backend engineer nodejs

Elasticsearch B.V. is seeking a Senior Software Engineer to drive backend design for the Streams data pipeline and Logstash. The role focuses on building scalable services, contributing to OpenTelemetry, and supporting enterprise customers in a distributed, remote-first environment. You will work with Java, Golang and Ruby across Logstash plugins and core...

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...

LastPass is seeking a Senior Backend Engineer (.NET) to evolve the commerce and payment platforms powering subscriptions. You will design scalable .NET services and REST APIs, implement payment gateway integrations, and work with a cross-functional team to deliver reliable services. You will mentor engineers, advocate for solid architecture, and help shape...

Newfire Global Partners is seeking a Senior Backend Engineer to join our Engineering team in Portugal. You will design and deliver .NET backend services on Azure, integrate ERP and internal applications with external vendors, and own complex data flows across an Azure-based estate. You will work closely with cross-functional teams, participate in hiring,...

AgileEngine, LLC. in Coimbra, Portugal is seeking a Python Backend Developer to build and extend the backend of an internal developer portal and dashboard, leveraging AI coding tools to accelerate daily work. You will design robust Python backends with FastAPI/Django/Flask, integrate Snowflake and SQL/NoSQL databases, and collaborate across teams to...

InnoWave in Lisbon is seeking an AI Engineer with a strong backend focus to join our dynamic, agile team. You will design, develop and maintain scalable backend services and cloud-based solutions, translating business needs into robust software. You'll work with relational and non-relational databases, implement CI/CD pipelines, and collaborate across...

A Balanças Marques, com mais de 50 anos de experiência, desenvolve equipamentos com software integrado e procura um Developer Backend. Reportará ao Gestor de Projeto e integrará uma equipa global para definir arquitetura e evoluir o código. Vais colaborar com frontend, trabalhar com tecnologias como AWS Cloud e Docker, em ambiente ágil, com...

Elastic, the Search AI Company, is seeking a backend-focused engineer to join the Observability Streams program. You will help build high-performing ingestion pipelines for telemetry data and develop scalable backend solutions across cloud providers, ensuring reliable data routing to Kibana and other destinations. You will own projects end-to-end, mentor...

Vigil365 Limited is seeking a Ruby engineer to join our cross-functional squad responsible for high-scale, customer-facing services. You will contribute to new features, evolve architecture, and ensure operational reliability in a cloud-based environment. The role values collaboration, autonomy, experimentation, and shared ownership, shaping technical...

A strategic consultancy firm in Lisbon is looking for a backend developer with extensive experience in web solutions. You will be responsible for developing secure and scalable APIs, collaborating with frontend teams, and ensuring compliance with security requirements. Candidates should have significant experience with .NET Core, Docker, and databases like...

About the team The AI/ML Engineering team builds and operates ClickHouse's AI and machine learning products end-to-end. This includes the Agentic Data Stack, AI Functions, chDB, the in-Console copilot, and the AI/ML partnerships that distribute them — together with the shared components and expertise that let every other ClickHouse team ship AI in the...

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,...

Role highlights: Role: Forward Deployed Backend/DevOps Engineer Location: Portugal (Lisbon) Reports to : VP, Forward Deployed Engineering Working type: Hybrid (On-site at customer locations approx. 50% of time) Must be eligible and able to attain relevant national and NATO security clearances. Must be based in country and native level speaker of the...

Ebury in Porto is seeking a Senior Software Engineer (Money Flows) to own development of our multi-currency account systems, incoming funds, and outgoing payment processes. You will join a global team across Europe and South America and shape the next level of our high-volume transactional platform. We value craftsmanship over specific languages and expect...

EPAM Systems, Inc. in Portugal offers a backend engineer role focused on A2A integration. You will build the Agent Gateway for an Enterprise Agent Development Platform, enabling scalable agent-to-agent interactions and cloud-native orchestration. Expect emphasis on async patterns, JSON-RPC, REST, and observability across distributed services. You will...

InnoWave is seeking a Junior Backend Developer based in Lisbon to join a dynamic engineering team. You will develop, test, and maintain software components under guidance from senior engineers, writing clean code and contributing to new features in alignment with technical specs. The role emphasizes collaboration with cross-functional teams, exposure to...

A DataSmart, localizada em Lisboa, procura um(a) Java Backend Developer para projetar e desenvolver aplicações Java de alta qualidade. O candidato ideal deve ter mais de 5 anos de experiência em Java, além de sólido conhecimento em tecnologias de banco de dados e arquitetura de microserviços. Esta posição híbrida oferece a oportunidade de...

A DataSmart, localizada em Lisboa, procura um(a) Java Backend Developer para projetar e desenvolver aplicações Java de alta qualidade. O candidato ideal deve ter mais de 5 anos de experiência em Java, além de sólido conhecimento em tecnologias de banco de dados e arquitetura de microserviços. Esta posição híbrida oferece a oportunidade de...

Backend Engineer (Node.js/NestJS) —Porto, Portugal - full time Ref # 3725674 About Us We are a stealth-mode startup building a new AI platform. Our mission is to make advanced language models deployable, customizable, and secure across diverse environments. Role We are seeking a Backend Engineer (Node.js/NestJS) to extend our platform using our...

Backend Engineer (Node.js/NestJS) —Lisbon, Portugal - full time Ref # 3725669 About Us We are a stealth-mode startup building a new AI platform. Our mission is to make advanced language models deployable, customizable, and secure across diverse environments. Role We are seeking a Backend Engineer (Node.js/NestJS) to extend our platform using our...