Empleos de founding engineer en Barcelona

About Share Share is a venture-backed internet infrastructure network building Africa’s backbone. The company aggregates underutilized telecom infrastructure, fiber, subsea cables, and data centers, and provides ISPs with scalable access to bandwidth without traditional upfront costs. Through an open-access model, local internet providers can deliver...

We’re looking for a hands‑on technical leader to architect and build a robust, scalable enterprise AI interviewing platform for one of our clients, that balances speed, compliance, and customizability while remaining AI-agent-native from the start. Responsibilities Develop an enterprise AI interviewing platform that absorbs client-specific needs without...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Founding Engineer based in Spain. As a Founding Engineer, you will play a pivotal role in building and scaling an early-stage AI infrastructure product designed to transform how service businesses operate. Working directly with...

Quant Trading / Digital Assets | Fully Remote | B2B Contract I'm working with an early-stage quantitative trading firm looking for a Senior AWS Infrastructure Engineer to take ownership of its high-performance cloud infrastructure. This isn't a traditional DevOps position. They need someone who understands how to build and optimise AWS infrastructure for...

Joppy is seeking a hands-on technical leader to architect an enterprise AI interviewing platform in Barcelona. The role requires 3+ years of experience in technical leadership, focusing on client-specific needs while ensuring speed and compliance. The ideal candidate will have advanced expertise with AI agents and a strong understanding of production...

We’re looking for a hands‑on technical leader to architect and build a robust, scalable enterprise AI interviewing platform for one of our clients, that balances speed, compliance, and customizability while remaining AI-agent-native from the start. Responsibilities Develop an enterprise AI interviewing platform that absorbs client-specific needs without...

Manychat is a leading chat marketing platform, helping businesses engage with their customers on Instagram, Facebook Messenger, WhatsApp, and Telegram. Trusted by over 1 million brands in 170+ countries, we're an official Meta Business Partner, backed by Bessemer Venture Partners. Manychat is a leading chat marketing platform, helping businesses engage with...

https://www.loop-machines.com/careers/founding-engineer/ Location: Barcelona, Spain | Full-time | Hybrid/Remote About Loop Machines Loop Machines is an early-stage deep-tech startup based in Barcelona, building the engineering intelligence layer for mission-critical hardware. Today, engineering teams developing complex systems often work with fragmented...

Share is hiring a Founding Software Engineer to drive the platform's payments and billing systems. You will work closely with the CTO and a dedicated team, managing critical technical domains and shipping production systems handling real transactions. We seek candidates with 7+ years of software engineering experience, mastery of TypeScript and Node.js,...

Manychat is building a Python-based Billing layer to carry payments, invoicing, anti-fraud, and compliance logic at scale. You’ll be the first engineer, define patterns, and set standards while mentoring two new engineers. The role sits within a fast-moving, high-load backend team collaborating with Platform and Product. Expect ownership of API contracts,...

Solance is building a greenfield, cloud-native Banking Service in Dublin. You will join as a founding Staff Engineer reporting to the CTO and lead the design and development of a full-suite platform, leveraging a modern Java-based stack. You will shape architecture, own critical decisions, mentor engineers, and ensure security, compliance, and scalable...

¿Te interesaría liderar la arquitectura y la infraestructura crítica de backend en un entorno de alto volumen? Desde Oxigent Technologies seleccionamos un/a Senior Python Engineer para sumarse al equipo de Code Foundations en Barcelona . El equipo de Code Foundations es el núcleo del ecosistema de backend: desarrollan y mantienen la...

Jobgether SRL is seeking a Founding Forward Deployed Engineer in Spain to blend hands-on full‑stack engineering with direct customer engagement. You will guide implementations, connect with customers from evaluation to production, and influence product direction in a small, remote‑first engineering team. Role emphasizes translating customer needs into...

About Happy Robot Happy Robot is the infrastructure for enterprises to build and orchestrate AI workforces. Our AI workers don't just communicate — they make decisions, take action, and run operations autonomously across voice, email, and enterprise systems. Born in Y Combinator (S23) and backed by a16z and Base10 with over $60 M raised, we power critical...

OneSpan Inc. is seeking an engineer focused on agentic AI to automate repetitive manual tasks within our R&D teams in Barcelona. This is a founding role where you will embed with engineers, identify bottlenecks, and build end-to-end automations that free time for higher-value work. You will start by shadowing R&D workflows, prioritizing opportunities with...

Fullstack Engineer needed in Barcelona for a clean tech startup to design and build scalable software for renewable energy projects.

Archteam is seeking a founding engineer to join the CTO and CEO, owning large parts of the backend, our agent infrastructure, and the data layer. You will ship to customers from day one and help define the architecture and product direction.You will work on Postgres-backed services, autonomous agent systems, and data pipelines that feed signals and customer...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Forward Deployed Engineer (Founding) based in Spain. Join an innovative, fast-growing technology startup building infrastructure that enables developers to create powerful integrations between applications and AI agents. As a...

Desarrollarás y mantendrás la infraestructura crítica de backend, microservicios y librerías transversales de Python, participando en migraciones tecnológicas y optimizando despliegues en AWS y Kubernetes.

Lead full-stack engineer for a startup building an AI-powered platform to connect talent with opportunities. Responsibilities include architecture, best practices, and feature development.