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Backend Developer
Backend developer at IT consultancy Aubay Portugal, building and evolving critical backend systems for large banking, insurance, telecom and energy clients. Day-to-day work centers on Kotlin/Java with Spring Boot, PostgreSQL, and messaging (RabbitMQ/Kafka) in microservices architectures, with potential AI agent development using ADK/Vertex AI.
Golang Backend Developer
Noesis is hiring a Golang Backend Developer in Portugal to develop and maintain backend services in a cloud-first AWS environment, covering code, infrastructure-as-code, automated tests, and CI/CD pipelines through production. Core stack: Go, AWS, Docker, PostgreSQL/Redis/DynamoDB, and event-driven tools like Kafka or SQS.
Golang Backend Developer
Builds and maintains backend services in Golang within a cloud-first AWS environment at Noesis, implementing infrastructure-as-code, automated tests, and CI/CD pipelines through production. Works in squads on code reviews, documentation, and system improvement, using PostgreSQL/Redis/DynamoDB and Kafka/SQS. Hybrid work in Portugal.
Python Developer
Builds and maintains trading and risk management software for a large US bank project — writing scalable Python code, FastAPI web APIs, processing large datasets, and integrating third-party services, plus unit/integration testing, code review, and production support. Core stack: Python, FastAPI, MongoDB, SQL Server/Redis, Git.
Full Stack Developer
We are seeking a skilled Full Stack Developer with strong expertise in Node.js to join our remote team. In this role, you will be responsible for building and scaling web applications, taking ownership of features from…
Software Engineer Specialist - Data And Ai
Builds full-stack applications and platform services for Sanofi's OneMesh data & AI platform — internal developer tools, data platform UIs, and GenAI-powered apps — using React, TypeScript, Node.js, and Python/FastAPI, deployed on OpenShift/Kubernetes and AWS with Terraform and GitOps.
Software Engineer
Backend-leaning full-stack engineer at a profitable AI travel startup building a platform to discover and book luxury hotels, villas, yachts and private flights. Day to day: Python/FastAPI supplier integrations, PostgreSQL data architecture, Redis/GCP infrastructure, LLM-powered search and recommendations, plus some React/TypeScript.
Full Stack Developer Angular Java (She/He/They) Barcelona, Madrid, Zaragoza
NTT DATA seeks a full stack developer with 5+ years of experience to build and maintain web applications using Angular v16 on the frontend and Java on the backend, in agile, cloud-native teams. Hybrid role (2 office days/week) based in Barcelona, Madrid or Zaragoza, with a strong focus on generative AI tooling such as Spring AI, Claude and RAG.
Azure Backend Engineer – Cloud Native & AI-Assisted Development
BIP Spain (BIP xTech) seeks a backend engineer with 3+ years of .NET/C# experience to design and build APIs, microservices and event-driven cloud-native integrations on Azure (Functions, AKS, Service Bus, Key Vault, SQL), using AI assistants like GitHub Copilot and Claude Code as a regular part of the development workflow.
Full Stack Developer Angular Java (She/He/They) Zaragoza, Madrid, Barcelona
Full Stack Developer at NTT DATA building and maintaining scalable web applications with Angular v16 on the frontend and Java on the backend in modern cloud-native environments. Requires 5+ years' experience, agile team collaboration, and familiarity with generative AI tools; hybrid role with 2 days/week in the Barcelona office.
Senior Java Developer + Kafka
NTT DATA, a large IT consulting firm, seeks a Senior Java Developer in Madrid to build and maintain Java Spring Boot applications with Apache Kafka event streaming, RESTful APIs, and relational databases, joining a multidisciplinary team in a hybrid work setup.
Cloud Developer (Python) — Google Cloud Platform
BIP Spain (consulting) seeks a senior Python backend developer to design, build, and run cloud-native APIs and services on Google Cloud (Cloud Run, Cloud Functions, Pub/Sub, Cloud SQL), integrate them with client systems (REST/SOAP), and embed generative AI capabilities. Hybrid role in Madrid within the Data & AI practice.
Full stack Developer ( Python/React)
Full stack engineer (2–4 yrs) joining the Vulnerability team of a large German group's Barcelona tech hub, building the global platform that centralizes and processes the organization's vulnerability data. Day to day: end-to-end features in Python/FastAPI and React, integrating Splunk, ServiceNow and Salesforce, handling millions of daily records.
Senior Dynamics 365 & Power Platform Engineer
Senior engineer who designs and builds scalable Dynamics 365 and Power Platform solutions, leads integrations with enterprise systems and Azure services, drives upgrades and migrations, and mentors other engineers. Core stack: Dynamics 365, Power Platform/Dataverse, Azure Functions/Service Bus, C#, .NET, JS/TS, SQL. B2B hourly pay, 100% remote (Kraków office optional).
Senior Full-Stack Developer (Contact Center) - Contrato a termino fijo
Senior full-stack developer on a 90-day fixed-term contract, on-site in Cali, to build and maintain WeKall's Engage 360 cloud contact center: shipping features with the dev squad, closing maintenance tickets, and assessing AWS infrastructure costs and performance. Stack spans Node.js/Java, React/Angular, PostgreSQL/DynamoDB, and Asterisk/SIP telephony with AI voice integrations.
Full Stack Engineer, WOMO Platform Hybrid · Pasay, Philippines
Full-stack engineer building WOMO, Digirockstars' affiliate/creator-marketing platform, hybrid in Pasay, Philippines. Owns features end to end — tracking/attribution, livestream automation, data pipelines — using TypeScript, Next.js, tRPC, Drizzle, and PostgreSQL, with equity offered.
Full Stack Engineer
Full Stack Engineer building and scaling an AI-powered enterprise platform end to end: TypeScript/React frontends, Python (FastAPI/Django) services, PostgreSQL, and AWS. Hybrid role based in King's Cross, London (3 days a week), paying £60,000–£80,000.
Ingénieur SysOps/DevOps (H/F)
SysOps/DevOps engineer at Thales Services Numériques who deploys and administers physical, virtual (VMware/Proxmox) and hybrid-cloud servers for critical information systems: monitoring (Zabbix, Prometheus, Grafana), security policies, automation (Ansible, Terraform), backup/DR and user support, working at client sites in southern Île-de-France.
Développeur Full Stack Java / Spring Boot / Vue.js – Innovation & IA (H/F) (IT) / Freelance
Freelance full-stack developer in Lille building an innovative application configurator: Java/Spring Boot back end, Vue.js front end, secure REST APIs, and PostgreSQL/Redis, deployed on GCP with Kubernetes, Docker and CI/CD. The role also explores AI integration and builds technical prototypes (POC).