62 backend developer English-speaking jobs in Castile and León

Senior Backend Developer Contract Role:Day Rate: €350-€380 per day8-12 month contract You’ll join a large ... , distributed backend engineering community and work within cross-functional teams alongside product ... high-quality solutions in a fast-paced environment.What You’ll DoDesign, develop, deploy, and maintain backend ... bookkeeping toolsCollaborative accounting and pre-accounting solutionsEach team typically includes 6–8 backend

We are looking for an expert to work as Backend Developer!What do you need to fulfill this job?

New Opportunity — Backend Software Engineer (Golang) At Capitole Consulting, we’re growing fast, and ... we want you to grow with us.We’re looking for a Backend Software Engineer with strong Golang experience ... Visa sponsorship available upon relocation to Spain.Must Have 3+ years of experience in backend development

Tasks / Main ActivitiesDevelop backend components using Spring Boot, ensuring scalable and resilient ... Position: Java Backend DeveloperLocation: Barcelona, Spain (40% onsite, 60% remote)Duration: PermanentDescriptionDaily ... accurately.Conduct code reviews, providing constructive technical feedback to team members.Demonstrate and explain backend

Take Your Career to the Next Level with Amaris Consulting as a Python Developer! ... We are looking for a skilled Python Developer to support the integration of advanced scientific models ... have a proven track record in building scalable, high-quality applications, with strong expertise in backend ... transformation or data integration projects.Strong proficiency with Python, FastAPI/Flask, and RESTful APIs for backend

product, real traction, and a modern tech stack, they are expanding their engineering team with a senior backend ... Core responsibilities include:Designing and building scalable backend systems (Python + Django REST Framework ... direction.Helping build the AI infrastructure from scratch.What We’re Looking ForTechnical Background5+ years of backend ... PostgreSQL, AWS, and security best practices.Comfortable with occasional frontend work (while remaining backend-focused

Senior FullStack Developer (Python/React)Location: Remote from Spain (Spanish employment contract)Our ... array of problems from developing a UI that is responsive to the user and fun to choosing the right backend ... scale.Requirements:5+ years of experience developing scalable applications using both frontend and backend ... recognition & rewards, documentation, training etc.We are looking for an experienced Senior Product Fullstack Developer

Open Assessment Technologies (OAT) is looking for a Full Stack Developer to help us deliver world-class ... , open-source learning and assessment solutions.You’ll work across frontend and backend, building robust ... platforms.Build and customize frontend experiences using JS (Svelte, ReactJS), CSS, HTML5.Implement backend

deploy and operate services at scale.This role sits at the intersection of SRE, Platform Engineering and Backend ... Engineering, with a strong focus on automation, reliability, and developer enablement.ResponsibilitiesDesign ... critical platform used by multiple teams and servicesHigh ownership and impact on platform reliability and developer

Developer to help us land this mission with every client, ensuring that our technology becomes a real ... have the right employee, in the right place, at the right time.We are growing and are looking for a Backend

Spanish based Team and contribute to the design and development of modern, reactive, and event-driven backend ... cross-functional teams.Location: 100% remote from SpainRESPONSIBILITIES:Design, develop, and maintain backend

You will develop professional web and backend applications, with agile software development, ensuring ... You are an expert developer with extensive experience in complex online stores. ... the largest German e-commerce companies and are looking for reinforcement in SpanienFrontend Software Developer

developer with solid knowledge of Java. ... between simplicity, aesthetics and technology in every project.At the moment we are looking for a senior backend

JAKALA is looking for a versatile Full Stack Developer to join our innovation hub. ... orchestration.Technical Requirements:Frontend: Expertise in React.js (Hooks, State Management, Styled Components).Backend ... platforms that leverage Generative AI to solve complex business challenges.We need a hybrid profile: a developer

At ASTEK Iberia, we are looking a for a Senior Java Developer (7+ years experience) to join a leading ... Main responsibilities:Design and develop high-performance Java-based backend solutions for post-trade

CeleryPostgreSQL with pgvector, RedisAWS, DockerLLMs: Claude, GeminiQualifications3+ years building backend

We’re looking for a Backend Software Engineer to join our tech team and help build the future of neuro-contextual ... impactful solutions.As a member of our engineering team, you will develop new projects mainly on the backend ... and processing 20 TB of data daily.What You’ll Need to SucceedYou bring 3-5 years of experience into backend

organizations across key industries.We are currently looking to hire a Senior Chatbot/Voice Enablement Developer ... /NLU orchestration, Vector DB´s and whisper/voice models and familiarity with WebRTC servicesStrong backend

collaborate closely with frontend engineers, product managers, and other stakeholders to build robust backend ... any related field is required, or equivalent practical experience.Minimum 8 years of experience in backend ... tests to maintain code reliability and ensure high- quality releases.Continuously monitor and optimize backend ... architecture, API development, database management, and frontend ensuring high availability and performance of backend ... scalable, high-performance systems.Technical Skills:Python expertise, with hands-on experience building backend

ensuring a hassle-free experience.Role DescriptionThis is a full-time remote role for a Mid-Senior Backend ... The Backend Engineer will be responsible for designing, developing, and maintaining robust back-end solutions ... grow into higher-seniority roles in a fast-moving, high-autonomy environment.What you'll doBuild backend ... React-based frontend interfaces when needed.What we're looking forTechnical capabilitiesSolid Python backend