founding engineer

"This is an immediate start role." About Uptail Uptail builds AI agents for B2C sales in the education sector. Our agents run on WhatsApp and voice, qualifying leads, scheduling calls and engaging prospects in real time, turning raw inbound volume into high-intent pipeline. We're running 100,000+ conversations per month for some of the biggest...

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.

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.

Harrington Starr is seeking a Senior AWS Infrastructure Engineer to own and optimise a latency-sensitive cloud platform for a fast-growing quantitative trading firm. This fully remote B2B contract role focuses on high-performance compute workloads and aggressive cost optimisation. The successful candidate will drive architecture decisions, reduce...

Harrington Starr is seeking a Senior AWS Infrastructure Engineer to own and optimise a latency-sensitive cloud platform for a fast-growing quantitative trading firm. This fully remote B2B contract role focuses on high-performance compute workloads and aggressive cost optimisation.The successful candidate will drive architecture decisions, reduce bottlenecks,...

Harrington Starr is seeking a Senior AWS Infrastructure Engineer to own and optimise a latency-sensitive cloud platform for a fast-growing quantitative trading firm. This fully remote B2B contract role focuses on high-performance compute workloads and aggressive cost optimisation. The successful candidate will drive architecture decisions, reduce...

About the company Our client does AI match analysis for youth football. Fixed cameras at the pitch record every session. The models detect the events (passes, shots, goals), track the players, and read jersey numbers off low-res footage. Academies and parents get match stats, highlights and a per-player record. This is running today at a pilot academy...

Jobgether is seeking a Founding Engineer in Europe to shape an early-stage AI infrastructure product, working directly with the founder. You will own architecture, backend, frontend, and AI agent systems, turning ambitious ideas into production-ready solutions for real businesses. Join a founder-led environment with autonomy, rapid execution, and a strong...

Ebury is building a new engineering hub in Valencia, and you would be one of its founding product engineers shaping how this team builds money software at pace.As a Senior Software Engineer, you will own client-facing platforms, drive architectural decisions, and weave AI-native tooling into the product while ensuring reliability and regulatory...

Jobgether is seeking a Founding Engineer in Europe to shape an early-stage AI infrastructure product, working directly with the founder. You will own architecture, backend, frontend, and AI agent systems, turning ambitious ideas into production-ready solutions for real businesses. Join a founder-led environment with autonomy, rapid execution, and a strong...

FORWARD DEPLOYED ENGINEER Nango (YC W23) lets developers build product integrations with AI. It gives agents and applications access to the APIs their users rely on. More than 700 paying customers use Nango today, including ServiceNow, Replit, Ramp. We are a YC-backed team of 14 from AWS, GitHub, Okta, Snyk, Netlify, Uber, Samsara, Workato, and other...

Factorial HR is building the leading AI Business Management Software for teams across HR, Finance, Talent, and IT. As the Senior AI Enablement Engineer, you will turn scattered AI experiments into shared building blocks—templates, agents, integrations, and safe defaults—so any team can ship in days instead of weeks. You will start as a team of one,...

Technical leader to build an enterprise AI interviewing platform, focusing on system design, AI, product development, and infrastructure. Offers competitive salary and equity.

Desde RightHand , compañía especializada en atracción del talento digital y contratación, estamos colaborando en la búsqueda de un Founding AI Engineer / Head of AI . Nuestro cliente está impulsando una nueva iniciativa centrada en la aplicación de Inteligencia Artificial dentro del ecosistema empresarial. El proyecto nace con una clara...

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...

Seeking a Founding Product and Platform Engineer to define architecture, tooling, and culture for new digital products. This role involves hands-on building of customer-facing experiences, cloud platforms, and production code, aiming to scale delivery.

Slng Ltd in Barcelona is looking for a Speech Model Performance Engineer to enhance the speed of speech models. Collaborating with the founding tech team, you'll work on initiatives like quantising neural models for efficiency and benchmarking ASR performance. Candidates should have expertise in ASR/TTS, experience with PyTorch/ONNX, and GPU profiling...

Colliers in Madrid seeks an experienced Senior DevOps Platform Engineer to join our Technology Hub. You will help shape the platform, tooling and practices in a hybrid work model, blending remote and onsite collaboration with global teams.You'll own Kubernetes platforms, CI/CD pipelines and IaC initiatives while advancing security, observability and...

Seeking an AI Platform Engineer to lead the development of an enterprise AI interviewing platform, focusing on technical architecture, compliance, and AI agent integration.

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...