web3 fullstack engineer

Equitable Earth is seeking a Senior Fullstack Engineer to build and evolve web and mobile apps, collaborating with the Tech Lead and Product team. You will own features end-to-end, mentor peers, and push for high engineering quality, including AI-driven workflows. The role is fully remote with significant overlap with French business hours, offering a...

Alan is building the AI-native company with a global reach. As a Software Engineer on this team, you will craft the internal platform used daily to navigate the organization, and design agents that automate onboarding, knowledge retrieval, and performance alignment. You will push LLMs into production and define abstractions that scale across all Alan...

Senior Software Engineer - IKEA for Business, Group Digital Join to apply for the Senior Software Engineer - IKEA for Business, Group Digital role at IKEA . WHY YOU SHOULD JOIN IKEA Hej, we are David, Álvaro and Germán. We lead the team as Engineering Managers at IKEA for Business and we want you to join us! We care deeply about solving...

SEIDOR busca un/a desarrollador/a Full Stack con 2–3 años de experiencia para trabajar en proyectos de aplicaciones web, abarcando frontend y backend. Se valorará capacidad para contextos internacionales y trabajo en entornos ágiles, con énfasis en HTML5, CSS3, JavaScript, React y Node.js. Trabajarás en un equipo distribuido, con metodología...

Talan Spain is seeking a Fullstack Developer for a 4-month contract to deliver a React-based mobile project with a strong focus on performance, offline capability, and efficient data synchronization. You will design, implement, and deploy a mobile-first PWA using React and TypeScript, build APIs with Python/FastAPI or Node.Js, and work with PostgreSQL...

Tether is hiring a Fullstack Engineer to help QVAC application teams build, review, test, and deliver robust software. You’ll focus on desktop and mobile apps, AI harness, and skills packages, while creating developer tools and integrating AI agents into engineering workflows. You will own parts of the tooling roadmap, work with engineers to implement...

SEIDOR está buscando un Desarrollador Full Stack con inglés alto para unirse al equipo de Customer Experience. Trabajarás en proyectos de transformación digital para clientes nacionales e internacionales, participando en todo el ciclo de desarrollo y promoviendo soluciones que mejoren la experiencia de usuario y el valor de negocio. Formarás parte de...

Affinist, a remote-first company operating across Europe, seeks a Senior Full-Stack Software Engineer for the Repayments UX team. You will own quarterly goals, guide engineers, and drive scalable features across web and mobile platforms. The role requires 4+ years of experience with React Native and web frameworks, plus backend skills in Python or Kotlin. We...

SEIDOR está buscando un Desarrollador Full Stack con inglés alto para unirse al equipo de Customer Experience. Trabajarás en proyectos de transformación digital para clientes nacionales e internacionales, participando en todo el ciclo de desarrollo y promoviendo soluciones que mejoren la experiencia de usuario y el valor de negocio.Formarás parte de un...

Alan is hiring a Software Engineer to join a team building the AI-powered internal platform used daily by every Alaner to navigate the company, find context, and take action.You will design and ship intelligent agents that automate onboarding, knowledge retrieval, performance alignment, and decision support, pushing LLMs into production and integrating...

Our partner is looking for a Senior Software Engineer – C# / . NET based in Spain.Join a globally distributed software organization developing innovative solutions that help consumer brands optimize operations, recover revenue, and grow across major retail marketplaces. As a Senior Software Engineer, you will take end-to-end ownership of product...

Appfire is hiring a software engineer to build and improve Jira-related products with a focus on JMWE/JMCF, collaborating across a cross-functional team. You’ll influence product direction, design scalable cloud apps, and mentor teammates in a transparent environment. The role emphasizes performance, UX improvements, and exploring AI capabilities, with a...

Capitole is hiring a Fullstack Engineer (Frontend-Oriented) with 4+ years of experience to drive frontend components and Backstage integrations within the joint team. You will contribute to the portal's technical advancement and collaborate across ARTs and organizational units. The role emphasizes React development, REST APIs, and enterprise IT experience,...

SEIDOR está buscando un Desarrollador Full Stack con inglés alto para unirse al equipo de Customer Experience.Trabajarás en proyectos de transformación digital para clientes nacionales e internacionales, participando en todo el ciclo de desarrollo y promoviendo soluciones que mejoren la experiencia de usuario y el valor de negocio.Formarás parte de un...

Alan, the health prevention platform, is hiring in Spain.You would join the Engineering team building AI agents that answer 1M+ members' questions about reimbursements, coverage and claims — instantly and without a human.We move fast with ownership, ship production AI, and use a stack of React, Python/Flask, PostgreSQL.Remote-friendly, in-person...

Alan, the health prevention platform, is hiring in Spain.You would join the Engineering team building AI agents that answer 1M+ members' questions about reimbursements, coverage and claims — instantly and without a human.We move fast with ownership, ship production AI, and use a stack of React, Python/Flask, PostgreSQL.Remote-friendly, in-person...

Equitable Earth is seeking a Senior Fullstack Engineer to build and evolve web and mobile apps, collaborating with the Tech Lead and Product team.You will own features end-to-end, mentor peers, and push for high engineering quality, including AI-driven workflows.The role is fully remote with significant overlap with French business hours, offering a...

About ABCDx ABCDx is a Swiss-Spanish MedTech company developing innovative blood-based point-of-care diagnostic solutions combining biomarkers, lateral-flow technologies, smartphone image analysis and clinical algorithms. Our focus is on acute neurological and cardiovascular conditions, with clinical development activities across Europe. About ABCDx ABCDx is...

Build the Security Infrastructure Powering Global Investing Have you built and operated scalable backend services while delivering modern frontend applications? Do you enjoy solving engineering challenges around security, authentication, high availability and distributed systems? Have you worked on systems serving millions of users, handling thousands of...

Full Stack Engineer - Knowledge Base Team Country: IT STARTS HERE Santander ( ) is evolving from a global, high-impact brand into a technology-driven organization, and our people are at the heart of this journey. Together, we are driving a customer-centric transformation that values bold thinking, innovation, and the courage to challenge what's possible....