13 melhores vagas de frontend developer para 1990 lisboa (Contratando agora!)

Backend Engineer —Lisbon, Portugal
Baasi —Lisboa
Candidatura rápida
Fullstack React / .NET
knowmad mood —Lisboa
- Teletrabalho
Há 6 dias
Back-End Developer
LEADERSHIP BUSINESS CONSULTING —Lisboa
- Graduação
Test Automation Engineer
Capgemini Sogeti —Lisboa
- Modelo Híbrido
Full Stack Engineer
Axians | Digital Solutions - Tech Talent —1990 Lisboa
Há 6 dias
Backend Developer (all genders)
Diconium Group GmbH —Lisboa
- Período Integral
Senior Backend Engineer (Go)
Block Labs —Lisboa
- Período Integral
- Teletrabalho
Senior Fullstack Engineer - ComparaJá
ComparaJá —Lisboa
- Modelo Híbrido
Candidatura rápida
4 h
Test Automation Engineer
Capgemini —Lisboa
- Modelo Híbrido
QA Automation Engineer
Bridge 351 —1950 Lisboa
- Modelo Híbrido
Engineering Manager
Thought Machine —Lisboa
- Período Integral
Software Engineer (all genders)
Diconium Group GmbH —Lisboa
- Período Integral
5 h
Senior Backend Engineer - ComparaJá
ComparaJá —Lisboa
- Modelo Híbrido
Candidatura rápida
4 h

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Backend Engineer —Lisbon, Portugal

Baasi
Lisboa

Candidatura rápida

Detalhes da oferta

Descrição completa da oferta

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 existing codebase. You'll build the proxy backend that interacts with our custom inference runtime and extend dashboards.

This role requires strong backend engineering skills, the ability to integrate existing systems, and comfort working closely with C++/CUDA engineers building low-level runtime features.

Responsibilities

Proxy Backend for Inference Runtime

Build and maintain a Node.js-based proxy backend that:
- Accepts inference requests from the frontend.
- Schedules and serializes prompts.
- Manages QKV cache load/unload.
- Provides APIs to manage LoRA adapters.
Integrate with authentication, RBAC, and logging already provided by the existing stack.
Expose metrics and logs for monitoring inference usage and performance.

Dashboards

Extend the existing Dashboard with Dataset upload, training job view, model management, inference usage, request history, and adapter selection.
Reuse auth, billing, and user management code (Auth0, Stripe).
Add necessary backend endpoints to support new UI flows.

Core Stack & Infrastructure

Develop using NestJS as the main backend framework.
Work with PostgreSQL, Redis, and HashiCorp Vault for persistence, caching, and secrets.
Use Socket.IO for real-time updates (job status, inference progress).
Ensure secure integration with Stripe (billing) and Auth0 (identity).
Collaborate with DevOps on deployment pipelines (Proxmox, Docker, CI/CD).

Requirements

Strong experience with Node.js and NestJS framework.
Proficiency in PostgreSQL and Redis for persistence and caching.
Hands-on experience with Socket.IO or other WebSocket libraries.
Experience with secure configuration and secrets management (HashiCorp Vault preferred).
Comfortable working with microservices and integrating with existing codebases.
Strong debugging and systems thinking — able to reason about scheduling, state management, and concurrency.
Familiarity with LangChain for building AI-powered features and workflows.

Nice to Have

Experience integrating with AI runtimes (gRPC/REST backends for inference).
Experience with RAG and MCP.
Experience with authentication/authorization frameworks (Auth0, JWT, RBAC).
Familiarity with Stripe API or similar billing systems.
Contributions to backend open-source projects.
Experience with WebRTC.

Why Join

Extend a proven SaaS foundation into a new AI runtime platform.
Competitive compensation, equity potential.

Candidatura rápida

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frontend developer vagas para: 1990 lisboa

Backend Engineer —Lisbon, Portugal

Fullstack React / .NET

Back-End Developer

Test Automation Engineer

Full Stack Engineer

Backend Developer (all genders)

Senior Backend Engineer (Go)

Senior Fullstack Engineer - ComparaJá

Test Automation Engineer

QA Automation Engineer

Engineering Manager

Software Engineer (all genders)

Senior Backend Engineer - ComparaJá