Full-stack Engineer

• Desarrollo y mantenimiento de funcionalidades frontend y backend
• Garantizar calidad, rendimiento, escalabilidad y mantenibilidad
• Participación activa en todo el ciclo de vida del software
• Colaboración en tareas de despliegue, integración continua y entrega continua (CI/CD)

Senior FullStack Developer – Barcelona

• Prestación de un servicio técnico especializado para la evolución funcional y técnica de una solución core de soporte a ventas
• Desarrollo y mantenimiento de funcionalidades frontend y backend, garantizando calidad, rendimiento, escalabilidad y mantenibilidad
• El desarrollador creará y optimizará funcionalidades de producto escalables y de alta calidad
• Contribuye al diseño técnico, la implementación y la mejora continua dentro de un equipo de producto ágil

Senior FullStack Developer, T&M Servicio técnico

• Develop and maintain applications for Wi-Fi network design and optimization
• Collaborate with cross-functional teams to deliver high-quality features
• Participate in technical planning and architectural direction
• Mentor junior team members on best practices and architectural principles
• Debug and resolve technical issues for applications

Software Engineer II

• Diseñar, desarrollar y evolucionar soluciones digitales end-to-end, participando activamente en frontend, backend, arquitectura y bases de datos, garantizando la calidad técnica y la escalabilidad de las soluciones.
• Desarrollar funcionalidades end-to-end en frontend, backend y bases de datos.
• Diseñar nuevas interfaces orientadas a la experiencia de usuario.
• Crear nuevas evoluciones, módulos y productos digitales.
• Participar en decisiones técnicas relacionadas con el desarrollo y la arquitectura.
• Resolver incidencias técnicas de forma autónoma.
• Programar utilizando herramientas y capacidades vinculadas a inteligencia artificial.
• Colaborar en la definición y validación de requisitos funcionales.
• Revisar y cuestionar especificaciones para garantizar calidad y claridad.
• Adaptarse a cambios de prioridades y necesidades de negocio.
• Buscar soluciones técnicas innovadoras para resolver problemas complejos.

Desarrollador Full Stack

• Design, develop and implement technical solutions in two or more technical areas
• Lead smaller projects and may coordinate with other engineers
• Create technical proposals based on requirements
• Design, modify and implement systems that meet customer and Celestica needs
• Testing, simulation and measuring performance of systems
• Liaison with suppliers, customers, contractors, and other internal teams

Lead Engineer, Electrical Design

• Dar soporte técnico transversal al área backend, actuando como referente arquitectónico y de desarrollo para los distintos equipos.
• Asesorar técnicamente a los diferentes equipos del área, aportando visión arquitectónica y buenas prácticas.
• Colaborar activamente en equipos existentes, integrándose de forma ágil para dar apoyo puntual en momentos de alta carga (entregas concretas, picos trimestrales, etc.).
• Participar en el arranque de nuevos proyectos, definiendo la arquitectura técnica y decisiones clave.
• Impulsar iniciativas de innovación, pruebas de concepto y validaciones técnicas, antes de su productivización definitiva.
• Rol altamente dinámico, orientado a perfiles técnicos muy sólidos, con interés por el desarrollo y capacidad de adaptación a distintos contextos y retos.

Software Architect

• Support the preparation of a new release of the JChat Java Client
• Support the preparation of a new release of the JChat Web Client
• Support the preparation of a new release of the JChat Openfire Server
• Support the preparation of a new release of the M-Link server for JChat
• Represent the JChat team in test events
• Maintain the development pipeline
• Participate in Scrum meetings. Estimated per developer at 2.5 hours of standup per two-week development activity, four hours of refinement per two-week development activity, four hours of review per two-week development activity, a retrospective meeting and planning meeting per two-week development activity
• Under this work package the contractors of the supplier will support the development of a new version of the JChat Java client software following the Scrum methodology based on a backlog of tickets that is maintained in JIRA by the Purchaser.
• All activities for the preparation of the release, e.g. development, documenting, testing and reviewing, release building will be expressed as tickets with Story Points (SP) under this work package.
• Under this work package the contractors of the supplier will support the development of a new version of the JChat web client software following the Scrum methodology based on a backlog of tickets that is maintained in JIRA by the Purchaser.
• All activities for the preparation of the release, e.g. development, documenting, testing and reviewing, release building will be expressed as tickets with Story Points (SP) under this work package.
• Under this work package the contractors of the supplier will support the development of a new version of the JChat Openfire software following the Scrum methodology based on a backlog of tickets that is maintained in JIRA by the Purchaser.
• All activities for the preparation of the release, e.g. development, documenting, testing and reviewing, release building will be expressed as tickets with Story Points (SP) under this work package.
• Under this work package the contractors of the supplier will test and integrate a new version of the JChat M-Link server software following the Scrum methodology based on a backlog of tickets that is maintained in JIRA by the Purchaser.
• All activities for the preparation of the release, e.g. development, documenting, testing and reviewing, release building will be expressed as tickets with Story Points (SP) under this work package.
• Under this work package at least one of the contractors of the supplier will represent the JChat team during the CWIX IPC event and the INTEND event.
• Under this work package the contractors of the supplier will maintain and implement changes to the development pipeline (tool chain) for the JChat products following the Scrum methodology based on a backlog of tickets that is maintained in JIRA by the Purchaser.

Software Developer

• Designing and coding application programs; performing testing for developed applications.
• Reviewing, analyzing, and modifying programming systems, including encoding, testing, debugging and installing for a large-scale system
• Ensuring the operating efficiency of existing application systems.
• Maintaining records for the documentation of systems development and revisions.
• Conducting analyses of organizational needs and goals for the development and implementation of application systems
• Provide information on the detailed technical design and development of applications using existing and emerging technology platforms.
• Apply experience and seasoned knowledge, skills, and practices to perform a variety of assignments

Senior Software Developer

• Soporte operativo en la administración de sistemas Linux.

Técnico/a Linux Junior

• Build magical AI product experiences - Design and implement fast, intuitive, and engaging experiences that make AI feel natural and useful.
• Ship across the stack - Build and maintain backend services in Python and production-grade frontends in TypeScript and Next.js. Move fluidly between layers, owning features end to end.
• Architect scalable backend systems - Design and maintain backend services and APIs that power real-time AI interactions at scale.
• Move fast, ship often - Operate with high ownership and urgency. Prototype quickly, validate with users, and iterate based on real-world feedback.
• Collaborate across AI, product & growth - Work cross-functionally with AI engineers, product managers, designers, and growth teams to translate experimentation and insights into production-ready systems.
• Raise the technical bar - Write clean, maintainable, well-tested code. Contribute to architecture decisions, improve developer experience, and help establish best practices that enable the team to scale.
• Think in systems, not just tickets - Anticipate bottlenecks before they happen - whether in performance, UX, cost, or scalability. Proactively improve observability, reliability, and infrastructure as we scale.
• Mentor & lead by example - Provide thoughtful code reviews, support other engineers, and help shape a strong engineering culture centered around ownership, craftsmanship, and impact.

Senior Software Engineer – Fullstack

• Design and build products using real-time AI systems
• Handle tasks for calling patients and payors
• Leading projects from ideation to reality

Junior Product Engineer

• Develop and maintain features on our Next.js (App Router) frontend using TypeScript, SWR, Tailwind, and a component-driven design system, with full internationalization (i18n) support.
• Design, implement, and maintain RESTful APIs with NestJS (TypeScript) to manage authentication, data processing, billing, usage tracking, and orchestration of AI workflows.
• Own backend services end-to-end: from schema design and migrations to deployment and observability, and contribute to new services as the product surface grows.
• Integrate and maintain third-party SDKs and APIs that power critical product flows, including payment processing, authentication, analytics, and messaging.
• Build AI agents and tools using the Claude SDK and Model Context Protocol (MCP): giving LLMs real-time access to data, APIs, and tools so they can take meaningful actions on behalf of users.
• Contribute to schema design with Prisma and PostgreSQL, write and review migrations, and reason carefully about data models that evolve safely over time.
• Implement and maintain feature flags, A/B experiments, and analytics events so product decisions are driven by data.
• Handle incoming webhooks and asynchronous task processing with the rigor required for payment-critical and PII-handling code paths (idempotency, retries, fault tolerance).
• Collaborate with AI product managers and AI specialists to translate complex requirements into robust, scalable features — and push back on complexity when a simpler path exists.
• Collaborate on application deployment and help maintain our cloud infrastructure.

AI Full Stack Developer

• As part of the Development team as a Full-Stack Developer, you will be instrumental in building and scaling our platforms and products.
• You will work across our entire A.I technology stack to deliver a seamless and powerful user experience.
• You will be joining projects with a shipping fast approach and a modern tech stack.
• Design, implement, and maintain RESTful APIs with NextJS/Express to manage user authentication, data processing, and orchestrate analysis workflows.
• Model Context Protocol (MCP) Knowledge Agents with Claude SDK: to Build AI agents access to real-time data, APIs, and tools Create AI Agents that can actually take actions, Combine the reasoning power of LLMs with real-world integration.
• Build AI Agents with LangGraph + LangFuse that can handle multi-step reasoning, Create workflows where AI agents collaborate or hand off tasks to other agents. Maintain conversation state and context across interactions and Handle complex decision trees and conditional logic.
• Develop and maintain features on both our React frontend and Node.js (NextJS) backend.
• Build intuitive user interfaces using TypeScript, Vite, React and our UI component library, enabling users to upload media, manage their analyses, and interact with our web delivered product.
• Integrate our platform with various external services like Payment Service Providers and APIs, and handle incoming webhooks for processing asynchronous tasks.
• Collaborate closely with AI product managers and AI specialists to translate complex requirements into robust, scalable features expressed in AI design prompts.
• Contribute to database schema design and write migrations for our PostgreSQL & BigQuery databases.
• Knowledge of GCP to Collaborate with the team on application deployment and help maintain our cloud infrastructure on Google Cloud Platform.

Senior Full Stack Developer, AI

• Design and scale AI-powered healthcare platforms and distributed systems
• Build and optimize agent-based architectures and orchestration systems
• Develop secure healthcare data infrastructure and enterprise integrations
• Work on systems leveraging LLMs, AI agents, reinforcement learning, and modern AI technologies
• Improve system performance, reliability, scalability, and clinical accuracy
• Collaborate closely with founders and a highly technical engineering team
• Take ownership of technical decisions from architecture through deployment

Principal Software Engineer, Healthcare AI

• Participar en el diseño e implementación de servicios backend, APIs, pipelines de datos y sistemas preparados para IA, dentro de proyectos relacionados con tecnologías semánticas, infraestructura digital y plataformas interoperables.

Mid-Senior Software Engineer

• Apoyo al Líder del Equipo de Software de Simulación en el análisis de la carga de trabajo, control y seguimiento del cronograma de la Solución de Simulación
• Definición de la planificación, el proceso y la base documental en línea con los objetivos y los procesos de la empresa
• Definición de las arquitecturas de Simulación y Software junto con el equipo

Lead Engineer – Simulation, Embedded System

• Diseño y definición de arquitectura
• Preventa
• Marketing técnico
• Formación
• Contacto directo con el cliente
• Estimaciones
• Entrevistas técnicas
• Liderazgo de equipos y de la Comunidad Hub Power Platform

Líder Técnico M365

• Desarrollo de software en C para sistemas embebidos en tiempo real, cumpliendo estándares como MISRA-C.
• Programación a bajo nivel, por debajo del sistema operativo, trabajando directamente sobre microprocesadores y microcontroladores.
• Participación en tareas de integración de bajo nivel, incluyendo BSPs, bootloaders y drivers de periféricos.
• Trabajo sobre arquitecturas de hardware como ARM y PowerPC.
• Desarrollo e integración en entornos con RTOS (como VxWorks, PikeOS) y arquitecturas ARINC-653.
• Implementación y manejo de protocolos de comunicación (ARINC-429, MIL-STD-1553B, CAN, UART, SPI, I2C).
• Colaboración en el desarrollo de sistemas en entornos críticos con altos requisitos de calidad.
• Uso de Python para herramientas de soporte, testing o automatización.
• Participación en actividades alineadas con estándares de certificación como DO-178C.

Software Engineer, Embebido – Bajo Nivel

• At Prosper, we’re pushing the limits of what’s possible with real-time AI.
• We’re engineering systems that sound human, reason under strong latency constraints, and adapt instantly to messy, high-stakes healthcare conversations.
• As a Software Engineer, you’ll be at the center of designing and scaling our platform, the low-latency speech/LLM pipelines, orchestration layers, and reliability systems that make this possible.
• This is a full-time role in Barcelona office with the possibility to move to the New York office.

Junior Software Engineer

• Contribute to the development of avionics subsystems and software for company projects and products, both for in-space and launcher propulsion systems.
• Work with coding and implementing software onto various engine avionics modules, used to control the valves, actuators, and sensors of the engine, both for flight and for on-ground testing.
• Support the creation of software applications for real-time control and monitoring of the engines, and for simulation of the engine system to ensure proper operation.
• Independently solve any challenges, end-2-end, that might appear when creating the code and implementing it onto the hardware.
• Setup of coding environment, software architectural design, code creation, implementation, deployment, integration, verification, documentation, etc.
• Work together with the Avionics and Mechatronics team at the Systems Department.
• Interface with the avionics hardware suppliers to determine how to interface your code with their firmware.

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