Empregos de ruby backend engineer remote scale em lisboa

WELCOME TO OLX We're building marketplace sustainable ecosystems that millions of people depend on every month – to buy and sell cars, find homes, land jobs, and trade secondhand goods. It's commerce that matters: safe , smart , and environmentally responsible . We do this with courage to innovate, commitment to outcomes, collaboration across 50+...

WeTravel is seeking an Engineering Manager for the Payments team to lead critical projects across collection, disbursement, FX, reconciliation, and a new card issuing stack.You will guide discovery with Product and PayOps, design with PSPs, and drive build, rollout, and incident response in a globally distributed environment.You will own the reliability of...

Catawiki is seeking an experienced software engineer to help develop and scale our microservices platform in Lisbon, Portugal.You will design, implement and deploy backend services with a focus on high availability, low latency, and data-driven improvements.You will collaborate with a cross-functional team, mentor junior engineers, and contribute to RFC...

FCamara is seeking a Mid Backend Engineer to design and evolve scalable backend systems within a modern .NET ecosystem.You will work on customer-centric platforms involving onboarding workflows, orchestration, and integrations across microservices-based architectures.Remote work is fully supported for teams located in Portugal or the UK, with the opportunity...

ApplyStrong programming skills in Java, Kotlin or other object-oriented languages;Strong understanding of Microservice architecture and distributed systems;Experience in developing, deploying and monitoring applications in the Cloud (GCP, AWS, etc.);Experience with Docker and or Kubernetes (nice to have);Experience with CItools - Jenkins (nice to...

payabl.empowers businesses to grow through payments innovation and banking services.Our ambition is to expand our strong portfolio of global financial services and make them all accessible through our unified platform, payabl.One.As a licensed financial company with principal membership with card schemes, we specialize in global payments and multi‐currency...

Lever, Inc. is seeking a Senior Backend Engineer – Data Core to design, build and operate the data infrastructure powering a creator analytics platform in a remote-first setup in Europe.You will own end-to-end backend systems handling hundreds of millions of creator profiles, integrating with social platforms, third-party APIs, and proxy networks while...

Grupo DATA procura um desenvolvedor Java com 3+ anos de experiência para atuar em um ambiente 100% remoto, com foco em Spring Boot e IA para otimizar código e reduzir dívida técnica.Desenvolverá e manterá APIs e microserviços, contribuindo para pipelines CI/CD e melhores práticas de DevOps, com conhecimento de ferramentas de qualidade...

Codacy is seeking an Intermediate Backend Software Engineer to work on our core cloud engine and CLI/IDE tools. This remote, async-friendly role emphasizes thoughtful design, code reviews, and collaborative problem solving across product squads.You will design, develop, and optimize backend services in Scala, with occasional contributions to TypeScript and...

A leading streaming technology company in Portugal is seeking a Senior Backend Developer to join their innovative team. This role focuses on developing quality microservices and API solutions that impact millions of viewers globally. The ideal candidate will possess strong skills in Java, Kotlin, or C# along with experience in containerization technologies...

Proxify is looking for a Senior Ruby on Rails Developer in Portugal to lead the development of responsive web applications. With a focus on software craftsmanship, you'll optimize architectures and integrate modern technologies. Candidates should have over 5 years experience in Ruby and Rails, a deep understanding of architectural patterns, and the ability...

FRANK in Lisbon seeks an experienced Backend Engineer to design, develop, test, deploy, and maintain high-performance services and APIs powering our platform.You will own data structures and databases, ensuring speed and reliability as we grow, while collaborating with product, design, and engineering to ship key features. A 6+ year track record and...

Truv is seeking a skilled backend developer with strong Python knowledge to join their remote team in Portugal. Responsibilities include reverse engineering and building integrations with external APIs, optimizing code performance, and maintaining tests. Candidates should have 5+ years of experience in backend development and a solid understanding of...

A tech recruiting company is seeking a Senior Python AI Engineer to design and develop backend systems for AI-powered applications. The ideal candidate has over 5 years of experience in Python and deep learning frameworks. Responsibilities include building LLM-based workflows, collaborating with cross-functional teams, and ensuring high performance of AI...

At TMC, we are looking for a Senior Java Developer to join an international project focused on building robust, scalable backend systems. This role is ideal for an experienced backend engineer who thrives in distributed environments and actively contributes to technical decisions. Key responsibilities include designing and developing backend services and...

Your missionAs anIntermediate Backend Software Engineer, you will work across our portfolio of products, including our core cloud engine processing tens of thousands of commits every day and our command-line and IDE tools.We work remotely, asynchronously whenever possible, and value written communication, thoughtful design discussions, and collaborative code...

Intermedia is seeking a Senior Software Engineer Backend to design and build scalable backend services and APIs powering analytics, dashboards, and visualizations. You will transform complex product and customer data into reliable, performant information to help users understand trends and opportunities. You will collaborate with frontend, AI/ML, data,...

About the TeamLaunched in ****, Constructor is an AI‐first e‐commerce search and discovery platform that helps shoppers find the right products at the right time and enables leading global e‐commerce brands to drive meaningful revenue and conversion gains.ResponsibilitiesBuild, deploy, and support robust high‐load machine learning‐based real‐time...

An innovative firm is seeking a Senior Software Engineer with Android development expertise to join a dynamic team. This role offers the chance to work on exciting projects, focusing primarily on backend development while occasionally tackling front-end challenges. You'll collaborate closely with talented engineers and contribute to the entire software...

Intermedia Intelligent Communications is seeking a Software Engineer Backend to design and build scalable backend services and APIs. You will collaborate with frontend, AI/ML, product, UX, and platform teams to deliver robust agent-driven capabilities from concept to production. You will implement configuration management, orchestration, integrations,...