, and big data expertise.

Seeking a Remote Machine Learning Engineer to improve ranking and search systems for a Portuguese tech platform.Responsibilities include developing ML algorithms and collaborating with teams.Requires Python and big data experience.

Salve.Inno Consulting is seeking an experienced Senior Backend Engineer specialising in Ruby on Rails to join its R&D and Engineering team. In this hands-on role you will design, develop and scale core backend applications for AI-powered products, collaborating with CTO, Tech Lead and SRE.You will own complex backend features end-to-end, contribute to...

About the RoleWe are looking for an experiencedSenior Backend Engineer specialising in Ruby on Railsto join the R&D and Engineering team of a fast-growing AI technology company serving millions of users worldwide. In this hands-on individual contributor role, you will be responsible for designing, developing and scaling core backend applications that support...

Seeking a Senior Backend Engineer with Elixir/Phoenix and Postgres experience to build tools, APIs, and integrations for a global employment platform.Responsibilities include leading projects, providing technical expertise, mentoring engineers, and improving platform workflows.

About the Role We are looking for an experienced Senior Backend Engineer specialising in Ruby on Rails to join the R&D and Engineering team of a fast-growing AI technology company serving millions of users worldwide. In this hands-on individual contributor role, you will be responsible for designing, developing and scaling core backend applications that...

Seeking a senior Elixir Backend Engineer for a remote, high-impact role.Responsibilities include leading projects, offering technical guidance, and ensuring code quality for HR/payroll products.Requires strong fundamentals, Postgres, and CI/CD experience.

Seeking an Applied AI Engineer for a knowledge management platform, focusing on building production-grade AI features with a backend emphasis.Requires TypeScript and REST API experience.

Leads a team of engineers in developing AI-driven healthcare infrastructure, establishing technical vision, mentoring staff, and driving software lifecycles for real-time clinical care.

Seeking a Senior Backend Developer with .NET Core, C#, and cloud expertise to design and maintain backend services for data-driven applications in a remote role.

Experienced Senior Backend Developer needed for a Portuguese digital tech hub to design and maintain backend services for data-driven applications, using .NET Core and C# with cloud services.Role involves cross-functional team collaboration and code quality focus.

What if the only thing standing between a donor's funding and the success of adolescent girls was a smarter way to verify impact? We're buildingImara Impact, a new line of business at Tiko designed to revolutionise outcomes‐based financing. We need a Java Engineer to build the engine that turns data from the field into the confidence donors need to change...

Loka Inc. is seeking a Junior Backend Engineer to join our fully remote, globally distributed team. You'll work with experienced engineers on real client projects, building fast, reliable backend services using Python or Node.js and growing your skills under mentorship. You'll participate in design discussions, learn about scalable architectures, and...

payabl. is seeking a Senior Python Backend Developer to join our engineering team. You will design, build, and evolve a high-performance service layer with microservices, while converting legacy systems to modern Python services. The role is remote from Portugal or Ukraine, with reporting to the Engineering Lead. You will own services end-to-end, implement...